CN102218234B - Tubular/cylindrical mud residue internal reflux mud-water high-efficiency separation device - Google Patents
Tubular/cylindrical mud residue internal reflux mud-water high-efficiency separation device Download PDFInfo
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- CN102218234B CN102218234B CN 201110080437 CN201110080437A CN102218234B CN 102218234 B CN102218234 B CN 102218234B CN 201110080437 CN201110080437 CN 201110080437 CN 201110080437 A CN201110080437 A CN 201110080437A CN 102218234 B CN102218234 B CN 102218234B
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- body refuse
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Abstract
The invention relates to a small high-efficiency mud-water separation device used for supplying water to villages and small towns. The device comprises a mechanical flocculation area and a hydraulic flocculation area, a sedimentation area, an active mud residue concentration area, an active mud residue internal reflux tube/cylinder, an impeller lifting device, a water inlet and outlet system, a mud discharge system and the like. The main body of the device mainly comprises three layers of concentric cylinders; an inner cylinder is the mechanical flocculation area, the middle is provided with the impeller lifting device, and active mud residue at the bottom of a concentration chamber is lifted to the mechanical flocculation area by the internal reflux tube/cylinder arranged in the center of the bottom; the hydraulic flocculation area is formed between the inner cylinder and a middle cylinder, and is provided with a pore plate; the sedimentation area is formed between the middle cylinder and an outer cylinder, and is provided with a single-blade single-curve rotary sloping plate; and the bottom of the equipment is provided with a mud residue concentration chamber. The device has the advantages of compact structure, high space utilization rate, small occupied area, mechanical flocculation area, easily controlled reflux quantity, low energy consumption, good effluent quality and the like, and has great promotion value.
Description
Technical field
The present invention relates to the water-supply technology field, be specifically related to a kind of device for separating mud and water for low discharge.
Background technology
Depositing reservoir technique is two technical process of flocculation and precipitation to be incorporated in the structures finish, and mainly relies on active sludge to reach the clarification purpose.When taking off steady impurity and contact with the active sludge layer with current, just tackled by slime layer, make mud-water separation.At present, be mechanical accelerating purifying pool at the maximum depositing reservoir of real project using, because mechanical accelerating purifying pool has strong adaptability, stable, the advantage such as effluent quality is good.But in actual moving process, traditional mechanical accelerating purifying pool still exists a lot of problems, mainly contains:
1, backflow active sludge concentration is little, causes the depositing reservoir floor space large.Because the active sludge concentration that refluxes in the standard machinery accelerating purifying pool is less, cause 3-5 that required active sludge capacity of returns is generally flow of inlet water doubly, the area of flocculation zone will be very large like this, and then increase whole depositing reservoir volume, increases cost and operating cost.
2, the problem of space availability ratio deficiency.The current that enter in the mechanical accelerating purifying pool scarcely can look like the design path track: enter the first flocculation zone by the triangle distribution channel, finish good flocculation in the first flocculation zone; But by after the water distribution of triangle distribution channel, directly risen to the second flocculation zone by the impeller lifting device, and so just shortened flocculation time, affect flocculating effect, cause the effluent quality variation, or increase the dosage of medicament.
3, the backflow seam easily stops up.The phenomenon that mechanical accelerating purifying pool in a lot of water factories all exists the seam that refluxes to stop up, simultaneously, in the process of design mechanical accelerating purifying pool, the value of the seam that refluxes also is a more doubt problem.
4, power consumption is large.Because need to promote 3-5 doubly to the body refuse amount of inflow, so need to consume more energy, it is larger to consume energy.
Therefore, running mechanical accelerating purifying pool in the reality exists the shortcomings such as space availability ratio deficiency, backflow body refuse amount are large, floor space large, power consumption is large.
Summary of the invention
The present invention seeks to the above-mentioned not enough a kind of novel muddy water device for effectively separating that proposes for traditional mechanical accelerating purifying pool.
