CN1037748C - Side-stream inclined plate sink-float solid-liquid separation method and its equipment - Google Patents
Side-stream inclined plate sink-float solid-liquid separation method and its equipment Download PDFInfo
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- CN1037748C CN1037748C CN92104174A CN92104174A CN1037748C CN 1037748 C CN1037748 C CN 1037748C CN 92104174 A CN92104174 A CN 92104174A CN 92104174 A CN92104174 A CN 92104174A CN 1037748 C CN1037748 C CN 1037748C
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Abstract
The present invention relates to a method and a device for separating the sink-float solid and liquid of a side-direction flow inclined board, which comprises a side-direction flow inclined board precipitation method and an air floating method which are integrated into a whole for the operation by the device. When raw water is at a low temperature and has low turbidity, the two operation modes can be adopted; when the raw water has high turbidity, an air-floating operation system can be cut off; thereby, the inclined board precipitation system can operate in a single item, wherein the side-direction flow inclined board device is formed by that a rectangular thin inclined board (3) made of plastics is fixed to support frames (1) (2) at a 60 DEG inclination angle, and two layers of boards are across arranged in a folding line and are provided with mud-sliding seams (5) and water draining seams (4); an air floating device is composed of an air storing tank (23) and a releaser (9) of an air melting tank (15). The present invention has the advantages of simple method, wide application range for raw water treatment, reasonable device structure, little space occupation, less investment, high efficiency and energy saving, can switch an operation system randomly, and is an ideal water treatment method and a device.
Description
The present invention relates to solid-liquid separating method and device, particularly relate to the method that purifies with lateral flow inclined plate technology and air supporting technical finesse water, and be used for the device of this method, belong to the solid-liquid separation technique field of purifying treatment in the plumbing.
At present, lateral flow inclined plate sedimentation technology and device in the water supply and drainage technology, at useful wherein a part of method of minority producer or device, be used for the former water treatment of high turbidity as the precipitator method, effective, but low turbid to handling, especially the former water effect of low-temperature and low turbidity is very poor, and it is low turbid with air flotation technology and device thereof to handling, especially low-temperature and low turbidity is effective at former water, and it is poor oppose to handle high turbid former water mutually, and China mostly during 1 year former water the low turbid phase is arranged, the low-temperature and low turbidity phase in the north is longer, simultaneously also there is the high turbid phase,, the turbid former water of sudden height arranged especially in rainy season, adopt sloping plate deposition or air-float method all not to reach the ideal effect to the bigger former water list of turbidity like this, and be separately positioned in two ponds and carry out, both floor space was big, the capital cost height, operation inconvenience, the while can not guarantee the needs of public water.
For overcoming above-mentioned two kinds of technology and device thereof existing shortcoming when using separately, it is a kind of when handling former water that the present invention will provide, both adapted to the former water of high turbidity, adapt to low particularly low-temperature and low turbidity water treatment of turbid former water again, the expense of accomplishing is low, effective, easy to operate, the wide lateral flow inclined plate of adaptogen water turbidity drift along solid-liquid separating method and device thereof.
The present invention realizes as follows, and it comprises that two portions form promptly: 1, lateral flow inclined plate sedimentation technology, utilize the shallow pool theory design, and make with sloping plate unit that solid particulate shortens its settling height in the water of lateral flow, improve settling rate; 2, air flotation technology then is to feed the dissolved air water that contains a large amount of micro-bubbles in the water of handling, utilize bubble that adhesion (or absorption) effect of solid particulate in the water is made its come-up fluid surface, and then remove the dirty bubble that floats over liquid level and realize solid-liquid separation, above-mentioned two kinds of technology and device can carry out in a settling tank and be provided with.Below with reference to drawings and Examples the present invention is described in further details:
Fig. 1 is a lateral flow inclined plate device part-structure synoptic diagram of the present invention.
Fig. 2 is a lateral flow inclined plate device part vertical section structure synoptic diagram of the present invention.
Fig. 3 is a side direction sloping plate unit part local structure synoptic diagram of the present invention.
Fig. 4 is the local structure synoptic diagram of side direction sloping plate unit part of the present invention.
Fig. 5 is a general arrangement structural representation of the present invention.
Its special character of the present invention; Be to be combined by two portions technology and device thereof, promptly lateral flow inclined plate device and air-floating apparatus lie in the settling tank and move.
