CN105233536A - Double-separation type muddy water clearing device - Google Patents
Double-separation type muddy water clearing device Download PDFInfo
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- CN105233536A CN105233536A CN201510674311.0A CN201510674311A CN105233536A CN 105233536 A CN105233536 A CN 105233536A CN 201510674311 A CN201510674311 A CN 201510674311A CN 105233536 A CN105233536 A CN 105233536A
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Abstract
The invention discloses a double-separation type muddy water clearing device. The double-separation type muddy water clearing device comprises an upper separation chamber (2), a lower separation chamber (1), a muddy water inflow channel (4), a clear water outflow channel (8) and a desilting bottom hole (9). The upper separation chamber and the lower separation chamber are separated through a rectifying plate (6) with a hole, the lower separation chamber is composed of a conical chamber (11) and a cylindrical chamber (12), the muddy water inflow channel is located at the bottom end of the cylindrical chamber (12) and enters the cylindrical chamber (12) along a tangent line, the clear water outflow channel is located at the top end of the upper separation chamber, and the desilting bottom hole is located in the bottom of the conical chamber. The middle of the upper separation chamber is provided with an obliquely-downward cant plate layer (7), and a spiral guide plate (3) is arranged in the conical chamber. Desilting is conducted based on the secondary flow principle, the flow speed of sand water is low, the wall face of the device can be prevented from being abraded by high-speed sand water, and therefore the service life of the device is prolonged. Desilting is assisted by the cant plate layer in the upper separation chamber based on the shallow pool sedimentation principle, the particle separation efficiency is improved, and better desilting accuracy is achieved compared with a single-chamber desilting device.
Description
Technical field
The present invention relates to a kind of facility for removing silt in rocky surface water, being specifically related to a kind of two separate type muddy water and going out device clearly.
Background technology
China is large agricultural country, agricultural irrigation water amount is large, but China's distribution of water resources is unbalanced, cultivated area many water resources in the north are few, so drip irrigation technique is adopted energetically as the irrigation technique of high-efficiency water-saving, but drip irrigation technique is high to water quality requirement, and the existence of the particles such as impurity can make douche block, adopt containing the few underground water of silt so general, but the exhaustive exploitation of underground water makes the series of environmental problems such as surface subsidence, surface subsidence, water quality deterioration produce.Therefore, develop surface water and become present research and development trend.But China is one of more country of heavily silt-carrying river, removing sand from the surface water of high concentrtion is a difficult problem promoting drip irrigation technique.
What China was traditional removes method for determining sand is the technological process process being adopted coagulation-precipitation-filtration-sterilization by sedimentation basin.The investment of this processing procedure is high, floor space large, long processing period, and needs regularly to remove contamination, and increase operating cost, and coagulant is to bad environmental.Another kind method uses hydrocyclone, adopt and filter in this way, cost is very high, and for the larger situation of river water silt content in flood season, intractability is larger, can not be reached the requirement of design specification by the current sediment concentration after filter plant process and particle size, still can the problem of initiating system blocking, and husky water is to wall serious wear, reduces service life of equipment.
Summary of the invention
For solving the problem, the invention provides a kind of two separation chambers muddy water and go out device clearly, under the condition not using flocculant, separation is completed to small size particle, thus make high concentrtion surface water reach the performance assessment criteria of agricultural drop irrigation water, and larger treating capacity can be realized; And not only cost is lower to utilize this device process surface water, floor space is little, and without the need to periodical blowdown, and treatment cycle is short, long service life.
To achieve these goals, a kind of two separation chambers muddy water goes out device clearly, comprise separation chamber, lower separation chamber, muddy water enter runner, Graceful runner and bottom hole for sand flushing, upper and lower separation chamber is separated by cowling panel with holes, lower separation chamber is made up of infundibular chamber and cylindrical chamber, muddy water enters runner and is arranged in the bottom of cylindrical chamber and tangentially enters cylindrical chamber, and Graceful runner is positioned at the top of separation chamber, and bottom hole for sand flushing is positioned at the bottom of infundibular chamber; Swash plate layer under the middle part of upper separation chamber is provided with and is tilted to, is provided with spiral deflector in infundibular chamber.
The muddy water with certain pressure enters runner by muddy water and enters, and the silt in muddy water moves downward due to Action of Gravity Field, is guided to center convergence and discharge with a small amount of water from bottom hole for sand flushing under cyclonic action by spiral deflector; Because the bottom hole for sand flushing aperture of bottom is very little, be therefore urged to top via the clear water after lower separation chamber eddy flow removes sand and discharge from Graceful runner; Middle cowling panel is used for the current rectification racemization of rotary motion in lower separation chamber, makes the clear water upward vertical movement entering separation chamber; The a small amount of silt residual through the muddy water of eddy flow enters into upper separation chamber along current equally, current run into swash plate layer and change direction afterwards and strike on the sidewall of separation chamber, water velocity slows down simultaneously, silt in current drops down onto on the swash plate of swash plate layer under gravity vertically downward, natural subsidence, and then again to enter in lower separation chamber through cowling panel with holes and carry out eddy flow and remove sand, swash plate layer can make water and silt separating effect better; Finally realize bulky grain silt through the lower separation chamber eddy flow muddy water removed sand again after upper separation chamber natural subsidence to be discharged by bottom hole for sand flushing, the clear water in the Graceful runner at top does not contain or contains fines, thus meets agricultural drop irrigation sprinkling irrigation water.
