CN201775992U - Desanding device for treating high-concentration and multi-gradation rainwater runoff - Google Patents

Desanding device for treating high-concentration and multi-gradation rainwater runoff Download PDF

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Publication number
CN201775992U
CN201775992U CN2010205177880U CN201020517788U CN201775992U CN 201775992 U CN201775992 U CN 201775992U CN 2010205177880 U CN2010205177880 U CN 2010205177880U CN 201020517788 U CN201020517788 U CN 201020517788U CN 201775992 U CN201775992 U CN 201775992U
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CN
China
Prior art keywords
concentration
water
desanding
bucket
cylindrical shell
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Expired - Fee Related
Application number
CN2010205177880U
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Chinese (zh)
Inventor
刘建林
张国珍
武金明
孙三祥
武福平
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Lanzhou Jiaotong University
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Lanzhou Jiaotong University
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Priority to CN2010205177880U priority Critical patent/CN201775992U/en
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Publication of CN201775992U publication Critical patent/CN201775992U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model relates to a desanding device for treating high-concentration and multi-gradation rainwater runoff, which comprises a containing body, wherein a swirling bucket and a settling chamber which are mutually separated are installed in the containing body; the upper portion of the swirling bucket is in cylindrical shape; and the lower portion of the swirling bucket is in conical shape. A water feeding groove is installed on one side of the upper portion of the containing body. A tangential water inlet is arranged at the top of the swirling bucket, a mud settling bucket capable of being lifted is installed at the bottom of the swirling bucket, and an opening which is connected with one side of the settling chamber through a connecting tube is arranged in the middle of the swirling bucket. The tangential water inlet is communicated with the water feeding groove. The other side of the settling chamber, which corresponds to the connecting tube, is provided with a water discharging tube. A mud settling groove which is capable of being lifted and provided with a plurality of finned water distribution columns are installed in the settling chamber. The desanding device for treating high-concentration and multi-gradation rainwater runoff is easy to operate, is practical and economical, occupies little land, has wide particle diameter range on removing sands and suspended particles, and has high treating efficiency. Further, the desanding device for treating high-concentration and multi-gradation rainwater runoff is particularly suitable for places where the water quality is not stable and the water qualities such as the pollution concentration, particle grades and the like vary widely.