Backflow muddy water device for effectively separating in the pipe/cartridge type body refuse, its be with mechanical flocculation zone, waterpower flocculation zone, depositing technology, concentration technology centralized arrangement in a cylindrical shape pond body.
Described device is that two concentric drums are set in the body of cylindrical shape pond, is separated out successively from inside to outside mechanical flocculation zone, waterpower flocculation zone, settling zone, and the top in three districts is all opened wide, and the bottom is the body refuse enriched chamber.
Described mechanical flocculation zone is communicated with from the top with the waterpower flocculation zone, and the waterpower flocculation zone is communicated with from the lower end with the settling zone, and the water outlet of mechanical flocculation zone enters the waterpower flocculation zone from the top, and the water outlet of waterpower flocculation zone enters the settling zone from the lower end.
Described mechanical flocculation zone bottom access water inlet pipe, the middle part is provided with the impeller lifting device, bottom lock, and in the center is provided with active sludge bottom the straight-through body refuse of the return duct/cylinder enriched chamber; The machinery flocculation zone promotes by the high concentration active sludge of lifting device to bottom, body refuse enriched chamber, the high concentration active sludge is back to mechanical flocculation zone by return duct/cylinder in the active sludge, the activity and the former water that take full advantage of body refuse carry out contact flocculation, reinforcement mud-water separation effect, and high concentration active sludge amount can be by rotating speed or convenient, the accurate adjusting of open degree that changes the impeller lifting device.Lifting device can comprise lifting and stir two parts; Lifting can change the sludge backflow amount, stirs and carries out the machinery flocculation, and have quantitative coupling relationship between capacity of returns and the stirring intensity, can be by changing lifting device mixing speed and open degree adjustment.
Described waterpower flocculation zone is provided with multilayer aperture orifice plate along depth direction, and according to little vortex theory enhanced flocculation, each section energy distribution is reasonable, and the time of staying is short, and flocculating effect is good.
The periphery, top of described settling zone is provided with braiding channel, and by the braiding channel connected water outlet pipe.
Middle part, described settling zone is provided with swash plate or inclined tube, with reinforced deposition, improves capacity utilization, reduces floor space.
Centrifugal pump, pipeline static mixer, flowmeter are housed on the described water inlet pipe, establish chemical feed pipe on the pipeline static mixer; Described body refuse enriched chamber establishes the bottom blow-down pipe and body refuse bucket, and the body refuse bucket is divided into discharge pipeline, is equipped with control valve on every pipe.By electricity (hand) movable valve all is installed on the pipeline, reach automatic medicament feeding system and online flowmeter, nephelometer, can realize automatic control, convenient operation and management.
This device is set up active sludge return duct/cylinder at mechanical flocculation zone bottom centre place, the bottom of straight-through body refuse enriched chamber, cancelled the sludge backflow seam, and change traditional umbrella shape plate of mechanical flocculation zone into straight tube shape, increased the waterpower flocculation zone, compare with traditional mechanical accelerating purifying pool, have the following advantages:
1, backflow active sludge concentration is larger.Machinery flocculation zone bottom centre place has set up active sludge return duct/bottom, the straight-through body refuse of cylinder enriched chamber, because the active sludge solid content of bottom, body refuse enriched chamber is higher, under the identical condition of required amount of solid, can reduce the capacity of returns of active sludge, be generally process the water yield 0.5-1.5 doubly, much smaller than the 3-5 of traditional mechanical accelerating purifying pool doubly.Thereby reduced the floor space of flocculation zone and whole device.
2, the active sludge capacity of returns can make things convenient for, control, regulates by the rotating speed or the open degree that change the impeller lifting device accurately.
3, owing to reduced the capacity of returns of active sludge, so can reduce the energy consumption of impeller lifting device, reduced the operating cost of equipment, the energy consumption of specific yield is about about 50% of traditional mechanical accelerating purifying pool.