Preferably, in lower separation chamber, the angle of infundibular chamber is 20 ° ~ 90 °, and upper separation chamber height is greater than or equal to 0.5 meter.
Further, be positioned at muddy water and enter above runner there is oblique hanging deck in cylindrical chamber.Oblique hanging deck and spiral deflector use jointly can be stablized eddy flow and make separating effect better, and silt is flowed out from the bottom of lower separation chamber, and the clear water be separated for the first time then continues to enter separation chamber and is separated further.
Preferably, oblique hanging deck is downward-sloping and be 60 ° of angles with cylindrical chamber inwall, and oblique hanging deck accounts for 1/2 ~ 3/4 of whole circumference, and the width of each oblique hanging deck accounts for 1/6 ~ 1/2 of cylindrical chamber internal diameter.
Preferably, spiral deflector curve meets Fibonacci helix, and spiral deflector arises from muddy water and enters runner, terminates in bottom hole for sand flushing, and closely fixes with infundibular chamber inwall.
Preferably, the swash plate in swash plate layer is parallel to each other, and all horizontal by 60 °, spacing 3cm between every two swash plates, whole swash plate layer occupies 1/3 ~ 1/2 of separation chamber's vertical space.
Further, it is A that muddy water enters width of flow path, is highly h, and upper separation chamber diameter is D, and between three, geometrical relationship is as follows: A=0.2D, h=0.1D.
Further, bottom hole for sand flushing import is provided with flow control valve, and muddy water enters runner and is provided with pressure-regulating valve.Pressure that muddy water becomes a mandarin and flow can be controlled by pressure-regulating valve, sediment transport discharge can be controlled by flow control valve and go out clear water flow.
The present invention utilizes Secondary Flow Theory to remove sand, and husky water flow velocity is slow, can be subject to the abrasion of the husky water of high speed by avoiding device wall, extends device service life; Realized by the swash plate layer in upper separation chamber that shallow pond sedimentation principle is auxiliary removes sand, improve particle separation efficiency, have better precision of removing sand compared with single chamber sand-removal device; Therefore the present invention under equal conditions can realize the process of large discharge muddy water, meets agricultural drop irrigation water demand; This device can realize unpowered operation, economize energy simultaneously, reduces costs.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is rectification orifice plate schematic diagram;
Fig. 3 is the structural representation of spiral deflector in lower separation chamber;
The top view of Tu4Shi Shang separation chamber inner swash plate layer;
Fig. 5 is the top view of tiltedly hanging deck in cylindrical chamber;
Fig. 6 is the water sample impurity particle particle size distribution figure of model under different clear water output.
In figure: 1, lower separation chamber, 2, upper separation chamber, 3, spiral deflector, 4, muddy water enters runner, 5, tiltedly hanging deck, 6, cowling panel, 7, swash plate layer, 8, Graceful runner, 9, bottom hole for sand flushing, 10, rectangular slab, 11, infundibular chamber; 12, cylindrical chamber.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 5, a kind of two separation chambers muddy water goes out device clearly, comprise separation chamber 2, lower separation chamber 1, muddy water enter runner 4, Graceful runner 8 and bottom hole for sand flushing 9, upper and lower separation chamber is separated by cowling panel 6 with holes, lower separation chamber 1 is made up of infundibular chamber 11 and cylindrical chamber 12, muddy water enters runner 4 and is arranged in the bottom of cylindrical chamber 12 and tangentially enters cylindrical chamber 12, and Graceful runner 8 is positioned at the top of separation chamber 2, and bottom hole for sand flushing 9 is positioned at the bottom of infundibular chamber 11; Swash plate layer 7 under the middle part of upper separation chamber 2 is provided with and is tilted to, is provided with spiral deflector 3 in infundibular chamber 11.
