CN107670349B - High-efficient type skimming mud scraping device - Google Patents
High-efficient type skimming mud scraping device Download PDFInfo
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- CN107670349B CN107670349B CN201711108921.XA CN201711108921A CN107670349B CN 107670349 B CN107670349 B CN 107670349B CN 201711108921 A CN201711108921 A CN 201711108921A CN 107670349 B CN107670349 B CN 107670349B
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- wheel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
- B01D21/183—Construction of the scrapers or the driving mechanisms for settling tanks with multiple scraping mechanisms
Abstract
A high-efficiency slag and mud skimming device. Relates to the field of sewage treatment equipment, in particular to the improvement of a skimming mud scraper. The efficient skimming and mud scraping device has the advantages of exquisite structure, good stability, high reliability, difficulty in false triggering and better structural strength during mud scraping and skimming. The device is arranged in the sedimentation tank and comprises a belt wheel I, a belt wheel II, a belt wheel III, a belt wheel IV, a conveying belt, a plurality of scraping plates and a plurality of connecting components, wherein the belt wheel I and the belt wheel II are arranged at two ends of the position below the liquid level in the sedimentation tank; the surfaces of the belt wheel I, the belt wheel II, the belt wheel III and the belt wheel IV are provided with a plurality of anti-skid bulges; the invention has the characteristics of better structural strength during mud scraping and slag skimming and capability of greatly reducing the stirring degree of pool water.
Description
Technical Field
The invention relates to the field of sewage treatment equipment, in particular to improvement of a skimming mud scraper.
Background
When the sewage treatment sedimentation tank works, sludge is usually settled at the bottom of the tank, and floating bubbles and floating foams are accumulated on the water surface in the tank. In this regard, the applicant filed a chinese patent invention entitled "a skimmer" and "201210065220.3" on 3/13/2012, and proposed a technical solution in which the scraper can be automatically turned over to avoid stirring the liquid in the tank.
However, the applicant has found that, after practical use, the solution still brings about the following drawbacks due to the complicated mechanism: firstly, the precision requirement of each part is high, so that the problem that the scraper cannot be overturned or reset due to sundries clamped among the parts is easily caused, and the probability of false triggering is high; secondly, the connection reliability between the 'mud scraping plate' and the 'running belt' in the scheme is poor, so that the problems of mud scraping failure and the like caused by accidental overturning are very easy to occur after the mud scraping plate is stressed and particularly when bottom mud is scraped; and thirdly, after the scraper plate is turned over, a certain included angle is kept between the scraper plate and the running belt, so that the pool water is still stirred to a larger extent.
Disclosure of Invention
Aiming at the problems, the invention provides the efficient skimming and mud scraping device which is exquisite in structure, good in stability, high in reliability, not prone to false triggering and good in structural strength during mud scraping and skimming.
The technical scheme of the invention is as follows: the device is arranged in a sedimentation tank and comprises a belt wheel I, a belt wheel II, a belt wheel III, a belt wheel IV, a conveying belt, a plurality of scraping plates and a plurality of connecting components, wherein the belt wheel I and the belt wheel II are arranged at two ends of the position below the liquid level in the sedimentation tank, the belt wheel III and the belt wheel IV are arranged at two ends of the position at the upper part of the bottom surface of the sedimentation tank, and the conveying belt is sequentially wound on the belt wheel I, the belt wheel II, the belt wheel III and the belt wheel; the surfaces of the belt wheel I, the belt wheel II, the belt wheel III and the belt wheel IV are provided with a plurality of anti-skid bulges;
the plurality of scraping plates are connected to the conveying belt through the connecting assembly;
the inner side of the conveying belt is also provided with an auxiliary conveying belt, a plurality of magnets are fixedly connected onto the auxiliary conveying belt, and the magnets correspond to the connecting components one to one;
the connecting assembly comprises a main shaft, a mounting seat and a pair of connecting plates, wherein a fracture is formed in the conveying belt, the mounting seat is perpendicular to the conveying belt, two ends of the mounting seat are fixedly connected to two end faces of the fracture respectively, a U-shaped groove used for containing the main shaft is formed in the end face, facing the magnet, of the mounting seat, the end face, facing away from the magnet, of the mounting seat is semicircular, a containing groove used for containing a scraper is formed in the middle of the end face, the main shaft is made of a magnetic material, the main shaft and the scraper are arranged in parallel, two sides of the main shaft and the scraper are fixedly connected through the pair of connecting plates, and the distance between the main shaft and the scraper is larger than;