Method of the present invention is to make former water after the air-flotation system device injects dissolved air water, horizontal flow is through lateral flow inclined plate device (18) and flow through in the gap of swash plate (3), impurity particle constitutes aggregate under buoyancy in bubble and the water, move to the water surface along vertical swash plate slit, vertical swash plate (3) slit is broken-line type, thereby increase, the distance of aggregate come-up, and its generation is streamed, therefore increased the sticking floating opportunity of particle in bubble and the water, make it abundant adhesion, help the air flotation technology effect.
Its special character of method of the present invention is: mainly bring into play the lateral flow inclined plate sedimentation effect when rainy season or the former water of high turbidity, make larger particles striking plate downslide raising purification rate between swash plate in the water, can in comprehensive floating depositing pool, carry out interior switchover operation to former water when low-temperature and low turbidity or the high turbidity, improve the production effect of working efficiency and water greatly.
Its device operation of the inventive method is placed in the floating depositing pool, the lateral flow inclined plate integration unit that drifts along is installed in the pond, its operation method is as follows: during the turbid height of Dang Yuanshui, floating depositing pool is moved by lateral flow inclined plate sedimentation, promptly close the air-flotation system device and always do not go into dissolved air water in the water, water behind the coagulation precipitates therein through the gap of distributing flue along waterwall horizontal flow swash plate in the sloping plate unit of flowing through (18), and the precipitation body refuse slides to the bottom mud collection area and got rid of by sludge drainage system (3) under swash plate.When raw water turbidity during lower or low-temperature and low turbidity, floating depositing pool is moved by lateral flow inclined plate air supporting, promptly start air pump (24) and start air-flotation system, coming in the water behind coagulation by reliever (19) injection air supporting dissolved air water, after coming water filling dissolved air water, horizontal flow is the horizontal flow mistake in swash plate (3) gap of sloping plate unit (18) in device, the impurity particle aggregate is scraped into ash pit (17) back by slag scraper and is discharged vertically along swash plate gap come-up, floating to the water surface in bubble and the water.
Method of the present invention may further comprise the steps:
1., make that pressurized gas is molten to form dissolved air water in former water,
2., the Gas dissolving pipe by dissolving is discharged into dissolved air water in the pond by reliever,
3., come water to mix the back along continuous straight runs with dissolved air water by the slit between swash plate, impurity particle adheres to and constitutes the aggregate come-up in bubble and the water, and move to the water surface along vertical swash plate broken-line type slit, at the bottom of another part impurity particle then falls to bumping to slide under the swash plate pond along swash plate;
4., the aggregate that floats over pond open bubble and impurity scraped ash pit through slag scraper and discharged outside the pond, and discharge through sludge drainage system along the swash plate impurity particle that falls at the bottom of the pond that glides,
The wherein angled placement of swash plate has certain distance between two plates, is fixed on the support frame, some parallel swash plate component units, levels swash plate direction is opposite, and is broken line mutually and arranges, and some unit are formed whole swash plate and are fixed in pond below choked flow wall and support.
The integration unit that the inventive method is used is made up of two portions device, i.e. lateral flow inclined plate device and air-floating apparatus;
1, lateral flow inclined plate device comprises swash plate (3), and fixed support framework (1) (2) is connected and fixed parts; Wherein swash plate (3) can adopt glass reinforced plastic or plastics to make square or the quadrate thin plate; For the load that strengthens water can make the swash plate surface be rough curved surface, there is circular hole at four angles of this plate; The fixed support framework comprises the rectangular parallelepiped framework that several upright supports (2) and stull (1) are formed, it can adopt corrosion resistant metal or plastics with certain intensity to make, being connected and fixed parts can divide serially connected fixed with monolithic: a. is as shown in Figure 3 serially connected, by connecting rod (6) polyphone more piece fixedly pipe (7) four angles hole segmentation of penetrating swash plate by connecting rod swash plate (3) of fixedly sealing in connecting rod (6) be connected in series with framework junction plate (11) again, and be fastened in the stull (1) with standing bolt (12), swash plate (3) setting angle is 45 degree-70 degree, with 60 degree is the best, selects to constitute the swash plate assembled unit by a plurality of inclined paralled plates; B. monolithic is fixed as Fig. 4, on the hole, four angles of swash plate 3, the swash plate that has fin (9) by bolt (10) fixed, by fin (9) and fixing square bar (8) mutually in succession, several swash plates (3) are fixed in the framework stull (1), and the levels swash plate is broken-line type and arranges, and two adjacent layers plate ends are staggered, and the plate end has the space to form slip seam (5) and hydrophobic seam (4).
