CN111115739B - Water inlet and water diversion gas-liquid mixing device of wastewater floatation system - Google Patents
Water inlet and water diversion gas-liquid mixing device of wastewater floatation system Download PDFInfo
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- CN111115739B CN111115739B CN202010038837.0A CN202010038837A CN111115739B CN 111115739 B CN111115739 B CN 111115739B CN 202010038837 A CN202010038837 A CN 202010038837A CN 111115739 B CN111115739 B CN 111115739B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 493
- 239000007788 liquid Substances 0.000 title claims abstract description 23
- 239000002351 wastewater Substances 0.000 title claims abstract description 19
- 230000000903 blocking effect Effects 0.000 claims description 53
- 238000004140 cleaning Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005188 flotation Methods 0.000 abstract description 4
- 239000007787 solid Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010943 off-gassing Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
Abstract
The invention discloses an inflow water diversion gas-liquid mixing device of a wastewater air floatation system, which is characterized in that raw water enters an inflow water diversion mixing box, flows into a raw water inflow secondary water diversion area after being diverted through a plurality of primary rectifying water diversion plate openings after entering a raw water primary water diversion area, is primarily mixed with high-pressure dissolved gas water flowing out of a second high-pressure dissolved gas water distribution pipe in the raw water inflow secondary water diversion area, flows into a raw water inflow tertiary water diversion area in an air floatation tank after being diverted through a plurality of secondary rectifying water diversion plate openings, and is secondarily mixed with high-pressure dissolved gas water flowing out of the first high-pressure dissolved gas water distribution pipe. The device distributes the single-channel inflow raw water in the inflow water diversion mixing box at equal pressure through the designed multi-layer multi-channel diversion structure, and is matched with the multi-pipe backflow high-pressure gas-water-dissolving mixing device to be in mixed contact with the backflow high-pressure gas-water in different areas for multiple times, so that the treatment effect and the treatment stability of the air flotation system can be greatly improved.
Description
Technical Field
The invention relates to an inflow uniform gas-liquid mixing device, in particular to an inflow water diversion gas-liquid mixing device of a wastewater air floatation system, and belongs to the technical field of devices for wastewater air floatation systems.
Background
When the wastewater treatment system is used, the pressurized air floatation device is often required to effectively collect and remove suspended solids in water, but in order to enable the air floatation device to effectively operate, the high-pressure dissolved air reflux water is often matched with the air release device to change the high pressure and low pressure of the dissolved air water body. The high-pressure dissolved air reflux water can generate a large number of tiny bubbles (20-80 mu m) under low pressure and/or normal pressure, and the tiny bubbles can be used for capturing suspended solids in the original wastewater body, so as to generate effective floating of the solids and concentration and removal of the floating matters. Therefore, the mixing sufficiency of the high-pressure dissolved air water flowing back and the inflow raw water often seriously affects the combination quantity of suspended solids and micro bubbles in the raw water.
Disclosure of Invention
The invention provides a water inflow and water diversion gas-liquid mixing device of a wastewater air floatation system, which is a group of mixing devices with inflow water distribution and multi-pipe backflow high-pressure gas-dissolved water, and can improve the treatment effect and the use stability of the air floatation system.
