CN210559676U - Integrative water purification unit is strained to flocculation flotation - Google Patents

Abstract

A flocculation-floatation-filtration integrated water purification device integrates flocculation, air flotation and filtration. The structure divide into two-layer steel structure from top to bottom, and the upper strata is flocculation, air supporting pond, and the lower floor is the homogeneity filtering pond, and the raw water gets into the upper strata and gets into the air supporting district along with the bubble of dissolved air pump after the net flocculation treatment, brings the oil reservoir on air supporting district upper strata, floater into the blow-off pipe through scraping the foam machine and discharges under the air supporting effect, and the water overflow after the air supporting treatment is to the filtering area of lower floor, through filtration treatment under the effect of homogeneity filter material, reaches the play water quality of water requirement.

Description

Integrative water purification unit is strained to flocculation flotation

Technical Field

The utility model belongs to the water purification treatment field especially relates to an integrative water purification unit is strained to flocculation float.

Background

In the aspect of water purification treatment, when the water body contains oil floating substances, an air floatation process is adopted, most air floatation devices adopted in the current market can have an air floatation effect, but do not have an integrated filtering effect, and are air floatation and filtering split type or sequentially arranged equipment, so that the arrangement mode is large in occupied area, high in construction cost and large in later-period operation and maintenance workload.

In view of the above situation, in order to meet the social requirement on the quality of the discharged water, the utility model discloses personnel have done serious analysis and research, provide the utility model technical scheme that can solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a flocculation floats and strains integrative water purification unit to the not enough of above-mentioned prior art to solve above-mentioned technical problem.

The utility model provides a technical scheme as follows of above-mentioned problem, a kind of all kinds of integrative water purification unit of straining floats, with flocculation, air supporting, filter synthetic an organic whole, arranges as upper and lower bilayer structure, flocculation, air supporting technology on upper portion, and filtration technology is in the lower part. The method comprises the following steps: flocculation area, dissolved air district, dissolved air pump, air supporting district, froth scraper, blow off pipe, clear water district, mud pipe, transition district, guide plate, filtering area, backwash blow off pipe, backwash pipe, inlet tube, outlet pipe.

The equipment structure is divided into an upper layer and a lower layer, wherein the upper layer is a flocculation and air flotation tank, the lower layer is a homogeneous filter tank, a water inlet pipe is arranged at one side of a flocculation area, the water inlet pipe is connected with a flocculation pump, and the other side of the flocculation area is communicated with an air dissolving area of the air flotation area; be equipped with dissolved air pump in the clear water district, froth scraper intercommunication dross blow off pipe is scraped in the installation of air supporting district upper portion, and air supporting district opposite side is the clear water district, is equipped with the sludge discharge pipe in air supporting district lower part, sets up middle transition district between upper strata and the lower floor, is equipped with the guide plate lower floor in transition district one side and is the filtering area, is equipped with the backwash blow off pipe on the filtering area sand layer, and the blow off pipe bottom is in the sand layer below, and the sand layer has the backwash pipe, and the backwash pipe connects the backwash pump outward, the filtering area sub-unit connection outlet pipe.

