CN210945000U

CN210945000U - Automatic back flush microbubble pure oxygen air exposure all-in-one

Info

Publication number: CN210945000U
Application number: CN201921888875.4U
Authority: CN
Inventors: 温一凡; 林静伟; 吴海奋; 李宽; 蔡俊鹏
Original assignee: Shantou Hongdong Environment Treatment Co ltd
Current assignee: Shantou Hongdong Environment Treatment Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-07-07
Anticipated expiration: 2029-11-05

Abstract

The utility model provides an automatic back flush microbubble pure oxygen air-to-air exposure all-in-one, which comprises a housin, it passes through inlet channel and heterogeneous pump connection to be equipped with two sets of processing regions in the casing, processing region is by outer toward interior in proper order the district of intaking, the filler district, the water purification district passes through inlet channel and heterogeneous pump connection, dispose motorised valve and gate valve in the inlet channel, heterogeneous pump adopts the first adapter who leads to more with the link of inlet channel, first adapter carries water to the filler district through the recoil pipeline, dispose the back flush solenoid valve in the recoil pipeline, the district of intaking disposes porous sieve with filler district bottom, the gas-liquid mixed export connection pressure storehouse of heterogeneous pump, the delivery port of pressure storehouse disposes the delivery port solenoid valve, the pressure storehouse delivery port passes through branch connection recoil. Adopt this structure can make equipment keep long-time normal operating, reduce the maintenance number of times, the milky white microbubble of production has high surface area, and the adsorptivity is strong, and water purification capacity is high, advantages such as detention time is long.

Description

Automatic back flush microbubble pure oxygen air exposure all-in-one

Technical Field

The utility model relates to a microbubble takes place technical field, refers in particular to an automatic back flush microbubble pure oxygen air exposure all-in-one.

Background

The microbubble technique is widely used in various fields such as fish and shellfish farming, wastewater treatment, chemical reaction devices, medical treatment, plant cultivation, etc., and in recent years, the technique of applying microbubble aeration, called microbubbles, having a diameter of several tens of μm to several μm or less to the field of river regulation has attracted attention mainly because a system containing a plurality of microbubbles in a liquid has a larger bubble surface area than a system containing a single bubble having the same volume, and the residence time of the microbubbles in water, etc. is longest due to a slow rising speed.

In the prior art, microbubble generating equipment has the defects of easy blockage, higher maintenance cost and the like, such as a blower-micropore air dispersing plate aeration. The air blower with certain air quantity and pressure is used for connecting a conveying pipeline, air is forcibly added into the bottom layer of the river channel through the micropore air dispersing disc (or the micropore air dispersing pipe), uniform aeration and oxygenation are realized, and the micropore aeration disc is easy to block after long-time operation, is difficult to lay and is inconvenient to maintain, so that the micropore aeration disc is not suitable for large-scale use. If patent CN206955773U discloses a float and inhale formula microbubble pure oxygen air-exposition integration reoxygenation machine again, the district of intaking has adopted thick grid and movable thin grid to carry out physics to the intaking and has filtered, this kind of processing mode is applicable to the processing suspended solid, the quality of water that impurity content is less, but handle large granule suspended solid, the fibre, impurity, the more quality of water of content such as rubbish then has certain drawback, because long-term operation can lead to movable thin grid to block up comparatively frequently, make head loss crescent, can lead to the unable normal work of water pump when serious, the number of times of artifical clearance plug and maintenance clearance water pump has been increased, the operation maintenance cost has been improved.

Disclosure of Invention

An object of the utility model is to prior art current situation, provide an automatic back flush microbubble pure oxygen air-to-air exposure all-in-one, realize intaking in turn, wash the circulation function, keep equipment long-time operation, reduce and maintain the number of times, reduce the maintenance cost.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

automatic back flush microbubble pure oxygen air-blast all-in-one that exposes to sun, including the casing, be equipped with two sets of processing regions in the casing and pass through inlet channel and heterogeneous pump connection, processing region is by outer toward interior in proper order for the district of intaking, the filler district, the water purification district passes through inlet channel and heterogeneous pump connection, and disposes motorised valve and gate valve in the inlet channel, and heterogeneous pump and inlet channel's link adopts the first adapter that leads to more, and first adapter carries water to the filler district through the recoil pipeline, and disposes the back flush solenoid valve in the recoil pipeline, intake zone and filler district bottom dispose porous sieve, the gas-liquid mixed export connection pressure storehouse of heterogeneous pump, the delivery port of pressure storehouse disposes the delivery port solenoid valve, and the pressure storehouse delivery port passes through branch connection recoil pipeline.

In the above scheme, the pressure bin is annular.

Furthermore, the water outlet of the pressure bin is also provided with a pressure gauge and is also connected with a micro-bubble generator.

Further, the multiphase flow pump is provided with an air pipe and an air flow meter.

Further, a gas-liquid mixing outlet of the multiphase flow pump is connected with a gas-liquid pipeline through a second adapter, and a one-way valve is arranged in the gas-liquid pipeline.

Furthermore, the first adapter and the second adapter are both in soft connection by rubber.

Further, a rain cover and a hand grab rail are arranged above the shell.

The utility model has the advantages that:

1. the water inlet area is provided with the composite filler, so that the water inlet area has higher efficient treatment capacity than common physical filtration, various suspended matters and impurities in the water body are removed under the adsorption and sedimentation effects of the matrix, and meanwhile, after the water inlet area runs for a period of time, a biological film formed on the surface of the matrix by microorganisms can adsorb, absorb and degrade pollutants, so that physical-biological combined pretreatment is realized;

2. the equipment is divided into two sides for alternately feeding water, when the area A feeds water, the area B is in a closed state, when the area A runs to a certain degree and the filler is blocked, the area A stops working, a back washing stage is started, the area B stops working until the filler is blocked, the area A normally works, and the operation is repeated, so that the alternate water feeding, the continuous running and the automatic back washing of the equipment are realized by automatically setting a starting and closing program of a valve, the long-term running load of the equipment can be kept at a stable level, the later-stage running maintenance cost is greatly reduced, and the treatment capacity and the treatment effect are improved;

3. the aeration oxygenation efficiency is high, the utilization rate of oxygen can reach more than 50%, and is 2-3 times of that of the traditional aerator, and the generated milky microbubbles have the characteristics of high surface area, strong adsorbability, high water quality purification capacity, long retention time and the like;

4. the whole equipment appearance is circular, reduces the section effectively and overflows the resistance, and the pressure storehouse adopts annular design, makes whole spatial distribution more evenly intensive, and the outward appearance is more apparent brief and pleasing to the eye.

Description of the drawings:

fig. 1 is a cross-sectional view of a top view structure of the present invention;

FIG. 2 is a schematic view of the bottom view structure of the present invention;

FIG. 3 is a side sectional view of the present invention;

FIG. 4 is a schematic diagram of the external profile structure of the present invention;

fig. 5 is a schematic structural diagram of the microbubble generator according to the present invention.

The specific implementation mode is as follows:

please refer to fig. 1 to 3, which are schematic structural diagrams of a preferred embodiment of the present invention, the present invention relates to an automatic back-washing microbubble pure oxygen air-exposure integrated machine, which comprises a housing, wherein two sets of processing areas are arranged in the housing and connected with a multiphase flow pump 7 through a water inlet pipeline, the processing areas are sequentially a water inlet area 1, a filler area 2 and a water purifying area 3 from outside to inside, the water purifying area 3 is connected with the multiphase flow pump 7 through a water inlet pipeline, and an electric valve 4 and a gate valve 5 are arranged in the water inlet pipeline, preferably, the ends of the water inlet pipelines of the two sets of processing areas can be combined and then connected with the multiphase flow pump 7, namely, the two water inlet pipelines have corresponding electric valves 4 respectively, and the combined ends can share one gate valve 5.

The connection end of the multiphase flow pump 7 and the water inlet pipeline adopts a multi-way first rotary joint 61, the first rotary joint 61 conveys water to the packing area 2 through a backflushing pipeline, and the backflushing electromagnetic valve 13 is configured in the backflushing pipeline, if the tail ends of the water inlet pipelines of the two treatment areas are combined, the first rotary joint 61 can be a four-way joint, namely, the water in the water inlet pipelines can be respectively and reversely conveyed to the backflushing pipelines on the two sides, and can also directly enter the multiphase flow pump 7. And when the back flushing electromagnetic valve 13 in the back flushing pipeline is opened, the back flushing process is carried out on the corresponding processing area.

The gas-liquid mixing outlet of the multiphase flow pump 7 is connected with a pressure bin 10, preferably, the pressure bin 10 is annular, so that a gas-liquid mixture forms a vortex in the pressure bin 10, and a pressure gauge 11 is arranged at the water outlet of the pressure bin 10. The water outlet of the pressure chamber 10 is also provided with a water outlet solenoid valve 133, the water outlet of the pressure chamber 10 is connected with the backflushing pipeline through a branch pipe 12, and the branch pipe 12 does not overflow under the condition that the corresponding backflushing solenoid valve 13 in the backflushing pipeline is not opened.

The multiphase flow pump 7 is provided with an air pipe 14 and an air flow meter 15 in order to control the amount of intake gas. The gas-liquid mixing outlet of the multiphase flow pump 7 is connected with a gas-liquid pipeline through a second adapter 62, wherein the first adapter 61 and the second adapter 62 are both in rubber soft connection. A check valve 9 is arranged in the gas-liquid pipeline to control the gas-liquid mixture entering the pressure cabin 10 to keep a stable state. In addition, the gas-liquid pipe is provided with an electrode point guard 8 to ensure the stability of the gas-liquid mixture delivery state.

As shown in fig. 4, the casing is circular, so that the section flow resistance is effectively reduced, the pressure chamber 10 adopts an annular design, so that the whole space distribution is more uniform and intensive, and a rain cover 16 and a hand grab rail 17 are arranged above the casing, so that the maintenance operation is convenient.

The technical principle of microbubble generation:

water is fed through the water inlet area 1, coarse filtration is carried out on the bottom of the filler area 2 and the water inlet area 1 through the arrangement of the porous sieve plate 18, the filler in the filler area 2 can further filter the water body, the filler can be selected from coal ash, biological ceramsite, gravel, zeolite and other composite fillers to be combined and matched, the adsorption and sedimentation effects of the matrix are achieved, and meanwhile, after the water is operated for a period of time, a biological film formed on the surface of the matrix by microorganisms can adsorb, absorb and degrade pollutants.

Under the suction action of the multiphase flow pump 7, negative pressure is formed in the closed water purification area 3, under the action of atmospheric pressure, water in the filler area 2 is pressed into the water purification area 3 and enters the multiphase flow pump 7 through a water inlet pipeline, a swirling flow is generated in the multiphase flow pump 7 through liquid, a negative pressure area is formed under the centrifugal action, air or pure oxygen (called as gas) enters the negative pressure area through an air flow meter 15 and an air pipe 14, a peripheral liquid zone and a central gas zone are formed in the multiphase flow pump 7, and the gas is uniformly cut into micro-bubbles under the action of the shearing force of an impeller.

When the gas-liquid mixture body gets into annular pressure storehouse 10, its section that overflows expands suddenly, and rivers violently collide in pressure storehouse 10, form the vortex rotation, mix the cutting to the gas-liquid. The water outlet pressure is adjusted by observing a pressure gauge 11 at the water outlet of the pressure chamber 10, and the gas-water ratio is controlled. Finally, the bubbles are further cut by connecting a microbubble generator 19, and finally 100nm-3 μm micro-nano bubbles are formed. As shown in fig. 5, the microbubble generator 19 may have a plurality of microbubble outlets, and may be uniformly distributed in the water.

Specifically, as shown in fig. 1, two sets of symmetrical processing areas respectively form an area a and an area B with the multiphase flow pump 7, so that the automatic backwashing operation steps are as follows (the electric valve 4 is divided into an electric valve 4-1 and an electric valve 4-2 corresponding to the area AB, respectively; similarly, the backwashing electromagnetic valve 13 is divided into a backwashing electromagnetic valve 13-1 and a backwashing electromagnetic valve 13-2 corresponding to the area AB, respectively):

(1) a first water stage: opening an electric valve 4-1, closing an electric valve 4-2, closing backwash electromagnetic valves 13-1 and 13-2, opening a water outlet electromagnetic valve 133, wherein an area A normally works, an area B stops working, the continuous working time is generally set to be 2-6h, setting and adjusting can be carried out according to the water quality condition of inflow water, and when the continuous working time of the equipment reaches the set duration, the equipment enters a backwash stage I;

(2) a first backwashing stage: opening an electric valve 4-2, closing the electric valve 4-1, opening a backwashing electromagnetic valve 13-1, closing the backwashing electromagnetic valve 13-2, closing a water outlet electromagnetic valve 133, starting backwashing in the area A at the moment, normally operating in the area B, and performing backwashing: after water enters the area B, the gas-liquid mixture enters the pressure bin 10 through the dissolved air action of the water inlet pipeline and the multiphase flow pump 7, the gas-liquid mixture enters the backflushing pipeline through the pressure bin 10 due to the closing of the water outlet electromagnetic valve 133 and the backflushing electromagnetic valve 13-2, gas-water combined backflushing is carried out on the packing area of the area A, washed filter residues return to the water body or sink to the bottom through the porous sieve plate 18, the backflushing duration time is generally set to be 1-2min, setting adjustment can be carried out according to the blocking condition of the packing area in a period of time, and when the backflushing duration time of the equipment reaches a set duration time, the equipment enters the;

(3) and a water inlet stage II: opening an electric valve 4-2, closing the electric valve 4-1, closing backwash electromagnetic valves 13-1 and 13-2, opening a water outlet electromagnetic valve 133, normally operating an area B at the moment, stopping operating the area A, setting the continuous operating time to be the same as that of the water inlet stage I, and entering the backwash stage II when the continuous operating time of the equipment reaches the set time;

(4) a back washing stage II: opening an electric valve 4-1, closing an electric valve 4-2, opening a backwashing electromagnetic valve 13-2, closing the backwashing electromagnetic valve 13-1, closing a water outlet electromagnetic valve 133, starting backwashing in the area A at the moment, normally operating in the area B, and setting the backwashing duration and the backwashing phase to be the same as in the above process.

Of course, the above illustration is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, so all equivalent changes made in the principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automatic back flush microbubble pure oxygen air-exposal all-in-one, includes the casing, its characterized in that: be equipped with two sets of treatment areas in the casing and pass through inlet channel and be connected with heterogeneous stream pump (7), treatment area is by outer toward interior in proper order for intake zone (1), filler district (2), water purification district (3) are connected with heterogeneous stream pump (7) through inlet channel, and dispose motorised valve (4) and slide valve (5) in the inlet channel, heterogeneous stream pump (7) adopt first adapter (61) of many ways with the link of inlet channel, first adapter (61) carry water to filler district (2) through the recoil pipeline, and dispose back flush solenoid valve (13) in the recoil pipeline, porous sieve board (18) are disposed to inlet zone (1) and filler district (2) bottom, the gas-liquid mixture outlet connection pressure storehouse (10) of heterogeneous stream pump (7), the delivery port of pressure storehouse (10) disposes delivery port solenoid valve (133), and the water outlet of the pressure bin (10) is connected with a backflushing pipeline through a branch pipe (12).

2. The automatic back-flushing microbubble pure oxygen air-exposure integrated machine according to claim 1, characterized in that: the pressure bin (10) is annular.

3. The automatic back-flushing microbubble pure oxygen air-exposition all-in-one machine as claimed in claim 1 or 2, which is characterized in that: the water outlet of the pressure bin (10) is also provided with a pressure gauge (11), and the water outlet is also connected with a microbubble generator (19).

4. The automatic back-flushing microbubble pure oxygen air-exposition all-in-one machine as claimed in claim 1 or 2, which is characterized in that: the multiphase flow pump (7) is provided with an air pipe (14) and an air flow meter (15).

5. The automatic back flush microbubble pure oxygen air-exposition all-in-one of claim 4, characterized in that: and a gas-liquid mixing outlet of the multiphase flow pump (7) is connected with a gas-liquid pipeline by adopting a second adapter (62), and a check valve (9) is arranged in the gas-liquid pipeline.

6. The automatic back-flushing microbubble pure oxygen air-exposition all-in-one machine according to claim 5, characterized in that: the first adapter (61) and the second adapter (62) are in soft connection through rubber.

7. The automatic back-flushing microbubble pure oxygen air-exposure integrated machine according to claim 1, characterized in that: a rainproof cover (16) and a hand grab rail (17) are arranged above the shell.