CN101759343A - Concentration unit in sludge treatment - Google Patents
Concentration unit in sludge treatment Download PDFInfo
- Publication number
- CN101759343A CN101759343A CN201010039613A CN201010039613A CN101759343A CN 101759343 A CN101759343 A CN 101759343A CN 201010039613 A CN201010039613 A CN 201010039613A CN 201010039613 A CN201010039613 A CN 201010039613A CN 101759343 A CN101759343 A CN 101759343A
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- filtering net
- cylinder
- sludge treatment
- cleaning shoe
- isolating cylinder
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Abstract
The invention provides a concentration unit in sludge treatment which relates to a round tank body [5]. A separating barrel the upper part of which is a screening barrel [1] is arranged in the tank body; a drain cavity [16], and a concentration area [17] are respectively arranged inside and outside the separating barrel; the separating barrel is arranged on the rotating shaft of a blender; a paddle [4] is arranged on the separating barrel through a paddle supporting board [3]; a scraper [7] is arranged in the concentration area, and installed on the wall of the tank body through a scraper supporting rod [8]; a flushing water pipe [9] is arranged in the drain cavity; the work side of the scraper, and the spraying opening of the flushing water pipe are relatively arranged on the whole height of the screening barrel inside and outside the screening barrel. Compared with the prior art, the concentration unit in sludge treatment can guarantee the cooperative operation between the scraper, and the flushing water pipe, thereby guaranteeing the descaling effects of a filter screen, guaranteeing the concentration of the invention to be not stopped due to plugging of the filter screen or other reasons caused by scaling, and guaranteeing the continuity, effectiveness and stability of the concentration operation.
Description
Concentrating unit in a kind of sludge treatment that technical field the present invention relates to, the processing technology field of mud in the genus chemical metallurgy.
Background technology need be dewatered at settled mud in the sewage disposal of flocculation, reduces the final amount of handling such as landfill, sintering.And before sludge dewatering, must the sewage through flocculation be concentrated, to reduce workload and the large number quipments input and the consumption of dehydration procedure.Sewage through flocculation is concentrated what extensively adopt is settling tank, concentration basin method in the past.Expose defectives such as efficient is low, floor space is huge, quantities is big like this.Therefore have Chinese utility model patent ZL 200820120162.9 " throw out concentrating unit in the sludge treatment " to propose concentrating unit in a kind of efficient is higher, floor space the is little sludge treatment, it " is a circular tank, stirrer wherein is installed.Jar outer ring is a chuck, has one it is divided into the isolating cylinders of inside and outside two circles in the promptly said tank body, isolating cylinder with interior be enrichment region, be drain chamber beyond the isolating cylinder.Enrichment region is to constitute with the conical bottom of the cylindrical tube on top and bottom, and concentrated mud outlet is arranged on the awl point of bottom, and an outlet is also arranged at the drain chamber bottom, is the outlet of the water that leached.The top of the cylindrical portions may of said isolating cylinder is the grating that constitutes with grizzly bar ....Stirring rake is arranged, stirring rake in enrichment region ... vertically be installed on according on two cantilevers of cross, cantilever is perpendicular to stir shaft ".But also there are some defectives in concentrating unit in the sludge treatment of this structure; removing as the drift stuck with paste on the grating is very inconvenient; operating speed is reduced even need to shut down and clean, and then have influence on stability, continuity and the efficient of whole sewage disposal through flocculating.Because in concentration process, enter the tank body outer ring through the sewage of the flocculation mixture of water (the poly-group of mud with), water enters the tank body inner ring through filter screen, and impurity such as part flocculation and feeler are stopped on the filter screen of filtering net cylinder.Along with the continuity of time, the flocculation group that is stopped and the thickness of foreign material increase gradually, thereby can reduce water permeable area, at last until block fully or the group of flocculating destroyed, disperse, also along with water enters in the drain chamber, thereby reduce thickening efficiency.Though as Chinese utility model patent ZL200820120139.X " the antiscale structure in the sludge treatment equipment " is disclosed, and " surface-coated that contacts with mud in sludge treatment equipment has one deck fluorine coating." can stop the incrustation on the grating to a great extent, but this coating is stripped from than being easier in sludge treatment, and the folder for some rectangular foreign material twines also and can't offset simultaneously.
The innovation and creation content is at above-mentioned defective, technical problem to be solved by this invention is that concentrating unit is equipped with the structure that can carry out scale removal impurity elimination thing in operation to filtering net, provide a concentrating unit in efficient, stable, the lasting sludge treatment in the sludge treatment to give, for the sludge dewatering operation provides good condition.