The technical scheme of the invention is as follows:
an inflow water diversion gas-liquid mixing device of a wastewater air floatation system comprises an inflow water diversion mixing box, an inflow water porous rectifying plate and a high-pressure dissolved gas pressure storage tank assembly,
wherein the inflow water diversion mixing box is arranged on the outer side wall of one side of the raw water inlet end of the air floatation tank and is communicated with a raw water inlet pipe; the water inflow and diversion mixing box sequentially passes through a primary water diversion and blocking plate and a secondary water diversion and blocking plate from a position close to a raw water inlet pipe to an air floatation groove to form a raw water inflow primary water diversion area and a raw water inflow secondary water diversion area, a plurality of primary rectifying water diversion and blocking plate openings are arranged on the primary water diversion and blocking plate at intervals, a plurality of secondary rectifying water diversion and blocking plate openings are arranged on the secondary water diversion and blocking plate at intervals, and the number of the secondary rectifying water diversion and blocking plate openings is larger than that of the primary rectifying water diversion and blocking plate openings;
wherein the water inlet porous rectifying plate is provided with a plurality of rectifying holesThe water inlet porous rectifying plate is fixedly arranged on the inner side wall of one side of the raw water inlet end of the air floatation tank and forms a raw water inlet tertiary water diversion area with the inner wall side;
the high-pressure dissolved air pressure storage tank assembly comprises a high-pressure dissolved air pressure storage tank, a plurality of first high-pressure dissolved air water distribution pipes and a plurality of second high-pressure dissolved air water distribution pipes, one end of each first high-pressure dissolved air water distribution pipe is communicated with the high-pressure dissolved air pressure storage tank, the other end of each first high-pressure dissolved air water distribution pipe is communicated with a raw water inflow three-time water distribution area in the air floatation tank, one end of each second high-pressure dissolved air water distribution pipe is communicated with the high-pressure dissolved air pressure storage tank, and the other end of each second high-pressure dissolved air water distribution pipe is communicated with a raw water inflow two-time water distribution area in the inflow water distribution mixing tank;
raw water enters the inflow water diversion mixing box from the raw water inlet pipe, flows into the raw water inflow secondary water diversion area after being diverted through a plurality of primary rectification water diversion plate openings on the primary water diversion plate after entering the primary water diversion area, is primarily mixed with high-pressure dissolved air water flowing out of the second high-pressure dissolved air water distribution pipe in the raw water inflow secondary water diversion area, and flows into the raw water inflow tertiary water diversion area in the air floatation groove after being diverted through a plurality of secondary rectification water diversion plate openings on the secondary water diversion plate and is secondarily mixed with the high-pressure dissolved air water flowing out of the first high-pressure dissolved air water distribution pipe.
The further technical scheme is as follows:
the inflow water diversion mixing box consists of a raw water inflow primary water diversion box and a raw water inflow secondary water diversion box, wherein the raw water inflow primary water diversion box is formed by separating a primary water diversion water blocking plate from the inner side wall of the inflow water diversion mixing box; wherein the raw water inflow secondary water diversion box is formed by separating a secondary water diversion water blocking plate and a primary water diversion water blocking plate.
The further technical scheme is as follows:
the primary rectifying water diversion and blocking plate openings are arranged in two and symmetrically distributed on the primary water diversion and blocking plate, and the secondary rectifying water diversion and blocking plate openings are arranged in 3-10 and uniformly distributed on the secondary water diversion and blocking plate at intervals.
The further technical scheme is as follows:
the water inlet porous rectifying plateThe structure is formed by integrally forming a transverse plate and a vertical plate, and the rectifying holes are uniformly arranged on the transverse plate and the vertical plate at intervals; the diaphragm is fixedly arranged on the inner side wall of one side of the raw water inlet end of the air floatation tank and is positioned above the raw water inlet secondary water distribution area, and the bottommost end of the vertical plate is lower than the water inlet of the first high-pressure dissolved air water distribution pipe on the air floatation tank.
The further technical scheme is as follows:
the aperture of the rectifying holes of the water inlet porous rectifying plate is 0.5-2.0 inches, and the total area of the apertures of the plurality of rectifying holes is 2-5 times of the radial sectional area of the raw water inlet pipe.
The further technical scheme is as follows:
the high-pressure dissolved air pressure storage tank is provided with first water outlets which are corresponding to the number of the secondary rectifying water diversion water blocking plate openings and are distributed at intervals, a first high-pressure mixed air release water inlet which corresponds to the first water outlet is formed in the lower part of the inner side wall of the side of the raw water inlet end of the air floatation tank, which corresponds to the secondary rectifying water diversion water blocking plate opening, one end of the first high-pressure dissolved air water distribution pipe is communicated with the first water outlet, and the other end of the first high-pressure dissolved air water distribution pipe is communicated with the first high-pressure mixed air release water inlet; the high-pressure dissolved air pressure storage tank is provided with second water outlets which are corresponding to the number of the primary rectifying water diversion water blocking plates and are distributed at intervals, the bottom of the raw water inflow secondary water diversion tank is provided with a second high-pressure mixed air release water inlet which corresponds to the second water outlet near the primary rectifying water diversion water blocking plate opening, and one end of the second high-pressure dissolved air water distribution pipe is communicated with the second water outlet, and the other end of the second high-pressure dissolved air water distribution pipe is communicated with the second high-pressure mixed air release water inlet.
The further technical scheme is as follows:
the second high-pressure dissolved air water distributing pipe is positioned at two sides close to the raw water inlet pipe.