the first belt wheel comprises a first main wheel and a first auxiliary wheel which are parallel to each other, the first main wheel is hinged in the sedimentation tank, the first auxiliary wheel is fixedly connected in the sedimentation tank, and the first auxiliary wheel is positioned on one side of the first main wheel, which faces the fourth belt wheel, and is arranged between the conveyor belt and the auxiliary conveyor belt;
the belt wheel II comprises a main wheel II and an auxiliary wheel II which are parallel to each other, the main wheel II is hinged in the sedimentation tank, the auxiliary wheel II is fixedly connected in the sedimentation tank, the auxiliary wheel II is positioned on one side of the main wheel II, which faces the belt wheel III, and is arranged between the conveying belt and the auxiliary conveying belt, and a cam II for driving the main shaft is arranged on one side of the auxiliary wheel II;
the third belt wheel comprises a third main wheel and a third auxiliary wheel which are parallel to each other, the third main wheel is hinged in the sedimentation tank, the third auxiliary wheel is fixedly connected in the sedimentation tank, and the third auxiliary wheel is positioned on one side of the third main wheel, which faces the second belt wheel and is arranged between the conveyor belt and the auxiliary conveyor belt;
the fourth belt wheel comprises a fourth main wheel and a fourth auxiliary wheel which are parallel to each other, the fourth main wheel is hinged in the sedimentation tank, the fourth auxiliary wheel is fixedly connected in the sedimentation tank, the fourth auxiliary wheel is positioned on one side of the fourth main wheel, which faces the first belt wheel, and is arranged between the conveying belt and the auxiliary conveying belt, and a fourth cam for driving the main shaft is arranged on one side of the fourth auxiliary wheel.
The inner wall of the containing groove is also provided with at least one protrusion, and the surface of the scraper plate is provided with grooves which correspond to the protrusions one to one and are matched with the protrusions.
The distance between the groove and the end face, facing the main shaft, of the scraper is smaller than the radius of the main shaft.
The end face, facing the mounting seat, of the magnet is provided with a groove for containing the spindle, and the cross section of the groove is arc-shaped.
The radius of the second cam is equal to that of the fourth cam, and the radius of the second cam is equal to the difference between the depth of the U-shaped groove and the diameter of the main shaft.
When the invention is used, the scraper plate keeps an upright state when moving between the second belt wheel and the first belt wheel and between the fourth belt wheel and the third belt wheel, thereby efficiently, conveniently and clearly cleaning the sludge, the floating bubbles and the floating foams in the sedimentation tank; and when the band pulley is one to four to and move between the band pulley is three to two, will keep empting the state to effectively avoid the stirring to the pond water with the mode of laminating in the conveyer belt, make the sedimentation tank remain efficient sedimentation efficiency all the time. The invention has the characteristics of exquisite structure, good stability, high reliability, difficult false triggering, better structural strength during mud scraping and slag skimming and great reduction of the stirring degree of pool water.
Drawings
Figure 1 is a schematic diagram of an embodiment of the present disclosure,
fig. 2 is a schematic structural view of the connecting assembly of the present invention,
figure 3 is a schematic view of the structure of the scraper in the present case,
figure 4 is a left side view of figure 3,
figure 5 is a cross-sectional view taken along line a-a of figure 4,
figure 6 is a cross-sectional view taken along line B-B of figure 4,
figure 7 is a schematic structural view of the mounting base in the present case,
figure 8 is a left side view of figure 7,
FIG. 9 is a cross-sectional view taken along line C-C of FIG. 8;
in the figure, 1 is a sedimentation tank, 11 is a first belt wheel, 111 is a first main wheel, 112 is a first auxiliary wheel, 12 is a second belt wheel, 121 is a second main wheel, 122 is a second auxiliary wheel, 1220 is a second cam, 13 is a third belt wheel, 131 is a third main wheel, 132 is a third auxiliary wheel, 14 is a fourth belt wheel, 141 is a fourth main wheel, 142 is a fourth auxiliary wheel, and 1420 is a fourth cam;
2 is a conveyor belt, 21 is a secondary conveyor belt, 22 is a magnet, and 220 is a groove;
3 is the scraper blade, 4 is the coupling assembling, 41 is the main shaft, 42 is the mount pad, 421 is the U-shaped groove, 422 is the storage tank, 43 is the connecting plate.
