CN205516881U - Strengthen superposed layer spiral vertical flow settling pond - Google Patents

Strengthen superposed layer spiral vertical flow settling pond Download PDF

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Publication number
CN205516881U
CN205516881U CN201620103363.2U CN201620103363U CN205516881U CN 205516881 U CN205516881 U CN 205516881U CN 201620103363 U CN201620103363 U CN 201620103363U CN 205516881 U CN205516881 U CN 205516881U
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central canal
housing
water
sedimentation tank
superposed layer
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CN201620103363.2U
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Chinese (zh)
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陈栋
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陈栋
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Abstract

The utility model provides a strengthen superposed layer spiral vertical flow settling pond, this kind of vertical flow settling pond's center tube are big end down's conical duct, and the inner wall of center tube is equipped with spiral diversion trench, the inner wall of inlet tube and center tube is tangent, and inlet tube and guiding gutter meet, the bottom of center tube is sealed, and the bottom of center tube is equipped with and exports with the tangent level of center tube inner wall, the level export is met with the guiding gutter. Sewage in the center tube is the spiral downward flow, can promote the flocculation to generate, and sewage upwards flows for the spiral in the sedimentation tank, lengthens granule flocculation and the time of precipitating by a wide margin, and the effect of while through centrifugal force is greater than the particle separation that water and density are lighter than water with density, helps getting rid of respectively, be equipped with the production that horizontal filter screen has strengthened middle superposed layer in addition in the middle part of the sedimentation tank to show the sewage treatment efficiency that improves vertical flow settling pond.

Description

A kind of reinforcement superposed layer spiral vertical sedimentation tank
Technical field
This utility model belongs to technical field of sewage, is specifically related to a kind of vertical sedimentation tank.
Background technology
Vertical sedimentation tank, also known as vertical sedimentation basin, is the sedimentation tank that in pond, waste water vertically flows.Cell body planar graph is circular or square, water is entered pond inner central tube from top to bottom by the water inlet pipe being located at center, pond, central canal is divided into umbrella-shaped baffle and is made waste water be uniformly distributed the whole cross-section of river of tailing edge in pond slowly to rise, suspended substance sedimentation enters pond base cone shape and sinks in bucket, and primary water flows out from pond surrounding peripherally downflow weir.Water (flow) direction in vertical sedimentation tank is in opposite direction with granule precipitation, its catch speed is equal with the current rate of climb, the rate of climb will be suspended in mixed liquor one layer of superposed layer of formation equal to the granule of sedimentation velocity, the granule risen is intercepted and filters, thus the efficiency of vertical sedimentation basin is higher than rectangular sedimentation tank.In sewage treatment process, vertical sedimentation tank is owing to floor space is little, spoil disposal easy, sludge settling rate is high and is widely used.
But need to coordinate volume bigger flocculation reactor pond before common vertical sedimentation tank.And vertical sedimentation tank is when being used in miniature water processing system, volume is still aobvious too big, needs to take up room many.
Summary of the invention
The purpose of this utility model is to propose one to strengthen superposed layer spiral vertical sedimentation tank, this kind of vertical sedimentation tank sewage in central canal is downward spiral flowing, can promote that flocculation generates, in sedimentation tank, sewage is that spiral flows up, the time of particle flocculation and precipitation is significantly extended, by the effect of centrifugal force, density is separated less than the granule of water with density more than water simultaneously, contribute to removing respectively, thus significantly improve the sewage treating efficiency of vertical sedimentation tank.
Reinforcement superposed layer spiral vertical sedimentation tank of the present utility model include top be cylindric, bottom be hemispherical or cone tubular shell, the top of described housing is provided with water inlet pipe, outlet pipe, the middle part of housing is provided with central canal, and the top of described central canal connects with water inlet pipe;Housing bottom is provided with submersible sewage pump, and described submersible sewage pump is provided with the mud outlet tube towards hull outside;It is critical only that described central canal is up-small and down-big conical pipe, the inwall of central canal is provided with spiral type guiding gutter, and described water inlet pipe is tangent with the inwall of central canal, and water inlet pipe connects with guiding gutter;The bottom end closure of described central canal, the bottom of central canal is provided with the Horizontal Exit tangent with central canal inwall, and described Horizontal Exit connects with guiding gutter.
Above-mentioned central canal is designed to tapered, sewage enters in central canal from water inlet pipe along the tangential direction of central canal, simultaneously under the effect of spiral type guiding gutter, current are rotated down along central canal spiral inner wall, its microvovtex eddy flow formed can effectively facilitate diffusion and the collision of granule in water, promote that flocculation generates so that central canal becomes a flocculation reactor.
Current along Horizontal Exit transverse rotation flow out, current fluidised form in sedimentation tank, become slowly spiral to upstream.Corresponding to common vertical sedimentation tank is radiant type fluidised form vertically upward, and the spiral formed in this utility model has following 4 advantages to upstream: 1, the micro swirl that spiral is upwardly formed, and further promotes flocculation so that flocculation time is extended beyond 30 minutes;2, spiral flow effect forms certain centrifugal force, makes to move to the periphery than the impurity of water weight, and the impurity (mainly greasy dirt be main scum silica frost) lighter than water, to central motion, contributes to two kinds of magazins' layout, processes removal the most respectively;3, spiral is longer than flow vertically upward to upper path, particularly the ratio floccule body of water weight, and flow path averagely adds about one times, then the sedimentation time averagely doubles, and sedimentation effect significantly improves;4, in lower settling zone, remaining impurity and the slow spiral of flocculant move upward, and the flocculation polymer that flocculated in top simultaneously precipitates downwards, and remaining impurity is greatly improved with flocculation polymer collision probability, flocculation spends expansion further, precipitation removal effect to be greatly improved.
Further, described housing upper inner wall is provided with annular collecting vat, and described outlet pipe communicates with water leg;Being provided with baffle plate between water leg and central canal, the bottom of described baffle plate is less than the top of water leg;Described housing upper center is provided with oil collect port, described oil collect port and a greasy dirt pipe connection leading to hull outside, and oil collect port flowing water face is contour with water leg flowing water face.When current rise to the water surface, still having the impurity (mainly greasy dirt is main scum silica frost) that very small amount is lighter than water cannot be removed by precipitation, this type of light impurity can slowly climb up on top of the water, and because centrifugal action is assembled at water surface center.Due to the partition of baffle plate, light impurity cannot be introduced in water leg, and effluent quality is protected.Oil collect port and water leg are intake simultaneously, and oil collect port girth is little more than water leg girth, the inflow of oil collect port can much smaller than the inflow of water leg, generally about 3%, thus, the light impurity of the water surface enters oil collect port and is progressively discharged sedimentation tank.
