CN107758813B - A scraping mechanism for sewage treatment - Google Patents
A scraping mechanism for sewage treatment Download PDFInfo
- Publication number
- CN107758813B CN107758813B CN201710780193.0A CN201710780193A CN107758813B CN 107758813 B CN107758813 B CN 107758813B CN 201710780193 A CN201710780193 A CN 201710780193A CN 107758813 B CN107758813 B CN 107758813B
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- mud
- magnetic disk
- strip
- assembly
- magnetic
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/488—Treatment of water, waste water, or sewage with magnetic or electric fields for separation of magnetic materials, e.g. magnetic flocculation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Treatment Of Sludge (AREA)
Abstract
本发明提供了一种用于污水处理的刮渣机构，该刮渣机构包括磁盘组件(1)、刮泥条组件(2)和兜泥条组件(3)；所述磁盘组件(1)和刮泥条组件(2)的轴彼此轴向平行，且所述轴心间的距离大于所述磁盘组件(1)的半径；所述兜泥条组件(3)位于所述磁盘组件(1)的上表面上，其为弧形，且该弧形中心与刮泥条(2)的回转中心重合。本发明将含有磁种的絮状污泥从磁盘设备中完全刮下，实现了污泥与磁设备的完全分离。不仅适用于超磁污水处理工艺，也同样适用于通过投加磁种的污水处理工艺。
The present invention provides a scraping mechanism for sewage treatment, the scraping mechanism comprising a magnetic disk assembly (1), a scraping strip assembly (2) and a scraping strip assembly (3); the axes of the magnetic disk assembly (1) and the scraping strip assembly (2) are axially parallel to each other, and the distance between the axes is greater than the radius of the magnetic disk assembly (1); the scraping strip assembly (3) is located on the upper surface of the magnetic disk assembly (1), is arc-shaped, and the center of the arc coincides with the rotation center of the scraping strip (2). The present invention completely scrapes the flocculent sludge containing magnetic seeds from the magnetic disk device, thereby achieving complete separation of the sludge and the magnetic device. The present invention is not only applicable to supermagnetic sewage treatment processes, but also to sewage treatment processes by adding magnetic seeds.
Description
Technical Field
The invention belongs to the field of sewage treatment, and particularly relates to a slag scraping mechanism for completely scraping flocculent sludge containing magnetic seeds and adsorbed on a magnetic disk.
Background
The magnetic separation is a technology for separating substances by the attraction of a magnetic field provided by a magnet, belongs to a physical separation method, is developed in the United states in the beginning of the 70 th century, can rapidly separate magnetic impurities in a mixture, separates by utilizing the magnetism of impurity particles in wastewater, and makes non-magnetic or weak-magnetic particles in water magnetic by utilizing a magnetic inoculation technology. By means of the action of the external magnetic field, the magnetic suspended solids in the wastewater are separated, so that the aim of purifying the water is fulfilled. Compared with the conventional methods of sedimentation, filtration and the like, the magnetic separation has a series of advantages of large treatment capacity, high efficiency, less energy consumption, simple and compact equipment and the like, and has been successfully applied to the purification of blast furnace gas washing water, steelmaking smoke purification wastewater, steel rolling wastewater and sintering wastewater, and has development prospects in the purification of other industrial wastewater, urban sewage and crust water.
At present, in the super-magnetic sewage treatment process, a flocculating agent and a coagulant aid are added into sewage, fine magnetic seeds are also added, pollutants in the sewage form floccules containing the magnetic seeds under the action of a chemical agent, and when the sewage containing the floccules passes through specific magnetic equipment, the floccules are adsorbed by the magnetic equipment under the action of a magnetic field and are separated from the magnetic equipment under the action of a separating mechanism, and enter a specific floccule scattering mechanism, so that the separation of the magnetic seeds and the floccules is realized, and the purpose of recycling the magnetic seeds is achieved. The separating mechanism in the prior art can not completely separate the floccules from the magnetic equipment, and the adsorption of the magnetic equipment on the floccules can be influenced after a period of time, so that the sewage treatment efficiency is reduced.
Therefore, a separation mechanism is needed that allows complete separation of the flocs from the magnetic device.
Disclosure of Invention
In order to meet the requirement of the prior art for completely separating the sludge from the magnetic equipment in the super-magnetic sewage treatment process. The invention provides a slag scraping mechanism for completely scraping flocculent sludge containing magnetic seeds from magnetic equipment.
The invention is realized by the following technical scheme: a slag scraping mechanism for sewage treatment, which comprises a magnetic disk assembly (1), a mud scraping strip assembly (2) and a mud pocket strip assembly (3); the shafts of the magnetic disc assembly (1) and the mud scraping strip assembly (2) are axially parallel to each other, and the distance between the shaft centers is larger than the radius of the magnetic disc assembly (1); the mud pocket strip assembly (3) is positioned on the upper surface of the magnetic disc assembly (1), is arc-shaped, and the arc center coincides with the rotation center of the mud scraping strip (2).