4, the energy utilization is more thorough and reasonable, and it is more abundant to flocculate.Owing to increased the waterpower flocculation zone in the outside of mechanical flocculation zone, and added orifice plate in the waterpower flocculation zone, optimization energy distributes, and the G value of mechanical flocculation zone is 120S
-1, the G value that waterpower flocculation zone the from first to the 3rd flocculation zone adopts successively is 32.8 S
-1, 9.3 S
-1, 4.6 S
-1, the average G value of waterpower flocculation zone is 20 S
-1The total energy input is lower, but because active sludge is recycling, has indirectly strengthened the energy reuse, thereby improves flocculating effect.
5, the backflow of having cancelled in traditional mechanical accelerating purifying pool is stitched, and has avoided the blockage problem of device.
6, space availability ratio is high.Tracer test shows that the flow-shape in this equipment carries out according to the flow-shape of design fully, current flow through successively mechanical flocculation zone, waterpower flocculation zone, settling zone, and without the space waste, space availability ratio is high, almost reaches 100%.
Description of drawings
Backflow muddy water device for effectively separating structural representation in Fig. 1---the pipe/cartridge type body refuse
Backflow muddy water device for effectively separating schematic plan view in Fig. 2---the pipe/cartridge type body refuse
Fig. 3---orifice plate schematic diagram
1---water inlet pipe, 2---inner core, 3---middle cylinder, 4---urceolus, 5---mechanical flocculation zone, 6---the impeller lifting device, 7---active sludge return duct/cylinder, 8---the waterpower flocculation zone, 9---orifice plate, 10---the settling zone, 11---water distributing area, 12---swash plate or inclined tube, 13---clear water zone, 14---braiding channel, 15---outlet pipe, 16---the body refuse enriched chamber, 17---the body refuse bucket, 18---the bucket discharge pipeline, 19---blow-down pipe, 20---centrifugal pump, 21---pipeline static mixer, 22---chemical feed pipe, 23---flowmeter.
The specific embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
Referring to Fig. 1, Fig. 2, Fig. 3, can find out that on scheming device adopts cylindrical shape stainless steel pond body, top is divided into cylindrical, and the bottom is divided into truncated cone-shaped, circular pond isotropism, stress condition and hydraulics are all very good.This device internal main will be comprised of mechanical flocculation zone 5, waterpower flocculation zone 8, settling zone 10, body refuse enriched chamber 16, active sludge return duct 7, fine-structure mesh checkerwork cell plate 9 and swash plate or inclined tube 12 etc., and the outside mainly is comprised of water inlet pipe 1, outlet pipe 14, body refuse bucket 17, bucket discharge pipeline 18, blow-down pipe 19 and pond body.
Machinery flocculation zone 5, waterpower flocculation zone 8, settling zone 10 are formed in urceolus 4 interior separations by inner core 2 and middle cylinder 3 with one heart and from inside to outside successively.Inner core 2 is take interior as mechanical flocculation zone 5, and mechanical flocculation zone 5 middle parts are provided with impeller lifting device 6, bottom lock, and the center is provided with active sludge return duct/bottom, cylinder 7 straight-through body refuse enriched chamber.Be waterpower flocculation zone 8 between inner core 2 and the middle cylinder 3, be provided with multilayer fine-structure mesh checkerwork cell plate 9 along depth direction in the waterpower flocculation zone, fine-structure mesh checkerwork cell plate schematic diagram such as Fig. 3, and the perforation size of every layer of grid is different, pressing flow direction increases from front to back successively, G value in each section flocculation zone then reduces successively, is respectively 32.8 S
-1, 9.3 S
-1, 4.6 S
-1, average G value is 20 S
-1 Form settling zone 10 between middle cylinder 3 and the urceolus 4, the middle part of settling zone 10 has added swash plate or inclined tube 12, is the water distributing area 11 of settling zone under swash plate or the inclined tube, is the clear water zone 13 of settling zone on swash plate or the inclined tube.Swash plate or inclined tube 12 adopt common swash plate or inclined tube when when larger, in scale hour, can adopt single leaf single revolution swash plate.
