CN204121826U - More medium filter - Google Patents
More medium filter Download PDFInfo
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- CN204121826U CN204121826U CN201420311481.3U CN201420311481U CN204121826U CN 204121826 U CN204121826 U CN 204121826U CN 201420311481 U CN201420311481 U CN 201420311481U CN 204121826 U CN204121826 U CN 204121826U
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- filter
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- housing
- medium filter
- medium
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Abstract
A kind of more medium filter, comprises housing, is arranged on the water-distributing device of lower housing portion, the filter be arranged on water-distributing device, and filter comprises the anthracite coal measure be arranged on porous plate and the quartz sand layer be arranged on anthracite coal measure.The utility model adds filter height, and when just coming into operation after preventing backwash, granule impurity enters the filter sand of more deep layer, adopts purity quartzite and the anthracite of uniform particle sizes simultaneously, prevent the random layer of medium, reduce operating cost, water distribution evenly, backwash is more thorough, and water outlet quality is higher.
Description
Technical field
The utility model relates to a kind of more medium filter.
Background technology
More medium filter utilizes one or more filter mediums, under pressure water higher for turbidity is passed through certain thickness granular or non-grain material, thus effective removing suspended impurity makes the process of clarification of water, conventional filtrate has quartz sand, anthracite, manganese sand etc., be mainly used in water treatment turbidity removal, demineralized water, the prime pretreatment etc. of pure water.
The simple course of work of more medium filter is: raw material enters in housing by water inlet, flows through filtering layer, filter course absorption and trap water in impurity, the water after filtered is flowed out by delivery port.
More medium filter relies on the different types medium of filter interior filling and the medium of different size particles to play impurity in trap water and organic matter.When filled with medium, just will can play filter effect by different media types and the media particle strict layered putting that varies in size, if the dielectric layer put there occurs entanglement, then do not have the effect of filtration, more medium filter also just loses effect.There is random layer in more medium filter, cause after filter uses a period of time to carry out the backwash of big yield often, after there is random layer in more medium filter, medium will be taken out from filter, screen and again put, workload is large, length consuming time, inconvenient operation, adds actual investment cost and equipment operating cost.
Utility model content
The utility model provides a kind of more medium filter, and when can prevent backwash, the random layer of filter generation medium, reduces operating cost, water distribution evenly, backwash is more thorough, and water outlet quality is higher.
In order to achieve the above object, the utility model provides a kind of more medium filter, and this more medium filter comprises housing, is arranged on the water-distributing device of lower housing portion, the filter be arranged on water-distributing device;
The top of described housing arranges water inlet, and the bottom of housing sets out the mouth of a river;
Described filter comprises the anthracite coal measure be arranged on porous plate and the quartz sand layer be arranged on anthracite coal measure;
The height of anthracite coal measure is 300mm ~ 500mm, and the height of quartz sand layer is 700mm ~ 1000mm.
The particle diameter of described anthracite coal measure is greater than the particle diameter of quartz sand layer.
Described anthracite coal measure adopts the anthracite of uniform particle sizes, and quartz sand layer adopts the purity quartzite of uniform particle sizes.
Described water-distributing device comprises porous plate and is arranged on the some drain caps on porous plate.
The bottom of described housing arranges backwash water inlet, and the upper lateral part of housing arranges backwash delivery port.
The top of described housing also sets out gas port.
Described housing also arranges sight glass.
The utility model adds filter height, and when just coming into operation after preventing backwash, granule impurity enters the filter sand of more deep layer, adopts purity quartzite and the anthracite of uniform particle sizes simultaneously, prevent the random layer of medium, reduce operating cost, water distribution evenly, backwash is more thorough, and water outlet quality is higher.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Illustrate preferred embodiment of the present utility model according to Fig. 1 below.
As shown in Figure 1, the utility model provides a kind of more medium filter, and it comprises housing 1, is arranged on the water-distributing device of housing 1 bottom, the filter be arranged on water-distributing device.
Some drain caps 7 that described water-distributing device comprises porous plate 6 and is arranged on porous plate 6.
Described filter comprises the anthracite coal measure 5 be arranged on porous plate 6 and the quartz sand layer 4 be arranged on anthracite coal measure 5; The height of anthracite coal measure 5 is 300mm ~ 500mm, and the height of quartz sand layer 4 is 700mm ~ 1000mm; Anthracite coal measure 5 adopts the anthracite of uniform particle sizes, and quartz sand layer 4 adopts the purity quartzite of uniform particle sizes; The particle diameter of anthracite coal measure 5 is greater than the particle diameter of quartz sand layer 4.
The top of described housing 1 also arranges water inlet 2 and gas outlet 9, and the bottom of housing 1 sets out the mouth of a river 8 and backwash water inlet 11, and the upper lateral part of housing 1 arranges backwash delivery port 10.
Described housing 1 also arranges sight glass 3.