Preferably, the magnetic disk assembly (1) comprises a magnetic disk (1-1), a magnetic disk fixing block (1-2) with a radius smaller than that of the magnetic disk (1-1) and coaxially arranged with the magnetic disk fixing block, and a magnetic disk clamping block (1-3) fixed with the magnetic disk (1-1) through the magnetic disk fixing block (1-2).
Preferably, the magnetic disk 1-1 is made of the following component materials in percentage by mass: 25.5 to 27.0 percent of Cr, 14.5 to 16.0 percent of Co,3.0 to 3.5 percent of Mo,0.5 to 0.8 percent of Ti and the balance of Fe.
Preferably, the mud scraping strip assembly (2) comprises a mud scraping strip (2-1) and a mud scraping strip fixing block (2-2) fixedly connected with the mud scraping strip (2-1); at least one mud scraping strip (2-1) is uniformly distributed along the center circumference of the mud pocket strip fixing block (2-2).
Preferably, the mud scraping strip 2-1 is prepared from the following component materials in percentage by mass: 4.7% Zn, 1.4% Mg, 0.3Mn, 0.1% Cr, 0.1% Cu, 0.35% Fe, 0.30% Si.
Preferably, the mud scraping strip is welded with the mud scraping strip fixing block.
Preferably, the mud pocket strip assembly (3) comprises a friction block (3-1), a bracket (3-2), a mud pocket strip (3-3) with the length being larger than the radius difference between the magnetic disk (1-1) and the magnetic disk fixing block (1-2) and smaller than the radius of the magnetic disk (1-1), a pin shaft (3-4) and a mud pocket strip fixing block (3-5).
Preferably, the mud pocket strip is made of the following component materials in percentage by mass: 4.5 to 5.6 percent of Mg, 0.05 to 0.2 percent of Mn, 0.05 to 0.2 percent of Cr, 0.10 percent of Cu, 0.40 percent of Fe, 0.30 percent of Si, 0.10 percent of Zn, 0.15 percent of Ti, 0.15 percent of impurity and the balance of Al.
Preferably, the fixing piece is a bolt; the mud pocket strip 3-2 is fixed with the bracket 3-2 through countersunk screws.
Preferably, the friction block (3-1) is fixed at the top end of the bracket (3-2) through a fixing piece, the mud pocket strip (3-3) is fixed on the circumference of the bracket (3-2), and the mud pocket strip fixing block (3-5) is connected with the bracket (3-2) through a pin roll (3-4).
Preferably, the magnetic disk 1 and the rotation center of the mud scraping strip 2 are arranged at a certain distance and angle, the friction block 3-1 at the top end of the mud pocket strip 3 is lapped on the magnetic disk fixing block 1-2, the mud pocket strip fixing block 3-5 at the other end is fixedly connected with external equipment through a fixing piece, and the mud pocket strip 3-3 is tightly attached to the surface of the magnetic disk 1-1.
Preferably, the fixing member is a bolt.
In the super-magnetic sewage treatment process, firstly, when sewage containing magnetic seed flocs passes through a magnetic disk of the magnetic equipment, the magnetic seed flocs are adsorbed to the magnetic disk under the action of a magnetic field, and at the moment, when a mud pocket bar assembly is static, the magnetic disk rotates clockwise, mud containing the magnetic seeds adsorbed on the magnetic disk is scraped into the mud pocket bar by the mud pocket bar, and then the mud containing the magnetic seeds in the mud pocket bar is scraped into a specific mud conveying mechanism under the anticlockwise rotation of the mud scraping bar assembly.
Compared with the closest prior art, the technical scheme provided by the invention has the following excellent effects:
1. The invention can completely scrape the flocculent sludge containing the magnetic seeds from the magnetic disk equipment by utilizing the combination of the sludge scraping bar component and the sludge pocket bar component, and realize the complete separation of the sludge and the magnetic equipment.
2. The mud scraping strip used by the invention has high strength (360-400 MPa), good stress resistance and corrosion resistance and excellent welding performance; the mud pocket strip has good corrosion resistance and long service life of the integral slag scraping mechanism.
3. The invention is suitable for various environments, not only for the super-magnetic sewage treatment process, but also for the sewage treatment process by adding magnetic seeds.
