CN206384881U - A kind of sludge condensation type air-floating apparatus - Google Patents

A kind of sludge condensation type air-floating apparatus Download PDF

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Publication number
CN206384881U
CN206384881U CN201720038707.0U CN201720038707U CN206384881U CN 206384881 U CN206384881 U CN 206384881U CN 201720038707 U CN201720038707 U CN 201720038707U CN 206384881 U CN206384881 U CN 206384881U
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China
Prior art keywords
flotation tank
sludge
air
water
guide shell
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CN201720038707.0U
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Chinese (zh)
Inventor
张进
胡晋明
强红
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Shen Qin Water Treatment Technology (shanghai) Co Ltd
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Shen Qin Water Treatment Technology (shanghai) Co Ltd
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Abstract

The utility model discloses a kind of sludge condensation type air-floating apparatus, including flotation tank and guide shell, the guide shell is vertically arranged in the flotation tank center and extended from the bottom of the flotation tank to middle part, the top of the flotation tank is provided with Slag Scraping Device and the sludge bucket being arranged on below the Slag Scraping Device, the flotation tank bottom is provided with discharge outlet, water inlet and dissolved air water entrance, the discharge outlet is arranged on outside the guide shell, water inlet and the dissolved air water entrance is arranged on the bottom of the guide shell, the water inlet connects water inlet pipe, the water inlet pipe is provided with intake pump, the dissolved air water entrance is connected to drainpipe through dissolved air water pipe, the dissolved air water pipe is provided with air dissolved pump, mouth is arranged provided with sludge in the bottom of the sludge bucket, the sludge row mouth is provided with the discharge pipeline extended to outside the flotation tank.The sludge condensation type air-floating apparatus that the utility model is provided, the mud-water separation available for high concentration suspended matter waste water.

