CN220485383U - Integral type part backward flow pressurization dissolves air supporting experimental apparatus - Google Patents
Integral type part backward flow pressurization dissolves air supporting experimental apparatus Download PDFInfo
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- CN220485383U CN220485383U CN202320656841.2U CN202320656841U CN220485383U CN 220485383 U CN220485383 U CN 220485383U CN 202320656841 U CN202320656841 U CN 202320656841U CN 220485383 U CN220485383 U CN 220485383U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 255
- 239000010865 sewage Substances 0.000 claims abstract description 81
- 239000002893 slag Substances 0.000 claims abstract description 45
- 238000000926 separation method Methods 0.000 claims abstract description 41
- 238000012360 testing method Methods 0.000 claims abstract description 37
- 238000010992 reflux Methods 0.000 claims abstract description 26
- 238000005188 flotation Methods 0.000 claims abstract description 24
- 238000002474 experimental method Methods 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims abstract description 8
- 238000007790 scraping Methods 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000009300 dissolved air flotation Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 abstract description 3
- 238000011160 research Methods 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 9
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000007667 floating Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000010354 integration Effects 0.000 description 3
- 238000006124 Pilkington process Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
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- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model relates to an integrated partial reflux pressurized dissolved air floatation experiment device which comprises an air floatation separation system, a reflux water pressure dissolved air floatation system, a test bed, a power control box, a sewage box and a clean water box, wherein the air floatation separation system is arranged on the test bed; the air flotation separation system is fixed on the left side of the upper end platform of the test bed and is provided with a slag scraper, a water inlet pipe, a water outlet pipe, a blow-down pipe and a slag discharge pipe; the power control box is fixed on the right side of the upper end platform of the test bed and is used for controlling the start and stop of the water pump, the air compressor and the slag scraper; the sewage tank and the clean water tank are fixed on the supporting leg at the lower end of the test bed, and the middle of the sewage tank and the clean water tank are separated by a partition plate; the backflow water pressure air dissolving system is fixed on the right side of the lower end of the test bed, is connected with a water inlet pipe and an air pipe, and is connected with the air floatation separation system through an air dissolving water outlet pipe. The utility model has the advantages of simple structure, high intensification degree, convenient operation control and high practicability, and is suitable for wastewater pretreatment of teaching and scientific research experiments.
Description
Technical Field
The utility model relates to a wastewater treatment experimental device, in particular to an integrated partial reflux pressurized dissolved air floatation experimental device.
Background
Air flotation is an efficient solid-liquid and liquid-liquid separation process commonly used for the separation of fine particles having a particle density close to or less than that of water. The air-float process technology is that tiny bubbles are formed in water, so that the tiny bubbles are adsorbed with suspended particles in the water to form a water-air-particle three-phase mixed system, after the bubbles are adhered on the particles, floating flocs with apparent density smaller than that of the water are formed, the flocs float to the water surface, and a floating slag layer is scraped off, so that solid-liquid separation is realized. In wastewater treatment engineering, the air-float process technology has been widely used for oil-water separation of oily wastewater in petroleum, chemical and mechanical industries, recovery of pulp fibers and fillers in papermaking wastewater, pretreatment of industrial wastewater containing suspended solids with a relative density close to 1, and the like.
Among the various air-bearing technologies, the pressurized dissolved air flotation method is a currently used air-bearing treatment method in which air is dissolved in water under pressurized conditions, and then supersaturated dissolved air is released as fine bubbles by releasing the pressure to normal pressure. The pressurized dissolved air flotation method can be divided into a full pressurized dissolved air flow path, a partial pressurized dissolved air flow path and a partial reflux pressurized dissolved air flow path according to different sources of pressurized dissolved air water, wherein the pressurized dissolved air water of the partial reflux pressurized dissolved air flow path is clear water subjected to air flotation treatment, is favorable for dissolved air and decompression release processes, and is the most commonly used air flotation treatment flow path at present. The existing partial reflux pressurized dissolved air floatation experimental device is not complete in structure, complete in set and low in integration degree, the experimental effect is affected, and the operation of a user is inconvenient. Therefore, the development of the integrated partial reflux pressurized dissolved air floatation experimental device has important significance for small teaching and scientific research experimental operation.
Disclosure of Invention
In order to solve the problems of imperfect structure, complete set and low integration degree of experimental device equipment in the background technology, the utility model provides an integrated partial reflux pressurized dissolved air floatation experimental device.