The further technical scheme is as follows:
the first high-pressure air-dissolving water distribution pipe and the second high-pressure air-dissolving water distribution pipe are respectively provided with an automatic opening and closing self-cleaning high-pressure release valve at the end close to the air floatation groove.
The further technical scheme is as follows:
the upper end of the high-pressure dissolved gas pressure storage tank is provided with an exhaust pipe communicated with the outside, and an exhaust control valve for exhausting the accumulated gas in the tank is positioned on the exhaust pipe.
The further technical scheme is as follows:
and a pressure gauge is positioned on the high-pressure dissolved gas pressure storage tank.
The beneficial technical effects of the invention are as follows: the device comprises a water inflow and water diversion mixing box, a water inflow porous rectifying plate and a high-pressure dissolved air pressure storage tank assembly, wherein raw water enters the water inflow and water diversion mixing box, flows into a raw water inflow and water diversion area after being diverted through a plurality of primary rectifying and water diversion plate openings, flows into a raw water inflow and water diversion area and is primarily mixed with high-pressure dissolved air water flowing out of a second high-pressure dissolved air water distribution pipe, and flows into a raw water inflow and water diversion area in an air floatation tank and is secondarily mixed with high-pressure dissolved air water flowing out of the first high-pressure dissolved air water distribution pipe after being diverted through a plurality of secondary rectifying and water diversion plate openings. The device distributes the single-channel inflow raw water in the inflow water diversion mixing box at equal pressure through the designed multi-layer multi-channel diversion structure, and is matched with the multi-pipe backflow high-pressure gas-water-dissolving mixing device to be in mixed contact with the backflow high-pressure gas-water in different areas for multiple times, so that the treatment effect and the treatment stability of the air flotation system can be greatly improved.
Drawings
FIG. 1 is a schematic diagram of a front elevation structure of the invention, wherein an arrow shown in the diagram is a water inlet direction of high-pressure gas-liquid mixed water;
FIG. 2 is a schematic view of the back elevation structure of the invention, and the view angle in the air floatation tank;
FIG. 3 is one of the right side structural schematic views of the present invention;
FIG. 4 is a second schematic diagram of the right side surface structure of the present invention, wherein solid arrows are the flowing direction of raw water in the inflow and water diversion mixing tank and the air floatation tank after water inflow, dashed arrows are the water inflow direction of high-pressure dissolved air water, and small bubbles are micro bubbles generated after pressure release of the high-pressure dissolved air water;
FIG. 5 is a schematic view of the elevation structure of the high-pressure dissolved air pressure tank and the second high-pressure dissolved air water distribution pipe, wherein the arrow in the figure is the water inlet direction of the high-pressure dissolved air water;
FIG. 6 is a schematic top view of the high pressure dissolved air pressure tank and the second high pressure dissolved air water distribution pipe of the present invention;
FIG. 7 is a schematic diagram of the back view structure of the high-pressure dissolved air pressure tank and the second high-pressure dissolved air water distribution pipe, wherein the arrow in the diagram is the water inlet direction of the high-pressure dissolved air water;
FIG. 8 is a schematic diagram of the left-hand view structure of the high-pressure dissolved air pressure tank and the second high-pressure dissolved air water distribution pipe of the present invention, wherein the solid arrows shown in the figure are raw water inflow directions, and the dotted arrows shown in the figure are high-pressure dissolved air water inflow directions;
FIG. 9 is a schematic diagram of the right-side view structure of the high-pressure dissolved air pressure tank and the second high-pressure dissolved air water distribution pipe, wherein the solid arrows shown in the figure are raw water inflow directions, and the dotted arrows shown in the figure are high-pressure dissolved air water inflow directions;
FIG. 10 is a schematic top view of the inflow and water diversion mixing box and the inflow porous rectifying plate of the present invention, wherein the solid arrows in the figure indicate the flow direction of raw water flowing through the inflow and water diversion mixing box and the inflow porous rectifying plate after water inflow;
FIG. 11 is a schematic elevational view of a water inlet porous rectifying plate of the present invention;
FIG. 12 is a schematic view of the structure of the present invention after being mounted on an air bearing tank;
wherein:
100-an inflow water diversion mixing box; 101-one-time water diversion and blocking plate; 102-a secondary water diversion and blocking plate; 103-primary rectifying water diversion and blocking board opening; 104-a secondary rectifying water diversion and blocking board port; 105-a primary water distribution box for raw water inflow; 106-a raw water inflow secondary water distribution box; 106a second high pressure mixed outgassing water inlet;
200-a water inlet porous rectifying plate; 201-rectifying holes; 202-a cross plate; 203-risers;
300-a high pressure dissolved gas pressure storage tank assembly; 301-a high-pressure dissolved gas pressure storage tank; 301a first water outlet; 301 b-a second water outlet; 301 c-exhaust pipe; 302-a first high-pressure gas-water distributing pipe; 303-a second high-pressure gas-water distributing pipe; 304-automatically opening and closing a self-cleaning high-pressure release valve; 305-an exhaust control valve; 306-a pressure gauge;
400-an air floatation tank; 401-a first high-pressure mixed outgassed water inlet;
500-raw water inlet pipe;
600-primary water distribution area of raw water inflow;
700-a raw water inflow secondary water diversion area;
800-a water diversion area for three times of raw water inflow.