Description

The multistage desanding device of joining of high concentration
Technical field
The utility model relates to and belongs to the water supply and drainage technical field, relates to the pretreatment unit in rainfall runoff, small water supplying processing, industrial wastewater and the middle water treatment system, relates in particular to the multistage desanding device of joining of high concentration.
Background technology
Because in short supply day by day and scattered settlement ground, the rural area water supply cost height of freshwater resources, effectively collecting and utilizing rainwater and local disposing of sewage is the effective way that solves the water-deficient area water shortage problem, especially the rural area of northwest drought water-deficient area, rainwater has become last one water guarantee of drinking water source.
Rural area rainwater collection project principal mode is that collection rain face diameter stream rainwater is caused the water cellar storage by irrigation canals and ditches, capable again advanced treating or directly use after passing through then to handle in the cellar for storing things.But owing to be subjected to the pollution of atmosphere and afflux underlying surface, rainwater pollution degree height, especially the rainwash rainwater contains pollutants such as soil, silt, its turbidity is very high, and the processing that will increase water cellar directly into the cellar for storing things is greatly loaded, and the increase water cellar is drawn number of times and workload clearly, moving for water cellar continuously makes troubles, therefore how effectively to solve the preliminary treatment before rainwater is gone into the cellar for storing things, especially reduce turbidity, removing particle such as most of silt is the technical barrier of needing solution at present badly.And because the randomness of rainfall, the flow of rainfall runoff and wherein pollutant levels, grain composition on all previous rainfall and a rainfall different time sequence, have unpredictability, progressively change in time simultaneously, and fluctuating range is big.
At present, desanding device mainly contains sedimentation basin, hydrocyclone etc., but mainly be applicable to municipal water supply processing and geological drilling that water quality is relatively stable, industrial gas oil, " manually hydrocyclone " and " a kind of hydrocyclone " of patent No. ZL 200520130486.7 and " hydrocyclone " of patent No. ZL 01261890.X etc. as patent No. ZL200420111249 mainly are applicable to petrochemical industry, metallurgical, turbidity such as sewage disposal are stable, be only applicable to the removal of certain particle size range particle and suspension, and it is big to take up room, and is not suitable for the rural area and disperses the preliminary treatment of minitype rain water afflux; The patent No. be ZL200720120034.X's " hydraulic cyclone sand setting dirt separator " though be applicable to town sewage, industrial wastewater, rainfall runoff and grey water system, but its bodily form is huge, the cylindrical shape grid is established in inside, and cleaning, dismounting complexity are not suitable for rural area rainwater harvesting treatment system yet.
In addition, setting pot and sedimentation basin are various informative, application in town sewage, industrial wastewater, rainfall runoff treatment system is very ripe, but because rainfall runoff has flow and wherein there are characteristics such as unpredictability and fluctuating range are big in pollutant levels, grain composition on all previous rainfall and rainfall different time sequence, work brings a lot of inconvenience to design selection, and floor space is big, cleaning and non-Pluvial maintenance work are numerous and diverse, can't satisfy the wide popularization and application of rural area rain water collecting system.
Therefore, the volume that exploitation is fit to rural area distributing rainwater collection project is little, cheap, operational administrative is simple, can handle high concentration, multistage pre-processing device of joining the surface rain runoff, be to solve to perplex the key that the rural area project of rain water collection is gone into the preceding preliminary treatment difficult problem in cellar for storing things at present.
The utility model content
Technical problem to be solved in the utility model provide a kind of simple to operate, take up an area of less, economical and practical, can handle the multistage multistage desanding device of joining of high concentration of joining the surface rain runoff of high concentration adaptively.
For addressing the above problem, the multistage desanding device of joining of a kind of high concentration described in the utility model is characterized in that: this device comprises that top is cylindrical, the bottom is the separated volume of conical eddy flow cylindrical shell and mud chamber; Top one side of described volume is provided with intake chamber; Described eddy flow cylindrical shell top is provided with tangential water inlet, and its bottom is provided with the heavy mud tube that can promote, and its middle part is provided with perforate, and this perforate is connected with a side of described mud chamber by tube connector; Described tangential water inlet communicates with described intake chamber; One side of the described mud chamber relative with described tube connector is provided with outlet pipe; Establish the heavy mud groove that has several protruding stupefied cloth water columns that can promote in the described mud chamber.
Described protruding stupefied cloth water column is star concave edge octagon, and its length of side is 0.11~0.18 times of described tube connector diameter, and its arrangement pitch is 0.63~0.8 times of described tube connector diameter.
The height of described eddy flow cylindrical shell is 2.5~3.2 times of its diameter.
Described eddy flow cylindrical shell middle and upper part cylindrical tube and lower cone shape cylindrical shell aspect ratio are 2/3~1/2, and lower cone shape cylindrical shell cone angle is 20 °.
The utility model compared with prior art has the following advantages:
1, owing to is provided with conical eddy flow cylindrical shell and mud chamber in the utility model, comparing it with traditional equipment is combined as a whole the function of eddy flow desanding and sedimentation basin, therefore, it is wide to remove the grains of sand and suspended particulate substance particle size range, handle by eddy flow desanding and sedimentation basin two-stage series connection, the treatment effeciency height, and be highly suitable for the rural area distributing rainwater catchment system system of water quality characteristics such as pollutant levels, grain composition wide variation on all previous rainfall and rainfall different time sequence.
2, because the mud chamber of the utility model behind eddy flow desanding cylindrical shell is provided with protruding stupefied cloth water column, this protruding stupefied cloth water column can make the current water distribution even, increase the collision area, help the small size particle precipitation after the eddy flow desanding, therefore, increased processing particle diameter of the present utility model greatly and distributed, remedied the low shortcoming of eddy flow desanding efficiency under the low discharge, thereby strengthened overall treatment efficiency.
3, because the utility model has effectively utilized the natural head of natural ground and water cellar, need not second lift, therefore, not only simple to operate, occupation of land is lacked, and energy savings, economical and practical.
4, the utility model compact conformation, volume are little, not only are applicable to rural households' formula minitype rain water collection and treatment, and are applicable to that Separation of Solid and Liquid, suspension concentrate and operation such as liquid clarification.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.
Fig. 1 is a structural representation of the present utility model.
Among the figure: the heavy mud groove 9-outlet pipe of the heavy protruding stupefied cloth water column 8-of the mud tube 5-tube connector 6-7-of mud chamber of 1-intake chamber 2-tangential water inlet 3-eddy flow cylindrical shell 4-.
The specific embodiment
As shown in Figure 1, the multistage desanding device of joining of a kind of high concentration comprises that top is cylindrical, the bottom is conical eddy flow cylindrical shell 3 and mud chamber's 6 separated volume.Top one side of volume is provided with intake chamber 1; The height of eddy flow cylindrical shell 3 is 2.5~3.2 times of its diameter, and top cylindrical tube and lower cone shape cylindrical shell aspect ratio are 2/3~1/2, and lower cone shape cylindrical shell cone angle is 20 °.
Eddy flow cylindrical shell 3 tops are provided with tangential water inlet 2, and its bottom is provided with the heavy mud tube 4 that can promote, and its middle part is provided with perforate, and this perforate is connected with a side of mud chamber 6 by tube connector 5; Tangential water inlet 2 communicates with intake chamber 1; One side of the mud chamber 6 relative with tube connector 5 is provided with outlet pipe 9; Establish the heavy mud groove 8 that has several protruding stupefied cloth water columns 7 that can promote in the mud chamber 6.
The stupefied cloth water column 7 of its convexity is star concave edge octagon, and its length of side is 0.11~0.18 times of tube connector 5 diameters, and its arrangement pitch is 0.63~0.8 times of tube connector 5 diameters.
During use, face of land afflux rainwater is incorporated into tangential water inlet 2 through intake chamber 1, tangentially water inlet 2 enters eddy flow cylindrical shell 3 then, being " S " shape at gravity and current tangential thrust effect lower edge eddy flow cylindrical shell 3 sidewalls quickens to drop, rainwater is after arriving the lower taper cylindrical shell, produce strong rotatablely moving, because there are density contrast in water and silt, suffered centrifugal force, entad buoyancy and fluid drag force varies in size, be subjected to the centrifugal sedimentation effect, big particle diameter sand grain is precipitated to mud tube 4, and most of water then enters mud chamber 6 by tube connector 5, because mud chamber's 6 sections enlarge, flow velocity reduces, and at the water distribution uniformity of protruding stupefied cloth water column 7 with add under the effect of strong collision, makes than the small particle diameter sediment deposition to heavy mud groove 8, final clear water is discharged by outlet pipe 9, thereby reaches the purpose of water sand separation.To sink mud tube 4 and heavy mud groove 8 after rainfall finishes proposes cleaning precipitation silts, so that next rainfall is used.