The technical scheme adopted for solving the technical problems is as follows:
the integrated partial reflux pressurized dissolved air floatation experiment device comprises an air floatation separation system, a reflux water pressure dissolved air floatation system, a test bed, a power control box, a sewage box and a clean water box; the air flotation separation system is fixed on the left side of the upper end platform of the test bed; the power control box is fixed on the right side of the upper end platform of the test bed and is used for controlling the start and stop of the sewage suction pump, the backflow water booster pump, the air compressor and the slag scraping machine; the sewage tank and the clean water tank are fixed on the supporting leg at the lower end of the test bed, and the middle of the sewage tank and the clean water tank are separated by a partition plate; the backflow water pressure air dissolving system is fixed on the right side of the lower end of the test bed and is connected with the air floatation separation system through an air dissolving water outlet pipe.
The air flotation separation system is fixed on the left side of a platform at the upper end of the test bed and comprises a sewage suction pump, a sewage water inlet pipe valve, a sewage water inlet flowmeter, a slag scraping machine, a slag collecting tank, a slag discharging pipe, a semi-blow-down valve, a perforated water collecting pipe, a water outlet liquid level controller, a water outlet water collecting tank, a water outlet pipe, a water outlet valve, an air flotation tank contact chamber, an air flotation tank separation chamber, a blow-down valve and a blow-down pipe; the sewage suction pump is connected with a sewage inlet pipe valve, a sewage inlet flow meter and a sewage inlet pipe, and the sewage inlet pipe is connected to the middle position of the left side of the air floatation tank separation chamber and is used for system sewage inlet; the slag collecting groove is connected with a slag discharging pipe, and the slag discharging pipe is connected to the upper left side of the separation chamber of the air floatation tank and is used for collecting slag and discharging slag of the system; the perforated water collecting pipe is positioned in the middle position inside the air floatation tank, is connected to the water outlet water collecting tank from the right side of the air floatation tank, and controls the water outlet liquid level through the water outlet liquid level controller, so that clear water in the air floatation tank is discharged to the water collecting tank; the water outlet collecting tank is positioned at the top end position outside the right side of the air floatation tank and is connected with the water outlet pipe and the water outlet valve, and the water outlet pipe is connected to the clean water tank and is used for discharging water from the system.
The preferable technical scheme is that the backflow water pressure dissolved air system is fixed on the right side of the lower end of the test bed and comprises a backflow water pressurizing pump, a backflow water inlet pipe, a backflow water inlet valve, a backflow water inlet flowmeter, a pressure dissolved air tank, a pressure gauge, a pressure relief pipe, a pressure relief valve, an air compressor, an air pipe, a dissolved air water drainage valve, a dissolved air water outlet pipe, a dissolved air water outlet valve, a dissolved air water outlet flowmeter and a dissolved air releaser; the backflow water pressurizing pump is connected with a backflow water inlet pipe, a backflow water inlet valve and a backflow water inlet flowmeter, and the backflow water inlet pipe is connected with the top of the pressure dissolved air tank and is used for backflow water to enter the pressure dissolved air tank; the upper right side of the pressure dissolved air tank is connected with a pressure gauge for monitoring the pressure in the pressure dissolved air tank; the upper left side of the pressure dissolved air tank is connected with a pressure relief pipe and a pressure relief valve for pressure relief of the pressure dissolved air tank; the air compressor is connected to the lower left side of the pressure dissolved air tank through an air pipe and is used for pressurizing the pressure dissolved air tank so as to dissolve air in water; the bottom of the pressure dissolved air tank is connected with a dissolved air water drainage valve and a dissolved air water outlet pipe, the dissolved air water outlet pipe is connected with the dissolved air water outlet valve, a dissolved air water outlet flow meter and a dissolved air releaser, and the dissolved air water outlet pipe and the dissolved air releaser are introduced into a contact chamber of the air flotation separation system for pressure and pressure reduction of the dissolved air water, so that gas in the dissolved air water is released in the form of micro bubbles and is adhered to suspended particles in the water.
The power control box is fixed on the right side of a platform at the upper end of the test bed and is provided with a power supply main switch, a sewage water pump power supply, a backflow water pressurizing pump power supply, an air compressor power supply, a slag scraping machine power supply and a slag scraping machine speed regulator; the power control box is connected with the sewage suction pump, the backflow water booster pump, the air compressor and the slag scraping machine through a control circuit, and is controlled to start and stop.