Detailed Description
In order that the manner in which the above recited features of the present invention are attained and can be understood in detail, a more particular description of the invention, briefly summarized below, may be had by reference to the appended drawings and examples, which are illustrated in their embodiments, but are not intended to limit the scope of the invention.
The application describes a water inflow and water diversion gas-liquid mixing device of a wastewater air floatation system in detail, and the device mainly comprises three parts of an inflow and water diversion mixing box 100, an inflow porous rectifying plate 200 and a high-pressure dissolved gas pressure storage tank assembly 300.
Inflow and water diversion mixing box 100Is arranged on the air floatationThe inflow and water distribution mixing tank 100 is connected to a raw water inlet pipe 500 on the outer side wall of the raw water inlet side of the tank 400. In this embodiment, the inflow water diversion mixing box is designed into a rectangular flat column structure, and uniformly distributes raw water entering from the raw water inlet pipe into 2-10 groups or more than 10 groups of water inlets, and then enters the air floatation tank respectively. The raw water inflow and diversion mixing box 100 in the application sequentially passes through a primary diversion water blocking plate 101 and a secondary diversion water blocking plate 102 from the position close to a raw water inlet pipe 500 to the direction of an air floatation tank 400 to form a raw water inflow and diversion primary area 600 and a raw water inflow and diversion secondary area 700, and specifically the raw water inflow and diversion mixing box 100 in the application consists of a raw water inflow and diversion primary box 105 and a raw water inflow and diversion secondary box 106, wherein the raw water inflow and diversion primary box is formed by separating the primary diversion water blocking plate and the inner side wall of the inflow and diversion mixing box, namely the raw water inflow and diversion primary area 600 is formed; the raw water inflow secondary water diversion tank is formed by separating a secondary water diversion and blocking plate from a primary water diversion and blocking plate, and thus the raw water inflow secondary water diversion area 700 is formed. A plurality of primary rectifying and water diversion and water blocking plate openings 103 are arranged on the primary water diversion and water blocking plate at intervals, and in the specific embodiment, the number of the primary rectifying and water diversion and water blocking plate openings 103 is two and are symmetrically distributed on the primary water diversion and water blocking plate; the secondary rectifying water diversion water blocking plates are provided with a plurality of secondary rectifying water diversion water blocking plate openings 104 at intervals, the number of the secondary rectifying water diversion water blocking plate openings in the embodiment is larger than that of the primary rectifying water diversion water blocking plate openings, and the number of the secondary rectifying water diversion water blocking plate openings 104 in the embodiment is 3-10 and are uniformly distributed on the secondary water diversion water blocking plates at intervals, and is preferably 5-6. The outlet end of the inflow water-splitting mixing box is provided with multiple uniformly-distributed outlet pipes, the total cross-sectional area of the outlet pipes is equal to the cross-sectional area of the inlet pipes of the inflow water-splitting mixing box, and the pipe orifice of the outlet pipes is connected with the groove wall of the air floatation groove by adopting a flange. The inflow and water diversion mixing box adopts a water inlet baffle plate, firstly, the raw water entering from a raw water inlet pipe is strictly divided into channels in the left and right directions, and the whole inflow and water diversion mixing box is distributed at equal pressure by the restriction of the cross sections of the left and right channels.
Water inlet porous rectifying plate 2002 is provided with a plurality of rectifying holes01A structure of->The structure is formed by integrally molding the cross plate 202 and the vertical plate 203, and the rectifying holes 201 are uniformly spaced on the cross plate and the vertical plate. Specifically, the cross plate 202 is fixedly disposed on the inner sidewall of the air-float tank at the side of the raw water inlet end and above the raw water inlet secondary water diversion area, and the lowest end of the vertical plate 203 is lower than the water inlet of the first high-pressure dissolved air water distribution pipe 302 on the air-float tank. The water inlet porous rectifying plate adopts porous design, so that water flowing out of the water inlet water distribution mixing box 100 can be distributed secondarily and uniformly, and the water inlet raw water forms a surface body water distribution. In this embodiment, the aperture of the rectifying hole 201 of the water inlet porous rectifying plate is 0.5-2.0 inches, the specific size of the aperture is that the proper aperture is selected according to the water volume of the inlet flow, but not limited to the size of the aperture, but the total area of the apertures of the plurality of rectifying holes is 2-5 times of the radial sectional area of the raw water inlet pipe 500, in addition, the water inlet porous rectifying plate is fixedly arranged on the inner side wall of the raw water inlet end side of the air flotation tank and forms a raw water inlet three-time water diversion area 800 with the inner wall side, so that the water flowing out of the water inlet water diversion mixing tank can flow downwards freely as far as possible except through the rectifying holes on the water inlet porous rectifying plate so as to collide with the high-pressure dissolved air water flowing in the lower part.
High pressure dissolved gas pressure tank assembly 300Comprises a high-pressure dissolved air pressure storage tank 301, a plurality of first high-pressure dissolved air water distributing pipes 302 and a plurality of second high-pressure dissolved air water distributing pipes 303. The high-pressure dissolved gas pressure storage tank 301 is used for enabling high-pressure dissolved gas circulating water to enter the high-pressure dissolved gas pressure storage tank for stable pressure continuation, and the high-pressure dissolved gas pressure storage tank used in the embodiment keeps the tank body to store pressure of 3-8kg/cm 2 The total volume is designed to be least kept for more than 5min of water conservancy residence time; in addition, the high-pressure dissolved air pressure storage tank used in the embodiment is designed for convenience and beauty in installation and collocationInstead, other shapes may be used as well, with a recumbent cylindrical design. The upper end of the high-pressure dissolved gas pressure storage tank 301 is provided with an exhaust pipe 301c communicated with the outside, an exhaust control valve 305 for exhausting the gas accumulated in the tank is positioned on the exhaust pipe, the main functions of the exhaust pipe and the exhaust control valve are to exhaust the gas accumulated in the tank body, and the exhaust control valve can be a manual exhaust control valve or an automatic timing exhaust control valve, so that the practical layout and the operation are convenient and safe, and the physical operation is convenient; in addition, a pressure gauge 306 is positioned on the high-pressure dissolved gas pressure storage tank 301 and is used for detecting the real-time pressure in the tank body.
The water outlets on the high-pressure dissolved air pressure storage tank 301 are distributed in multiple pipes, so that the high-pressure dissolved air water in the tank body can be uniformly distributed into the air floatation tank by respectively taking the outlets of the branch pipes. The specific branch pipe comprises a plurality of first high-pressure water-soluble gas-water distributing pipes 302 and a plurality of second high-pressure water-soluble gas-water distributing pipes 303, and the pipe diameters of the first high-pressure water-soluble gas-water distributing pipes and the second high-pressure water-soluble gas-water distributing pipes in the specific embodiment are designed to be 0.25-3.0 inches, and the branch pipe can be designed according to the actual water quantity and is not limited to the pipe diameters. One end of the first high-pressure dissolved air water distributing pipe 302 is communicated with the high-pressure dissolved air pressure storage tank, the other end of the first high-pressure dissolved air water distributing pipe is communicated with the raw water inflow third water diversion area in the air floatation tank, and one end of the second high-pressure