Be body refuse enriched chamber 16 under three districts, namely body refuse enriched chamber 16 is at the bottommost of urceolus 4.Both sides, 16 bottom, slag enriched chamber are provided with body refuse bucket 17, and the centre is provided with blow-down pipe 19, and bucket discharge pipeline 18 is established in body refuse bucket 17 bottoms, is equipped with control valve on every pipe.
The water inlet pipe 1 of equipment is communicated with mechanical flocculation zone 5, from its bottom access, centrifugal pump 20, pipeline static mixer 21, flowmeter 23 is housed on the water inlet pipe 1, establishes chemical feed pipe 22 on the pipeline static mixer.Outlet pipe 15 is communicated with braiding channel 14.
The top of above mechanical flocculation zone 5, waterpower flocculation zone 8, settling zone 10 is all opened wide, and mechanical flocculation zone is communicated with at the top with the waterpower flocculation zone, and waterpower flocculation zone and settling zone are interconnected in the lower end, and the periphery on top, settling zone is provided with braiding channel 14.The water outlet of machinery flocculation zone 5 enters waterpower flocculation zone 8 from the upper end, the water outlet of waterpower flocculation zone 8 enters settling zone 10 from the lower end, the body refuse enriched chamber 16 that body refuse after the settling zone mud-water separation enters into device bottom concentrates, simultaneously, the lifting device 6 that the high concentration active sludge of bottom, body refuse enriched chamber relies on mechanical flocculation zone middle part to arrange promotes, active sludge return duct by mechanical flocculation zone bottom centre place/cylinder 7 is back to mechanical flocculation zone, the activity and the former water that take full advantage of body refuse carry out contact flocculation, water is clarified, and the large I of high concentration active sludge amount is convenient by the rotating speed or the open degree that change impeller lifting device 6, regulate accurately.
The working method of this device is as follows:
Former water is through after dosing, mixing, enter into mechanical flocculation zone 5 by water inlet pipe 1, simultaneously, the lifting device 6 that a part of active sludge in the device bottom body refuse enriched chamber 16 relies on mechanical flocculation zone middle part to arrange promotes, active sludge return duct by mechanical flocculation zone bottom centre place/cylinder 7 is back to mechanical flocculation zone, carry out mixed flocculation with former water, and the large I of high concentration active sludge amount passes through to change the rotating speed of impeller lifting device 6 or open degree is convenient, accurately adjusting.Then flow through successively mechanical flocculation zone 5 and waterpower flocculation zone 8, by fine-structure mesh checkerwork cell plate 9 built-in in the waterpower flocculation zone, finish more fully flocculation, water after the flocculation enters settling zone 10 by the lower end of waterpower flocculation zone 8, in the settling zone, finish mud-water separation, clear water is upwards successively through the water distributing area 11 of settling zone, swash plate or inclined tube district 12, clear water zone 13, after entering braiding channel 14 collections, discharged by outlet pipe 15, and body refuse is because the gravity of self, sliding to body refuse enriched chamber 16 10 times from the settling zone after separating concentrates, active sludge part after concentrated is discharged by blow-down pipe 19, another part, is circulated its lifting and so forth by the impeller lifting device 6 in the mechanical flocculation zone.
Therefore, on function, this device mainly comprises inlet and outlet system, flocculation zone, precipitation zone, the concentrated zone of body refuse, impeller elevator system, spoil disposal blowdown system, and the below introduces respectively principle and the effect of each several part.
1, inlet and outlet system
Water inlet pipe is communicated with mechanical flocculation zone, control valve, pipeline static mixer (above be provided with dosing mouth), flowmeter are installed on the water inlet pipe between pulsating pump and mechanical flocculation zone successively, regulate the flow of inlet water of former water by control valve, former water mixes in pipeline static mixer strongly rapidly with medicament, then enter mechanical flocculation zone, effluent adopting aperture submerged goes out stream.
