CN101780354A - Sand-washing system and sand-filtering system - Google Patents
Sand-washing system and sand-filtering system Download PDFInfo
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- CN101780354A CN101780354A CN 201010138047 CN201010138047A CN101780354A CN 101780354 A CN101780354 A CN 101780354A CN 201010138047 CN201010138047 CN 201010138047 CN 201010138047 A CN201010138047 A CN 201010138047A CN 101780354 A CN101780354 A CN 101780354A
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Abstract
The embodiment of the invention discloses a sand-washing system and a sand-filtering system with no aeration pipes so as to avoid problems caused by using the aeration pipes. The sand-washing system comprises a sand-conveying pipe and a sand washer, wherein the sand washer comprises a water-receiving plate having holes at the bottom, a body, a dirty sand inlet, a compressed air pipe and a clean sand outlet; the body has a hollow structure; the inner wall of the body is in the shape of a gyroscope or a funnel; the dirty sand inlet and the compressed air pipe are arranged on the upper part of the body; the clean sand outlet is arranged at the bottom of the body; the body is communicated with the dirty sand inlet and the clean sand outlet respectively; the dirty sand inlet is communicated with the sand-conveying pipe and the compressed air pipe respectively; the water-receiving plate is in socket joint with the body; the holes are in hermetic fit with the body; the upper edge of the water-receiving plate is higher than that of the body; and a sewage outlet is arranged on the water-receiving plate. Therefore, contaminated sand enters the body under the action of compressed air in the compressed air pipe, and then the sand, the air and water rotate and mutually collide and rub along the inner wall of the body so as to realize that the contaminated sand can still be cleaned with no aeration pipes.
Description
Technical field
The present invention relates to washed-out sand system and sand filtration system.
Background technology
The sand filtration system can be with the suspended substance removal in the water, to reach the purpose of cleaning sewage, because of the extensive use in sewage disposal of its good filtration effect as a kind of water filtration facility.The normal sands filtering system generally comprises filtration system and washed-out sand system, and filtration system wherein comprises lauter tub, the water inlet pipe that is connected with lauter tub, is arranged in the sand filter blanket (being piled by sand grains) of lauter tub, the water knockout drum that is arranged at sand filter blanket and outlet pipe.During filtration, the sewage water knockout drum of flowing through from water inlet pipe enters sand filter blanket, and after filtering through sand filter blanket, the pollution impurity in the sewage is stayed in the sand filter blanket, sewage changes clear water into is discharged outside the lauter tub by outlet pipe, and the sand grains in the sand filter blanket is then polluted because of holding back down pollution impurity.In order not influence filter effect, it is returned sand filter blanket after need utilizing the washed-out sand system that the sand grains that pollutes is cleaned, washed-out sand water is then effluxed.
Generally the washed-out sand system of Shi Yonging mainly by the sediment transport pipe, carry sand pump and sand-washing device is formed: contaminated sand grains is delivered in the sand-washing device at the effect upper edge sediment transport pipe of carrying sand pump, bottom at sand-washing device is provided with aeration tube, the exportable gas of aeration tube with certain pressure intensity, gas produces bubble in water, blowing sand grains moves up and down, and sand grains moving up and down in water can make sand grains be separated with polluting impurity, thereby reaches the purpose of cleaning sand grains.Yet in the process of implementing the invention, the inventor finds, because aeration tube is positioned at the sand-washing device bottom, sand grains easily enters aeration tube and causes aeration tube to stop up under the effect of gravity, even can damage aeration tube.
Summary of the invention
In view of this, embodiment of the invention purpose is to provide washed-out sand system and the sand filtration system that does not use aeration tube, to avoid the problem because of using aeration tube to bring.
For achieving the above object, the embodiment of the invention provides following technical scheme:
A kind of washed-out sand system comprises sediment transport pipe and sand-washing device, and described sand-washing device comprises the porose drip tray in bottom, body, dirty sand inlet, compressed air hose and clean sand outlet, wherein:
Described body is a hollow structure, and inner surface contour is gyroscope-like or funnel-form;
Described dirty sand inlet, compressed air hose are arranged on described upper part of body, described clean sand outlet is arranged on the bottom of body, described body is connected with dirty sand inlet and clean sand outlet respectively, and described dirty sand inlet is connected with described sediment transport pipe and compressed air hose respectively;
Described drip tray and described body socket-connect, and described hole and described body are sealed and matched, and the upper edge of described drip tray is higher than the upper edge of described body, and described drip tray is provided with sewage outlet.
Preferably, described dirty sand inlet is arranged on the tangential direction of described body.
Preferably, described compressed air hose is provided with valve.