dissolved air water distributing pipe is communicated with the high-pressure dissolved air pressure storage tank, and the other end of the second high-pressure dissolved air water distributing pipe is communicated with the raw water inflow second water diversion area in the inflow water diversion mixing box. Specifically, the high-pressure dissolved air pressure storage tank 301 is provided with first water outlets 301a which are corresponding to the number of the secondary rectifying, water dividing and blocking plate openings and are distributed at intervals, a first high-pressure mixed air release water inlet 401 corresponding to the first water outlet is formed in the lower portion of the inner side wall of the side of the raw water inlet end of the air floatation tank, which corresponds to the secondary rectifying, water dividing and blocking plate openings, one end of the first high-pressure dissolved air water distribution pipe 302 is communicated with the first water outlet, and the other end of the first high-pressure dissolved air water distribution pipe is communicated with the first high-pressure mixed air release water inlet. Specifically, the high-pressure dissolved air pressure storage tank 301 is provided with second water outlets 301b which are arranged at intervals and correspond to the number of the primary rectifying and water diversion water blocking plates, and the bottom of the raw water inlet secondary water diversion tank 106 is provided with water outlets close to the primary rectifying and water diversion water blocking platesAnd a second high-pressure mixed gas-releasing water inlet 106a corresponding to the opening, wherein one end of the second high-pressure dissolved gas-water distributing pipe is communicated with the second water outlet, and the other end of the second high-pressure dissolved gas-water distributing pipe is communicated with the second high-pressure mixed gas-releasing water inlet. The first high-pressure dissolved air water distributing pipe and the second high-pressure dissolved air water distributing pipe are respectively provided with an automatic opening and closing self-cleaning high-pressure release valve 304 close to the air floatation tank, and the automatic opening and closing self-cleaning high-pressure release valve can enable the pressure in the high-pressure dissolved air pressure storage tank to be 3-8kg/cm 2 The high-pressure water is rapidly depressurized into water in a low-pressure or normal-pressure state, and gas dissolved in the high-pressure water body is further rapidly depressurized into micro-bubbles with the size of 4-20 mu m due to the water body. The automatic opening and closing self-cleaning high-pressure release valve 304 is a self-cleaning high-pressure release valve device of a pressurized air floatation system capable of automatically cleaning at regular time, and integrates an automatic control valve, and a conical water inlet and a horizontal water outlet which are in micropore forms are added on a spherical valve body (namely a valve plate) controlled by the automatic control valve to serve as release holes, so that the two functions of automatic opening and closing and high-pressure release are well combined; meanwhile, the conical water inlet and the horizontal water outlet which are in the micropore form on the spherical valve body can automatically clean by means of vortex and turbulence generated when the spherical valve body is opened and closed, so that a self-cleaning effect is achieved, the air release function of micro bubbles can be stably maintained, and the treatment effect of the whole air floatation system is more stable and better. In addition, each branch pipe on the high-pressure dissolved air pressure storage tank is required to be matched with a water outlet on the inflow water diversion mixing box in a close range when entering the reaction area of the air floatation tank, namely, one half of the first high-pressure dissolved air water distribution pipe is positioned in the area of the inflow water porous rectifying plate of the air floatation tank below the raw water inlet pipe, the other half of the first high-pressure dissolved air water distribution pipe is stepped on the left side and the right side of the water inlet pipe to enter the area of the inflow water porous rectifying plate of the air floatation tank, and the second high-pressure dissolved air water distribution pipe is positioned at two sides close to the raw water inlet pipe, so that all raw water inflow water and high-pressure released air water are fully mixed in the area of the inflow water porous rectifying plate, namely, the raw water inflow water three-time diversion area, and then the river flows into the air floatation reaction area for further contact combination and floating.
