CN202207489U - Sand extraction pipe inlet structure of sand setting system - Google Patents
Sand extraction pipe inlet structure of sand setting system Download PDFInfo
- Publication number
- CN202207489U CN202207489U CN2011203602090U CN201120360209U CN202207489U CN 202207489 U CN202207489 U CN 202207489U CN 2011203602090 U CN2011203602090 U CN 2011203602090U CN 201120360209 U CN201120360209 U CN 201120360209U CN 202207489 U CN202207489 U CN 202207489U
- Authority
- CN
- China
- Prior art keywords
- sand
- sand extraction
- extraction pipe
- horn body
- extraction tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a sand extraction pipe inlet structure of a sand setting system. The sand extraction pipe inlet structure is characterized by comprising a conical horn body; the diameter of the conical horn body gradually increases from top to bottom; the lower end of the horn body is an opened end; the upper end of the horn body is in seal connection with a sand extraction pipeline; and an inlet at the lower end of the sand extraction pipeline extends downwards into the middle part of the horn body. After the sand extraction pipe inlet structure is adopted in the sand extraction pipe of the sand setting system, due to the additionally arranged conical horn body in a sand extraction pipeline of the sand setting equipment, the sand grain absorption efficiency and the action area can be increased, meanwhile, the inlet of the sand extraction pipe can be prevented from being blocked so as to achieve the effects of fully extracting the sand and ensuring the continuous and stable operation of a grit chamber. In addition, the sand extraction pipe inlet structure of the sand setting system has the advantages that the sand extraction pipe inlet structure is simple in structure and easy to implement, and the like.
Description
Technical field
The utility model relates to a kind of ramp type sediment by rotational flow system, especially a kind of sand extraction tube entrance structure of settling system.
Background technology
Settling system is the equipment that is used for going out from the sewage separation and Extraction sand grains in the sewage treatment plant, is called setting pot again.The rotational flow grit chamber that a kind of circular reinforced concrete structure is arranged in existing Yongchuan sewage treatment plant sand setting facility.The structure of this rotational flow grit chamber does, comprises the pond body, and pond body Lower Half is the sand hopper part with conical cavity, and pond body the first half is the sand setting district of diameter greater than the cylindrical cavity of sand hopper part, and body top in pond has inflow entrance and flow export; Also comprise the sand extraction tube road that vertically is arranged at body middle part, pond; Lower end, sand extraction tube road extends to the bottom position that closes on of sand hopper part; Upper end, sand extraction tube road is connected with grit water separator, is arranged with the pressure air pipeline outside the sand extraction tube road and forms double-decker, and pressure air lower end of duct and lower end, sand extraction tube road are tightly connected; The top that said sand extraction tube road inwall is positioned at the said place of being tightly connected is distributed with a circle airport and makes sand extraction tube road and pressure air pipeline UNICOM; Form the gas distribution structure, pressure air pipeline upper end with carry the sand source of the gas and be connected the said sand source of the gas employing Roots blower of carrying; Also be provided with vertical agitating device in the body of said pond.
This existing rotational flow grit chamber, during its work, elder generation's vertical agitating device of employing stirs the formation eddy flow, changes the fluidised form of water, and the inorganic sand grains in the sewage is got rid of to pool wall by centrifugal action, and precipitates rapidly after completion synchronously and the separating organic matters.Piling up more and more thicker sand grains around the pool wall receives centripetal force and gravity effect to import the center sand hopper; The compressed air that utilizes roots blower to provide is again carried the sand in the sand hopper to grit water separator from the sand extraction tube road with a small amount of sewage and being separated; Reach and remove that proportion is greater than 2.65t/m3 in the sewage, particle diameter is greater than the inorganic sand grains purpose of 0.2mm.
There is following defective in this existing spiral-flow type settling system: the power that 1, only provides by agitating device carries out the spiral-flow type sedimentation, and sand fallout efficient is lower, causes treatment effect relatively poor.2, the generation of eddy flow will rely on the agitating device of setting, and cost is higher, and maintenance cost is also higher, and the position is set the while agitating device and position, sand extraction tube road can overlap, for implementing to make troubles and further increased cost.3, the set-up mode of sand extraction tube and pressure air pipe causes stopping up easily, and agitator is also stuck easily, and setting pot is difficult to continuous operation, has also just reduced treatment effeciency, has increased maintenance cost simultaneously.When 4, overhauling, need in the body of pond, place a proof submersible sand discharging pump temporarily, behind sewage and the sand setting, can carry out upkeep operation in the emptying pond, very inconvenience.