Further, being provided with horizontal filter screen in described housing, the edge of described filter screen is connected with inner walls, and the middle part of filter screen is provided with the through hole passed for central canal, and the inner edge of described through hole is connected with the outer wall of central canal.In vertical sedimentation basin, water (flow) direction is in opposite direction with granule precipitation, and its catch speed is equal with the current rate of climb, and the rate of climb will be suspended in mixed liquor one layer of superposed layer of formation equal to the granule of sedimentation velocity, and the little granule risen is intercepted and filtered.Increase by a metafiltration net in sedimentation tank centre position, further enhance the formation of middle superposed layer, be effectively increased interception and the filter effect of granule to rising, granule can be intercepted more less.Specifically, described filter screen is located at the middle part of housing, and the grid-gap of filter screen is 1~2mm.
Further, described water inlet pipe is provided with auxiliary ventilating pipe upwards, ensures that in water inlet pipe, current smoothly, will not produce vent plug.The top of described housing is provided with the main breather being in communication with the outside, to reduce the gas buildup in housing, it is ensured that safety.
Further, the top of described housing is provided with inspection socket, and described inspection socket is provided with openable lid, to facilitate inspection.
Go out except effect owing to above-mentioned reinforcement superposed layer spiral vertical sedimentation tank can significantly improve impurity, therefore when processing the identical water yield, the volume of this reinforcement superposed layer spiral vertical sedimentation tank only needs about 1/2 for common vertical sedimentation tank, and the flocculation reactor needed before sedimentation tank is the least.
The reinforcement superposed layer spiral vertical sedimentation tank of the present utility model central canal by taper, and the spiral stream guidance groove in central canal and the Horizontal Exit of bottom, current in making central canal and in housing are spiral flow, substantially increase the effect of dirty impurities in water flocculation, and the effect of superposed layer raising filtration minute impurities is strengthened by arranging horizontal filter screen, the light impurities such as greasy dirt are individually discharged by arranging baffle plate and oil collect port, whole vertical sedimentation tank Collecting flocculation and be precipitated as one, volume is little, its wastewater treatment efficiency and efficiency are greatly improved, there is good practicality.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of reinforcement superposed layer spiral vertical sedimentation tank of the present utility model.
Fig. 2 is the flat cutting schematic diagram of reinforcement superposed layer spiral vertical sedimentation tank of the present utility model.
Accompanying drawing indicates: 1, housing;11, water leg;12, baffle plate;13, oil collect port;14, greasy dirt pipe;15, main breather;16, lid;2, water inlet pipe;21, auxiliary ventilating pipe;3, outlet pipe;4, central canal;41, guiding gutter;42, Horizontal Exit;5, submersible sewage pump;6, mud outlet tube;7, filter screen.
Detailed description of the invention
Below against accompanying drawing, by the description to embodiment, detailed description of the invention of the present utility model is described in further detail such as the mutual alignment between the involved shape of each component, structure, each several part and annexation, the effect of each several part and operation principle etc..
Embodiment 1:
As shown in the figure, the present embodiment strengthen superposed layer spiral vertical sedimentation tank include top be cylindric, bottom be hemispherical or the housing 1 of cone cylinder shape, the top of described housing 1 is provided with water inlet pipe 2, outlet pipe 3, and the middle part of housing 1 is provided with central canal 4, and the top of described central canal 4 connects with water inlet pipe 2;Being provided with submersible sewage pump 5 bottom housing 1, described submersible sewage pump 5 is provided with towards the mud outlet tube 6 outside housing 1;It is critical only that described central canal 4 is up-small and down-big conical pipe, the inwall of central canal 4 is provided with spiral type guiding gutter 41, and described water inlet pipe 2 is tangent with the inwall of central canal 4, and water inlet pipe 2 connects with guiding gutter 41;The bottom end closure of described central canal 4, the bottom of central canal 4 is provided with two Horizontal Exits 42 tangent with central canal 4 inwall, and described Horizontal Exit 42 connects with guiding gutter 41.
Housing 1 upper inner wall is provided with annular collecting vat 11, and described outlet pipe 3 communicates with water leg 11;Being provided with baffle plate 12 between water leg 11 and central canal 4, the bottom of described baffle plate 12 is less than the top 200~300mm of water leg 11;Being provided with oil collect port 13 in the middle of above described housing 1, described oil collect port 13 connects with a greasy dirt pipe 14 led to outside housing 1;Oil collect port 13 flowing water face is contour with water leg 11 flowing water face.
Middle part in housing 1 is provided with horizontal filter screen 7, and the edge of described filter screen 7 is connected with housing 1 inwall, and the middle part of filter screen 7 is provided with the through hole passed for central canal 4, and the inner edge of described through hole is connected with the outer wall of central canal 4.The grid-gap of filter screen 7 is 1~2mm.