Drawings
FIG. 1 is a block diagram of a sludge scraping mechanism
FIG. 2 is a schematic view of a disk assembly structure
FIG. 3 is a schematic view of a mud strip assembly
FIG. 4 is a schematic view of a mud strip assembly
Wherein:
1-a magnetic disk assembly; 2-a mud scraping strip assembly; 3-mud pocket bar components; 1-1 magnetic disk; 1-2 magnetic disk fixing blocks; 1-3 disk clamp blocks; 2-1 scraping mud strips; 2-2, scraping mud strip fixing blocks; 3-1 friction block; 3-2 brackets; 3-3 mud pocket strips; 3-4 pin shafts; 3-5 mud strip fixing blocks.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings.
1. The invention relates to a structure of a slag scraping mechanism
As shown in fig. 1, the novel slag scraping mechanism for sewage treatment comprises a magnetic disk assembly 1, a mud scraping strip assembly 2 and a mud pocket strip assembly 3;
As shown in FIG. 2, the magnetic disk assembly comprises a magnetic disk 1-1, a magnetic disk fixing block 1-2 and a magnetic disk clamping block 1-3; the magnetic disk 1-1 is fixed with the magnetic disk clamping block 1-3 into a whole through the magnetic disk fixing block 1-1.
As shown in fig. 3, the mud scraping bar assembly comprises a mud scraping bar 2-1 and a mud scraping bar fixing block 2-2; the mud scraping strips 2-1 are connected with the mud scraping strip fixing blocks 2-2 through welding, and three mud scraping strips 2-1 are uniformly distributed along the center circumference of the mud pocket strip fixing blocks 2-2;
as shown in fig. 4, the mud pocket bar assembly comprises a friction block 3-1, a bracket 3-2, a mud pocket bar 3-3, a pin shaft 3-4 and a mud pocket bar fixing block 3-5; the friction block 3-1 is fixed at the top end of the bracket 3-2 through a bolt, the mud pocket bar 3-2 is fixed on the circumference of the bracket 3-2 through a countersunk head screw, and the mud pocket bar fixing block 3-5 is connected with the bracket 3-2 through a pin shaft 3-4.
The magnetic disk 1 and the rotation center of the mud scraping strip 2 are arranged at a certain distance and angle, the arc section center of the mud pocket strip 3 coincides with the rotation center of the mud scraping strip 2, the friction block 3-1 at the top end of the mud pocket strip 3 is lapped on the magnetic disk fixing block 1-2, the mud pocket strip fixing block 3-5 at the other end is fixedly connected with external equipment through bolts, and the mud pocket strip 3-3 is tightly attached to the surface of the magnetic disk 1-1.
The magnetic disk 1-1 is prepared from the following component materials in percentage by mass: 6.0% Cr, 15.0% Co,3.2% Mo,0.7% Ti, and the balance Fe.
The mud scraping strip 2-1 is prepared from the following component materials in percentage by mass: 4.7% Zn, 1.4% Mg, 0.3Mn, 0.1% Cr, 0.1% Cu, 0.35% Fe, 0.30% Si.
The mud pocket strip is prepared from the following component materials in percentage by mass: 5.3% Mg, 0.16% Mn, 0.16% Cr, 0.10% Cu, 0.40% Fe, 0.30% Si, 0.10% Zn, 0.15% Ti, 0.15% impurities, the remainder being Al.
2. The working process of the slag scraping mechanism
When sewage containing magnetic seed floccule sludge passes through the clockwise rotating magnetic disk 1, the magnetic seed floccule sludge is adsorbed on the surface of the magnetic disk 1 under the action of a magnetic field;
with the rotation of the magnetic disk 1 (while the mud pocket 3 is static during normal operation of the novel sludge scraping mechanism for sewage treatment), flocculent mud containing magnetic seeds is completely scraped off by the mud pocket 3-3 in the mud pocket 3, the mud scraping strip 2 rotates anticlockwise along the center, and the scraped mud in the mud pocket 3-3 is scraped off by the mud scraping strip 2-1 and enters the mud conveying mechanism, so that the aim of completely scraping the mud is fulfilled.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and it should be understood by those skilled in the art that modifications and equivalents may be made to the specific embodiments of the present invention with reference to the above embodiments, and any modifications and equivalents not departing from the spirit and scope of the present invention are within the scope of the claims of the present invention.
Claims (4)
1. The slag scraping mechanism for sewage treatment is characterized by comprising a magnetic disk assembly (1), a mud scraping strip assembly (2) and a mud pocket strip assembly (3); the shafts of the magnetic disc assembly (1) and the mud scraping strip assembly (2) are axially parallel to each other, and the distance between the shaft centers is larger than the radius of the magnetic disc assembly (1); the mud pocket strip assembly (3) is positioned on the upper surface of the magnetic disc assembly (1) and is arc-shaped, and the arc center coincides with the rotation center of the mud scraping strip assembly (2);
The mud scraping strip assembly (2) comprises a mud scraping strip (2-1) and a mud scraping strip fixing block (2-2) fixedly connected with the mud scraping strip (2-1); at least one mud scraping strip (2-1) is uniformly distributed along the center circumference of the mud pocket strip fixing block (2-2);
The mud pocket strip assembly (3) comprises a friction block (3-1), a bracket (3-2), a mud pocket strip (3-3), a pin shaft (3-4) and a mud pocket strip fixing block (3-5);
The length of the mud pocket strip (3-3) is larger than the radius difference of the magnetic disk (1-1) and the magnetic disk fixing block (1-2) and smaller than the radius of the magnetic disk (1-1).
2. A sludge scraping mechanism for sewage treatment according to claim 1, wherein the magnetic disk assembly (1) comprises a magnetic disk (1-1), a magnetic disk fixing block (1-2) having a smaller radius than the magnetic disk (1-1) and being arranged coaxially therewith, and a magnetic disk clamping block (1-3) fixed with the magnetic disk (1-1) through the magnetic disk fixing block (1-2).
3. A slag scraping mechanism for sewage treatment according to claim 1, characterized in that the friction block (3-1) is fixed at the top end of the bracket (3-2) by a fixing member; the mud pocket strip (3-3) is fixed on the circumference of the bracket (3-2); the mud pocket strip fixing block (3-5) is connected with the bracket (3-2) through a pin roll (3-4).
4. A sludge scraping mechanism for sewage treatment as claimed in claim 1, wherein the magnetic disk (1) is arranged at a distance and angle from the rotation center of the sludge scraping bar (2); the friction block (3-1) at the top end of the mud pocket strip (3) is lapped on the magnetic disk fixing block (1-2), the mud pocket strip fixing block (3-5) at the other end is fixedly connected with external equipment through a fixing piece, and the mud pocket strip (3-3) is tightly attached to the surface of the magnetic disk (1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710780193.0A CN107758813B (en) | 2017-09-01 | 2017-09-01 | A scraping mechanism for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710780193.0A CN107758813B (en) | 2017-09-01 | 2017-09-01 | A scraping mechanism for sewage treatment |
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| Publication Number | Publication Date |
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| CN107758813A CN107758813A (en) | 2018-03-06 |
| CN107758813B true CN107758813B (en) | 2024-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710780193.0A Active CN107758813B (en) | 2017-09-01 | 2017-09-01 | A scraping mechanism for sewage treatment |
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| CN (1) | CN107758813B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744703A (en) * | 2018-07-19 | 2018-11-06 | 安徽华禹食品有限公司 | A kind of edible oil filter plant and its technique convenient for slagging-off |
| CN112607825A (en) * | 2020-12-23 | 2021-04-06 | 清华海峡研究院（厦门） | System and method for separating oil particles from oily sewage |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201268608Y (en) * | 2008-09-18 | 2009-07-08 | 四川冶金环能工程有限责任公司 | Immersed rare earth magnetic loop separation and wastewater purification apparatus |
| CN207313207U (en) * | 2017-09-01 | 2018-05-04 | 北京航天斯达科技有限公司 | A kind of slag scraping mechanism for sewage disposal |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1875967A4 (en) * | 2005-04-28 | 2010-04-14 | Hitachi Ltd | APPARATUS AND METHOD FOR CLEANING BY MAGNETIC SEPARATION |
| JP4648917B2 (en) * | 2007-03-27 | 2011-03-09 | 株式会社日立製作所 | Magnetic separation filtration purification device |
| CN201495120U (en) * | 2009-09-08 | 2010-06-02 | 江苏天鑫中冶环保设备有限公司 | Magnetic water treatment equipment |
| CN201713410U (en) * | 2010-06-28 | 2011-01-19 | 邓漪 | Disc type magnetic roller separating water purifying equipment |
| CN203048724U (en) * | 2013-01-24 | 2013-07-10 | 李性伟 | Oil-containing sewage and sludge separating device |
| CN204529414U (en) * | 2015-03-06 | 2015-08-05 | 巢湖市聚源机械有限公司 | A kind of disk of sewage solid magnetic subset |
| CN204529415U (en) * | 2015-03-06 | 2015-08-05 | 巢湖市聚源机械有限公司 | A kind of shovel mud device of sewage solid magnetic subset |
| CN204529413U (en) * | 2015-03-06 | 2015-08-05 | 巢湖市聚源机械有限公司 | A kind of separator box of sewage solid magnetic subset |
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2017
- 2017-09-01 CN CN201710780193.0A patent/CN107758813B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201268608Y (en) * | 2008-09-18 | 2009-07-08 | 四川冶金环能工程有限责任公司 | Immersed rare earth magnetic loop separation and wastewater purification apparatus |
| CN207313207U (en) * | 2017-09-01 | 2018-05-04 | 北京航天斯达科技有限公司 | A kind of slag scraping mechanism for sewage disposal |
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| CN107758813A (en) | 2018-03-06 |
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