As an optimal technical scheme, the sewage tank and the clean water tank are fixed on the supporting leg at the lower end of the test bed, and the middle of the sewage tank and the clean water tank are separated by a partition board; the lower part of the left side of the sewage tank is connected with a sewage suction pump, and the lower part of the right side of the clean water tank is connected with a backflow water pressurizing pump; the semi-blow-down pipe and blow-down pipe sewage are both connected to a sewage tank, and clear water of a water outlet pipe of the air flotation separation system is connected to a clear water tank.
As the preferable technical scheme, the test bed is made of stainless steel plates, has good corrosion resistance and is convenient to clean; the air floatation tank, the sewage tank and the clean water tank of the air floatation separation system are made of organic glass plates, so that the cleaning is convenient; the pressure dissolved air tank of the backflow water pressure dissolved air system is made of stainless steel, and has good corrosion resistance and compression resistance.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects: an integrated partial reflux pressurized dissolved air flotation experimental device lifts sewage to an air flotation tank of an air flotation separation system through a sewage suction pump, lifts treated clean water to a pressure dissolved air tank of a reflux water pressure dissolved air system through a reflux water pressurizing pump, sends air to the pressure dissolved air tank through an air compressor at a certain pressure, enables the air to be dissolved in the clean water, sends dissolved air to an air flotation tank contact chamber of the air flotation separation system through a dissolved air water outlet pipe, decompresses the pressure dissolved air through a dissolved air releaser, releases gas in the dissolved air in the form of micro bubbles, adheres to suspended particles in the water to float to the water surface, forms a floating slag layer to be scraped, and controls the start and stop of the sewage suction pump, the reflux water pressurizing pump, the air compressor and a slag scraping machine through a control circuit of a power control box; the utility model has simple structural design, high integration degree, convenient movement and high practicability.
Drawings
The utility model will be described in further detail with reference to the accompanying drawings and detailed description:
FIG. 1 is a schematic view of the structure of the device of the present utility model.
The specific identification in the figure is as follows:
1. the test stand, 2, the power control box, 3, the sewage tank, 4, the clear water tank, 5, the sewage water pump, 6, the sewage water inlet valve, 7, the sewage water flow meter, 8, the sewage water inlet pipe, 9, the slag scraping machine, 10, the backwash water pressurization pump, 11, the backwash water inlet valve, 12, the backwash water inlet pipe, 13, the pressure tank, 14, the pressure gauge, 15, the pressure relief pipe, 16, the pressure relief valve, 17, the air pipe, 18, the air compressor, 19, the dissolved air water outlet pipe, 20, the dissolved air water outlet pipe, 21, the dissolved air water outlet valve, 22, the dissolved air water outlet flow meter, 23, the dissolved air releaser, 24, the slag collecting tank, 25, the slag discharging pipe, 26, the semi-discharging pipe, 27, 28, the perforated water collecting pipe, 29, the water outlet liquid level controller, 30, the water outlet valve, 31, the water outlet pipe, 32, the water outlet tank, 33, the air discharging valve, 34, the air floating tank contact chamber, 35, the pressure tank separation chamber, 36, the backwash water inlet valve, 37, the speed regulation water pump, 38, the slag scraping machine, 39, the water pump, 40, the power source, the slag scraping pump, 42, the power supply, the partition plate, and the power supply.
Detailed Description
The utility model is further described in connection with the following embodiments:
example 1
As shown in FIG. 1, the integrated partial reflux pressurized dissolved air floatation experiment device comprises an air floatation separation system, a reflux water pressure dissolved air floatation system, a test stand 1, a power control box 2, a sewage box 3 and a clean water box 4; the air flotation separation system is fixed on the left side of the upper end platform of the test bed 1; the power control box 2 is fixed on the right side of the upper end platform of the test bed 1 and is used for controlling the start and stop of the sewage suction pump 5, the backflow water booster pump 10, the air compressor 18 and the slag scraping machine 9; the sewage tank 3 and the clean water tank 4 are fixed on the supporting leg at the lower end of the test bed, and the middle of the sewage tank 3 and the clean water tank 4 is separated by a partition 44; the backflow water pressure air dissolving system is fixed on the right side of the lower end of the test bed 1 and is connected with the air floatation separation system through an air dissolving water outlet pipe 20.