2, flocculation zone
Former water enters mechanical flocculation zone through water inlet pipe, simultaneously, the lifting device that a part of high concentration active sludge in the device bottom body refuse enriched chamber relies on mechanical flocculation zone middle part to arrange promotes, active sludge return duct by mechanical flocculation zone bottom centre place/cylinder is back to mechanical flocculation zone, carry out mixed flocculation with former water, utilize the activity of himself that water is purified, and the large I of high concentration active sludge amount passes through to change the rotating speed of impeller lifting device or open degree is convenient, accurately adjusting.The water of finishing after machinery flocculates enters the waterpower flocculation zone, add fine-structure mesh checkerwork cell plate in the waterpower flocculation zone, and the perforation size of every layer of grid is different, pressing flow direction increases from front to back successively, be that the G value reduces successively in each section flocculation zone, energy distribution is reasonable, is conducive to flocculation.
3, precipitation zone
Enter the settling zone through the water after machinery flocculation and the waterpower flocculation, in the settling zone, finish mud-water separation, clear water is upwards successively through water distributing area, swash plate district, the clear water zone of settling zone, after entering the braiding channel collection, discharged by outlet pipe, and body refuse is because the gravity of self, sliding to the body refuse enriched chamber under the settling zone after separating concentrates, when part did not have separative granule flco to turn round the swash plate district with flowing through on the current direction, muddy water was further separated, and has optimized effluent quality.
4, the concentrated zone of body refuse
The body refuse that carries out after the mud-water separation relies on the gravity of self to enter the concentrated zone of body refuse, carries out of short duration concentratedly in this zone, and the body refuse moisture content is reduced, and increases the body refuse solid content.Body refuse enrichment region bottom is provided with blow-down pipe, gets rid of the cycle according to influent turbidity adjustment residue body refuse.
5, impeller elevator system
Be provided with the impeller lifting device at the middle part of mechanical flocculation zone, its effect is by promoting the effect of impeller, the body refuse with certain activity of bottom, body refuse enriched chamber is refluxed, remaining medicament is arranged in the body refuse because of bottom, body refuse enriched chamber, has suitable activity, so make its backflow can reduce the dosage of whole equipment, and the large I of high concentration active sludge capacity of returns by changing the impeller lifting device rotating speed or open degree convenient, regulate accurately.The impeller elevator system is divided into lifting and stirs two parts, and the top of system is lift portion, plays the castering action to active sludge, and the bottom of system is the mixing part, plays the effect to the current homogenising.
6, spoil disposal, blowdown system
According to the structure of this clarifying equipment, in conjunction with the idiographic flow of current, at the bottommost of equipment blow-down pipe is set, and is provided with two little body refuse buckets in the both sides of body refuse enrichment region, and the bucket discharge pipeline has been installed, be convenient to better flexibly spoil disposal.
When this device is low-temperature and low turbidity at former water, active sludge 5min settling ratio in the machinery flocculation zone can reach 20%, and when the PAC dosage is 6mg/L, delivery turbidity just can drop to below the 5NTU, and there is not the slough in the pond, space availability ratio reaches 100%, the energy consumption of specific yield is about about 80% of traditional mechanical accelerating purifying pool, so this device has the advantages such as compact conformation, space availability ratio height, small accommodation area, mechanical flocculation zone, capacity of returns are easily regulated, energy consumption is low, effluent quality is good, has promotional value.