Detailed Description
The invention is shown in figures 1-9, and is arranged in a sedimentation tank 1, and comprises a belt wheel I11, a belt wheel II 12, a belt wheel III 13, a belt wheel IV 14, a conveyor belt 2, a plurality of scraping plates 3 and a plurality of connecting components 4, wherein the belt wheel I11 and the belt wheel II 12 are arranged at two ends of the position below the liquid level in the sedimentation tank 1, the belt wheel III 13 and the belt wheel IV 14 are arranged at two ends of the position at the upper part of the bottom surface of the sedimentation tank 1, and the conveyor belt 2 is sequentially wound on the belt wheel I11, the belt wheel II 12, the belt wheel III 13 and the belt wheel IV; the surfaces of the belt wheel I, the belt wheel II, the belt wheel III and the belt wheel IV are provided with a plurality of anti-skid bulges;
the plurality of scraping plates 3 are connected to the conveyor belt 2 through connecting components 4;
an auxiliary conveyor belt 21 is further arranged on the inner side of the conveyor belt 2, a plurality of magnets 22 are fixedly connected to the auxiliary conveyor belt 21, and the magnets 22 correspond to the connecting components 4 one by one;
the connecting assembly 4 comprises a main shaft 41, a mounting seat 42 and a pair of connecting plates 43, the conveyor belt 2 is provided with a fracture, the mounting seat 42 is perpendicular to the conveyor belt 2, two ends of the mounting seat 42 are fixedly connected to two end faces of the fracture respectively, a U-shaped groove 421 for accommodating the main shaft 41 is formed in the end face, facing the magnet 22, of the mounting seat 42, the end face, facing away from the magnet 22, of the mounting seat is semicircular, an accommodating groove 422 for accommodating the scraper 3 is formed in the middle of the end face, the main shaft 41 is made of a magnetic material, the main shaft 41 and the scraper 3 are arranged in parallel, two sides of the main shaft 41 and the scraper 3 are fixedly connected through the pair of connecting plates 43, and the distance between the main shaft 41 and the scraper 3 is larger than the distance; thus, when the main shaft extends into the groove bottom of the U-shaped groove, the scraper is separated out of the mounting seat, so that the scraper can freely rotate around the axis of the main shaft; when the main shaft extends out of the U-shaped groove, the pulling scraper is clamped into the accommodating groove;
the first belt wheel 11 comprises a first main wheel 111 and a first auxiliary wheel 112 which are parallel to each other, the first main wheel 111 is hinged in the sedimentation tank 1, the first auxiliary wheel 112 is fixedly connected in the sedimentation tank 1, and the first auxiliary wheel 112 is positioned on one side, facing the fourth belt wheel 14, of the first main wheel 111 and is arranged between the conveyor belt 2 and the auxiliary conveyor belt 21; the transfer belt and the auxiliary conveyor belt synchronously run under the driving of the first main wheel and are separated at the first auxiliary wheel, so that the main shaft is pushed into the U-shaped groove under the influence of the first auxiliary wheel, the scraper is separated from the accommodating groove, and the vertical state (vertical to the conveyor belt) is changed into the toppling state (parallel to the conveyor belt) under the influence of the resistance of water flow;
the second belt wheel 12 comprises a second main wheel 121 and a second auxiliary wheel 122 which are parallel to each other, the second main wheel 121 is hinged in the sedimentation tank 1, the second auxiliary wheel 122 is fixedly connected in the sedimentation tank 1, the second auxiliary wheel 122 is positioned on one side of the second main wheel 121 facing the third belt wheel 13 and is arranged between the conveyor belt 2 and the auxiliary conveyor belt 21, and a second cam 1220 for driving the main shaft 41 is arranged on one side of the second auxiliary wheel 122; the transfer belt and the auxiliary conveyor belt synchronously run under the drive of the second main wheel and are combined at the second auxiliary wheel before, so that the main shaft drives the scraper blade to turn over under the influence of the second cam, and the main shaft is pulled out of the U-shaped groove under the influence of the magnet in the gradual combination process, so that the main shaft is clamped into the accommodating groove and is kept stable after the main shaft is clamped into the accommodating groove, namely, the main shaft is converted into an upright state from an inclined state;