Further, the air flotation separation system is fixed at the left side of the upper end platform of the test bed 1 and comprises a sewage suction pump 5, a sewage water inlet pipe 8, a sewage water inlet pipe valve 6, a sewage water inlet flowmeter 7, a slag scraping machine 9, a slag collecting tank 24, a slag discharging pipe 25, a semi-blow-down pipe 26, a semi-blow-down valve 27, a perforated water collecting pipe 28, a water outlet liquid level controller 29, a water outlet water collecting tank 32, a water outlet pipe 31, a water outlet valve 30, an air flotation tank contact chamber 34, an air flotation tank separation chamber 35, a blow-down valve 33 and a blow-down pipe 43; the sewage suction pump 5 is connected with a sewage inlet pipe valve 6, a sewage inlet flow meter 7 and a sewage inlet pipe 8, and the sewage inlet pipe 8 is connected to the middle position of the left side of the air floatation tank separation chamber 35 and is used for system sewage inlet; the slag collecting groove 24 is connected with a slag discharging pipe 25, and the slag discharging pipe 25 is connected to the upper part of the left side of the air floatation tank separation chamber 35 and is used for collecting slag and discharging slag in the system; the perforated water collecting pipe 28 is positioned at the middle position in the air floatation tank, is connected to the water outlet water collecting tank 32 from the right side of the air floatation tank, and controls the water outlet liquid level through the water outlet liquid level controller 29, so that clear water in the air floatation tank is discharged to the water collecting tank; the water outlet and collecting tank 32 is positioned at the top end of the right outer part of the air floatation tank, and is connected with the water outlet pipe 31 and the water outlet valve 30, and the water outlet pipe 31 is connected to the clean water tank 4 for system water outlet.
Further, the backflow water pressure dissolved air system is fixed on the right side of the lower end of the test bed 1 and comprises a backflow water booster pump 10, a backflow water inlet pipe 12, a backflow water inlet valve 11, a backflow water inlet flowmeter 36, a pressure dissolved air tank 13, a pressure gauge 14, a pressure relief pipe 15, a pressure relief valve 16, an air compressor 18, an air pipe 17, a dissolved air water drainage valve 19, a dissolved air water outlet pipe 20, a dissolved air water outlet valve 21, a dissolved air water outlet flowmeter 22 and a dissolved air releaser 23; the backflow water pressurizing pump 10 is connected with a backflow water inlet pipe 12, a backflow water inlet valve 11 and a backflow water inlet flowmeter 36, and the backflow water inlet pipe 12 is connected with the top of the pressure dissolved air tank 13 and is used for backflow water to enter the pressure dissolved air tank 13; the upper right side of the pressure dissolved air tank 13 is connected with a pressure gauge 14 for monitoring the pressure in the pressure dissolved air tank 13; the upper left side of the pressure dissolved air tank 13 is connected with a pressure relief pipe 15 and a pressure relief valve 16 for pressure relief of the pressure dissolved air tank 13; the air compressor 18 is connected to the lower left side of the pressure dissolved air tank 13 through an air pipe 17 and is used for pressurizing the pressure dissolved air tank 13 so as to dissolve air in water; the bottom of the pressure dissolved air tank 13 is connected with a dissolved air water drainage valve 19 and a dissolved air water outlet pipe 20, the dissolved air water outlet pipe 20 is connected with a dissolved air water outlet valve 21, a dissolved air water outlet flowmeter 22 and a dissolved air releaser 23, the dissolved air water outlet pipe 20 and the dissolved air releaser 23 are introduced into an air floatation tank contact chamber 34 of the air floatation separation system for pressure and pressure reduction of the dissolved air water, so that gas in the dissolved air water is released in the form of micro bubbles and is adhered to suspended particles in the water.
Further, the power control box 2 is fixed on the right side of the upper end platform of the test bed 1, and is provided with a power supply main switch 37, a sewage water pump power supply 39, a backflow water booster pump power supply 40, an air compressor power supply 41, a slag scraper power supply 42 and a slag scraper speed regulator 38, and the power control box 2 is connected with the sewage water pump 5, the backflow water booster pump 10, the air compressor 18 and the slag scraper 9 through control circuits to control the start and stop of the power control box.