Claims (4)

1. multistage desanding device of joining of high concentration is characterized in that: this device comprises that top is cylindrical, the bottom is the separated volume of conical eddy flow cylindrical shell (3) and mud chamber (6); Top one side of described volume is provided with intake chamber (1); Described eddy flow cylindrical shell (3) top is provided with tangential water inlet (2), and its bottom is provided with the heavy mud tube (4) that can promote, and its middle part is provided with perforate, and this perforate is connected by the side of tube connector (5) with described mud chamber (6); Described tangential water inlet (2) communicates with described intake chamber (1); One side of the described mud chamber (6) relative with described tube connector (5) is provided with outlet pipe (9); Establish the heavy mud groove (8) that has several protruding stupefied cloth water columns (7) that can promote in the described mud chamber (6).
2. the multistage desanding device of joining of high concentration as claimed in claim 1, it is characterized in that: described protruding stupefied cloth water column (7) is star concave edge octagon, its length of side is 0.11~0.18 times of described tube connector (5) diameter, and its arrangement pitch is 0.63~0.8 times of described tube connector (5) diameter.
3. the multistage desanding device of joining of high concentration as claimed in claim 1 is characterized in that: the height of described eddy flow cylindrical shell (3) is 2.5~3.2 times of its diameter.
4. the multistage desanding device of joining of high concentration as claimed in claim 1 is characterized in that: described eddy flow cylindrical shell (3) middle and upper part cylindrical tube and lower cone shape cylindrical shell aspect ratio are 2/3~1/2, and lower cone shape cylindrical shell cone angle is 20 °.
CN2010205177880U 2010-09-03 2010-09-03 Desanding device for treating high-concentration and multi-gradation rainwater runoff Expired - Fee Related CN201775992U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205177880U CN201775992U (en) 2010-09-03 2010-09-03 Desanding device for treating high-concentration and multi-gradation rainwater runoff

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205177880U CN201775992U (en) 2010-09-03 2010-09-03 Desanding device for treating high-concentration and multi-gradation rainwater runoff

Publications (1)

Publication Number Publication Date
CN201775992U true CN201775992U (en) 2011-03-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105668700A (en) * 2016-04-07 2016-06-15 翟艳云 Desilting and deoiling device
CN109603243A (en) * 2019-01-31 2019-04-12 浙江大学 A kind of drainage pipeline grid device of chevaux-de-frise face blocking

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105668700A (en) * 2016-04-07 2016-06-15 翟艳云 Desilting and deoiling device
CN109603243A (en) * 2019-01-31 2019-04-12 浙江大学 A kind of drainage pipeline grid device of chevaux-de-frise face blocking

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

Granted publication date: 20110330

Termination date: 20130903

C17 Cessation of patent right