Preferably, also be provided with on the described sediment transport pipe and carry sand pump.
A kind of sand filtration system comprises above-mentioned washed-out sand system and filtration system, and described filtration system comprises outlet pipe, delivery port, lauter tub, the water knockout drum that is arranged in the sand filter blanket of lauter tub and places sand filter blanket, wherein:
Described drip tray, body, dirty sand inlet and clean sand outlet place described lauter tub, and are positioned at the top of sand filter blanket;
The sewage outlet of described drip tray is connected by drainpipe with described delivery port;
The vertical height of described outlet pipe is higher than the vertical height of described body upper edge, and is not higher than the vertical height of described drip tray upper edge;
Described sediment transport Guan Yiduan places the sand filter blanket of described water knockout drum below.
From above-mentioned technical scheme as can be seen, in embodiments of the present invention, contaminated sand grains is delivered to the dirty sand inlet of sand-washing device along the sediment transport pipe, enter body under the compressed-air actuated effect in compressed air hose at a high speed, because the inner body wall profile is gyroscope-like or funnel-form, sand grains, gas, water can be along the inwall rotation and the mutual collision friction of body, because of three's proportion difference, clean sand grains will be along the inner body wall landing, sewage is gentle to be entered in the drip tray, thereby when not using aeration tube, still can realize having avoided problem because of using aeration tube to bring to by the cleaning of dirty sand grains.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The washed-out sand system architecture schematic diagram that Fig. 1 provides for the embodiment of the invention;
The sand filtration system architecture schematic diagram that Fig. 2 provides for the embodiment of the invention.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention discloses the washed-out sand system that does not use aeration tube, avoiding causing aeration tube to stop up, and even damage the problem of aeration tube because of the sand grains that uses aeration tube to bring enters aeration tube.
Fig. 1 shows a kind of structure of above-mentioned washed-out sand system, comprise: sediment transport pipe 1 and sand-washing device, sand-washing device comprises the compressed air hose 5 and the clean sand outlet 6 of the porose drip tray 2 in bottom, body 3, dirty sand inlet 4, transporting compressed gas body, wherein: body 3 is a hollow structure, inner surface contour is gyroscope-like (in the present embodiment, the inside and outside wall of body 3 all is gyroscope-like); Dirty sand inlet 4 and compressed air hose 5 are arranged on the top of body 3, and clean sand outlet 6 is arranged on the bottom of body 3, and body 3 is connected with dirty sand inlet 4 and clean sand outlet 6 respectively, and 4 of dirty sand inlets are connected with sediment transport pipe 1 and compressed air hose 5 respectively; Drip tray 2 socket-connects with body 3, and hole and body 3 are sealed and matched, and the upper edge of drip tray 2 is higher than the upper edge of body 3, and drip tray 2 is provided with sewage outlet 22.
In other embodiments of the invention, the dirty sand inlet 4 in the foregoing description is arranged on the tangential direction of body 3.
In another embodiment of the present invention, also can be provided with valve 51 on the compressed air hose 5 among above-mentioned all embodiment, with the air inflow of control Compressed Gas.
In another embodiment of the present invention, also be provided with on the sediment transport pipe 1 among above-mentioned all embodiment and carry sand pump 7, to accelerate the transporting velocity of sand grains.
Corresponding with it, the embodiment of the invention also provides a kind of sand filtration system, and this sand filtration system comprises washed-out sand system and the filtration system among above-mentioned arbitrary embodiment at least.
Referring to Fig. 2, above-mentioned filtration system comprises outlet pipe 8, delivery port 9, lauter tub 10, the water knockout drum 12 that is arranged in the sand filter blanket 11 of lauter tub 10 and places sand filter blanket 11, wherein:
The sewage outlet 22 of drip tray 2 and delivery port 9 are connected by drainpipe;
The vertical height of outlet pipe 8 is higher than the vertical height of body 3 upper edges, and is not higher than the vertical height of drip tray 2 upper edges;
Sediment transport pipe 1 one ends place the sand filter blanket 11 of water knockout drum 12 belows.
In addition, filtration system also comprises the water inlet pipe 13 that is connected with water knockout drum 12.