Further, the sewage tank 3 and the clean water tank 4 are fixed on the supporting leg at the lower end of the test bed, and the middle of the sewage tank 3 and the clean water tank 4 is separated by a partition 44; the lower part of the left side of the sewage tank 3 is connected with a sewage suction pump 5, and the lower part of the right side of the clean water tank 4 is connected with a backflow water pressurizing pump 10; the semi-blow-down pipe 26 and the blow-down pipe 43 are connected with the sewage tank 3, and the water outlet pipe 31 of the air flotation separation system is connected with the clean water tank 4.
Furthermore, the test bed 1 is made of stainless steel plates, has good corrosion resistance and is convenient to clean; the air floatation tank, the sewage tank 3 and the clean water tank 4 of the air floatation separation system are made of organic glass plates, so that the cleaning is convenient; the pressure dissolved air tank 13 of the backflow water pressure dissolved air system is made of stainless steel, and has good corrosion resistance and compression resistance.
When the device works, the sewage suction pump 5 is opened through the sewage suction pump power supply 39 on the power control box 2, the sewage inlet pipe valve 6 is opened, and sewage in the sewage box 3 is pumped into the air floatation tank separation chamber 35 through the sewage inlet pipe 8; the power supply 40 of the reflux water pressurizing pump on the power control box 2 is used for opening the reflux water pressurizing pump 10, the reflux water inlet valve 11 is opened, clean water in the clean water tank 4 is pumped into the pressure dissolved air tank 13 through the reflux water inlet pipe 12, the air compressor 18 is simultaneously opened, air is sent into the pressure dissolved air tank 13 through the air pipe 17 to form pressure dissolved air water, and the water inlet speed and the pressure in the pressure dissolved air tank 13 are controlled by adjusting the reflux water inlet flowmeter 36; the dissolved air water outlet valve 21 is opened, the dissolved air water outlet flowmeter 22 is regulated to enable pressurized dissolved air water to enter the air floatation tank contact chamber 34 through the dissolved air water outlet pipe 20 at a certain flow rate, the pressurized dissolved air water is depressurized through the action of the dissolved air releaser 23, so that air in the dissolved air water is released in the form of micro bubbles, the micro bubbles are fully contacted and adhered with suspended particles in water in the air floatation tank contact chamber 34 and float up to a liquid level to form a scum layer, the scum scraping machine 9 is opened to scrape scum to the slag collecting tank 24, scum is discharged through the slag discharging pipe 25, lower clear water enters the water outlet collecting tank 32 through the perforated water collecting pipe 28 and is finally discharged to the clear water tank 4 through the water outlet pipe 31, and the sunken particles are precipitated in a cone at the bottom of the air floatation tank separation chamber 35, and the sedimentation can be discharged through opening the vent valve 33.
While the basic principles and main features of the present utility model and advantages thereof have been shown and described, the foregoing embodiments and description are merely illustrative of the principles of the present utility model, and various changes and modifications can be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. Integral type part backward flow pressurization dissolves gas air supporting experimental apparatus, including air supporting separation system, backward flow water pressure dissolve gas system, test bench (1), power control case (2), sewage case (3) and clean water tank (4), its characterized in that: the air flotation separation system is fixed on the left side of the upper end platform of the test bed (1); the power control box (2) is fixed on the right side of the upper end platform of the test bed (1) and is used for controlling the start and stop of the sewage suction pump (5), the backflow water pressurizing pump (10), the air compressor (18) and the slag scraping machine (9); the sewage tank (3) and the clean water tank (4) are fixed on the supporting leg at the lower end of the test bed, and the middle of the sewage tank (3) and the clean water tank (4) is separated by a partition board (44); the backflow water pressure air dissolving system is fixed on the right side of the lower end of the test bed (1) and is connected with the air floatation separation system through an air dissolving water outlet pipe (20).
2. The integrated partial reflux pressurized dissolved air floatation experiment device according to claim 1, wherein: the air flotation separation system is fixed on the left side of a platform at the upper end of the test bed (1) and comprises a sewage suction pump (5), a sewage water inlet pipe (8), a sewage water inlet pipe valve (6), a sewage water inlet flowmeter (7), a slag scraping machine (9), a slag collecting tank (24), a slag discharging pipe (25), a semi-blow-down pipe (26), a semi-blow-down valve (27), a perforated water collecting pipe (28), a water outlet liquid level controller (29), a water outlet water collecting tank (32), a water outlet pipe (31), a water outlet valve (30), an air flotation tank contact chamber (34), an air flotation tank separation chamber (35), a blow-down valve (33) and a blow-down pipe (43); wherein, sewage suction pump (5) links to each other with sewage inlet tube valve (6), sewage inflow flowmeter (7) and sewage inlet tube (8), and collection slag chute (24) link to each other with scum pipe (25), and perforation water collecting pipe (28) are connected to in going out water collecting vat (32) to through play water level controller (29) control play water liquid level, play water collecting vat (32) connect outlet pipe (31) and play water valve (30) simultaneously.