Description

A kind of sludge condensation type air-floating apparatus
Technical field
The utility model is related to technical field of sewage, more particularly to a kind of sludge condensation type air-floating apparatus.
Background technology
Air-floating apparatus is in mixed liquor, to be passed through a large amount of intensive microbubbles, it is mutually adhered to fine impurity in water, shape Integral proportion is less than " gas-solid " flco mixture of water, and water surface formation scum silica frost is floated up to by buoyancy, then will by Slag Scraping Device It strikes off, so as to reach the purpose of suspended impurity in water removal.
Conventional air-floating apparatus includes pond body, water pump, air compressor, pressure air-dissolving tank.Water pump and air compressor connection Pressure air-dissolving tank, what dissolved air water pipeline one end was connected with pressure air-dissolving tank, the other end enters flotation tank, and flotation tank bottom is provided with clear water Above collection device, flotation tank sludge is collected provided with scraper plate.This general 0.5-0.8m of flotation tank height, the scum silica frost of generation needs Strike off in time, and need to add coagulant, flocculant, it is this to improve the chance that suspension is caught by microbubble in waste water Equipment is generally used for SS1000-2000mg/L low suspended wastewater.
During mud-water separation for high suspended matter waste water, such as floc sludge anaerobic effluent, bubble utilization rate is low need it is logical Enter substantial amounts of dissolved air water increase energy consumption, and because Disengagement zone is smaller, water outlet, the disturbance of dissolved air water are easily destroyed sludge blanket, make The sludge of floating is come back in water, reduces separating effect, and dosing can produce toxicity to anaerobic sludge.Therefore this routine Air-floating apparatus and do not apply to.The utility model is therefore.
Utility model content
The utility model purpose is to provide a kind of sludge condensation type air-floating apparatus, and it can be used for waste water containing high concentration suspended matter Mud-water separation.
Based on above mentioned problem, one of technical scheme that the utility model is provided is:
A kind of sludge condensation type air-floating apparatus, including flotation tank and guide shell, the guide shell are vertically arranged in the gas Fu Chi centers are simultaneously extended from the bottom of the flotation tank to middle part, and the top of the flotation tank is provided with Slag Scraping Device and is arranged on described Sludge bucket below Slag Scraping Device, the flotation tank bottom is provided with discharge outlet, water inlet and dissolved air water entrance, and the discharge outlet is set Outside the guide shell, water inlet and the dissolved air water entrance is arranged on the bottom of the guide shell, the water inlet connect into Water pipe, the water inlet pipe is provided with intake pump, and the dissolved air water entrance is connected to drainpipe, the dissolved air water pipe through dissolved air water pipe Air dissolved pump is provided with, mouth is arranged in the bottom of the sludge bucket provided with sludge, and the sludge row mouth, which is provided with, to be extended to outside the flotation tank Discharge pipeline.
In some embodiments wherein, the bottom of the flotation tank is provided with collector pipe, the collector pipe it is annular in shape and Outer wall is perforated provided with several, and the collector pipe is set in the outside of the guide shell, the delivery port connection of the collector pipe To the discharge outlet.
In some embodiments wherein, the bottom of the flotation tank is provided with multiple slag-drip openings.
In some embodiments wherein, the flotation tank is tapered.
In some embodiments wherein, the height of the flotation tank is 2~3 meters.
Based on above mentioned problem, the two of the technical scheme that the utility model is provided is:
A kind of sludge condensation type air-floating apparatus, the air-floating apparatus is arranged in anaerobic reactor, including flotation tank and is led Flow cartridge, the guide shell is vertically arranged in the flotation tank center and extended from the bottom of the flotation tank to middle part, the gas Floating bottom of pond portion is provided with discharge outlet, water inlet and dissolved air water entrance, and the discharge outlet is arranged on outside the guide shell and the row of being connected with Water pipe, water inlet and the dissolved air water entrance is arranged on the bottom of the guide shell, and the dissolved air water entrance is through dissolved air water Guan Lian The drainpipe is connected to, the dissolved air water pipe is provided with air dissolved pump, and overflow is returned the sludge that the flotation tank is isolated by top In anaerobic reactor.
In some embodiments wherein, the bottom of the flotation tank is provided with collector pipe, the collector pipe it is annular in shape and Outer wall is perforated provided with several, and the collector pipe is set in the outside of the guide shell, the delivery port connection of the collector pipe To the discharge outlet.
In some embodiments wherein, the air dissolved pump suction inlet is connected to the anaerobic reactor through biogas pipeline Biogas row mouth, the biogas pipeline be provided with biogas storage device.
In some embodiments wherein, support is provided with the anaerobic reactor, the flotation tank is fixed on described On support.
Compared with prior art, the utility model has the advantages that:
1. using the technical solution of the utility model, flotation tank is highly 2-3m, deep layer air supporting can be achieved, in flotation tank Thick sludge blanket is formed at top, it is to avoid the invalid release of molten gas, improves microbubble utilization rate;
2. use the technical solution of the utility model, the outside of guide shell is Disengagement zone, and Disengagement zone is big, and waste water is from guide shell Disengagement zone is diffused into circumference, it is to avoid disturbance is produced to Disengagement zone and scum layer;
3. using the technical solution of the utility model, floatation thickening process does not add medicament, does not interfere with sludge after concentration Activity;
4. using the technical solution of the utility model, dissolved air water is prepared by air dissolved pump, produces efficiency high, and device is simple, Air compressor machine, dissolving system are eliminated, energy consumption and place is saved;