Above-mentioned sand filtration system works principle is as follows:
During filtration, the sewage water knockout drum 12 of flowing through from water inlet pipe 13 enters sand filter blanket 11 to the upper reaches, through after the filtration of sand filter blanket 11, sewage changes clear water into, and clear water is poly-more many more on sand filter blanket 11, and water level goes up, when water level goes up to outlet pipe 8 places, will discharge outside the lauter tub 10 along outlet pipe 8.In addition, when the clear water water level arrives clean sand and exports 6 places, clear water will enter the body 3 from clean sand outlet 6.Owing in the process of filtering, constantly have sewage to enter the sand filtration system, therefore will constantly produce clear water and discharge by outlet pipe 8, also be that the water level of clear water in the lauter tub 10 will be mutually neat with outlet pipe 8 all the time.And the vertical height of outlet pipe 8 is higher than the vertical height of body 3 upper edges, and the vertical height that is not higher than drip tray 2 upper edges, even be that the clear water that is full of in the body 3 in water itself and the lauter tub 10 still exists liquid level difference, and can not enter body 3 from the upper edge of drip tray 2, therefore will constantly have clear water to enter the body 3 from clean sand outlet 6, the upper edge discharge from body 3 enters the drip tray 2 again;
Washed-out sand process and filter process carry out simultaneously, contaminated sand grains is delivered to dirty sand inlet 4 along sediment transport pipe 1, in compressed air hose 5, enter body 3 under the compressed-air actuated effect at a high speed, because body 3 inner surface contours are gyroscope-like, sand grains, gas, water can be realized the cleaning to sand grains along the inwall rotation and the mutual collision friction of body 3.Because of three's proportion difference, last, clean sand grains will be slipped to along the inwall of body 3 in the lauter tub 10, return sand filter blanket 11, and sewage and gas are then overflowed by the upper edge of body 3, enter in the drip tray 2, be compiled after drainpipe is discharged from delivery port 9 by water receiving pipe 2.So promptly realized the cleaning of dirty sand, and the discharging of washed-out sand water.And, do not exist sand grains to enter the problem of compressed air hose 5 because compressed air hose 5 does not place body 3 bottoms yet.
In other embodiments of the invention, dirty sand inlet 4 can be arranged on the tangential direction of body 3, and so dirty sand can enter along the tangential direction of body 3 in the body 3, to reach better eddy flow effect.
Because the washed-out sand system that provides of all embodiment of the present invention or filtration system do not use aeration tube still can realize by the cleaning of dirty sand grains, therefore avoided using aeration tube and the problem brought.In addition, because aeration tube can take place to stop up and even damage because of entering of sand grains in the prior art, therefore in long-term use, need often aeration tube to be dredged or changed, its operation and maintenance cost is higher, therefore washed-out sand system that above all embodiment of the present invention are provided or filtration system need not to dredge or change then because of need not to use aeration tube, and its operation and maintenance cost is lower.
It is to be noted, the foregoing description is the preferred embodiment that the present invention introduces, and those skilled in the art can design more embodiment on this basis fully, for example, the inside and outside wall profile of body can be funnel-form or up big and down small revolution shape, and sediment transport Guan Yiduan can place the sand filter blanket bottom, or in the lauter tub bottom outlet is set, the sediment transport pipe is connected with this outlet, like this, can finish cleaning to whole sand filter blanket or the like gradually, give unnecessary details no longer one by one at this.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (5)
1. a washed-out sand system comprises sediment transport pipe and sand-washing device, it is characterized in that, described sand-washing device comprises the porose drip tray in bottom, body, dirty sand inlet, compressed air hose and clean sand outlet, wherein:
Described body is a hollow structure, and inner surface contour is gyroscope-like or funnel-form;
Described dirty sand inlet, compressed air hose are arranged on described upper part of body, described clean sand outlet is arranged on the bottom of body, described body is connected with dirty sand inlet and clean sand outlet respectively, and described dirty sand inlet is connected with described sediment transport pipe and compressed air hose respectively;
Described drip tray and described body socket-connect, and described hole and described body are sealed and matched, and the upper edge of described drip tray is higher than the upper edge of described body, and described drip tray is provided with sewage outlet.
2. the system as claimed in claim 1 is characterized in that, described dirty sand inlet is arranged on the tangential direction of described body.
3. system as claimed in claim 1 or 2 is characterized in that described compressed air hose is provided with valve.
4. system as claimed in claim 3 is characterized in that, also is provided with on the described sediment transport pipe and carries sand pump.
