CN207811313U - A kind of gas floatation separation device of long weir water outlet - Google Patents

Abstract

The utility model discloses a kind of gas floatation separation devices of long weir water outlet, the container of water inlet pipe is set including front end, it is respectively equipped with cowling panel along its length in the two side of the container, container is divided into intermediate Disengagement zone and both sides exhalant region, the two side of the container as effluent weir and is respectively equipped with corresponding catch basin.Due to being respectively equipped with cowling panel, downflow weir and catch basin, the equipment of same floor space in the two side of container along its length, mud/water separative efficiency improves 2~12 times.

Description

A kind of gas floatation separation device of long weir water outlet

Technical field

The utility model belongs to water treatment facilities, and in particular to a kind of gas floatation separation device of long weir water outlet.

Background technology

Sewage detaches dirt after the molten gas that flocculates, by the floating point of wherein method of sludge and flocculation+precipitation of gas floatation separation device Mud is the same, is one of the common method of sewage physicochemical purification.As shown in Figure 1, when existing advection gas floatation separation device operation, sewage Enter molten gas lift stream area from the front end of floating partial volume device, enters back into the floating subregion of advection and reach container tail along the length direction advection of container End（Water outlet）, in this course, the mud granule for being stained with micro air bubble rises to liquid level, in the middle part of container and tail end Mud layer is formed, spoil disposal is removed into mud groove through mud guiding plate or bagger by mud-scraping machine.Sewage then flows through below mud groove, then flows up Afterwards gathering ground is flowed into from the wide downflow weir of container.The mud granule that part fails to adhere to enough micro air bubbles then enters with water Lower one of cleaning procedure.

Since the manufacture difficulty by soil discharging facility is limited, the impossible design of size for floating partial volume device is excessive, therefore, this floating Point method is generally only applied to the sewage treatment project of middle or small water.And the effect of floating point of sludge（Separation rate）It is not easy to protect Card.Water is larger or device fabrication condition is by limited time, this dissolved air flotation container is also mostly used brick sand or steel concrete is material build. But it equally exists and requires big to pond face and run the deficiencies of water is little, mud-water separation effect is unstable.

Utility model content

The purpose of this utility model is to provide a kind of gas floatation separation devices of long weir that mud-water separation effect is good water outlet.

The technical scheme adopted for realizing the purpose of the utility model is as follows：

The gas floatation separation device of long weir water outlet provided by the utility model, including front end set the container of water inlet pipe, the appearance It is respectively equipped with cowling panel along its length in the two side of device, container is divided into intermediate Disengagement zone and both sides exhalant region, it is described The two side of container is as effluent weir and is respectively equipped with corresponding catch basin.

The gas floatation separation device of the long weir water outlet of another kind provided by the utility model, including front end set the container of water inlet pipe, It is respectively equipped with cowling panel along its length in the two side of the container, container, which is divided into intermediate Disengagement zone and both sides, to be discharged Area is respectively equipped with the catch basin as downflow weir between the two side and cowling panel of the container.

The tail end of the container, which is equipped with, to be scraped mud and blocks water slope.

The bottom of the container is equipped with collection mud mud-removing bucket or collection mud spoil disposal ditch.

It is equipped at intervals with several connecting pieces between the side wall and cowling panel of the container.

The beneficial effects of the utility model

1, same to take up an area due to being respectively equipped with cowling panel, downflow weir and catch basin along its length in the two side of container The equipment of area, mud/water separative efficiency improve 2~12 times.

Through object test, compared with the single advection air-flotation separation equipment of tradition, extension set is floated on the long weir of same lumen volume Mud-water separation efficiency improves 2~12 times, and remaining mud amount is few in water outlet, and operational effect is stable, reliable, has saved sewage and has subsequently located The difficulty and operating cost of reason.

2, the equipment of same processing capacity saves the floor space 80% of equipment installation.

Since separative efficiency improves, when same treatment water, single barrel of saving volume 80%, floor space is reduced about when installation 80%。

3, device structure is convenient for contamination control and comprehensive utilization without dead angle.

The Disengagement zone of equipment（Subregion is floated in water inlet）, exhalant region（Flow up exhalant region）Sum aggregate mud spoil disposal is logical hollow structure, side Just it is cleaned comprehensively, for the strong organic sewage of biodegradability（Such as food processing sewage, Chinese patent drug sewage）, it can be achieved that cleaning Operation prevents from causing air dirty because of dead mud corruption under normal conditions, in sewage plant with the relevant equipment of mud, meanwhile, it can protect Hold separated sludge it is fresh, convenient for comprehensively utilizing to make a profit.

The technical solution of the utility model is further illustrated below in conjunction with the accompanying drawings.

Description of the drawings

Fig. 1 is the structural schematic diagram of existing gas floatation separation device.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is the vertical view of the utility model embodiment 1.

Fig. 4 is sectional view along AA in Fig. 3.

Fig. 5 be in Fig. 3 BB to sectional view.