The utility model content
To above-mentioned deficiency; The utility model technical problem to be solved is, a kind of sand extraction tube entrance structure of settling system is provided, and this structure can increase efficient and the active area that sand grains sucks; Avoid the problem of sand extraction tube inlet easy blocking simultaneously, reach and fully put forward the sand effect.Simultaneously the utility model also provides a kind of ramp type sediment by rotational flow that obtains based on this sand extraction tube entrance structure system, and it is effective that it has sand setting, and treatment effeciency is high, implements with maintenance cost lowly, and it is good to move continuity, and Maintenance and Repair are characteristics easily.
In order to solve the problems of the technologies described above, the utility model has adopted following technical proposals.
A kind of sand extraction tube entrance structure of settling system; It is characterized in that; Said sand extraction tube entrance structure comprises the conical horn body that a diameter increases from top to bottom gradually; The horn body lower end is the open end, and the horn body upper end is tightly connected with the sand extraction tube road, and end entrance extends downward the horn body medium position under the said sand extraction tube road.
In the sand extraction tube road of sand setting equipment, behind employing the utility model, the horn body of the taper of setting up; Can increase efficient and active area that sand grains sucks; Avoid the problem of sand extraction tube inlet easy blocking simultaneously, reached and fully put forward the sand effect, guaranteed the operation of setting pot continous-stable.The utility model possesses advantages such as simple in structure, easy to implement simultaneously.
Description of drawings
Fig. 1 is the structural representation sketch that has adopted when not showing grit water separator in a kind of settling system of the utility model.
Fig. 2 has adopted pond body inner swash plate in a kind of settling system of the utility model from overlooking the location arrangements sketch map of direction.
Fig. 3 is the structural representation sketch that has adopted grit water separator in a kind of settling system of the utility model.
Fig. 4 is the vertical view of Fig. 3.
The specific embodiment
Below in conjunction with accompanying drawing and a kind of specific embodiment that has adopted the settling system of the utility model structure, the utility model is done further detailed explanation.
Extremely shown in Figure 4 like Fig. 1; A kind of ramp type sediment by rotational flow system comprises the pond body, and pond body Lower Half is sand hopper 2 parts with conical cavity; Pond body the first half is the sand setting district 3 of diameter greater than the cylindrical cavity of sand hopper 2 parts, and body top in pond has inflow entrance and flow export; Also comprise the sand extraction tube road 4 that vertically is arranged at body middle part, pond and carry the depressed structure of emery cloth; 4 lower ends, sand extraction tube road extend to sand hopper 2 bottoms; 4 upper ends, sand extraction tube road are connected with grit water separator; The bottom surface of said sand setting district 3 parts is provided with the sloping plate deposition structure, and said sloping plate deposition structure comprises the circle swash plate 5 that even compartment of terrain vertically is provided with, and said swash plate is provided with (it is to tilt to have certain angle that said swash plate is meant with respect to diametric(al)) along sand hopper port tangential direction; The top of said swash plate and the outside (outside refers to the side away from the sand hopper position) are tiltedly installed with wing plate 6, said wing plate 6 along inwall jet pipe water outlets right direction tilt; Said pond body also is provided with the inwall fluidic architecture; Said inwall fluidic architecture comprises inwall jet pipeline 7; The delivery port direction of said inwall jet pipeline 7 is to be provided with along sand setting district inwall circumference tangential direction; The water inlet end of said inwall jet pipeline 7 links to each other with grey water system through intermediate water pipeline 1, and during practical implementation, intermediate water pipeline also is connected with and is used for pipe blow-through that bottom surface, sand setting district is cleaned; 4 lower ends, said sand extraction tube road are provided with the sand extraction tube entrance structure; Said sand extraction tube entrance structure comprises the conical horn body 8 that a diameter increases from top to bottom gradually; Horn body 8 lower ends are the open end; Horn body 8 upper ends and sand extraction tube road 4 are tightly connected, and the 4 times end entrances in said sand extraction tube road extend downward horn body 8 medium positions; The said depressed structure of emery cloth of carrying comprises a pressure air pipeline 9 that vertically is provided with side by side with sand extraction tube road 4; Pressure air pipeline 9 lower port cross connections are to horn body 8 middle parts, and pressure air pipeline 9 lower port seats are higher than entry position, 4 lower end, sand extraction tube road, and (during enforcement, pressure air pipeline 9 belows can be provided with a check valve; Prevent the sand grains reverse flow; Pressure air pipeline 9 upper ends are connected to source of the gas, and in this specific embodiment, adopting air blast machine room air-out house steward is source of the gas).