When the device is used, raw water enters the inflow water diversion mixing box from the raw water inlet pipe, after being diverted through the primary water diversion area and the primary rectifying water diversion plate openings on the primary water diversion plate, two channels are formed to flow into the raw water inflow secondary water diversion area and to be mixed once with high-pressure dissolved air water flowing out of the second high-pressure dissolved air water diversion pipe in the raw water inflow secondary water diversion area, and then after being diverted through the secondary rectifying water diversion plate openings on the secondary water diversion plate, the raw water flowing into the air floatation tank in a multichannel mode is formed to flow into the tertiary water diversion area and be mixed twice with the high-pressure dissolved air water flowing out of the first high-pressure dissolved air water diversion pipe. The device ensures that inflow raw water of a single flow channel is distributed in the inflow water diversion mixing box at equal pressure through a designed multi-level multi-channel diversion structure, and is matched with a multi-pipe backflow high-pressure dissolved air water mixing device to be mixed and contacted with backflow high-pressure dissolved air water for multiple times in different areas, so that the treatment effect and the treatment stability of an air flotation system can be greatly improved.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and it should be noted that it is possible for those skilled in the art to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a waste water air supporting system water inflow water diversion gas-liquid mixing arrangement which characterized in that: comprises a inflow water diversion mixing box (100), a water inflow porous rectifying plate (200) and a high-pressure dissolved gas pressure storage tank assembly (300),
wherein the inflow water diversion mixing box (100) is arranged on the outer side wall of one side of the raw water inlet end of the air floatation tank (400) and is communicated with a raw water inlet pipe (500); the raw water inflow and diversion mixing box sequentially passes through a primary diversion water-blocking plate (101) and a secondary diversion water-blocking plate (102) from a position close to a raw water inlet pipe to an air floatation groove to form a raw water inflow primary diversion area (600) and a raw water inflow secondary diversion area (700), a plurality of primary rectification diversion water-blocking plate openings (103) are formed in the primary diversion water-blocking plate at intervals, a plurality of secondary rectification diversion water-blocking plate openings (104) are formed in the secondary diversion water-blocking plate at intervals, and the number of the secondary rectification diversion water-blocking plate openings is larger than that of the primary rectification water-blocking plate openings;
the water inlet porous rectifying plate (200) is provided with a plurality of rectifying holes (201) with a L-shaped structure, and is fixedly arranged on the inner side wall of the air floatation tank at one side of the raw water inlet end and forms a raw water inlet three-time water diversion area (800) with the inner side wall;
the high-pressure dissolved air pressure storage tank assembly (300) comprises a high-pressure dissolved air pressure storage tank (301), a plurality of first high-pressure dissolved air water distribution pipes (302) and a plurality of second high-pressure dissolved air water distribution pipes (303), one end of each first high-pressure dissolved air water distribution pipe is communicated with the high-pressure dissolved air pressure storage tank, the other end of each first high-pressure dissolved air water distribution pipe is communicated with a raw water inflow three-time water distribution area in the air floatation tank, one end of each second high-pressure dissolved air water distribution pipe is communicated with the high-pressure dissolved air pressure storage tank, and the other end of each second high-pressure dissolved air water distribution pipe is communicated with the raw water inflow two-time water distribution area in the inflow water distribution mixing tank.
2. The water inflow water diversion gas-liquid mixing device of the wastewater air floatation system according to claim 1, wherein the water inflow water diversion gas-liquid mixing device is characterized in that: the inflow water diversion mixing box (100) consists of a raw water inflow primary water diversion box (105) and a raw water inflow secondary water diversion box (106), wherein the raw water inflow primary water diversion box is formed by separating a primary water diversion water blocking plate from the inner side wall of the inflow water diversion mixing box; wherein the raw water inflow secondary water diversion box is formed by separating a secondary water diversion water blocking plate and a primary water diversion water blocking plate.
3. The water inflow water diversion gas-liquid mixing device of the wastewater air floatation system according to claim 2, wherein: the primary rectifying water diversion and blocking plate openings (103) are arranged in two and symmetrically distributed on the primary water diversion and blocking plates, and the secondary rectifying water diversion and blocking plate openings (104) are arranged in 3-10 and uniformly distributed on the secondary water diversion and blocking plates at intervals.
4. The water inflow water diversion gas-liquid mixing device of the wastewater air floatation system according to claim 1, wherein the water inflow water diversion gas-liquid mixing device is characterized in that: the L-shaped structure of the water inlet porous rectifying plate (200) is formed by integrally forming a transverse plate (202) and a vertical plate (203), and the rectifying holes (201) are uniformly arranged on the transverse plate and the vertical plate at intervals; the transverse plate (202) is fixedly arranged on the inner side wall of one side of the raw water inlet end of the air floatation tank and is positioned above the raw water inlet secondary water diversion area, and the bottommost end of the vertical plate (203) is lower than the water inlet of the first high-pressure dissolved air water distributing pipe (302) on the air floatation tank.
5. The water inflow water diversion gas-liquid mixing device of the wastewater air floatation system according to claim 4, wherein: the aperture of the rectifying holes (201) of the water inlet porous rectifying plate is 0.5-2.0 inches, and the total area of the apertures of the plurality of rectifying holes is 2-5 times of the radial sectional area of the raw water inlet pipe (500).