Fig. 6 be in Fig. 3 CC to sectional view.

Fig. 7 is the vertical view of the utility model embodiment 2.

Fig. 8 is the sectional view of the utility model embodiment 2.

Specific implementation mode

Embodiment 1

See that Fig. 2 to 6, the gas floatation separation device of long weir water outlet provided by the utility model, including front end set the length of water inlet pipe 7 Square container 1 is respectively equipped with cowling panel 2 in the two side 3 of the container 1, container 1 is divided into intermediate separation along its length Area a and both sides exhalant region b, the two side of the container is equipped with several apopores 301 and is used as downflow weir, and is respectively equipped with corresponding Catch basin 4, the tail end of container 1, which is equipped with, to be scraped mud and blocks water slope 6, and the bottom of container 1 is equipped with several collection mud mud-removing buckets 9, the side wall of container 1 Several connecting pieces 5 are equipped at intervals between cowling panel 2, whole container 1 is supported by column 8.

Flow of the sewage in equipment is as follows：The sewage promoted from sewage collecting basin by operation pump, in pipeline or intakes After the areas Rong Qi complete molten medicine flocculation and molten gas, the Disengagement zone a of container 1 is entered from water inlet pipe 7, first after advection/drop stream, from rectification Enter exhalant region b under plate 2；In exhalant region b using even cloth/up-flow, clear water is flowed from the downflow weir apopore 301 of two sides Go out, enter lower one of purified treatment process through catch basin 4；Sludge Disengagement zone a floating to liquid level scrape mud block water slope 6 formed mud Layer, is scanned out by mud-scraping machine, falls into sludge collecting pit through mud guiding plate；A small amount of sludge for not forming floating trend, flowed up in sewage Cheng Zhong, it leaves water body and sinks to bottom collection mud mud-removing bucket 9, periodically flow back to sewage collecting basin, reprocessed with follow-up sewage, also may be used It is directly discharged into collection mud sump, by Treatment of Sludge.

According to different processing water requirements, the bottom of container 1 can also be used the design of mud ditch, and the including of sludge width 1m/ The discharge of mud combination machine is inhaled, the mud that sinks in ditch is discharged into sludge-tank by the sludge pump of combination machine or flows back to sewage collecting basin.

The flocculating of the utility model water inlet, molten gas, may be used the various sides applied in current industry, in air-float technology Method, such as pressure air-dissolving method, cavitation air soluble method and diffusion air soluble method.

Embodiment 2

See Fig. 7, Fig. 8, the present embodiment is with embodiment 1 except that water outlet is using double weirs catch basin, in 1 two side of container The catch basin 4 as downflow weir is respectively equipped between 3 and cowling panel 2, the front end of container 1 is equipped with cavitation Rong Qi area c, bottom one Road longitudinally collects mud spoil disposal ditch 10.

When work, sewage is conveyed by pump, completes to enter the areas the cavitation Rong Qi bottoms c after mixing medicine in pipeline, with quick runner Enter container 1 after the micro air bubble mixing of offer, mud granule rises to sewage level, formation because of the buoyancy that micro air bubble generates Mud layer scrapes the mud-scraping machine that mud blocks water on slope 6 by being installed on 1 rear portion of container and scans out separating barrel, falls into collection mud sump（Or bucket）.Sewage exists Along the length direction advection of container 1 and stream drops in intermediate Disengagement zone a（Flat/downmix interflow）, then enter both sides under cowling panel 2 After completing dispersion/up-flow, catch basin is flowed into from the two side walls of the isometric catch basin as effluent weir of container 1 by exhalant region b It is interior, into subsequent purification process.

Claims (6)

1. a kind of gas floatation separation device of long weir water outlet, including front end set the container of water inlet pipe, it is characterized in that the two of the container Cowling panel is respectively equipped in side wall along its length, container is divided into intermediate Disengagement zone and both sides exhalant region, the container Two side is as effluent weir and is respectively equipped with corresponding catch basin.

2. a kind of gas floatation separation device of long weir water outlet, including front end set the container of water inlet pipe, it is characterized in that the two of the container Cowling panel is respectively equipped in side wall along its length, container is divided into intermediate Disengagement zone and both sides exhalant region, the container The catch basin as downflow weir is respectively equipped between two side and cowling panel.

3. the gas floatation separation device of long weir water outlet according to claim 1 or 2, it is characterized in that the tail end of the container is equipped with Mud is scraped to block water slope.

4. the gas floatation separation device of long weir water outlet according to claim 1 or 2, it is characterized in that the bottom of the container is equipped with Collect mud mud-removing bucket or collection mud spoil disposal ditch.

5. the gas floatation separation device of long weir water outlet according to claim 3, it is characterized in that the bottom of the container is equipped with collection Mud mud-removing bucket or collection mud spoil disposal ditch.

6. the gas floatation separation device of long weir water outlet according to claim 5, it is characterized in that the side wall of the container and rectification Several connecting pieces are equipped at intervals between plate.