3. The integrated partial reflux pressurized dissolved air floatation experiment device according to claim 1, wherein: the backflow water pressure dissolved air system is fixed on the right side of the lower end of the test bed (1) and comprises a backflow water booster pump (10), a backflow water inlet pipe (12), a backflow water inlet valve (11), a backflow water inlet flowmeter (36), a pressure dissolved air tank (13), a pressure gauge (14), a pressure relief pipe (15), a pressure relief valve (16), an air compressor (18), an air pipe (17), a dissolved air water drainage valve (19), a dissolved air water outlet pipe (20), a dissolved air water outlet valve (21), a dissolved air water outlet flowmeter (22) and a dissolved air releaser (23); wherein, backflow water force (forcing) pump (10) links to each other with backflow water inlet tube (12), backflow water inlet valve (11) and backflow water inflow flowmeter (36), backflow water inlet tube (12) link to each other with pressure and dissolve gas pitcher (13) top, pressure gauge (14) are connected to pressure and dissolve gas pitcher (13) right side top, pressure relief pipe (15) and pressure relief valve (16) are connected to pressure and dissolve gas pitcher (13) left side below through air pipe (17) connection air compressor machine (18), dissolve gas pitcher (13) bottom connection and dissolve gas water drainage valve (19) and dissolve gas water outlet pipe (20), dissolve gas water outlet pipe (20) link to each other with dissolve gas water outlet valve (21), dissolve gas water outlet flowmeter (22) and dissolve gas releaser (23), dissolve gas water outlet pipe (20) and dissolve gas releaser (23) are let in into the inside air supporting separation system air supporting pond contact chamber (34).
4. The integrated partial reflux pressurized dissolved air floatation experiment device according to claim 1, wherein: the power control box (2) is fixed on the right side of a platform at the upper end of the test bed (1), and is provided with a power supply main switch (37), a sewage water pump power supply (39), a backflow water pressure pump power supply (40), an air compressor power supply (41), a slag scraping machine power supply (42) and a slag scraping machine speed regulator (38), and the power control box (2) is connected with the sewage water pump (5), the backflow water pressure pump (10), the air compressor (18) and the slag scraping machine (9) through control circuits.
5. The integrated partial reflux pressurized dissolved air floatation experiment device according to claim 2, wherein: the sewage tank (3) and the clean water tank (4) are fixed on the supporting leg at the lower end of the test bed, and the middle of the sewage tank (3) and the clean water tank (4) is separated by a partition board (44); the lower part of the left side of the sewage tank (3) is connected with a sewage suction pump (5), and the lower part of the right side of the clean water tank (4) is connected with a backflow water booster pump (10); the semi-blow-down pipe (26) and the blow-down pipe (43) are connected with the sewage tank (3), and the clear water of the water outlet pipe (31) of the air flotation separation system is connected with the clear water tank (4).
6. An integrated partial reflux pressurized dissolved air flotation experimental device according to any one of claims 1-3, wherein: the test bed (1) is made of stainless steel plates, the air floatation tank, the sewage tank (3) and the clear water tank (4) of the air floatation separation system are made of organic glass plates, and the pressure dissolved air tank (13) of the backflow water pressure dissolved air system is made of stainless steel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320656841.2U CN220485383U (en) | 2023-03-29 | 2023-03-29 | Integral type part backward flow pressurization dissolves air supporting experimental apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320656841.2U CN220485383U (en) | 2023-03-29 | 2023-03-29 | Integral type part backward flow pressurization dissolves air supporting experimental apparatus |
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| CN220485383U true CN220485383U (en) | 2024-02-13 |
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| CN202320656841.2U Active CN220485383U (en) | 2023-03-29 | 2023-03-29 | Integral type part backward flow pressurization dissolves air supporting experimental apparatus |
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