Claims (2)
1. backflow muddy water device for effectively separating in the pipe/cartridge type body refuse is characterized in that:
Described device is that two concentric drums are set in the body of cylindrical shape pond, is separated out successively from inside to outside mechanical flocculation zone (5), waterpower flocculation zone (8), settling zone (10), and the top in three districts is all opened wide, and the bottom is body refuse enriched chamber (16);
Described mechanical flocculation zone (5) is communicated with from the top with the waterpower flocculation zone, waterpower flocculation zone (8) is communicated with from the lower end with settling zone (10), the water outlet of machinery flocculation zone (5) enters waterpower flocculation zone (8) from the top, the water outlet of waterpower flocculation zone (8) enters settling zone (10) from the lower end;
Described mechanical flocculation zone (5) bottom access water inlet pipe (1), the middle part is provided with impeller lifting device (6), bottom lock, and return duct/cylinder (7) leads directly to bottom, body refuse enriched chamber in the center is provided with active sludge; Machinery flocculation zone (5) promotes by the high concentration active sludge of lifting device (6) to bottom, body refuse enriched chamber, and the high concentration active sludge is back to mechanical flocculation zone by return duct in the active sludge/cylinder (7);
Described waterpower flocculation zone (8) is provided with multilayer orifice plate (9) along depth direction;
The periphery, top of described settling zone (10) is provided with braiding channel (14), and by braiding channel connected water outlet pipe (15);
Middle part, described settling zone (10) is provided with swash plate or inclined tube (12);
Centrifugal pump (20), pipeline static mixer (21), flowmeter (23) are housed on the described water inlet pipe (1), establish chemical feed pipe (22) on the pipeline static mixer; Described body refuse enriched chamber (16) establishes the bottom blow-down pipe (19) and body refuse bucket (17), and body refuse bucket (17) is divided into discharge pipeline (18), is equipped with control valve on every pipe.
2. backflow muddy water device for effectively separating in pipe according to claim 1/cartridge type body refuse is characterized in that, the swash plate that described settling zone (10) middle part arranges or inclined tube (12) adopt common swash plate or inclined tube or single leaf single revolution swash plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110080437 CN102218234B (en) | 2011-03-31 | 2011-03-31 | Tubular/cylindrical mud residue internal reflux mud-water high-efficiency separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110080437 CN102218234B (en) | 2011-03-31 | 2011-03-31 | Tubular/cylindrical mud residue internal reflux mud-water high-efficiency separation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102218234A CN102218234A (en) | 2011-10-19 |
| CN102218234B true CN102218234B (en) | 2013-01-23 |
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| CN 201110080437 Expired - Fee Related CN102218234B (en) | 2011-03-31 | 2011-03-31 | Tubular/cylindrical mud residue internal reflux mud-water high-efficiency separation device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102603031B (en) * | 2012-03-14 | 2014-03-12 | 无锡光初科技服务有限公司 | Automatic demulsification and high-power oil absorption device |
| CN103172155B (en) * | 2013-04-15 | 2014-04-16 | 重庆大学 | Integrated water purifying equipment for concurrent inclined plate precipitation |
| KR101582811B1 (en) * | 2015-06-10 | 2016-01-07 | (주)우진 | Stirring seperator |
| CN105771415B (en) * | 2016-03-04 | 2017-11-07 | 重庆文理学院 | integrated sedimentation tank |
| CN108689464A (en) * | 2017-04-12 | 2018-10-23 | 天津华水水务工程有限公司 | A kind of effective integrated coagulation clarifier |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5084991B2 (en) * | 2001-03-29 | 2012-11-28 | 住友重機械エンバイロメント株式会社 | Sludge blanket layer stabilization method and coagulation sedimentation equipment |
| CN101073715A (en) * | 2007-03-29 | 2007-11-21 | 复旦大学 | Apparatus and process for clarifying water efficiently |
| CN201330186Y (en) * | 2009-01-20 | 2009-10-21 | 重庆大学 | High-efficiency integrated water purifying apparatus with helical sloping plate |
| CN101496965B (en) * | 2009-01-20 | 2012-09-05 | 重庆大学 | Precipitating device of small-sized integrated water processor |
| JP5143762B2 (en) * | 2009-02-10 | 2013-02-13 | オルガノ株式会社 | Coagulation sedimentation equipment |
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