Water inlet pipe 2 is provided with auxiliary ventilating pipe 21 upwards, ensures that in water inlet pipe, current smoothly, will not produce vent plug.The top of described housing 1 is provided with the main breather 15 being in communication with the outside, to reduce the gas buildup in housing 1, it is ensured that safety.
The top of housing 1 is provided with inspection socket, and described inspection socket is provided with openable lid 16, to facilitate inspection.
The operation principle of above-mentioned reinforcement superposed layer spiral vertical sedimentation tank is as follows:
In the present embodiment, the housing 1 of sedimentation tank is made for fiberglass or PE, and a diameter of top of central canal 4 is 180mm, and bottom is 400mm.
Former water (rainwater or car wash water), after adding flocculant and tentatively mixing (folded plate flocculator of available a section), is entered the central canal 4 of maximum gauge 400mm by the water inlet pipe 2 of diameter 60mm, and flow velocity is lowered 40 times.Still further below enter diameter 1800mm sedimentation tank, flow velocity is lowered 850 times, water velocity the generation that contribute to particles sink and superposed layer is greatly reduced.
Above-mentioned central canal 4 is designed to tapered, sewage enters in central canal 4 from water inlet pipe 2 along the tangential direction of central canal 4, simultaneously under the effect of spiral type guiding gutter 41, current are rotated down along central canal 4 spiral inner wall, its microvovtex eddy flow formed can effectively facilitate diffusion and the collision of granule in sewage, promote that flocculation generates so that central canal 4 becomes a flocculation reactor.
Current along Horizontal Exit 42 transverse rotation flow out, current fluidised form in sedimentation tank, become slowly spiral to upstream.Corresponding to common vertical sedimentation tank is radiant type fluidised form vertically upward, and the spiral formed in this utility model has following 4 advantages to upstream: 1, the micro swirl that spiral is upwardly formed, and further promotes flocculation so that flocculation time is extended beyond 30 minutes;2, spiral flow effect forms certain centrifugal force, makes to move to the periphery than the impurity of water weight, and the impurity (mainly greasy dirt etc.) lighter than water, to central motion, contributes to two kinds of magazins' layout, processes removal the most respectively;3, spiral is longer than flow vertically upward to upper path, particularly the ratio floccule body of water weight, and flow path averagely adds about one times, then the sedimentation time averagely doubles, and sedimentation effect significantly improves;4, in lower settling zone, remaining impurity and the slow spiral of flocculant move upward, and the flocculation polymer that flocculated in top simultaneously precipitates downwards, and remaining impurity is greatly improved with flocculation polymer collision probability, flocculation spends expansion further, precipitation removal effect to be greatly improved.
In region between housing 1 inwall and central canal 4, helical flow on current direction, water (flow) direction precipitates downwards in opposite direction with granule, its catch speed is equal with the current rate of climb, the rate of climb will be suspended in mixed liquor one layer of superposed layer of formation equal to the granule of sedimentation velocity, and the little granule risen is intercepted and filtered.Increase by a metafiltration net 7 in sedimentation tank centre position, further enhance the formation of middle superposed layer, be effectively increased interception and the filter effect of granule to rising, granule can be intercepted more less.
When current rise to water leg 11 height, still having impurity that very small amount is lighter than water (mainly greasy dirt is main scum silica frost) cannot to be removed by precipitation, because of centrifugal action, this type of light impurity can slowly climb up on top of the water and gradually be gathered in water surface central area.Due to the partition of baffle plate 12, light impurity cannot be introduced in water leg 11, and effluent quality is protected.The oil collect port 13 flowing water face being positioned at water surface center is contour with water leg 11 flowing water face, and oil collect port 13 and water leg 11 are intake simultaneously.Oil collect port 13 girth is little more than water leg 11 girth, the inflow of oil collect port 13 can much smaller than the inflow of water leg 11, generally about 3%.Thus, the light impurity of the water surface enters oil collect port and is progressively discharged sedimentation tank.
Due to the partition of baffle plate 12, light impurity cannot be introduced in water leg 11, and effluent quality is protected.Oil collect port 13 girth is little more than water leg 11 girth, the inflow of oil collect port 13 can much smaller than the inflow of water leg 11, generally about 3%, thus, the light impurity of the water surface enters oil collect port and is progressively discharged sedimentation tank.
Mud discharge uses submersible sewage pump 5, general 2 weeks carries out spoil disposal once, uses every time and automatically controls deenergization after opening 10 minutes.Spoil disposal every time, bottom precipitation district dischargeable capacity is drained, the water of the clean area on middle stainless steel filtering net 7 top, filter screen 7 can be formed certain downward recoil effect, substantially prolongs the flushing interval time needed for filter screen 7.
Filter screen 7 can be in the way of employing carries out a manual cleaning every year.Selecting carry out rainy season to JIUYUE April, amount of rainfall is abundant.Step is, first starts submersible sewage pump 5, precipitation pool inner water is drained (taking around 40 minutes), then rinses with the giant of carwash.