Filter in more medium filter inserts refining anthracite and quartz sand, owing to adopting the size filtrate of variable grain, thus define from top to bottom, by little and large followed order; When water flows through filtering layer from above, in water, the Solid Suspension material of part enters upper strata filtering layer filtrate and defines small eyelet, be subject to absorption and mechanical detention effect retain by the superficial layer of filtrate.Overlap again between these suspended materials be trapped and the effect such as bridge formation simultaneously, just look like form thin film on the surface of filtering layer, continue to filter the suspended material in water, just define so-called membrane filtration.
Multi-medium filtering not only has the effect of membrane filtration, also has permeation filtration effect.Namely this crown_interception is also had when water enters middle filtering layer.In addition, because filtrate is closely aligned each other, suspended material grain flow in water is in filtering layer during those winding ducts, more chance and time is just had mutually to collide with filter material surface and contact, so the suspended material in water sticks mutually at the particle surface of filtrate and floccule body, thus comes in contact coagulation process.
In order to when just coming into operation after preventing backwash, granule impurity enters the filter sand of more deep layer, thus penetrate filtering layer, the utility model appropriately increases filter height, adopts the technological effect that the purity quartzite of uniform particle sizes and anthracite reach perfect simultaneously.
Housing adopts carbon steel anticorrosion, and internal duct adopts flange to be connected with housing, the replacing of convenient maintenance and parts.The material of internal duct parts conforms with the regulations requirement, and it is suitable that securing member is equal to inner pipe fitting material.
Internal duct parts are fixed and are reinforced, and can bear the impact of current.
The material of sight glass is transparent, corrosion resistant, and thickness can bear test pressure during design pressure and the test of filter.
Filter interior water distribution, uniform air distribution, without Biased flow phenomenon, and have enough intensity.
When the pressure reduction of filter reaches setting value, or when requiring lower than the water yield processed, in order backwash is carried out to recover the strainability of filter to filter.
The utility model adds filter height, and when just coming into operation after preventing backwash, granule impurity enters the filter sand of more deep layer, adopts purity quartzite and the anthracite of uniform particle sizes simultaneously, prevent the random layer of medium, reduce operating cost, water distribution evenly, backwash is more thorough, and water outlet quality is higher.
Although content of the present utility model has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple amendment of the present utility model and substitute will be all apparent.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (7)
1. a more medium filter, is characterized in that, this more medium filter comprises housing (1), is arranged on the water-distributing device of housing (1) bottom, the filter be arranged on water-distributing device;
The top of described housing (1) arranges water inlet (2), and the bottom of housing (1) sets out the mouth of a river (8);
Described filter comprises the anthracite coal measure (5) be arranged on porous plate (6) and the quartz sand layer (4) be arranged on anthracite coal measure (5);
The height of anthracite coal measure (5) is 300mm ~ 500mm, and the height of quartz sand layer (4) is 700mm ~ 1000mm.
2. more medium filter as claimed in claim 1, it is characterized in that, the particle diameter of described anthracite coal measure (5) is greater than the particle diameter of quartz sand layer (4).
3. more medium filter as claimed in claim 2, is characterized in that, described anthracite coal measure (5) adopts the anthracite of uniform particle sizes, and quartz sand layer (4) adopts the purity quartzite of uniform particle sizes.
4. more medium filter as claimed in claim 3, it is characterized in that, described water-distributing device comprises porous plate (6) and is arranged on the some drain caps (7) on porous plate (6).
5. more medium filter as claimed in claim 4, it is characterized in that, the bottom of described housing (1) arranges backwash water inlet (11), and the upper lateral part of housing (1) arranges backwash delivery port (10).
6. more medium filter as claimed in claim 5, it is characterized in that, the top of described housing (1) also sets out gas port (9).
7. more medium filter as claimed in claim 6, is characterized in that, described housing (1) also arranges sight glass (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420311481.3U CN204121826U (en) | 2014-06-12 | 2014-06-12 | More medium filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420311481.3U CN204121826U (en) | 2014-06-12 | 2014-06-12 | More medium filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204121826U true CN204121826U (en) | 2015-01-28 |
Family
ID=52378216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420311481.3U Expired - Fee Related CN204121826U (en) | 2014-06-12 | 2014-06-12 | More medium filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204121826U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105011173A (en) * | 2015-06-29 | 2015-11-04 | 胡宗平 | Selenium-enriched water and preparation method thereof |
| CN106045110A (en) * | 2016-07-05 | 2016-10-26 | 柳州钢铁股份有限公司 | Medium filter for treating sewage in steel industry |
-
2014
- 2014-06-12 CN CN201420311481.3U patent/CN204121826U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105011173A (en) * | 2015-06-29 | 2015-11-04 | 胡宗平 | Selenium-enriched water and preparation method thereof |
| CN106045110A (en) * | 2016-07-05 | 2016-10-26 | 柳州钢铁股份有限公司 | Medium filter for treating sewage in steel industry |
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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: 20150128 Termination date: 20190612 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |