CN213060277U

CN213060277U - Novel external dissolved air flotation water treatment device

Info

Publication number: CN213060277U
Application number: CN202021722281.9U
Authority: CN
Inventors: 周翔
Original assignee: Wuxi Yuanshen Environmental Protection Equipment Co ltd
Current assignee: Wuxi Yuanshen Environmental Protection Equipment Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-04-27
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses a novel external dissolved air flotation water treatment device, including at least one water treatment unit, water treatment unit is including setting up the mixed water inlet channel that is used for being connected with the flotation tank in flotation tank outside, the mixed water inlet channel has mixed reaction pipeline through first flange joint, mixed reaction pipeline is connected with sewage inlet channel and dissolves the air water inlet channel, it passes mixed reaction pipeline to mixed reaction pipeline's inside to dissolve air water inlet channel, be equipped with in the mixed reaction pipeline and dissolve the gas releaser that dissolves the air water inlet channel and be connected, be located the outside sewage inlet channel of mixed reaction pipeline, it includes two at least sub-pipelines through second flange joint respectively to dissolve the air water inlet channel, each sub-pipeline, mixed reaction pipeline, be equipped with the first on-off control valve that the control flow circulates on the mixed water inlet channel respectively. The utility model discloses a low in production cost, the mediation is convenient after blockking up, can promote processing speed and water purification effect greatly, area and occupation space are little.

Description

Novel external dissolved air flotation water treatment device

Technical Field

The utility model relates to a novel external dissolved air flotation water treatment device.

Background

In the water treatment process, the traditional device is that a gas-dissolved water release head is arranged in an air flotation tank, and the gas-dissolved water release head releases dense micro bubbles after the pressure gas-dissolved water is subjected to pressure reduction and energy dissipation and adheres to flocs or other particulate matters in sewage in the air flotation tank, so that a bubble-floc aggregate with density smaller than that of water is formed and is easy to float to the water surface, and the result of solid-liquid separation is achieved.

However, the existing dissolved air water release head is easy to block in the actual application process, and high-pressure gas is required to flush even if the anti-blocking design is adopted, so that the matching cost is increased; moreover, because a plurality of dissolved gas water release heads are often required to be used together, actual application parameters such as experimental flow, pressure, gas-water ratio and the like need to be repeatedly and ceaselessly removed, the debugging is troublesome, and the joint high-efficiency work is difficult to realize; in addition, turbulence is inevitably caused due to principle reasons, so that large bubbles are generated, the use effect is reduced, and the height adjustment cannot be performed according to specific conditions generally, so that the use effect is poor.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a novel external dissolved air flotation water treatment device, it installs at the inside easy jam of air supporting case, the mediation is inconvenient, has increased extra supporting cost to aim at solving among the prior art dissolved air water release head to and a plurality of dissolved air water release head are difficult to realize common high-efficient work, easily produce turbulent flow and big bubble, the poor technical problem of result of use.

The technical scheme of the utility model is that: a novel external dissolved air floatation water treatment device comprises at least one water treatment unit, wherein the water treatment unit comprises a mixed water inlet pipeline which is arranged outside an air floatation tank and is used for being connected with the air floatation tank, the mixed water inlet pipeline is connected with a mixed reaction pipeline through a first flange, the mixed reaction pipeline is connected with a sewage inlet pipeline and a dissolved gas water inlet pipeline, dissolve gas water inlet channel and pass mixed reaction pipeline to mixed reaction pipeline's inside, be equipped with in the mixed reaction pipeline with dissolve the gas releaser that dissolves that gas water inlet channel connects, be located mixed reaction pipeline outside sewage inlet channel, dissolve gas water inlet channel include respectively through two at least sub-pipelines of second flange joint, each sub-pipeline mixed reaction pipeline still be equipped with the first on-off control valve that control rivers circulate on the mixed water inlet channel respectively.

Further, in the utility model discloses in mixed reaction pipeline includes the first mixed reaction sub-pipeline and the second mixed reaction sub-pipeline through third flange joint, be equipped with second on-off control valve on first mixed reaction sub-pipeline and the second mixed reaction sub-pipeline respectively.

Further, the utility model discloses in dissolve gas air supporting water treatment facilities is still including setting up at the outside dissolved gas water pitcher and the sewage house steward of air supporting case, it is connected with and dissolves the air water house steward to dissolve the air water pitcher, water treatment unit has a plurality ofly, each water treatment unit's sewage inlet channel, dissolve the air water inlet channel equally divide do not with sewage house steward and dissolve the air water house steward and connect.

Further, the utility model discloses in the upper and lower parallel of dissolved gas water pitcher and sewage house steward is arranged and is set up respectively in each water treatment unit's top and below, and each water treatment unit extends along dissolved gas water pitcher and sewage house steward and arranges.

Further, the utility model discloses in be located the inside mouth of pipe orientation of dissolving the gas water inlet channel of mixed reaction pipeline mixed water inlet channel sets up.

Compared with the prior art, the utility model has the following advantage:

1) the utility model discloses a dissolve gas air supporting water treatment facilities installs in the air supporting case outside, simple structure, sewage with dissolve air water can directly accomplish the intensive mixing contact in mixing the reaction tube, and let in the air supporting incasement by mixing the water inlet pipe and carry out follow-up solid-liquid separation, when breaking down or blockking up, only need close switch control valve and dismantle corresponding flange and can unpack the pipeline of jam apart the maintenance and change, be convenient for operate, convenient the maintenance can realize not stopping machine and overhaul, compare and will dissolve air water release head in prior art and install the structure inside the air supporting case, the utility model discloses need not to increase extra mediation supporting facility, manufacturing cost is lower, and it is more convenient to dredge after blockking up.

2) The utility model discloses in, each dissolved gas releaser sets up alone respectively, and the during operation does not influence each other, can avoid producing turbulent flow and big bubble well, and a plurality of dissolved gas releasers can handle sewage simultaneously high-efficiently, have promoted processing speed and water purification effect greatly.

3) The utility model discloses in, the overall arrangement of arranging of gas dissolving water pitcher, each water treatment unit, sewage house steward can reduce area and occupation space, guarantees sewage treatment volume simultaneously.

4) The utility model discloses in, the mouth of pipe through the gas water inlet channel that will dissolve is towards the setting of mixed water inlet channel, is favorable to promoting rivers rapid flow to mixed water inlet channel and lets in the air supporting incasement, and can reduce the probability of pipeline blocking.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a side view of the present invention;

fig. 3 is a schematic structural view of the water treatment unit of the present invention.

Wherein: 100. a water treatment unit; 1. an air flotation tank; 2. a mixed water inlet pipe; 3. a first flange; 4. a mixing reaction pipeline; 4a, a first mixed reaction sub-pipeline; 4b, a second mixed reaction sub-pipeline; 5. a sewage inlet pipeline; 6. a dissolved gas water inlet pipeline; 7. a dissolved air releaser; 8. a second flange; 9. a third flange; 10. a dissolved gas water tank; 11. a main sewage pipe; 12. a main pipe for dissolved gas and water.

Detailed Description

The following description will specifically explain embodiments of the present invention with reference to the accompanying drawings.

Example (b):

combine the attached drawing to show the utility model relates to a novel external dissolved air flotation water treatment facilities's embodiment, it mainly includes two water treatment unit 100, it is shown in combination figure 3, every water treatment unit 100 is all including setting up at 1 outside mixed water inlet channel 2 that is used for being connected with air supporting box 1 of air supporting box, mixed water inlet channel 2 is connected with mixed reaction pipeline 4 through first flange 3, mixed reaction pipeline 4 is connected with sewage inlet channel 5 and dissolves gas water inlet channel 6, it passes mixed reaction pipeline 4 to mixed reaction pipeline 4's inside to dissolve gas water inlet channel 6, and dissolve the mouth of pipe of gas water inlet channel 6 and set up towards mixed water inlet channel 2, still be equipped with in the mixed reaction pipeline 4 and dissolve the gas releaser 7 that dissolves gas water inlet channel 6 and be connected.

The sewage water inlet pipe 5 and the dissolved gas water inlet pipe 6 which are positioned outside the mixed reaction pipeline 4 respectively comprise at least two sub-pipelines connected through a second flange 8, and first switch control valves for controlling water flow circulation are respectively arranged on each sub-pipeline, the mixed reaction pipeline 4 and the mixed water inlet pipe 2. The first flange 3 and the second flange 8 are used for connecting two pipelines, and the first switch control valve is used for preventing water from flowing backwards when the two pipelines connected with the flanges are separated.

In this embodiment, the mixed reaction pipeline 4 includes a first mixed reaction sub-pipeline 4a and a second mixed reaction sub-pipeline 4b connected by a third flange 9, and the first mixed reaction sub-pipeline 4a and the second mixed reaction sub-pipeline 4b are respectively provided with a second on-off control valve. The third flange 9 is used for connecting two pipelines, and the second switch control valve is used for preventing water from flowing backwards when the flange is detached to separate the two connected pipelines.

In addition, as shown in fig. 1 and 2, the dissolved air flotation water treatment device further includes a dissolved air water tank 10 and a sewage main pipe 11 which are arranged outside the air flotation tank 1, the dissolved air water tank 10 is connected with a dissolved air water main pipe 12, and the sewage inlet pipes 5 and the dissolved air water inlet pipes 6 of the two water treatment units 100 are respectively connected with the sewage main pipe 11 and the dissolved air water main pipe 12.

In this embodiment, the water-soluble tank 10 and the main sewage pipe 11 are arranged in parallel from top to bottom and are respectively arranged above and below the two water treatment units 100, and the two water treatment units 100 are arranged along the water-soluble tank 10 and the main sewage pipe 11 in an extending manner.

The specific during operation of this embodiment, sewage flows into respectively in the sewage inlet channel 5 of two water treatment unit 100 through sewage house steward 11, through first switch control valve and second flange 8, get into respectively in two hybrid reaction pipeline 4, dissolved gas water pitcher 10 lets in dissolved gas water among the water-soluble house steward 12, dissolved gas water flows into respectively in the dissolved gas water inlet channel 6 of two water treatment unit 100, through first switch control valve and second flange 8, release by dissolved gas releaser 7, get into respectively in two hybrid reaction pipeline 4, sewage and dissolved gas water mix in two hybrid reaction pipeline 4, direct completion abundant contact in the pipeline, let in the flotation tank 1 by hybrid water inlet channel 2 through corresponding first switch control valve and first flange 3 respectively at last and carry out subsequent processing.

The utility model discloses a dissolved air flotation water treatment device is installed outside the air flotation tank 1, the structure is simple, the structural design and the arrangement layout of the dissolved air water tank 10, each water treatment unit 100 and the sewage header pipe 11 can reduce the occupied area and the occupied space, and simultaneously the sewage treatment capacity is ensured, sewage and dissolved air water can directly complete the full mixing contact in the mixed reaction pipeline 4, and the mixed water inlet pipeline 2 is led into the air flotation tank 1 for subsequent solid-liquid separation; when breaking down or blockking up, only need close the on-off control valve then dismantle corresponding flange and can unpack the pipeline of jam apart the maintenance and change, the operation of being convenient for, convenient maintenance can realize not shutting down and overhauls, compares in prior art and will dissolve the structure that air water release head installed at the inside of air supporting box, the utility model discloses need not to increase extra mediation supporting facility, manufacturing cost is lower, and the mediation is convenient after blockking up.

In addition, each dissolved air releaser 7 of the utility model is separately arranged, which does not affect each other during working, can well avoid generating turbulence and large bubbles, and a plurality of dissolved air releasers 7 can simultaneously and efficiently treat sewage, thereby greatly improving the treatment speed and the water purification effect; and the mouth of pipe through the gas water inlet pipe 6 that will dissolve sets up towards mixed water inlet pipe 2, can be favorable to promoting rivers rapid flow to mixed water inlet pipe 2 and let in the flotation tank 1 in, can reduce the probability of pipeline jam.

The above-mentioned embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which should not be construed as limiting the scope of the present invention. All modifications made according to the spirit of the main technical scheme of the present invention shall be covered within the protection scope of the present invention.

Claims

1. The utility model provides a novel external dissolved air flotation water treatment device which characterized in that: including at least one water treatment unit (100), water treatment unit (100) is including setting up at the outside mixed water inlet pipe (2) that is used for being connected with air supporting box (1) of air supporting box (1), mixed water inlet pipe (2) are connected with mixed reaction pipeline (4) through first flange (3), mixed reaction pipeline (4) are connected with sewage inlet pipe (5) and dissolved air water inlet pipe (6), dissolved air water inlet pipe (6) pass mixed reaction pipeline (4) to the inside of mixed reaction pipeline (4), be equipped with in mixed reaction pipeline (4) with dissolved air water releaser (7) that dissolved air water inlet pipe (6) are connected is located mixed reaction pipeline (4) outside sewage inlet pipe (5), dissolved air water inlet pipe (6) include respectively through two at least sub-pipelines that second flange (8) are connected, and first switch control valves for controlling water flow circulation are respectively arranged on each sub-pipeline, the mixed reaction pipeline (4) and the mixed water inlet pipeline (2).

2. The novel external dissolved air flotation water treatment device of claim 1, wherein: the mixed reaction pipeline (4) comprises a first mixed reaction sub-pipeline (4a) and a second mixed reaction sub-pipeline (4b) which are connected through a third flange (9), and second switch control valves are respectively arranged on the first mixed reaction sub-pipeline (4a) and the second mixed reaction sub-pipeline (4 b).

3. The novel external dissolved air flotation water treatment device of claim 1, wherein: dissolve gas air supporting water treatment facilities still including setting up at the outside dissolved gas water pitcher (10) of air supporting case (1) and sewage house steward (11), dissolved gas water pitcher (10) are connected with and dissolve air water header (12), water treatment unit (100) have a plurality ofly, sewage inlet channel (5), the dissolved air water inlet channel (6) of each water treatment unit (100) equally divide do not with sewage house steward (11) and dissolved air water header (12) are connected.

4. The novel external dissolved air flotation water treatment device of claim 3, wherein: the dissolved air water tank (10) and the sewage main pipe (11) are arranged in parallel from top to bottom and are respectively arranged above and below each water treatment unit (100), and each water treatment unit (100) is arranged along the dissolved air water tank (10) and the sewage main pipe (11) in an extending mode.

5. The novel external dissolved air flotation water treatment device of claim 1, wherein: the mouth of pipe of the dissolved gas water inlet pipeline (6) positioned in the mixed reaction pipeline (4) faces the mixed water inlet pipeline (2).