The muddy water with certain pressure enters runner 4 by muddy water and enters, and the silt in muddy water moves downward due to Action of Gravity Field, is guided to center convergence and discharge with a small amount of water from bottom hole for sand flushing 9 under cyclonic action by spiral deflector 3; Because the bottom hole for sand flushing aperture of bottom is very little, be therefore urged to top via the clear water after lower separation chamber 1 eddy flow removes sand and discharge from Graceful runner 8; Middle cowling panel 6, for the current rectification racemization by rotary motion in lower separation chamber 1, makes the clear water upward vertical movement entering separation chamber 2; The a small amount of silt residual through the muddy water of eddy flow enters into upper separation chamber 2 along current equally, change direction after current run into swash plate layer 7 and strike on the sidewall of separation chamber 2, water velocity slows down simultaneously, silt in current drops down onto on the swash plate of swash plate layer 7 under gravity vertically downward, natural subsidence, and then again to enter in lower separation chamber through cowling panel 6 with holes and carry out eddy flow and remove sand, swash plate layer can make water and silt separating effect better; Finally realize bulky grain silt through the lower separation chamber 1 eddy flow muddy water removed sand again after upper separation chamber 2 natural subsidence to be discharged by bottom hole for sand flushing 9, the clear water in the Graceful runner 8 at top does not contain or contains and fine grained, thus meets agricultural drop irrigation sprinkling irrigation water.
As shown in Figure 1, in lower separation chamber, the angle of infundibular chamber 11 is 20 ° ~ 90 °, and upper separation chamber 2 is highly greater than or equal to 0.5 meter.
As shown in Figure 1 and Figure 5, be positioned at muddy water and enter above runner 4 there is oblique hanging deck 5 in cylindrical chamber 12.Oblique hanging deck and spiral deflector use jointly can be stablized eddy flow and make separating effect better, and silt is flowed out from the bottom of lower separation chamber, and the clear water be separated for the first time then continues to enter separation chamber and is separated further.
Preferably, oblique hanging deck 5 is downward-sloping and be 60 ° of angles with cylindrical chamber 12 inwall, and oblique hanging deck 5 accounts for 1/2 ~ 3/4 of whole circumference, and the width of each oblique hanging deck 5 accounts for 1/6 ~ 1/2 of cylindrical chamber internal diameter.The embodiment shown in Fig. 5 is that oblique hanging deck 5 accounts for 1/2 of whole circumference, width be cylindrical chamber diameter 1/6.
As shown in figures 1 and 3, spiral deflector 3 curve meets Fibonacci helix, and spiral deflector 3 arises from muddy water and enters runner 4, terminates in bottom hole for sand flushing 9, and closely fixes with infundibular chamber 11 inwall.
Fibonacci number defines with the method for recurrence: F
0=0, F
1=1...F
n=F
n-1+ F
n+2for the rectangle that the square on limit is combined into, then draw one 90 ° fan-shaped in square the inside, and linked up by camber line and can obtain, Fibonacci helix belongs to golden ratio helix, and eddy flow effect is optimum.
As Figure 1 and Figure 4, the swash plate in swash plate layer 7 is parallel to each other, and all horizontal by 60 °, spacing 3cm between every two swash plates, whole swash plate layer occupies 1/3 ~ 1/2 of separation chamber's vertical space.
As shown in Figure 4, first swash plate layer 7 is arranged on two symmetrically arranged rectangular slabs 10, rectangular slab has corresponding draw-in groove, and upper separation chamber inwall has a circle protruding, rectangular slab is fixed in the projection of separation chamber's inwall.In actual production, also swash plate layer integral solder can be fixed on upper separation chamber inwall.
Further, it is A that muddy water enters runner 4 width, is highly h, and upper separation chamber 2 diameter is D, and between three, geometrical relationship is as follows: A=0.2D, h=0.1D.
Further, bottom hole for sand flushing 9 import is provided with flow control valve, and muddy water enters runner 4 and is provided with pressure-regulating valve.Pressure that muddy water becomes a mandarin and flow can be controlled by pressure-regulating valve, sediment transport discharge can be controlled by flow control valve and go out clear water flow.
As shown in Figure 2, the pod apertures on cowling panel 6 is evenly distributed, selects can select different apertures according to the difference of water quality requirement.
Model test carried out to the present invention as follows:
Simulate natural sand with quartz sand, as shown in Figure 6, the coarse fraction being greater than 0.1mm accounts for 58% to its size grading data, and the fine fraction being less than 0.074mm accounts for 25%, is more than or equal to 0.074 and the middle grade being less than or equal to 0.1 accounts for 17%.
Experimentation is as follows: the husky water being configured to 23kg/m3 concentration with quartz sand, and under different clear water output, carries out impurity grain size analysis to the clear water water sample after model treatment.When model go out clearly amount for 297L/h time, the granular mass mark being greater than 0.1mm in water quality drops to less than 5% by 58% of former water sample; When device go out clearly amount for 118L/h time, the granular mass mark being greater than 0.125mm in water quality drops to less than 1%.According to drip irrigation technique requirement, irrigation advance maximum particle diameter should more than 0.125mm, and this model performance of removing sand can reach the requirement of drip-irrigation water amount and matter as can be seen here.