Concentrating unit in the sludge treatment provided by the invention, it is a circular tank, one isolating cylinder is arranged in the tank body, isolating cylinder is divided into inside and outside co-axial drain chamber and enrichment region with tank body, isolating cylinder top is circular filtering net cylinder, isolating cylinder has conical bottom, stirrer is installed on the tank body, stirring rake is installed in the enrichment region and exporting through the sewage import of flocculation and the concentrated mud of lower end of upper end arranged, there is the drainage outlet drain chamber lower end, wherein drain chamber is within isolating cylinder, enrichment region is outside isolating cylinder, isolating cylinder is installed in the stirrer rotating shaft, stirring rake is installed on the isolating cylinder through the blade back up pad by blade and constitutes, and also has the cleaning shoe of filtering net cylinder to be fixedly mounted on the tank wall through the cleaning shoe support bar in the enrichment region, and cleaning shoe is between blade and filtering net barrel, have wash tub pipe to pass isolating cylinder lower shaft hole and in sealing is installed in drain chamber, the working edge of cleaning shoe and the water jet of wash tub pipe are relative inside and outside the filtering net cylinder and be arranged on the whole height of filtering net cylinder.
Concentrating unit in the sludge treatment provided by the invention drives isolating cylinder and stirring rake with stirrer, and enrichment region is arranged in outer drain chamber is arranged on, and cleaning shoe can be fixedly mounted on the tank wall filtering net cylinder is scraped mud to operate.The water jet on the wash tub pipe and the working edge of cleaning shoe are every simultaneously filtering net is carried out work inside and outside filtering net, when making the working edge of cleaning shoe scrape on the filtering net outside surface the another side of filtering net have wash-down water from interior toward fit on, make institute scrape loose accumulation and come off.Compared with prior art, the present invention can guarantee cleaning shoe and wash tub pipe compounding practice, thereby guarantee effect to the scale removal work of filtering net, concentration operation of the present invention can not stopped production because of the obstruction of filtering net or the other reasons that causes because of incrustation, guaranteed continuity, validity and the stability of concentration operation.
Said cleaning shoe is that a plurality of spring steel plates are installed on the mud scraping rod and constitute, the relative horizontal plane of each spring steel plate has an angle and has one side to be close on the filtering net barrel, this limit of being close to is a working edge, all there is the working edge of cleaning shoe to be close to mutually on the whole height of filtering net cylinder with the filtration barrel, between adjacent two spring steel plates staggered part is arranged, the intersection of two promptly adjacent spring steel plates is to pass through same horizontal plane simultaneously.A spring steel plate also can be called cleaning shoe, and the cleaning shoe that a plurality of spring steel plates constitute makes it that enough elasticity and dynamics be arranged, and can guarantee that its working edge constantly in the work, constantly wipes the impurity that is adsorbed on the filtering net cylinder wall surface in long-time continuous off; All there is working edge to guarantee that then the whole surface of filtering net barrel all is subjected to the effect of cleaning shoe on the alternation sum filtering net cylinder of adjacent on the overall height.
In order to guarantee to scrape mud effect and scraper plate life-span, can control its cleaning shoe and the surperficial tangential angle of net bucket, increase scraper plate and net bucket contact area, thus the minimizing normal pressure reduces friction, and controls net bucket rotating speed simultaneously, to reduce its wearing and tearing.
Said filtering net cylinder is that the steel bar by the trapezoid cross section is spliced abreast, and the slit of 0.15～0.7mm width is arranged between two steel bars, and short outside degree limit, long base is interior in the trapezoid cross section; Usually filtering net cylinder is that steel bar with the trapezoid cross section vertically is welded on the support ring of level and constitutes.This width is selected according to sludge nature is different.Adopt the existing effect of this spline structure to stop flocculation group to wait impurity to enter drainage, strengthen the filtration area of filter screen again, improve thickening efficiency.
Said stirring rake is divided into stirring rake and lower stirring paddle, is made of with blade back up pad on the straight tube in lower section and the blade that is connected thereof with filtering net cylinder the isolating cylinder top respectively, between the last lower stirring paddle blade tips neutral gear that passes the cleaning shoe support bar is arranged; Last lower stirring paddle blade respectively has and becomes 20～45 ° inclination angle with the tank body bus, and be to recede by sense of rotation from top to bottom in the past, this structure makes flocculation group and impurity be subjected to a pressure in enrichment region, when flocculate group and impurity are scraped off by cleaning shoe, can successfully discharge, guarantee concentrated effect from concentrating the mud outlet.
Said isolating cylinder top is installed in the stirrer rotating shaft, tip at the bottom of the lower taper is installed in the tank base center through axle, this axle is a quill shaft, and wash tub pipe passes from this hollow and enters drain chamber, still links up a drain chamber and a jar outer drainage exit passageway between this quill shaft and the wash tub pipe.
Description of drawings Fig. 1 is the structural representation of one embodiment of the invention, among the figure: 1-reducing motor, 2-end socket, 3-blade back up pad, the 4-agitating vane, 5-tank body, 6-mud scraping rod, the 7-cleaning shoe, 8-cleaning shoe support bar, 9-wash tub pipe, the 10-filtering net cylinder, 11-isolating cylinder bottom, the outlet of 12-drainage, the import of 13-wash-down water, 14-axle bed, 15-concentrate the mud outlet, the 16-drain chamber, the 17-enrichment region, 18-is through the sewage import of flocculation;
Fig. 2 is an I regional enlarged drawing among Fig. 1, among the figure: 3-blade back up pad, 4-agitating vane, 5-tank body, 6-mud scraping rod, 7-cleaning shoe, 8-mud scraping rod support bar, 9-wash tub pipe, 10-filtering net cylinder, 11-isolating cylinder bottom;
Fig. 3 is the axial section (part) of part 10-filtering net bucket among Fig. 1.
Embodiment has a tank body 5 as shown in Figure 1, 2, and an elipse head 2 is respectively arranged up and down, and reducing motor 1 is installed at the upper cover top.One isolating cylinder is arranged in the tank body, isolating cylinder comprises circular cylinder body and tapered bottom, and the top of circular cylinder body is filtering net cylinder 10, and the following isolating cylinder bottom 11 of filtration barrel body is the real inside and outside atresia plate body formations of isolating, and is respectively drain chamber 16 and enrichment region 17 inside and outside the isolating cylinder.The filtering net cylinder upper end is installed on the output shaft of reducing motor, and the tip of lower end tapered bottom is installed on the tank body lower cover center axle bed 14 with one.Simultaneously, filtering net cylinder upper end and filtering net cylinder are respectively to be fixed with agitating vane back up pad 3 on the lower section, have up and down that agitating vane 4 is welded on the blade back up pad and also has other web plates to be connected with the rotating shaft of isolating cylinder, the former stirring rakes of formation such as blade and back up pad are connected on the reducing motor output shaft of reselling spool as stirrer.Agitating vane is a spiral shape, the angle of it and place isolating cylinder bus remain between 20～45 ° and say preceding going up by the sense of rotation of stirrer rotating shaft after have a down dip.A neutral gear is arranged between the plane, place, agitating vane end up and down, have cleaning shoe support bar 8 to pass this neutral gear mud scraping rod 6 is installed on the tank wall.Mud scraping rod is parallel with the filtering net cylinder axis, a plurality of cleaning shoes 7 are installed on it, cleaning shoe is parallel to each other and has angle with horizontal plane, and greater than the difference of altitude between adjacent two cleaning shoes, two promptly adjacent cleaning shoes interlock each cleaning shoe in the standoff height on the vertical surface.Cleaning shoe is made by spring steel plate, and the working edge of cleaning shoe is close on the filtering net under the support of cleaning shoe support bar, and the cleaning shoe support bar is connected with screw-rod structure with tank wall, makes to regulate in fact that border length is the pressure of working edge to filtering net.Tank body has the tangential sewage import 18 through flocculation in enrichment region upper end, concentrated mud outlet 15 is arranged at the bottom of the lower cover.The axle that isolating cylinder is installed on the lower cover is a quill shaft, and the quill shaft lower end is a three-port structure, has wash tub pipe 9 to insert in the drain chamber from the axial passage of quill shaft, and in sealing formation wash-down water import 13 bottom, the bypass of threeway is drainage outlet 12.After wash tub pipe enters in the drain chamber according to axis again level turn back, wash tub pipe after turning back with the same facade of cleaning shoe support bar on, the wash-down water pipe end of this level is installed a vertical wash tub pipe through three-port structure, and the side that this vertical wash tub pipe points to the filtering net barrel has water jet.Make water jet across the working edge of filtering net over against cleaning shoe.Filtering net is to constitute with vertically parallel being welded on the support ring of the steel bar of trapezoid cross section, and the filtering net of formation is lacked the end interior in the long end of its trapezoid cross section as shown in Figure 3 outside, and the slit is 0.3～0.7 between two steel bars the most nearby.Make poly-group of mud or the foreign material can be not solid in the filtering net slit.
During operation, reducing motor drives isolating cylinder and the upper and lower stirring rake that part is a filtering net cylinder and rotates.Mud tangentially enters from top conrotatory veer, and under the agitating vane turning effort, the sewage through flocculating forms screw current downflow state in tank body.In the time of under the sewage screw through flocculating, liquid phase enters in the drain chamber through filtering net cylinder, discharges from the drainage outlet.On the surface of filtering net, cleaning shoe is constantly wiped flocculation group and the impurity that is adsorbed on net bucket surface off.Constantly filtering net is washed in cleaning shoe washpipe water water jet in the inboard of filtering net simultaneously, removal remains in the impurity in the filtering net crack, guarantee its water permeable area, preventing because of water permeable area reduces, the drainage flow velocity is too fast and destroy flocculation group and cause broken flocculation group to enter in the drain chamber.
Because the whole concentrating unit of environmental protection for the benefit of seals, tensimeter and vent valve also have been installed on the tank body upper cover to guarantee operational safety.Device starts back mud and begins to enter when jar interior, opens vent valve, and exhausted air guarantees that interior mud of its jar and drainage have a certain amount of.Can observe the tensimeter numerical value change in the work, can reduce pressure through vent valve when pressure is extraordinary.Can reach the liquid level of mud and the difference of altitude of filtrate liquid level by adjusting drainage quantity discharged and mud handling capacity simultaneously, make enough filtration pressure heads.
This example is comparison perfection, a practical scheme, but does not represent that all technical characterictics are must possess or irreplaceable, promptly under the guidance of technology contents disclosed by the invention and prior art content, can propose some different embodiments.
Claims (6)
1. the concentrating unit in the sludge treatment, it is a circular tank, one isolating cylinder is arranged in the tank body, isolating cylinder is divided into inside and outside co-axial drain chamber and enrichment region with tank body, isolating cylinder top is circular filtering net cylinder, isolating cylinder has conical bottom, stirrer is installed on the tank body, stirring rake is installed in the enrichment region and exporting through the sewage import of flocculation and the concentrated mud of lower end of upper end arranged, there is the drainage outlet drain chamber lower end, it is characterized in that drain chamber is within isolating cylinder, enrichment region is outside isolating cylinder, isolating cylinder is installed in the stirrer rotating shaft, stirring rake is installed on the isolating cylinder through the blade back up pad by blade and constitutes, and also has the cleaning shoe of filtering net cylinder to be fixedly mounted on the tank wall through the cleaning shoe support bar in the enrichment region, and cleaning shoe is between blade and filtering net barrel, have wash tub pipe to pass isolating cylinder lower shaft hole and in sealing is installed in drain chamber, the working edge of cleaning shoe and the water jet of wash tub pipe are relative inside and outside the filtering net cylinder and be arranged on the whole height of filtering net cylinder.
2. the concentrating unit in the sludge treatment as claimed in claim 1, it is characterized in that said cleaning shoe is that a plurality of spring steel plates are installed on the mud scraping rod, the relative horizontal plane of each spring steel plate has an angle and has one side to be close on the filtering net barrel, this limit of being close to is a working edge, all there is the working edge of cleaning shoe to be close to mutually on the whole height of filtering net cylinder with the filtration barrel, between adjacent two spring steel plates staggered part is arranged, the intersection of two promptly adjacent spring steel plates is to pass through same horizontal plane simultaneously.
3. the concentrating unit in the sludge treatment as claimed in claim 1, it is characterized in that said filtering net cylinder is that steel bar by the trapezoid cross section is spliced abreast, the slit that 0.15～0.7mm width is arranged between two steel bars, the degree limit that lack outside on long base in the trapezoid cross section is interior.
4. the concentrating unit in the sludge treatment as claimed in claim 3 is characterized in that filtering net cylinder is that steel bar with the trapezoid cross section vertically is welded on the support annulus of level and constitutes.
5. the concentrating unit in the sludge treatment as claimed in claim 1, it is characterized in that said stirring rake is divided into stirring rake and lower stirring paddle, constitute with blade back up pad on the straight tube in lower section and the blade that is connected thereof with filtering net cylinder by the isolating cylinder top respectively, between the last lower stirring paddle blade tips neutral gear that passes the cleaning shoe support bar is arranged; Last lower stirring paddle blade respectively has and becomes 20～45 ° inclination angle with the tank body bus, and is to recede by sense of rotation from top to bottom in the past.
6. the concentrating unit in the sludge treatment as claimed in claim 1, it is characterized in that said isolating cylinder top is installed in the stirrer rotating shaft, tip at the bottom of the lower cone shape is installed in the tank base center through axle, this axle is a quill shaft, wash tub pipe passes from this hollow and enters drain chamber, still links up a drain chamber and a jar outer drainage exit passageway between this quill shaft and the wash tub pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100396138A CN101759343B (en) | 2010-01-06 | 2010-01-06 | Concentration unit in sludge treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100396138A CN101759343B (en) | 2010-01-06 | 2010-01-06 | Concentration unit in sludge treatment |
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| Publication Number | Publication Date |
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| CN101759343A true CN101759343A (en) | 2010-06-30 |
| CN101759343B CN101759343B (en) | 2011-08-17 |
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| CN2010100396138A Active CN101759343B (en) | 2010-01-06 | 2010-01-06 | Concentration unit in sludge treatment |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103159392A (en) * | 2013-03-29 | 2013-06-19 | 江苏涞森环保设备有限公司 | Mixing flocculating device in sludge treatment system |
| CN104591520A (en) * | 2015-01-29 | 2015-05-06 | 浙江科力尔环保设备有限公司 | Sludge concentration and dehydration all-in-one machine |
| CN104609696A (en) * | 2015-01-29 | 2015-05-13 | 浙江科力尔环保设备有限公司 | Sludge concentration device and sludge concentration method |
| CN105645731A (en) * | 2016-01-19 | 2016-06-08 | 杭州国泰环保科技股份有限公司 | Secondary concentration kettle for concentrating sludge and sludge treatment method thereof |
| CN108911450A (en) * | 2018-09-20 | 2018-11-30 | 杭州国泰环保科技股份有限公司 | Sludge concentrator |
| CN111453966A (en) * | 2020-06-03 | 2020-07-28 | 魏聪 | High-efficient type desliming machine for sewage treatment |
| TWI739726B (en) * | 2013-10-04 | 2021-09-21 | 奧地利商愛麗瑪工程回收機械公司 | Filter device |
| CN113750605A (en) * | 2021-09-26 | 2021-12-07 | 无锡工艺职业技术学院 | Environment-friendly is self-cleaning filter for sewage treatment |
| CN114477693A (en) * | 2022-03-07 | 2022-05-13 | 中原环保股份有限公司 | Slag collecting device and sludge dewatering treatment system |
-
2010
- 2010-01-06 CN CN2010100396138A patent/CN101759343B/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103159392A (en) * | 2013-03-29 | 2013-06-19 | 江苏涞森环保设备有限公司 | Mixing flocculating device in sludge treatment system |
| CN103159392B (en) * | 2013-03-29 | 2014-07-30 | 江苏涞森环保设备有限公司 | Mixing flocculating device in sludge treatment system |
| TWI739726B (en) * | 2013-10-04 | 2021-09-21 | 奧地利商愛麗瑪工程回收機械公司 | Filter device |
| CN104591520A (en) * | 2015-01-29 | 2015-05-06 | 浙江科力尔环保设备有限公司 | Sludge concentration and dehydration all-in-one machine |
| CN104609696A (en) * | 2015-01-29 | 2015-05-13 | 浙江科力尔环保设备有限公司 | Sludge concentration device and sludge concentration method |
| CN105645731A (en) * | 2016-01-19 | 2016-06-08 | 杭州国泰环保科技股份有限公司 | Secondary concentration kettle for concentrating sludge and sludge treatment method thereof |
| CN105645731B (en) * | 2016-01-19 | 2018-09-07 | 杭州国泰环保科技股份有限公司 | The secondary concentration kettle and its method for sludge treatment of thickened sludge |
| CN108911450A (en) * | 2018-09-20 | 2018-11-30 | 杭州国泰环保科技股份有限公司 | Sludge concentrator |
| CN111453966A (en) * | 2020-06-03 | 2020-07-28 | 魏聪 | High-efficient type desliming machine for sewage treatment |
| CN113750605A (en) * | 2021-09-26 | 2021-12-07 | 无锡工艺职业技术学院 | Environment-friendly is self-cleaning filter for sewage treatment |
| CN114477693A (en) * | 2022-03-07 | 2022-05-13 | 中原环保股份有限公司 | Slag collecting device and sludge dewatering treatment system |
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| CN101759343B (en) | 2011-08-17 |
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Address after: No. 7, Haizhou Road, Gan Ying Town, Dinghai District, Zhoushan, Zhejiang Province Patentee after: Zhejiang Keli Environmental Protection Equipment Co., Ltd. Address before: No. 7, Hau Chau Road, dry town, Dinghai District, Zhoushan, Zhejiang Province Patentee before: Zhejiang Kclear Environmental Protection Equipment Co., Ltd. |