CN102390893B - Wastewater treatment device - Google Patents
Wastewater treatment device Download PDFInfo
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- CN102390893B CN102390893B CN 201110323835 CN201110323835A CN102390893B CN 102390893 B CN102390893 B CN 102390893B CN 201110323835 CN201110323835 CN 201110323835 CN 201110323835 A CN201110323835 A CN 201110323835A CN 102390893 B CN102390893 B CN 102390893B
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- Prior art keywords
- filtering
- shell
- filtering net
- waste disposal
- aeration
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Abstract
The invention relates to a wastewater treatment device. The wastewater treatment device comprises a shell and multiple filter units, wherein wastewater can permeate the shell; a first liquid outlet is arranged on the shell; the multiple filter units are arranged in the shell in parallel; each filter unit comprises a filter net and a filter membrane; the filter net is used for intercepting sludge particles, suspended solids and colloid pollutants in wastewater; and the filter membrane is arranged in the filter net and is used for filtering the wastewater subjected to interception of the filter net to obtain recycled water and discharging the recycled water from the first liquid outlet. The wastewater treatment device has the advantages that: since the filter net is used for intercepting large-particle-size pollutants in the wastewater, the contact between the large-particle-size pollutants and the filter membrane is reduced, the pore blockage phenomenon of the filter membrane is improved, the filter resistance is reduced, lower suction pressure is required by the filtering process, the cleaning frequency of the filter membrane is reduced, and the early breakage of the filter membrane is avoided, therefore, the filtering efficiency is improved.
Description
[technical field]
The present invention relates to the treatment unit of wastewater from chemical industry, particularly relate to a kind of waste disposal plant.
[background technology]
Along with the increase of urban population and the development of industrial and agricultural production, the quantity discharged of industrial sewage and city domestic water is also increasing day by day, considerably beyond the self-purification capacity of environment, so that water pollution is day by day serious, and the various places that almost spread all over the country, therefore, people also pollute at the elimination water of making great efforts, and various sewage water treatment methods and technique are pressed and also arisen at the historic moment.At present, generally adopt the individual layer bio-reactor that sewage is reclaimed, sewage water filtration is become the clean water that to recycle, i.e. reuse water.Owing to be used for filtering the hole of film of sewage all below 1 μ m, in the sewage water filtration process, can hold back mud on the reactor, film can be by plug-hole, so that the gradually decline of water flux also can cause great resistance to filtration in addition, thereby need larger swabbing pressure, consume more energy, reduced filtration efficiency; In addition, also need the waste disposal plant routine cleaning, even need clean every day, clean frequently the interruption that has caused the damaged of film and filtered, also caused the reduction of filtration efficiency.
[summary of the invention]
Based on this, be necessary to provide a kind of waste disposal plant that can improve filtration efficiency.
A kind of waste disposal plant comprises:
Shell can see through sewage, and described shell is provided with the first liquid outlet; And
A plurality of filtering units are arranged in the described shell abreast, and each filtering unit comprises:
Filtering net, described filtering net are held back mud granule, levitated object and the colloid pollution thing in the sewage; And
Filtering membrane is arranged in the described filtering net, is used for becoming reuse water through the sewage water filtration that described filtering net was held back, and flows out from described the first liquid outlet.
In a preferred embodiment, described filtering net has the effect of water-permeable and air permeable, described filtering membrane has permeable air-locked effect, also is provided with the first aeration opening that passes into aeration on the described shell, and the aeration that enters between described filtering membrane and the described filtering net discharges through described filtering net.
In a preferred embodiment, be filled with the friction grain of a plurality of suspensions between described filtering membrane and the described filtering net, the aeration that passes into through described the first aeration opening makes described friction grain and described filtering net inwall and described filtering membrane outer wall produce collision and friction.
In a preferred embodiment, described friction grain is spherical.
In a preferred embodiment, described waste disposal plant also comprises two mounting blocks, the filtering net corresponding with it stretched out at the two ends of filtering membrane in described each filtering unit, and described two mounting blocks are fixed in the two ends of the filtering membrane of described a plurality of filtering units in the described shell respectively.
In a preferred embodiment, described waste disposal plant also comprises two anchors, and described two anchors are fixed in the two ends of the filtering net of described a plurality of filtering units in the described shell respectively.
In a preferred embodiment, also be provided with the aeration opening that passes into aeration on the described shell, also be provided with the first aeration opening that passes into aeration on the described shell, described the first aeration opening is located between the described mounting block and described anchor of same end.
In a preferred embodiment, also be provided with the second aeration opening on the described shell, described the second aeration opening is located between the described mounting block and described anchor of same end, and described the first aeration opening and described the second aeration opening are alternately opened.
In a preferred embodiment, it is netted that described shell is cylinder, and the shell wall of described shell is grid-like.
In a preferred embodiment, also be provided with second liquid outlet relative with described the first liquid outlet on the described shell.
Above-mentioned waste disposal plant comprises shell and a plurality of filtering unit, and each filtering unit includes filtering net and is arranged at the interior filtering membrane of filtering net, sewage is in shell enters filtering unit, the process filter screen is held back mud granule, levitated object and the colloid in the sewage, the sewage of holding back through filter screen is bacterium and the virus in the membrane filtration water after filtration again, thereby make sewage become reuse water, and flow out from the first liquid outlet.Because filtering net is to the crown_interception of macrobead pollutent in the sewage, reduced contacting between macrobead pollutent and the filtering membrane, improved the plug-hole phenomenon of filtering membrane, not only reduced filtration resistance, so that only need less swabbing pressure in the filtration procedure, and reduced the wash number of filtering membrane, also avoided the premature breakage of filtering membrane, therefore, above-mentioned waste disposal plant has improved filtration efficiency.
[description of drawings]
Fig. 1 is the sectional view of the waste disposal plant of an embodiment;
Fig. 2 is the enlarged diagram of a filtering unit of waste disposal plant shown in Figure 1.
[embodiment]
Below in conjunction with the drawings and specific embodiments waste disposal plant is described further.
As shown in Figure 1, the waste disposal plant 100 of an embodiment comprises shell 110 and a plurality of filtering unit 120.
Shell 110 is roughly cylindrical.The material of shell 110 can be preferably plastics for stainless steel or plastics, for example acrylic resin (PP resin).Shell 110 can see through sewage, and sewage can be entered in the shell 110.In the present embodiment, the shell wall of shell 110 is grid-like, and when making sewage enter shell 110 from the shell wall of shell 110, grid-like shell 110 can be held back suspension thick in the sewage, the solid pollutant of levitated state, has played the effect of coarse filtration.Shell 110 is provided with the first liquid outlet 112.In the present embodiment, the first liquid outlet 112 is arranged at the end of shell 110, and the reuse water that obtains after the filtration flows out from the first liquid outlet 112.In the present embodiment, also be provided with second liquid outlet 114 relative with the first liquid outlet 112 on the shell 110.Also be provided with the first aeration opening 116 that passes into aeration on the shell 110.In the present embodiment, the first aeration opening 116 is arranged at the shell wall of shell 110 near the place, end.
See also Fig. 2, a plurality of filtering units 120 are roughly long strip shape, and are arranged in parallel to each other in the shell 110, and each filtering unit 120 comprises filtering net 122 and filtering membrane 124.
Filtering net 122 can be held back mud granule, levitated object and the colloid pollution thing in the sewage.In the present embodiment, filtering net 122 has the effect of water-permeable and air permeable, and filtering net 122 is woven mesh, and for example, filtering net 122 can be non-woven fabrics or some cloths, so that gas can discharge from filtering net 122.
In the present embodiment, each filtering unit 120 also comprises the friction grain 126 of a plurality of suspensions of filling between filtering membrane 124 and the filtering net 122, and the aeration that passes into through the first aeration opening 116 makes friction grain 126 and filtering net 122 inwalls and filtering membrane 124 outer walls produce collision and friction.In the present embodiment, friction grain 126 is spherical.In other embodiments, friction grain 126 also can be cylindric, oval spherical or other irregular shape.Can make up and down motion under friction grain 126 effect at air-flow passing into aeration between filtering net 122 and the filtering membrane 124, and bump and rub with the inwall of filtering net 122 and the outer wall of filtering membrane 124, thereby can remove the pollutent that adheres on some filtering net 122 inwalls and filtering membrane 124 outer walls, the prevention pollutent stops up the hole on filtering membrane 124 or the filtering net 122, thereby reduced filtration resistance, so that only need less swabbing pressure in the filtration procedure, save energy, improved filtration efficiency.And because filtering net 122 has the effect of water-permeable and air permeable, and filtering membrane 124 has permeable air-locked effect, so that the aeration that passes between filtering membrane 124 and the filtering net 122 through aeration opening 114 discharges through filter screen 122.Aeration discharges from filtering net 122, can remove the part pollutent that adheres on filtering net 122 outer walls, has played the effect of anti-cleaning, further prevents the hole on the pollutent obstruction filtering net 122, has improved the plug-hole phenomenon of filtering net 122.In the present embodiment, also be provided with the second aeration opening 118, the first aeration opening 116 and the second alternately unlatching of aeration opening 118 on the shell 110.Thereby can pass into by moving the direction of aeration, change the direction of air-flow, thereby change the direction of motion of friction grain 126, more be conducive to remove the pollutent that adheres on filtering net 122 and the filtering membrane 124.
In the present embodiment, waste disposal plant 100 also comprises two mounting blocks 130, the two ends of filtering membrane 124 are stretched out 122, two mounting blocks 130 of the filtering net corresponding with it and respectively the two ends of the filtering membrane 124 of a plurality of filtering units 120 are fixed in the shell 110 in each filtering unit.Mounting block 130 can well be fixed on the filtering membrane 124 of a plurality of filtering units 120 in the shell 110.
In the present embodiment, waste disposal plant 100 comprises that also 140, two anchors 140 of two anchors are fixed in the two ends of the filtering net 122 of a plurality of filtering units 120 in the shell 110 respectively.Anchor 140 can well be fixed on a plurality of filtering nets 122 in the shell 110.In the present embodiment, the first aeration opening 116 and the second aeration opening 118 are located between the mounting block 130 and anchor 140 of same end.Thereby aeration can only be entered between filtering net 122 and the filtering membrane 124, and can not enter from the two ends of filtering membrane 124 filtering membrane 124, and aeration can enter from the end of filtering net 122, the up and down motion of grain 126 under air-flow is conducive to rub.
The operational process of above-mentioned waste disposal plant 100 is as follows:
Sanitary sewage and industrial sewage enter in the shell 110 from the shell wall of shell 110,110 pairs of sewage of shell carry out coarse filtration and hold back the thick suspension of a part, the solid pollutant of levitated state, the sewage that enters in the shell 110 enters a plurality of filtering units 120, hold back macromolecular substance such as mud granule, levitated object and colloid in the sewage outside filtering net 122 through filter screen 122, the sewage of holding back through filter screen 122 passes through bacterium in filter membrane 124 filtered water and virus etc. again, thereby make sewage become reuse water, and discharge from the first liquid outlet 112 and the second liquid outlet 114.
When cleaning sullage treatment unit 100, in the first aeration opening 116, pass into aeration, so that the friction grain 126 between filtering membrane 124 and the filtering net 122 moves up and down and produce collision and friction with filtering membrane 124 outer walls and filtering net 122 inwalls, remove the part pollutent that adheres on filtering membrane 124 outer walls and filtering net 122 inwalls, in addition, aeration discharges in filtering net 122, with the part pollutant removal on filtering net 122 outer walls.By alternately opening the first aeration opening 116 and the second aeration opening 118 change air flow lines.
Above-mentioned waste disposal plant 100 comprises shell 110 and a plurality of filtering unit 120, and each filtering unit 120 includes filtering net 122 and is arranged at filtering membrane 124 in the filtering net 122, sewage is in shell 110 enters filtering unit 120, process filter screen 122 is held back mud granule, levitated object and the colloid in the sewage, the sewage that the process filter screen was held back passes through bacterium and the virus in filter membrane 124 filtered water again, thereby make sewage become reuse water, and flow out from the first liquid outlet 112.Because the crown_interception of macrobead pollutent in 122 pairs of sewage of filtering net, reduced contacting between macrobead pollutent and the filtering membrane 124, improved the plug-hole phenomenon of filtering membrane 124, not only reduced filtration resistance, so that only need less swabbing pressure in the filtration procedure, and reduced the wash number of filtering membrane 124, also avoided the premature breakage of filtering membrane 124, therefore, above-mentioned waste disposal plant 100 has improved filtration efficiency.