2, air-floating apparatus, comprise that air pump (24) squeezes into gas holder (23) with pressurized air through pipeline, and by compressed air line (13), make pressed gas enter circular dissolving (15), ventilating water pipe (14) is also squeezed into water this jar and is mixed into dissolved air water with gas simultaneously, this jar has an opening that dissolved air water is had the reliever (19) of many minute apertures by dissolved air water pipeline (16) and on special in addition, dissolved air water is injected the water of settling tank; This device is provided with choked flow wall (21) in addition, its apical grafting top is provided with support (22), lateral flow inclined plate device (1) Transverse to the flow direction, being placed on the choked flow wall supports on (22), remove front and back and middle part and leave certain interval, outside the buffering stable region, each device laid parallel of all the other positions has abutted against, other has sludge drainage system (20), and the come-up foam is scraped into ash pit (17) by scraper plate and discharged in the pond.
The lateral flow inclined plate equipment for separating liquid from solid that drifts along comprises;
1., the reliever that many micro hole constructions are arranged (19) that is arranged in the pond that links to each other with dissolving (15) by pipeline,
2., the swash plate of in the pond, erectting (13) assembled unit, wherein swash plate becomes necessarily to have angle to place, at regular intervals between two plates, be fixed on the support frame (1), some parallel swash plates are combined into the unit, levels swash plate direction is opposite, and is broken line mutually and arranges, and some unit are formed whole swash plate and are fixed in pond below choked flow wall and support on (22).
Said apparatus can be positioned in the lateral flow inclined plate air flotation pool, can make two portions device utilization and operation simultaneously, reaches the effect doubly that complements each other, also can close air-floating apparatus according to the raw water turbidity situation, make wherein lateral flow inclined plate device individual event operation in precipitation, the inventive method is easy, the scope of application that larger process water is arranged, to low turbid, high turbid former water is switching operating system at random all, and its apparatus structure is reasonable, it is little to take up room, less investment, the efficient height, energy-conservation is the device of ideal water treatment method.
Claims (4)
1, a kind of lateral flow inclined plate solid-liquid separating method that drifts along is characterized in that: may further comprise the steps,
1., make that pressurized gas is molten to form dissolved air water in former water,
2., the Gas dissolving pipe by dissolving is discharged into dissolved air water in the pond by reliever,
3., come water to mix the back along continuous straight runs with dissolved air water by the slit between swash plate, impurity particle adheres to and constitutes the aggregate come-up in bubble and the water, and moves to the water surface along vertical swash plate broken-line type slit, at the bottom of another part impurity particle then falls to the pond along swash plate;
4., float over the aggregate of pond open bubble and impurity, scraped ash pit through slag scraper and discharged outside the pond, and discharged through sludge drainage system along the swash plate impurity particle that falls at the bottom of the pond that glides,
The wherein angled placement of swash plate has certain distance between two plates, is fixed on the support frame, some parallel swash plate component units, levels swash plate direction is opposite, and is broken line mutually and arranges, and some unit are formed whole swash plate and are fixed in pond below choked flow wall and support.
2, a kind of lateral flow inclined plate of implementing claim 1 method equipment for separating liquid from solid that drifts along is characterized in that: comprises,
1., the reliever that many micro hole constructions are arranged that is arranged in the pond that links to each other with dissolving by pipeline,
2., the swash plate assembled unit of in the pond, erectting, wherein swash plate becomes necessarily to have angle to place, there is a spacing to be fixed on the support frame between two plates, some parallel swash plates are combined into the unit, levels swash plate direction is opposite, and be broken line mutually and arrange, some unit are formed whole swash plate and are fixed in pond below choked flow wall and support.