Raw water enters the equipment from the upper layer, a flocculation dosing pump is arranged at a water inlet pipe to dose a flocculating agent to enter a flocculation area, the raw water flows into a dissolved air area from the bottom after flocculation treatment in the flocculation area, the raw water enters the upper layer and enters an air flotation area along with bubbles of the dissolved air pump after flocculation treatment, an oil layer and floaters on the upper layer of the air flotation area are brought into a sewage pipe to be discharged under the action of air flotation through a foam scraping machine, the water after air flotation treatment overflows to a filtering area on the lower layer, and the water after air flotation treatment is subjected to filtering treatment under the action of a homogeneous filtering material to meet the requirement of. The bottom of the dissolved air zone is fed with air through a dissolved air pump, and bubbles along with the dissolved air pump enter the air flotation zone. Under the action of air flotation, an oil layer and floating materials on the upper layer of the air flotation area are brought into a sewage pipe through a foam scraping machine to be discharged, water subjected to air flotation treatment overflows to a clear water area, the clear water area overflows to a transition area on the lower layer through a guide plate after being full of water, enters a filtering area arranged by homogeneous filtering materials from the transition area, and is subjected to filtering treatment under the action of the homogeneous filtering materials to meet the requirement of the quality of the discharged water. And an air floating pump is arranged at the clean water area and operates by utilizing the water in the clean water area. When the air flotation zone operates for a period of time, sludge is generated at the bottom, and the valve at the sludge discharge pipe is opened to discharge the sludge at the bottom. After the filtration zone operation a period, the filter effect does not reach the valve of closing outlet pipe department when expecting, opens the backwash inlet valve, carries out the backwash treatment through the backwash pump to the filter material, and the backwash sewage valve is opened and is discharged through the backwash blow off pipe to reach the washing mesh, close blow off pipe department valve after treating the backwash, resume normal product water.

Drawings

The present invention will now be described with reference to the accompanying drawings, in which: fig. 1 is a schematic structural diagram of an embodiment of the present invention.

The numbering in the drawings is depicted as:

1. flocculation district, 2, dissolved air district, 3, dissolved air pump, 4, air supporting district, 5, froth scraper, 6, blow off pipe, 7, clean water district, 8, mud pipe, 9, transition district, 10, guide plate, 11, filtering area, 12, backwash blow off pipe, 13, backwash pipe, 14, inlet tube, 15, outlet pipe.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.

In this embodiment, a integrative water purification unit is strained to flocculation flotation includes: the inlet tube 14 is arranged to 1 one side in flocculation district, the flocculation pump is connected to inlet tube department, the opposite side communicates with the gas dissolving district 2 in air supporting district, clear water district 7 is equipped with dissolved air pump 3, 4 upper portions in air supporting district installation froth scraper 5 intercommunication dross blow off pipe 6, 4 opposite sides in air supporting district are clear water district 7, 4 lower parts in air supporting district are equipped with sludge discharge pipe 8, set up middle transition 9 between upper strata and the lower floor, 9 one side in middle transition is equipped with guide plate 10 lower floor and is filtering area 11, be equipped with backwash blow off pipe 12 on the filtering area sand bed, the blow off bottom is in the sand bed below, the sand bed has backwash pipe 13, the external backwash pump of backwash pipe 13, 11 sub-unit connection outlet pipe 15 in filtering area.

In some optional embodiments, the flocculation, floating and filtration integrated water purification equipment is in a split type or sequentially arranged, the overall occupied area is large, the layout is unreasonable, and space waste is caused.

Specifically, the structure divide into two-layer steel structure about, and the upper strata is flocculation, air supporting pond, and the lower floor is the homogeneity filtering pond, and the raw water gets into the upper strata and gets into the air supporting district along with the bubble of dissolved air pump after the net flocculation treatment, brings the oil reservoir on air supporting district upper strata, floater into the blow-off pipe through scraping the foam machine and discharges under the air supporting effect and discharges, and the water overflow after the air supporting treatment is to the filtering area of lower floor, through filtration treatment under the effect of homogeneity filter material, reaches the play water quality of water requirement.

In some optional embodiments, the flocculation and floating filtration integrated water purification equipment adopts partition flocculation, the partition spacing is too narrow, construction and maintenance are inconvenient, and when the flow change is large, the flocculation effect is unstable. In order to solve the above problems, mesh flocculation is adopted in this example.

Specifically, raw water enters the equipment from the upper layer, a flocculation adding pump is arranged at the position of the water inlet pipe 14, a flocculating agent is added into the flocculation area 1, the flocculation area 1 adopts a grid flocculation structure, and the raw water flows into the gas dissolving area 2 from the bottom after flocculation treatment in the flocculation area.

In some optional embodiments, the flocculation and floatation integrated water purification equipment is characterized in that water treated in the flocculation area directly enters the filtration area from the air floatation area, the filtration effect is poor, in order to solve the problems, a transition area is arranged between the air floatation area and the filtration area, and a guide plate is arranged in the transition area to enhance the filtration effect through flow guiding.

Specifically, the bottom of the dissolved air zone is filled with air through the dissolved air pump 3, and air bubbles along with the dissolved air pump enter the air floating zone 4.

Under the action of air flotation, oil layers and floating materials on the upper layer of the air flotation area are brought into a drain pipe 6 through a foam scraping machine 5 to be discharged, water subjected to air flotation treatment overflows to a clear water area 7, after the clear water area is full of water, overflows from a guide plate 10 to a transition area 9 on the lower layer, enters a filtering area 11 arranged by homogeneous filtering materials from the transition area, and is subjected to filtering treatment under the action of the homogeneous filtering materials, so that the requirement of the quality of the discharged water is met.

In some optional embodiments, the flocculation and floatation integrated water purification equipment is not additionally provided with a backwashing system of the filtering area or is additionally provided with the backwashing area, and the floor area is increased.

Specifically, the clear water area is provided with an air floating pump which operates by utilizing the clear water area water. When the air flotation zone 4 operates for a period of time, sludge is generated at the bottom, and the valve at the sludge discharge pipe 8 is opened to discharge the sludge at the bottom.

After 11 operation periods in filtering area, the filter effect does not reach the valve of closing 15 departments of outlet pipe when expecting, opens the backwash inlet valve, carries out the backwash treatment through the backwash pump to the filter material, and backwash sewage valve is opened and is discharged through backwash blow off pipe 12 to reach the washing mesh, treat to close blow off pipe department valve after the backwash, resume normal product water.

In the description herein, reference to the term "implementation example" means that a particular method, apparatus, or feature described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, methods, apparatuses, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides an integrative water purification unit is strained to flocculation flotation which characterized in that includes: the device comprises a flocculation area (1), an air dissolving area (2), an air dissolving pump (3), an air floating area (4), a foam scraping machine (5), a blow-off pipe (6), a clear water area (7), a sludge discharge pipe (8), a transition area (9), a guide plate (10), a filtering area (11), a backwashing blow-off pipe (12), a backwashing pipe (13), a water inlet pipe (14) and a water outlet pipe (15);

a water inlet pipe (14) is arranged on one side of the flocculation area (1), a flocculation pump is connected to the water inlet pipe, and the other side of the flocculation area is communicated with the air dissolving area (2) of the air floatation area; the clean water area (7) is provided with a dissolved air pump (3), the upper part of the air flotation area (4) is provided with a foam scraper (5) which is communicated with a scum blow-off pipe (6), the other side of the air flotation area (4) is provided with the clean water area (7), the lower part of the air flotation area (4) is provided with a sludge discharge pipe (8), and a middle transition area (9) is arranged between the upper layer and the lower layer; middle transition district (9) one side is equipped with guide plate (10) lower floor and is filtering area (11), is equipped with backwash blow off pipe (12) on the filtering area sand bed, and the blow off pipe bottom is in the sand bed below, and the sand bed has backwash pipe (13), and backwash pipe (13) external backwash pump, filtering area (11) sub-unit connection outlet pipe (15).

2. The flocculation and flotation integrated water purification device according to claim 1, wherein the device is a steel upper and lower double-layer structure.

3. The flocculation-flotation-filtration integrated water purification device as claimed in claim 1, wherein the flocculation area (1) is a grid flocculation.

4. A flocculation, flotation and filtration integrated water purification device according to claim 1, wherein a guide plate (10) is arranged in the air flotation zone (4) and the filtration zone (11) to guide the water to the transition zone (9), so that the filtration effect is enhanced.

5. The flocculation and flotation integrated water purification device as claimed in claim 1, wherein a backwashing system is additionally arranged on the filtering area (11) through a backwashing pipeline.

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