Be appreciated that friction grain 126 can omit, the second liquid outlet 114 can omit, and the first aeration opening 116 and the second aeration opening 118 also can be omitted.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. a waste disposal plant is characterized in that, comprising:
Shell can see through sewage, and described shell is provided with the first liquid outlet; And
A plurality of filtering units are arranged in the described shell abreast, and each filtering unit comprises:
Filtering net, described filtering net are held back mud granule, levitated object and the colloid pollution thing in the sewage; And
Filtering membrane is arranged in the described filtering net, is used for becoming reuse water through the sewage water filtration that described filtering net was held back, and flows out from described the first liquid outlet;
Described filtering net has the effect of water-permeable and air permeable, and described filtering membrane has permeable air-locked effect, also is provided with the first aeration opening that passes into aeration on the described shell, and the aeration that enters between described filtering membrane and the described filtering net discharges through described filtering net;
Be filled with the friction grain of a plurality of suspensions between described filtering membrane and the described filtering net, the aeration that passes into through described the first aeration opening makes described friction grain and described filtering net inwall and described filtering membrane outer wall produce collision and friction.
2. waste disposal plant according to claim 1 is characterized in that, described friction grain is spherical.
3. waste disposal plant according to claim 1, it is characterized in that, described waste disposal plant also comprises two mounting blocks, the filtering net corresponding with it stretched out at the two ends of filtering membrane in described each filtering unit, and described two mounting blocks are fixed in the two ends of the filtering membrane of described a plurality of filtering units in the described shell respectively.
4. waste disposal plant according to claim 3 is characterized in that, described waste disposal plant also comprises two anchors, and described two anchors are fixed in the two ends of the filtering net of described a plurality of filtering units in the described shell respectively.
5. waste disposal plant according to claim 4 is characterized in that, also is provided with the first aeration opening that passes into aeration on the described shell, and described the first aeration opening is located between the described mounting block and described anchor of same end.
6. waste disposal plant according to claim 5, it is characterized in that, also be provided with the second aeration opening on the described shell, described the second aeration opening is located between the described mounting block and described anchor of same end, and described the first aeration opening and described the second aeration opening are alternately opened.
7. waste disposal plant according to claim 1 is characterized in that, described shell is cylindrical, and the shell wall of described shell is grid-like.
8. waste disposal plant according to claim 1 is characterized in that, also is provided with second liquid outlet relative with described the first liquid outlet on the described shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110323835 CN102390893B (en) | 2011-10-21 | 2011-10-21 | Wastewater treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110323835 CN102390893B (en) | 2011-10-21 | 2011-10-21 | Wastewater treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102390893A CN102390893A (en) | 2012-03-28 |
| CN102390893B true CN102390893B (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110323835 Expired - Fee Related CN102390893B (en) | 2011-10-21 | 2011-10-21 | Wastewater treatment device |
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| Country | Link |
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| CN (1) | CN102390893B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104761071A (en) * | 2015-03-26 | 2015-07-08 | 常州回天新材料有限公司 | High-performance polyvinylidene fluoride (PVDF) film for water treatment |
| CN108249554A (en) * | 2018-03-06 | 2018-07-06 | 张斐斐 | A kind of sewage-treatment plant |
| US20220268755A1 (en) * | 2019-08-01 | 2022-08-25 | Hach Lange Gmbh | Water sampling immersion probe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2248188Y (en) * | 1995-07-26 | 1997-02-26 | 许忠厚 | Water filter capable of separating waste water from clean water |
| CN101371971A (en) * | 2007-08-24 | 2009-02-25 | 三达膜科技（厦门）有限公司 | Filtering film bag and film bioreactor using the filtering film bag |
| CN201333380Y (en) * | 2008-07-06 | 2009-10-28 | 蔺爱国 | Folded filter element with high filtration flux |
| CN202272784U (en) * | 2011-10-21 | 2012-06-13 | 深圳市超纯环保股份有限公司 | Sewage treatment device |
-
2011
- 2011-10-21 CN CN 201110323835 patent/CN102390893B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2248188Y (en) * | 1995-07-26 | 1997-02-26 | 许忠厚 | Water filter capable of separating waste water from clean water |
| CN101371971A (en) * | 2007-08-24 | 2009-02-25 | 三达膜科技（厦门）有限公司 | Filtering film bag and film bioreactor using the filtering film bag |
| CN201333380Y (en) * | 2008-07-06 | 2009-10-28 | 蔺爱国 | Folded filter element with high filtration flux |
| CN202272784U (en) * | 2011-10-21 | 2012-06-13 | 深圳市超纯环保股份有限公司 | Sewage treatment device |
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| CN102390893A (en) | 2012-03-28 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Sewage treatment equipment Effective date of registration: 20141203 Granted publication date: 20130403 Pledgee: Shenzhen high tech investment and financing Company limited by guarantee Pledgor: Shenzhen Ultrapure Environmental Technology Co., Ltd. Registration number: 2014990001022 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20151021 |
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