5. using the technical solution of the utility model, ring-type collector pipe is used in Disengagement zone, draining can be avoided to scum layer Agitation is produced, effluent quality is improved.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, required in being described below to embodiment The accompanying drawing used is briefly described, and drawings in the following description are only some embodiments of the present utility model, for ability For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached Figure.
Fig. 1 is a kind of structural representation of sludge condensation type air-floating apparatus embodiment 1 of the utility model;
Fig. 2 is the structural representation of the utility model embodiment 2;
Wherein:
1st, flotation tank;1-1, water inlet;1-2, dissolved air water entrance;1-3, discharge outlet;1-4, slag-drip opening;
2nd, guide shell;
3rd, Slag Scraping Device;
4th, sludge bucket;4-1, mud discharging mouth;
5th, water inlet pipe;
6th, intake pump;
7th, dissolved air water pipe;
8th, air dissolved pump;
9th, collector pipe;9-1, perforation;
10th, discharge pipeline;
11st, drainpipe;
12nd, anaerobic reactor;
13rd, biogas storage device;
14th, biogas pipeline;
15th, support.
Embodiment
Such scheme is described further below in conjunction with specific embodiment.It should be understood that these embodiments are to be used to illustrate The utility model and be not limited to limit scope of the present utility model.The implementation condition used in embodiment can be according to specific producer Condition do further adjustment, unreceipted implementation condition is usually the condition in normal experiment.
It is that there is provided a kind of sludge condensation type air-floating apparatus, including gas for the schematic diagram of the utility model embodiment 1 referring to Fig. 1 Floating pond 1 and guide shell 2, it is preferred that flotation tank 1 is tapered, the height of flotation tank 1 is 2~3 meters, and guide shell 2 is vertically arranged in gas The floating center of pond 1 is simultaneously extended from the bottom of flotation tank 1 to middle part, and the top of flotation tank 1 is provided with Slag Scraping Device 3 and is arranged under Slag Scraping Device 3 The sludge bucket 4 of side, Slag Scraping Device 3 is prior art, and the utility model will not be repeated here.
The bottom of flotation tank 1 is provided with discharge outlet 1-3, water inlet 1-1 and dissolved air water entrance 1-2, and wherein discharge outlet 1-3 is set Outside guide shell 2, water inlet 1-1 and dissolved air water entrance 1-2 are arranged on the bottom of guide shell 2, water inlet 1-1 connections water inlet pipe 5, Water inlet pipe 5 is provided with intake pump 6, and dissolved air water entrance 1-2 is connected to drainpipe 11 through dissolved air water pipe 7, and dissolved air water pipe 7 is provided with molten Air pump 8, the water outlet that flotation tank 1 is isolated is used to prepare dissolved air water.Air dissolved pump 8 is prior art, and it is a kind of gas-liquid mixed Pump, the suction inlet of air dissolved pump 8 can suck gas using negative pressure, and gas is sufficiently mixed and dissolved under pressure is in water, be formed Dissolved air water.Mouth 4-1 is arranged in the bottom of sludge bucket 4 provided with sludge, and sludge row's mouth 4-1 is provided with the discharge pipeline 10 extended to outside flotation tank 1, The sludge of discharge is used to flowing back or entering sludge treating system.
In order to further optimize implementation result of the present utility model, it is to avoid agitation of the draining to scum layer, water outlet water is improved Matter, collector pipe 9 is provided with the bottom of flotation tank 1, the collector pipe 9 is annular in shape and outer wall is provided with several perforation 9-1, collector pipe 9 outsides for being set in mozzle 2 are located at Disengagement zone, and the delivery port of collector pipe 9 is connected to discharge outlet 1-3.
For the ease of the sediment that proportion in discharge flotation tank 1 is larger, several slag-drip openings 1- is provided with the bottom of flotation tank 1 4。
It is the structural representation of the utility model embodiment 2 referring to Fig. 2, when being separated for anaerobic sludge, can also pacifies Inside anaerobic reactor 12, including flotation tank 1 and guide shell 2, guide shell 2 is vertically arranged in the center of flotation tank 1 and by gas The bottom in floating pond 1 extends to middle part, and the bottom of flotation tank 1 is provided with discharge outlet 1-3, water inlet 1-1 and dissolved air water entrance 1-3, draining Mouth 1-3 is arranged on outside guide shell 2 and is connected with drainpipe 11, and water inlet 1-1 and dissolved air water entrance 1-3 are arranged on guide shell 2 Bottom, dissolved air water entrance 1-3 is connected to drainpipe 11 through dissolved air water pipe 7, and dissolved air water pipe 7 is provided with air dissolved pump 8,1 point of flotation tank The sludge separated out is returned in anaerobic reactor 12 by top overflow, eliminates sludge recirculation system and Slag Scraping Device.
In order to further optimize implementation result of the present utility model, it is to avoid agitation of the draining to scum layer, water outlet water is improved Matter, collector pipe 9 is provided with the bottom of flotation tank 1, the collector pipe 9 is annular in shape and outer wall is provided with several perforation 9-1, collector pipe 9 outsides for being set in mozzle 2 are located at Disengagement zone, and the delivery port of collector pipe 9 is connected to discharge outlet 1-3.
In order to further optimize implementation result of the present utility model, the biogas that can produce anaerobic reactor 12 is used to prepare Dissolved air water, the biogas that the suction inlet of air dissolved pump 8 is connected to anaerobic reactor 12 through biogas pipeline 14 arranges mouth, and biogas pipeline 14 is provided with Biogas storage device 13.
In this example, support 15 is provided with anaerobic reactor 12, flotation tank 1 is fixed on support 15.
Examples detailed above is only to illustrate technical concepts and features of the present utility model, and its object is to allow be familiar with technique Personnel can understand content of the present utility model and implement according to this, and protection domain of the present utility model can not be limited with this.It is all The equivalent transformation done according to the utility model Spirit Essence or modification, should all cover protection domain of the present utility model it It is interior.

