CN202265493U - Sludge concentrating device - Google Patents
Sludge concentrating device Download PDFInfo
- Publication number
- CN202265493U CN202265493U CN2011204071309U CN201120407130U CN202265493U CN 202265493 U CN202265493 U CN 202265493U CN 2011204071309 U CN2011204071309 U CN 2011204071309U CN 201120407130 U CN201120407130 U CN 201120407130U CN 202265493 U CN202265493 U CN 202265493U
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- flotation pool
- clear water
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Abstract
The utility model discloses a sludge concentrating device, which comprises a floatation tank, a clear water tank and a sludge tank, wherein the clear water tank and the sludge tank are positioned on the two sides of the floatation tank respectively; the return water suction opening on one side of the bottom of the clear water tank is connected with a return water pump which is connected with a micro air bubble generator; a gas and water mixing and contacting chamber is formed in the floatation tank; one side of the floatation tank is connected with an S-shaped tubular mixer, an eddy current damper and a stop valve in turn, and the stop valve is connected with the micro air bubble generator; the central driving shaft of a central driving device extends into the gas and water mixing and contacting chamber from top down; a sludge collecting rake at the bottom of the floatation tank is connected with the lower end of the central driving shaft; the part, which is above the gas and water mixing and contacting chamber, of the central driving shaft is connected with a floating slag scraper; a secondary flocculation component is positioned above the gas and water mixing and contacting chamber in the floatation tank; and one end of a clear water collection pipe is connected with the lower part of the floatation tank and the other end of the clear water collection pipe enters the clear water tank. The device has a simple structure and high efficiency and is suitable for treating high-concentration sludge.
Description
Technical field
The utility model relates to a kind of device of thickened sludge.
Background technology
The air supporting method of enrichment is in mud mixed liquid, feeds a large amount of intensive microbubbles, and it is adhered to mud granule mutually, forms whole proportion " gas one mud " flco mixtinite less than water, relies on buoyancy to float to the water surface, thereby accomplishes solid-liquid separation and make mud concentrated.
Domestic common mud concentrated gas floating apparatus is to adopt conventional air supporting as vehicle treated mud.Conventional air supporting comprises pond body, water pump, air, pressure air-dissolving tank.Water pump is connected pressure air-dissolving tank with air, and dissolved air water pipeline one end is communicated with pressure air-dissolving tank, and the other end gets into air flotation pool, is provided with the clear water collection device at the bottom of the air flotation pool, and the air flotation pool top is provided with scraper plate and collects mud.Serious " overload " phenomenon can appear in equipment when the mud that this equipment is used for high density concentrated.Release system stops up serious, and pneumatically supported core product bubble reduces in a large number, and the mud concentration process can make the total system collapse because lacking bubble efficient subtracts greatly in the time of serious.The a large amount of mud of air flotation pool bottom sediments have stopped up clear water collection pipeline because of can't in time getting rid of, and water outlet worsens water outlet because take pool bottom sludge in a large number out of." mixtinite " of sewage and bubble washes away the mud enriched layer by sewage in the process of mixing contact area inflow disengaging zone, destroyed the spissated process of mud, broken up the mud flco, and the water ratio of thickened sludge is improved.So this simple airfloat equipment can only be used for disposing the sewage of lower concentration, be not suitable for mud in fact and concentrate.
The utility model content
The technical problem that the utility model will solve provide a kind of simple in structure, efficient is higher, be fit to the device of the thickened sludge of treatment of high concentration mud.
For the technical scheme that solves this technical problem the utility model employing is:
A kind of device of thickened sludge comprises air flotation pool, lays respectively at the clear water collecting tank mud-mixing groove of air flotation pool both sides, and the recirculation water suction port of clear water collecting tank bottom one side connects the backflow water pump, and the backflow water pump connects microbubble generator; Be provided with air water mixing exposure chamber in the air flotation pool, air water mixing exposure chamber one side connects S bend pipe formula mixing tank, eddy flow deoscillator, stopping valve successively, and stopping valve is connected with microbubble generator again; The central actuating shaft of centre-driven device stretches into air water mixing exposure chamber from top to bottom; Mud at the bottom of the air flotation pool is collected rake and is connected with the lower end of central actuating shaft; The part that central actuating shaft is positioned at top, air water mixing exposure chamber connects floating type scum silica frost scraper plate; Be positioned at top, air water mixing exposure chamber in the air flotation pool and be provided with secondary flocculation assembly, clear water collection tube one end is connected the other end and gets into the clear water collecting tank with the Lower Half of air flotation pool.
Described air water mixing exposure chamber is positioned at the centre of air flotation pool.
Said secondary flocculation assembly is arranged in parallel by some blocks of plates and forms, and the two ends of these plates are fixed on the air flotation pool.
Described centre-driven device comprises motor and by the central actuating shaft of electric machine control.
Conventional air supporting facility also disposes air water mixing exposure chamber, but this air water mixing exposure chamber is arranged in a side of rectangle air flotation pool, generally is arranged in width.Sewage is got into by the bottom of air water mixing exposure chamber, is flowed out by the top of air water mixing exposure chamber to get into the flotation separation zone.Sewage at first gets into the sludge blanket on top, flotation separation zone in the outflow process, and tumble flows is collected to the clear water collecting region of air flotation pool bottom and effluxed then.Effluent stream can be destroyed in the sludge blanket process and concentrate good sludge blanket, increases the water ratio of mud.
And the utility model air water mixing exposure chamber is positioned at the middle part of air flotation pool body.The same sewage with conventional air supporting is got into by the bottom of air water mixing exposure chamber, is flowed out by the top of air water mixing exposure chamber to get into the mud-water separation district.Sewage at first gets into the mud-water separation district when flowing out, after the mud-water separation district accomplished separating of mud flco and water, mud continued come-up entering mud enrichment region and accomplishes the mud concentration process.What the secondary flocculation zone that the isolating clear water that contains tiny flco just turns around to flow to body middle part, pond in the mud-water separation district in the mud-water separation district was accomplished tiny flco is condensed into the removal of can floating of big flco once more; Also can be deposited on the secondary flocculation zone plate, clear water enters the clear water collecting region after flowing out the secondary flocculation zone downwards outside collect at clear water collection tube place.Can find out that by top working process sewage does not flow in the mud enrichment region at all, so for the not influence of the spissated process of the mud in the mud enrichment region, mud is concentrated under the stabile fluidised form and accomplishes.The mud concentrated gas floating root that common air supporting makes into originally can't be accomplished this process.
The secondary flocculation assembly at body middle part, pond can keep the current between the plate to keep laminar flow; (utilizing space current between the hydromeehanics plate can keep the principle of laminar flow regime); Be convenient to small flco and have an opportunity to be condensed into once more big flco; Accomplish come-up once more, and can not taken out of by downward current.Small mud flco is condensed into the mud macrobead once more and floats to liquid level between these plates, perhaps be deposited on the plate sepn process of accomplishing with water, is deposited to mud on the plate and progressively pools and accomplish mud-water separation at the bottom of macrobead is slipped to the pond.
Description of drawings
The device synoptic diagram of a kind of thickened sludge of Fig. 1.
Fig. 2 secondary flocculation assembly synoptic diagram.
Fig. 3 eddy flow deoscillator fundamental diagram.
Embodiment
With reference to Fig. 1: a kind of device of thickened sludge, comprise air flotation pool 1, lay respectively at air flotation pool 1 both sides clear water collecting tank 2 mud-mixing grooves 3, the recirculation water suction port 4 of clear water collecting tank 2 bottoms one side connects backflow water pumps 5, and backflow water pump 5 connects microbubble generators 6; Be provided with air water mixing exposure chamber 7 in the middle of the air flotation pool 1, air water mixing exposure chamber 7 one sides connect S bend pipe formula mixing tank 8, eddy flow deoscillator 9, stopping valve 10 successively, and stopping valve 10 is connected with microbubble generator 6 again; The central actuating shaft 12 of centre-driven device 11 stretches into air water mixing exposure chamber 7 from top to bottom; The mud at 1 end of air flotation pool is collected rake 13 and is connected with the lower end of central actuating shaft 12; The part that central actuating shaft 12 is positioned at 7 tops, air water mixing exposure chamber connects floating type scum silica frost scraper plate 14, is positioned at 7 tops, air water mixing exposure chamber in the air flotation pool 1 and is provided with secondary flocculation assembly 17.Clear water collection tube 18 1 ends are connected the other end and get into clear water collecting tank 2 with the Lower Half of air flotation pool 1.
Secondary flocculation assembly 17 is arranged in parallel by some blocks of plates 171 and forms, and sees Fig. 2, and the two ends of these plates 171 are fixed on air flotation pool 1 wall.。
This when operation device, microbubble generator 6 utilize under the effect of backflow water pump 5 jet current principle with air and water under certain pressure and condition, gas is dissolved in the water to the utmost, make every effort to be in state of saturation.Being transported to a large amount of microbubble of generation in the stopping valve 10 to the pressure air-dissolving water of formation dissolved air through the recirculation water pipeline then gets in eddy flow deoscillator 9.The mud of a large amount of microbubbles and water ratio 99% gets into eddy flow deoscillators 9 through mud import 19, add the medicament that drops at snack made with traditional Chinese medicines 20 places also mixing sludge get in the eddy flow deoscillator.Eddy flow deoscillator 9 principle of work are seen Fig. 3; At eddy flow plate 91, diversion column 92, thorough mixing is accomplished mud and medicament mixed flocculation under the acting in conjunction of big small mushroom head 93; The a large amount of microbubbles of flocculation process supporter, all bonding microbubble in flco inside and outside have produced the small bubble flco of proportion less than water.Small bubble flco progressively flows to along S bend pipe formula mixing tank 8 in the process of air flotation pool 1 and progressively grows up into large-scale bubble flco; Large-scale bubble flco is mixing the pipeline entering air water mixing exposure chamber 7 of sewage along S bend pipe formula mixing tank 8; Under the guide effect of air water mixing exposure chamber 7; Large-scale bubble flco and sewage flow towards air flotation pool 1 top, get into mud-water separation district 21.The 21 medium-and-large-sized bubble flcos in the mud-water separation district are because proportion continues floating to pond body fluid face entering mud enrichment region 22 less than water.The clear water and the small flco that partly do not float flow to secondary flocculation zone 23.
Large-scale bubble flco in mud enrichment region 22 is being earned floating to liquid level under buoyancy function; The quantity very dense of large-scale bubble flco in mud enrichment region 22; Mutual extrusion under buoyancy function each other; Interstitial water is extruded mud enrichment region 22 and flows to depositing separation area 24 between the large-scale bubble flco, and the clear water collection tube 18 that progressively flows to air flotation pool 1 bottom is collected the back discharging.
The clear water after mud is separated and the small flco that do not float flow to secondary flocculation zone 23.Secondary flocculation assembly 17 is arranged in parallel by some blocks of some blocks of plates 171 and forms, and the current between the plate 171 have kept laminar flow.The stationarity of current has been created the chance that small flco floats once more between the plate 171; Small mud flco between secondary flocculation assembly 17 once more coacervating large particle partly float to mud enrichment region 22; The part macrobead slips into sludge settling district 24 after being deposited to and converging on the plate 171 in addition, slowly falls into 1 end of air flotation pool.The mud at 1 end of air flotation pool is collected the center, pond after pool bottom sludge relief outlet 25 is discharged by mud collection rake 13.
Claims (3)
1. the device of a thickened sludge comprises air flotation pool, lays respectively at the clear water collecting tank mud-mixing groove of air flotation pool both sides, and it is characterized in that: the recirculation water suction port of clear water collecting tank bottom one side connects the backflow water pump, and the backflow water pump connects microbubble generator; Be provided with air water mixing exposure chamber in the air flotation pool, air water mixing exposure chamber one side connects S bend pipe formula mixing tank, eddy flow deoscillator, stopping valve successively, and stopping valve is connected with microbubble generator again; The central actuating shaft of centre-driven device stretches into air water mixing exposure chamber from top to bottom; Mud at the bottom of the air flotation pool is collected rake and is connected with the lower end of central actuating shaft; The part that central actuating shaft is positioned at top, air water mixing exposure chamber connects floating type scum silica frost scraper plate; Be positioned at top, air water mixing exposure chamber in the air flotation pool and be provided with secondary flocculation assembly, clear water collection tube one end is connected the other end and gets into the clear water collecting tank with the Lower Half of air flotation pool.
2. the device of thickened sludge according to claim 1, it is characterized in that: described air water mixing exposure chamber is positioned at the centre of air flotation pool.
3. the device of thickened sludge according to claim 1 is characterized in that: said secondary flocculation assembly is arranged in parallel by some blocks of plates and forms, and the two ends of these plates are fixed on the air flotation pool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204071309U CN202265493U (en) | 2011-10-21 | 2011-10-21 | Sludge concentrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204071309U CN202265493U (en) | 2011-10-21 | 2011-10-21 | Sludge concentrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202265493U true CN202265493U (en) | 2012-06-06 |
Family
ID=46156301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204071309U Expired - Lifetime CN202265493U (en) | 2011-10-21 | 2011-10-21 | Sludge concentrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202265493U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103570212A (en) * | 2013-11-20 | 2014-02-12 | 卫辉市汇达环境科技有限公司 | Sludge thickening device |
| CN112047609A (en) * | 2020-09-10 | 2020-12-08 | 长江河湖建设有限公司 | Desilting sediment efficient dewatering and volume reduction system and process based on resource utilization |
-
2011
- 2011-10-21 CN CN2011204071309U patent/CN202265493U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103570212A (en) * | 2013-11-20 | 2014-02-12 | 卫辉市汇达环境科技有限公司 | Sludge thickening device |
| CN112047609A (en) * | 2020-09-10 | 2020-12-08 | 长江河湖建设有限公司 | Desilting sediment efficient dewatering and volume reduction system and process based on resource utilization |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120606 |