During enforcement, 3 bottoms, said sand setting district are inboard downward-sloping setting.Being convenient to sand grains like this is pooled in the sand hopper 2.Simultaneously; Said sand hopper 2 bottoms are provided with blowdown system; Said blowdown system comprises exhausting pipeline 10, and exhausting pipeline 10 1 ends and sand hopper 2 bottom connections are provided with switch valve 11 in the exhausting pipeline 10; Be provided with backwash pipeline 12 between switch valve 11 and the sand hopper bottom, backwash pipeline 12 is provided with switch valve 13 and links to each other with intermediate water pipeline 1.Said grit water separator (referring to Fig. 3 and Fig. 4) comprises that the vertical cross-section of a pointed end is leg-of-mutton housing 14; One side of enclosure interior is provided with the mechanism 15 of shaking out; Mechanism's 15 inlets that shake out are positioned at housing 14 bottoms; Also be provided with inlet channel 16 and outlet conduit 17, outlet conduit 17 tops are provided with the overflow launder structure and carry out water outlet, and said overflow launder structure comprises first overflow launder 18 and second overflow launder 19 that interval arranged side by side is provided with; Said first overflow launder 18 exceeds the water surface in the face of inlet channel 16 1 sides; First overflow launder 18 deviates from inlet channel one side upper surface for having zigzag spillwag chute, and the both sides upper surface of said second overflow launder 19 is has zigzag spillwag chute, and first overflow launder 18 and second overflow launder 19 join with outlet conduit 17 separately; Also be provided with swash plate and stream structure; Said swash plate streams structure and comprises from top to bottom first swash plate 21, second swash plate 22 and the 3rd swash plate 23 that is provided with at interval side by side; First swash plate, 21 upper ends are fixedly connected on first overflow launder, 18 belows; First swash plate, 21 lower ends tilt along being directed downwards of second overflow launder 19 and and housing 14 between leave the gap; The upper end of said second swash plate 22 and the 3rd swash plate 23 is lower than first swash plate, 21 upper end positions successively, all leaves the gap between the lower end of said second swash plate 22 and the 3rd swash plate 23 and the housing 14, and the vertical projection of the 3rd swash plate 23 upper end positions is between inlet channel 16 and first swash plate, 21 upper ends.
Above-mentioned settling system has the following advantages and effect.
1, from former grey water system draws water pipe to setting pot; And be made as the inwall fluidic architecture, substitute former 2 agitators (4kw * 2), through discharge and effluxvelocity in the control; Can form different swirl velocities, help the sand grains collision pool wall of different-grain diameter to be able to sedimentation.Simultaneously,, can realize pool inner water flow velocity degree, propose the accurate control of sand flow amount, put forward the sand effect to guarantee the best sand setting under the different water yields, the water quality situation through flow, the pressure of water and air in regulating.
2, the sand setting principle under tube settling theory and the eddy flow state is organically combined, in the sloping plate deposition structure of setting, the method that increases desilting area with swash plate promotes deposition efficiency, forms the ramp type sediment by rotational flow system of original creation.The swash plate of in the pond, setting up (having increased desilting area); The probability that has increased sand grains and swash plate positive (upstream face) collision exactly and sunk; Current also can form eddy region at the swash plate back side simultaneously; Sand grains sinks to swash plate with the eddy current motion collision, thereby has strengthened the sedimentation of different-grain diameter sand grains.Improve sand fallout efficient greatly, improved sewage treating efficiency.Simultaneously, the utility model has been obtained good effect after using in actual motion.Greatly improved the desanding efficiency of setting pot, the desanding amount has promoted 18.2 times before than technological transformation, and the SS clearance has improved 4 times before than technological transformation.Not only reduced the sediment deposition of subsequent technique section and to the wearing and tearing of equipment such as plug-flow agitator, reflux pump, sludge dewatering system, mud scraper; Improve volatile suspended matter concentration in the technology processing system simultaneously, promoted the treatment effeciency of system.
3, the blowdown system that increases can thoroughly solve pond body bottom precipitation alluvial blocking problem, reduces pond body internal unit maintenance difficulty.
4, improved and carried the depressed structure of emery cloth, original sand extraction tube air-distribution hole (multiple spot distribution) transform as central gas supply, solved air-distribution hole plug problem.
5, the slope that is set to tilt bottom the sand setting district is convenient to precipitate sand grains and is imported sand hopper, has thoroughly solved former setting pot inner platform sand grains deposition serious problems.Wherein ramp slope preferably is adjusted into 12.5 ± 2.5 °.
6, improved the sand extraction tube entrance structure.The horn body of the taper of setting up can increase efficient and active area that sand grains sucks, has avoided the problem of sand extraction tube inlet easy blocking simultaneously, reaches and fully puies forward the sand effect, guarantees the operation of setting pot continous-stable.
7, make the plant maintenance maintenance load significantly reduce, personnel labor obviously reduces; Standby redundancy use amount and maintenance and repair expense have been saved simultaneously to greatest extent.
8, after the grit water separator structure optimization, improved sand separated form water effect greatly.
In sum, this ramp type sediment by rotational flow system, it is effective to have a sand setting, and treatment effeciency is high, implements with maintenance cost lowly, and the operation continuity is good, and Maintenance and Repair such as make things convenient at advantage.
Claims (1)
1. the sand extraction tube entrance structure of a settling system; It is characterized in that; Said sand extraction tube entrance structure comprises the conical horn body that a diameter increases from top to bottom gradually; The horn body lower end is the open end, and the horn body upper end is tightly connected with the sand extraction tube road, and end entrance extends downward the horn body medium position under the said sand extraction tube road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203602090U CN202207489U (en) | 2011-09-23 | 2011-09-23 | Sand extraction pipe inlet structure of sand setting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203602090U CN202207489U (en) | 2011-09-23 | 2011-09-23 | Sand extraction pipe inlet structure of sand setting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202207489U true CN202207489U (en) | 2012-05-02 |
Family
ID=45987046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203602090U Expired - Fee Related CN202207489U (en) | 2011-09-23 | 2011-09-23 | Sand extraction pipe inlet structure of sand setting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202207489U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107485896A (en) * | 2017-09-05 | 2017-12-19 | 昆明普照水质净化管理有限公司 | A kind of modified form sewage disposal bridge-type inhales sand device |
-
2011
- 2011-09-23 CN CN2011203602090U patent/CN202207489U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107485896A (en) * | 2017-09-05 | 2017-12-19 | 昆明普照水质净化管理有限公司 | A kind of modified form sewage disposal bridge-type inhales sand device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107032463B (en) | A kind of municipal administration treatment device for overflow sewage and method | |
| CN106178615B (en) | One kind rotation sand setting equipment and its technique | |
| CN105688457B (en) | A kind of rainwater desilting pool device | |
| CN103097307A (en) | Purifier comprising a solids separation device, and method for wastewater purification | |
| CN205730485U (en) | A kind of efficient equipment for separating liquid from solid | |
| CN113443751B (en) | Efficient and energy-saving rural feedwater purification device and purification process thereof | |
| CN102430271B (en) | Inclined plate type rotational flow sand setting system | |
| CN202207489U (en) | Sand extraction pipe inlet structure of sand setting system | |
| CN202207484U (en) | Sloping plate type sedimentation structure of sedimentation system | |
| CN203609934U (en) | Combined swirling grit chamber | |
| CN108465272A (en) | A kind of inclined plate detention tank | |
| CN202207488U (en) | Sand extracting and air distributing structure for sand settling system | |
| CN202207491U (en) | Inner wall jet flow structure of sand setting system | |
| CN207632577U (en) | A kind of high-efficient vertical flow settling pond | |
| CN206045495U (en) | A kind of rotation sand setting equipment | |
| CN207041986U (en) | A kind of environment protection sewage processing settler | |
| CN109502816A (en) | A kind of Zhi Xian factory sewage disposal system and method | |
| CN202207485U (en) | Sloping plate type streaming structure of sand-water separator | |
| CN205516676U (en) | No mechanical stirring microvovtex coagulation and clarification pond | |
| CN205742507U (en) | A kind of integral type rainwater settling pit device | |
| CN210121357U (en) | Cyclone grit chamber | |
| CN203030054U (en) | Air blasting and air lifting device of rotational flow sand settling tank | |
| CN207582617U (en) | A kind of drainage system with first rain storage pond and online processing storage pond | |
| CN202191738U (en) | Double-inclined-plate type efficient sediment device | |
| CN103920315B (en) | The gas punching of rotational flow grit chamber, air-lift device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120502 Termination date: 20140923 |
|
| EXPY | Termination of patent right or utility model |