Claims (8)

1. a kind of sludge condensation type air-floating apparatus, it is characterised in that:Including flotation tank (1) and guide shell (2), the guide shell (2) it is vertically arranged in the flotation tank (1) center and is extended from the bottom of the flotation tank (1) to middle part, the flotation tank (1) Top provided with Slag Scraping Device (3) and the sludge bucket (4) that is arranged on below the Slag Scraping Device (3);
Flotation tank (1) bottom is provided with discharge outlet (1-3), water inlet (1-1) and dissolved air water entrance (1-2), the discharge outlet (1-3) is arranged on the guide shell (2) outside, and the water inlet (1-1) and dissolved air water entrance (1-2) are arranged on the guide shell (2) bottom, water inlet (1-1) the connection water inlet pipe (5), the water inlet pipe (5) is provided with intake pump (6), the molten gas Water inlet (1-2) is connected to drainpipe (11) through dissolved air water pipe (7), and the dissolved air water pipe (7) is provided with air dissolved pump (8), described The bottom of sludge bucket (4) is provided with sludge row's mouth (4-1), and sludge row's mouth (4-1), which is connected with, extends to the flotation tank (1) outside Discharge pipeline (10);
The bottom of the flotation tank (1) is provided with collector pipe (9), and the collector pipe (9) is annular in shape and outer wall is worn provided with several Hole (9-1), the collector pipe (9) is set in the outside of the guide shell (2), and the delivery port of the collector pipe (9) is connected to institute State discharge outlet (1-3).
2. sludge condensation type air-floating apparatus according to claim 1, it is characterised in that:The bottom of the flotation tank (1) is set There are multiple slag-drip openings (1-4).
3. sludge condensation type air-floating apparatus according to claim 1 or 2, it is characterised in that:The flotation tank (1) is in cone Shape.
4. sludge condensation type air-floating apparatus according to claim 3, it is characterised in that:The height of the flotation tank (1) is 2 ~3 meters.
5. a kind of sludge condensation type air-floating apparatus, the air-floating apparatus is arranged in anaerobic reactor (12), it is characterised in that:Bag Flotation tank (1) and guide shell (2) are included, the guide shell (2) is vertically arranged in the flotation tank (1) center and by the flotation tank (1) bottom extends to middle part, and flotation tank (1) bottom is provided with discharge outlet (1-3), water inlet (1-1) and dissolved air water entrance (1-2), the discharge outlet (1-3) is arranged on the guide shell (2) outside and is connected with drainpipe (11), the water inlet (1-1) The bottom of the guide shell (2) is arranged on dissolved air water entrance (1-2), the dissolved air water entrance (1-2) connects through dissolved air water pipe (7) Be connected to the drainpipe (11), the dissolved air water pipe (7) is provided with air dissolved pump (8), the sludge that the flotation tank (1) is isolated by Top overflow is returned in anaerobic reactor (12).
6. sludge condensation type air-floating apparatus according to claim 5, it is characterised in that:The bottom of the flotation tank (1) is set There is collector pipe (9), the collector pipe (9) is annular in shape and outer wall is provided with several perforation (9-1), and the collector pipe (9) is arranged Outside in the guide shell (2), the delivery port of the collector pipe (9) is connected to the discharge outlet (1-3).
7. sludge condensation type air-floating apparatus according to claim 6, it is characterised in that:Air dissolved pump (8) the suction inlet warp Biogas pipeline (14) is connected to biogas row's mouth of the anaerobic reactor (12), and the biogas pipeline (14) stores provided with biogas Device (13).
8. according to any described sludge condensation type air-floating apparatus of claim 5 to 7, it is characterised in that:The anaerobic reactor (12) support (15) is provided with, the flotation tank (1) is fixed on the support (15).
CN201720038707.0U 2017-01-13 2017-01-13 A kind of sludge condensation type air-floating apparatus Active CN206384881U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720038707.0U CN206384881U (en) 2017-01-13 2017-01-13 A kind of sludge condensation type air-floating apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720038707.0U CN206384881U (en) 2017-01-13 2017-01-13 A kind of sludge condensation type air-floating apparatus

Publications (1)

Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109320033A (en) * 2018-11-23 2019-02-12 泰州明锋资源再生科技有限公司 Lifting/lowering type air floating structure applied to pickling Treatment of Sludge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109320033A (en) * 2018-11-23 2019-02-12 泰州明锋资源再生科技有限公司 Lifting/lowering type air floating structure applied to pickling Treatment of Sludge

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