Claims (6)

1. strengthen a superposed layer spiral vertical sedimentation tank, including top be cylindric, bottom be hemispherical or the housing of cone cylinder shape, the top of described housing is provided with water inlet pipe, outlet pipe, and the middle part of housing is provided with central canal, and the top of described central canal connects with water inlet pipe;Housing bottom is provided with submersible sewage pump, and described submersible sewage pump is provided with the mud outlet tube towards hull outside;It is characterized in that described central canal is up-small and down-big conical pipe, the inwall of central canal is provided with spiral type guiding gutter, and described water inlet pipe is tangent with the inwall of central canal, and water inlet pipe connects with guiding gutter;The bottom end closure of described central canal, the bottom of central canal is provided with the Horizontal Exit tangent with central canal inwall, and described Horizontal Exit connects with guiding gutter.
Reinforcement superposed layer spiral vertical sedimentation tank the most according to claim 1, it is characterised in that described housing upper inner wall is provided with annular collecting vat, and described outlet pipe communicates with water leg;Being provided with baffle plate between water leg and central canal, the bottom of described baffle plate is less than the top of water leg;Described housing upper center is provided with oil collect port, described oil collect port and a greasy dirt pipe connection leading to hull outside;Oil collect port flowing water face is contour with water leg flowing water face.
Reinforcement superposed layer spiral vertical sedimentation tank the most according to claim 1 and 2, horizontal filter screen it is provided with in it is characterized in that described housing, the edge of described filter screen is connected with inner walls, and the middle part of filter screen is provided with the through hole passed for central canal, and the inner edge of described through hole is connected with the outer wall of central canal.
Reinforcement superposed layer spiral vertical sedimentation tank the most according to claim 3, it is characterised in that described filter screen is located at the middle part of housing, and the grid-gap of filter screen is 1~2mm.
Reinforcement superposed layer spiral vertical sedimentation tank the most according to claim 3, it is characterised in that described water inlet pipe is provided with auxiliary ventilating pipe upwards, and the top of described housing is provided with the main breather being in communication with the outside.
Reinforcement superposed layer spiral vertical sedimentation tank the most according to claim 3, it is characterised in that the top of described housing is provided with inspection socket, and described inspection socket is provided with openable lid.
CN201620103363.2U 2016-02-02 2016-02-02 Strengthen superposed layer spiral vertical flow settling pond Expired - Fee Related CN205516881U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105709465A (en) * 2016-02-02 2016-06-29 陈栋 Spiral vertical-flow sedimentation tank and rainwater and vehicle-washing-water treatment system with the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105709465A (en) * 2016-02-02 2016-06-29 陈栋 Spiral vertical-flow sedimentation tank and rainwater and vehicle-washing-water treatment system with the same
CN105709465B (en) * 2016-02-02 2017-11-17 广州为后代环保科技有限公司 The rainwater and carwash water treatment system of spiral vertical sedimentation tank and the application sedimentation basin

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160831

Termination date: 20190202

CF01 Termination of patent right due to non-payment of annual fee