5. sand filtration system, it is characterized in that, comprise each described washed-out sand system and filtration system as claim 1-4, described filtration system comprises outlet pipe, delivery port, lauter tub, the water knockout drum that is arranged in the sand filter blanket of lauter tub and places sand filter blanket, wherein:
Described drip tray, body, dirty sand inlet and clean sand outlet place described lauter tub, and are positioned at the top of sand filter blanket;
The sewage outlet of described drip tray is connected by drainpipe with described delivery port;
The vertical height of described outlet pipe is higher than the vertical height of described body upper edge, and is not higher than the vertical height of described drip tray upper edge;
Described sediment transport Guan Yiduan places the sand filter blanket of described water knockout drum below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101380476A CN101780354B (en) | 2010-04-02 | 2010-04-02 | Sand-washing system and sand-filtering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101380476A CN101780354B (en) | 2010-04-02 | 2010-04-02 | Sand-washing system and sand-filtering system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101780354A true CN101780354A (en) | 2010-07-21 |
| CN101780354B CN101780354B (en) | 2012-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101380476A Expired - Fee Related CN101780354B (en) | 2010-04-02 | 2010-04-02 | Sand-washing system and sand-filtering system |
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| Country | Link |
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| CN (1) | CN101780354B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583627A (en) * | 2012-02-24 | 2012-07-18 | 重庆康达环保产业（集团）有限公司 | Active coke extracting and backwashing device used for sewage advanced treatment |
| CN108117126A (en) * | 2017-12-25 | 2018-06-05 | 杭州回水科技股份有限公司 | Seed activity coke adsorption tower washes coke installation |
| CN108126416A (en) * | 2017-12-25 | 2018-06-08 | 杭州回水科技股份有限公司 | Blowdown solid filtrate cleaning separator and method in spiral-flow type |
Citations (9)
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| JPH0947606A (en) * | 1995-08-07 | 1997-02-18 | Ishigaki:Kk | Continuous sand filter apparatus |
| CN1164433A (en) * | 1996-05-02 | 1997-11-12 | 张日养 | Closed horizontal-flow type filter capable of automatically cleaning filtering layer and its filtering method |
| JPH1157526A (en) * | 1997-08-23 | 1999-03-02 | Nippon Genryo Kk | Sand washer |
| CN2380286Y (en) * | 1999-04-26 | 2000-05-31 | 林茂盛 | Continuous sand filter |
| CN2406715Y (en) * | 1999-12-08 | 2000-11-22 | 陈喆 | Filter for continuously recirculating sand-washing |
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| KR20030066164A (en) * | 2002-02-04 | 2003-08-09 | 김용훈 | Ultrasonic Upflow Filter |
| CN2936380Y (en) * | 2005-11-21 | 2007-08-22 | 陈庆生 | Unpowered waste water filtering and sterilizing treating device |
| CN201366262Y (en) * | 2009-02-06 | 2009-12-23 | 于东江 | Hydrotreater capable of continuous filtration |
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2010
- 2010-04-02 CN CN2010101380476A patent/CN101780354B/en not_active Expired - Fee Related
Patent Citations (9)
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|---|---|---|---|---|
| JPH0947606A (en) * | 1995-08-07 | 1997-02-18 | Ishigaki:Kk | Continuous sand filter apparatus |
| CN1164433A (en) * | 1996-05-02 | 1997-11-12 | 张日养 | Closed horizontal-flow type filter capable of automatically cleaning filtering layer and its filtering method |
| JPH1157526A (en) * | 1997-08-23 | 1999-03-02 | Nippon Genryo Kk | Sand washer |
| CN2380286Y (en) * | 1999-04-26 | 2000-05-31 | 林茂盛 | Continuous sand filter |
| CN2406715Y (en) * | 1999-12-08 | 2000-11-22 | 陈喆 | Filter for continuously recirculating sand-washing |
| KR20030066164A (en) * | 2002-02-04 | 2003-08-09 | 김용훈 | Ultrasonic Upflow Filter |
| CN2542313Y (en) * | 2002-05-15 | 2003-04-02 | 麦王国际商务(上海)有限公司 | Quick-sand filtering equipment |
| CN2936380Y (en) * | 2005-11-21 | 2007-08-22 | 陈庆生 | Unpowered waste water filtering and sterilizing treating device |
| CN201366262Y (en) * | 2009-02-06 | 2009-12-23 | 于东江 | Hydrotreater capable of continuous filtration |
Non-Patent Citations (1)
| Title |
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| 《流体机械》 20050430 唐建峰等 含油污砂净化处理技术研究 , 第04期 2 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583627A (en) * | 2012-02-24 | 2012-07-18 | 重庆康达环保产业（集团）有限公司 | Active coke extracting and backwashing device used for sewage advanced treatment |
| CN108117126A (en) * | 2017-12-25 | 2018-06-05 | 杭州回水科技股份有限公司 | Seed activity coke adsorption tower washes coke installation |
| CN108126416A (en) * | 2017-12-25 | 2018-06-08 | 杭州回水科技股份有限公司 | Blowdown solid filtrate cleaning separator and method in spiral-flow type |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101780354B (en) | 2012-01-04 |
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