3, the lateral flow inclined plate according to claim 2 equipment for separating liquid from solid that drifts along is characterized in that: the lateral flow inclined plate device is serially connected fixing, wherein connecting rod polyphone more piece fixed tube, penetrate the hole, four angles of swash plate by connecting rod, segmentation fixedly seals in the swash plate of connecting rod, contacts with the framework junction plate again
4, according to the described lateral flow inclined plate of claim 2 equipment for separating liquid from solid that drifts along, it is characterized in that: the lateral flow inclined plate one chip is fixed, the swash plate that is wherein had fin on the hole, four angles of swash plate by bolting makes swash plate be fixed in the framework stull by fin with fixing square bar mutually in succession.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92104174A CN1037748C (en) | 1992-06-01 | 1992-06-01 | Side-stream inclined plate sink-float solid-liquid separation method and its equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92104174A CN1037748C (en) | 1992-06-01 | 1992-06-01 | Side-stream inclined plate sink-float solid-liquid separation method and its equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1079411A CN1079411A (en) | 1993-12-15 |
| CN1037748C true CN1037748C (en) | 1998-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN92104174A Expired - Fee Related CN1037748C (en) | 1992-06-01 | 1992-06-01 | Side-stream inclined plate sink-float solid-liquid separation method and its equipment |
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| Country | Link |
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| CN (1) | CN1037748C (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2837197B1 (en) * | 2002-03-12 | 2005-01-28 | Ondeo Degremont | METHOD AND DEVICE FOR CLARIFYING LIQUIDS, ESPECIALLY WATER, LOADS OF SUSPENSION MATERIALS |
| CN101293678B (en) * | 2008-04-08 | 2010-10-13 | 无锡市林特产指导站 | Hydrodynamic alga separating system |
| CN101580314B (en) * | 2009-05-21 | 2014-02-26 | 广州市市政工程设计研究院 | Method for removing algae by flotation and sedimentation solid-liquid separation |
| KR100922158B1 (en) * | 2009-07-20 | 2009-10-19 | 주식회사 동하 | Flow overturning apparatus for water treatment channel |
| CN103395853B (en) * | 2013-08-18 | 2014-11-19 | 武汉宝捷能环境工程技术有限公司 | Horizontal slit type gas-water separator |
| CN104922946A (en) * | 2015-06-26 | 2015-09-23 | 浙江特拉建材有限公司 | Wastewater pretreatment equipment |
| CN105923830B (en) * | 2016-06-14 | 2019-07-19 | 华东理工大学 | A kind of preprocess method of coal chemical industrial waste water two-stage enhanced coagulation oil removing |
| CN106215469B (en) * | 2016-09-21 | 2019-08-02 | 武汉兴天宇环境股份有限公司 | A kind of immersion settler and settling system |
| CN110407691A (en) * | 2019-07-20 | 2019-11-05 | 江门谦信化工发展有限公司 | A kind of acetate process system of environmental protection and energy saving |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3932282A (en) * | 1972-09-05 | 1976-01-13 | Tenco Hydro/Aerosciences, Inc. | Dissolved air floatation system |
| CN86200155U (en) * | 1986-01-15 | 1986-09-03 | 中国市政工程西南设计院 | Combined inclined plate to form side flowing |
| US4643834A (en) * | 1986-02-03 | 1987-02-17 | Filter Plate Company | Separation system using coalescing techniques |
| CN2118572U (en) * | 1991-12-05 | 1992-10-14 | 宜兴市分水自来水厂 | Mud collecting type same direction flow separator |
| CN2122673U (en) * | 1992-03-30 | 1992-11-25 | 吉林市自来水公司 | Sidewise flow sloping palte sink-float solid-liquid separator |
-
1992
- 1992-06-01 CN CN92104174A patent/CN1037748C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3932282A (en) * | 1972-09-05 | 1976-01-13 | Tenco Hydro/Aerosciences, Inc. | Dissolved air floatation system |
| CN86200155U (en) * | 1986-01-15 | 1986-09-03 | 中国市政工程西南设计院 | Combined inclined plate to form side flowing |
| US4643834A (en) * | 1986-02-03 | 1987-02-17 | Filter Plate Company | Separation system using coalescing techniques |
| CN2118572U (en) * | 1991-12-05 | 1992-10-14 | 宜兴市分水自来水厂 | Mud collecting type same direction flow separator |
| CN2122673U (en) * | 1992-03-30 | 1992-11-25 | 吉林市自来水公司 | Sidewise flow sloping palte sink-float solid-liquid separator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1079411A (en) | 1993-12-15 |
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