This device can be fixed and also can move, and uses very convenient; Uninterrupted can also regulate simultaneously, is not only applicable to agricultural drop irrigation technology, is also applicable to farming and pastoral area and urbanite water consumption district.
Claims (8)
1. a Zhong Shuan separation chamber muddy water goes out device clearly, it is characterized in that, comprise separation chamber (2), lower separation chamber (1), muddy water enters runner (4), Graceful runner (8) and bottom hole for sand flushing (9), on, lower separation chamber is separated by cowling panel (6) with holes, lower separation chamber (1) is made up of infundibular chamber (11) and cylindrical chamber (12), muddy water enters runner (4) and is arranged in the bottom of cylindrical chamber (12) and tangentially enters cylindrical chamber (12), Graceful runner (8) is positioned at the top of separation chamber (2), bottom hole for sand flushing (9) is positioned at the bottom of infundibular chamber (11), swash plate layer (7) under the middle part of upper separation chamber (2) is provided with and is tilted to, is provided with spiral deflector (3) in infundibular chamber (11).
2. two separation chambers as claimed in claim 1 muddy water goes out device clearly, and it is characterized in that, in lower separation chamber, the angle of infundibular chamber (11) is 20 ° ~ 90 °, and upper separation chamber (2) are highly greater than or equal to 0.5 meter.
3. separation chambers as claimed in claim 1 two muddy water goes out device clearly, it is characterized in that, is positioned at muddy water and enters runner (4) top and have oblique hanging deck (5) in cylindrical chamber (12).
4. two separation chambers as claimed in claim 3 muddy water goes out device clearly, it is characterized in that, oblique hanging deck (5) is downward-sloping and be 60 ° of angles with cylindrical chamber (12) inwall, oblique hanging deck (5) accounts for 1/2 ~ 3/4 of whole circumference, and tiltedly the width of hanging deck (5) accounts for 1/6 ~ 1/2 of cylindrical chamber internal diameter.
5. two separation chambers as claimed in claim 3 muddy water goes out device clearly, it is characterized in that, spiral deflector (3) curve meets Fibonacci helix, spiral deflector (3) arises from muddy water and enters runner (4), terminate in bottom hole for sand flushing (9), and closely fix with infundibular chamber (11) inwall.
6. two separation chambers as claimed in claim 1 muddy water goes out device clearly, it is characterized in that, the swash plate in swash plate layer (7) is parallel to each other, and all horizontal by 60 °, spacing 3cm between every two swash plates, whole swash plate layer occupies 1/3 ~ 1/2 of separation chamber's vertical space.
7. two separation chambers as claimed in claim 1 muddy water goes out device clearly, and it is characterized in that, it is A that muddy water enters runner (4) width, is highly h, and upper separation chamber (2) diameter is D, and between three, geometrical relationship is as follows: A=0.2D, h=0.1D.
8. the two separation chambers muddy water as described in claim as arbitrary in claim 1 to 7 goes out device clearly, it is characterized in that, bottom hole for sand flushing (9) import is provided with flow control valve, and muddy water enters runner (4) and is provided with pressure-regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510674311.0A CN105233536A (en) | 2015-10-15 | 2015-10-15 | Double-separation type muddy water clearing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510674311.0A CN105233536A (en) | 2015-10-15 | 2015-10-15 | Double-separation type muddy water clearing device |
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| CN105233536A true CN105233536A (en) | 2016-01-13 |
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| CN201510674311.0A Pending CN105233536A (en) | 2015-10-15 | 2015-10-15 | Double-separation type muddy water clearing device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106013007A (en) * | 2016-06-16 | 2016-10-12 | 四川大学 | Water-sand separation building applicable to linear chute spillway |
| CN106320434A (en) * | 2016-08-31 | 2017-01-11 | 湖南凌天科技有限公司 | Efficient water getting device and method for efficient decontamination |
| CN107754388A (en) * | 2016-08-18 | 2018-03-06 | 宜兴市天马环保工程有限公司 | Automatic homogenizing tube settling reactive tank |
| CN108439630A (en) * | 2018-06-04 | 2018-08-24 | 程度 | A kind of sewage disposal device with function of removing sand |
| CN108479188A (en) * | 2018-05-23 | 2018-09-04 | 杭州科以才成科技有限公司 | Multilayer water conservancy diversion plate washer orients desilting sand discharge filter device and its method |
| CN110496433A (en) * | 2018-05-20 | 2019-11-26 | 宁波大学 | A kind of self-filtering type water purifying tank of circulation offer clear water |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106013007A (en) * | 2016-06-16 | 2016-10-12 | 四川大学 | Water-sand separation building applicable to linear chute spillway |
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| CN108439630A (en) * | 2018-06-04 | 2018-08-24 | 程度 | A kind of sewage disposal device with function of removing sand |
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Application publication date: 20160113 |
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