6. The water inflow water diversion gas-liquid mixing device of the wastewater air floatation system according to claim 2, wherein: the high-pressure dissolved air pressure storage tank (301) is provided with first water outlets (301 a) which are corresponding to the number of the secondary rectifying, water dividing and blocking plate openings and are distributed at intervals, a first high-pressure mixed air release water inlet (401) which corresponds to the first water outlet is formed in the lower part of the inner side wall of the side of the raw water inlet end of the air floatation tank, which corresponds to the secondary rectifying, water dividing and blocking plate opening, one end of the first high-pressure dissolved air water distribution pipe (302) is communicated with the first water outlet, and the other end of the first high-pressure dissolved air water distribution pipe is communicated with the first high-pressure mixed air release water inlet; second water outlets (301 b) which correspond to the primary rectifying water diversion water blocking plates in number and are distributed at intervals are formed in the high-pressure dissolved air pressure storage tank (301), a second high-pressure mixed air release water inlet (106 a) which corresponds to the second water outlet is formed in the bottom of the raw water inflow secondary water diversion box (106) close to the primary rectifying water diversion water blocking plate, and one end of the second high-pressure dissolved air water distribution pipe is communicated with the second water outlet, and the other end of the second high-pressure dissolved air water distribution pipe is communicated with the second high-pressure mixed air release water inlet.
7. The water inflow water diversion gas-liquid mixing device of the wastewater air floatation system according to claim 6, wherein: the second high-pressure dissolved air water distributing pipe (303) is positioned at two sides close to the raw water inlet pipe (500).
8. The water inflow water diversion gas-liquid mixing device of the wastewater air floatation system according to claim 6, wherein: the first high-pressure dissolved air water distributing pipe (302) and the second high-pressure dissolved air water distributing pipe (303) are respectively provided with an automatic opening and closing self-cleaning high-pressure release valve (304) at the positions close to the air floatation groove end.
9. The water inflow water diversion gas-liquid mixing device of the wastewater air floatation system according to claim 1, wherein the water inflow water diversion gas-liquid mixing device is characterized in that: an exhaust pipe (301 c) communicated with the outside is arranged at the upper end of the high-pressure dissolved gas pressure storage tank (301), and an exhaust control valve (305) for exhausting the gas accumulated in the tank is positioned on the exhaust pipe.
10. The water inflow water diversion gas-liquid mixing device of the wastewater air floatation system according to claim 1, wherein the water inflow water diversion gas-liquid mixing device is characterized in that: a pressure gauge (306) is positioned on the high-pressure dissolved gas pressure storage tank (301).
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5160610A (en) * | 1990-11-13 | 1992-11-03 | Smith & Loveless, Inc. | Radial header for dissolved air flotation systems |
| CN202152290U (en) * | 2011-07-08 | 2012-02-29 | 蓝星环境工程有限公司 | Pressurized dissolved-air floating system |
| CN104370323A (en) * | 2014-11-21 | 2015-02-25 | 广东理文造纸有限公司 | Shallow air-floatation device and sewage treatment method |
| KR20160084218A (en) * | 2015-01-05 | 2016-07-13 | (주)대신환경기술 | Biological apparatus for treating waste water |
| JP2019000837A (en) * | 2017-06-20 | 2019-01-10 | 凸版印刷株式会社 | Mixed bubble generation device |
| CN211770405U (en) * | 2020-01-14 | 2020-10-27 | 苏州中鹿环保设备有限公司 | Water inlet flow dividing gas-liquid mixing device of wastewater air floatation system |
-
2020
- 2020-01-14 CN CN202010038837.0A patent/CN111115739B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5160610A (en) * | 1990-11-13 | 1992-11-03 | Smith & Loveless, Inc. | Radial header for dissolved air flotation systems |
| CN202152290U (en) * | 2011-07-08 | 2012-02-29 | 蓝星环境工程有限公司 | Pressurized dissolved-air floating system |
| CN104370323A (en) * | 2014-11-21 | 2015-02-25 | 广东理文造纸有限公司 | Shallow air-floatation device and sewage treatment method |
| KR20160084218A (en) * | 2015-01-05 | 2016-07-13 | (주)대신환경기술 | Biological apparatus for treating waste water |
| JP2019000837A (en) * | 2017-06-20 | 2019-01-10 | 凸版印刷株式会社 | Mixed bubble generation device |
| CN211770405U (en) * | 2020-01-14 | 2020-10-27 | 苏州中鹿环保设备有限公司 | Water inlet flow dividing gas-liquid mixing device of wastewater air floatation system |
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