the third belt wheel 13 comprises a third main wheel 131 and a third auxiliary wheel 132 which are parallel to each other, the third main wheel 131 is hinged in the sedimentation tank 1, the third auxiliary wheel 132 is fixedly connected in the sedimentation tank 1, and the third auxiliary wheel 132 is positioned on one side of the third main wheel 131 facing the second belt wheel 12 and is arranged between the conveyor belt 2 and the auxiliary conveyor belt 21; the transfer belt and the auxiliary conveyor belt synchronously run under the drive of the third main wheel and are separated at the third auxiliary wheel, so that the main shaft is jacked into the U-shaped groove under the influence of the third auxiliary wheel, the scraper blade is separated from the accommodating groove, and the vertical state is changed into the toppling state under the influence of the resistance of water flow;
the fourth belt wheel 14 comprises a fourth main wheel 141 and a fourth auxiliary wheel 142 which are parallel to each other, the fourth main wheel 141 is hinged in the sedimentation tank 1, the fourth auxiliary wheel 142 is fixedly connected in the sedimentation tank 1, the fourth auxiliary wheel 142 is positioned on one side of the fourth main wheel 141 facing the first belt wheel 11 and is arranged between the conveyor belt 2 and the auxiliary conveyor belt 21, and one side of the fourth auxiliary wheel 142 is provided with a fourth cam 1420 for driving the main shaft 41. The transfer belt and the auxiliary conveyor belt synchronously run under the drive of the main wheel IV and are combined at four positions of the auxiliary wheel before, so that the main shaft drives the scraper blade to turn over under the influence of the cam IV, and the main shaft is pulled out of the U-shaped groove under the influence of the magnet in the gradual combination process, so that the main shaft is clamped into the accommodating groove and is kept stable after the main shaft is clamped into the accommodating groove, namely, the main shaft is converted into an upright state from an inclined state;
as shown in fig. 1, the belt wheel I, the belt wheel II, the belt wheel III and the belt wheel IV are distributed clockwise, and the conveyor belt moves along the counter-potential needle direction; after the scraper and the connecting assembly pass through the first belt wheel (namely sequentially pass through the first main wheel and the first auxiliary wheel), the scraper can be changed into a pouring state from an upright state, and the pouring state is kept under the influence of water resistance before contacting the fourth belt wheel; after the scraper blade contacts the belt wheel IV (namely sequentially passes through the auxiliary wheel IV and the main wheel IV), the scraper blade can be changed into an upright state from a dumping state; similarly, the scraper blade is turned over to a toppling state under the action of a third belt wheel (namely sequentially passes through a third main wheel and a third auxiliary wheel), and is turned over to an upright state under the action of a second belt wheel (namely sequentially passes through a second auxiliary wheel and a second main wheel).
The inner wall of the containing groove is also provided with at least one protrusion, and the surface of the scraper plate is provided with grooves which correspond to the protrusions one to one and are matched with the protrusions. Therefore, when the scraper is in an upright state, the bulge in the accommodating groove is clamped into the groove on the scraper, so that the upright state of the scraper is more stable, and the scraper has higher structural strength during skimming and mud scraping; when the scraper is changed from the vertical state to the dumping state, the main shaft can eject the scraper outwards under the action of the first auxiliary wheel or the fourth auxiliary wheel, so that the protrusion is separated from the groove, and the subsequent overturning of the scraper is not influenced.
The distance between the groove and the end face, facing the main shaft, of the scraper is smaller than the radius of the main shaft. Thereby ensuring that the groove can be completely separated from the protrusion when the main shaft retracts into the U-shaped groove, and the overturn of the scraper blade is not influenced.
The end surface of the magnet 22 facing the mounting seat 42 is provided with a groove 220 for accommodating the spindle, and the cross section of the groove 220 is arc-shaped. When the mounting seat is attached to the magnet, the main shaft can extend out of the U-shaped groove, so that the scraper can be clamped into the containing groove.
The radius of the second cam is equal to that of the fourth cam, and the radius of the second cam is equal to the difference between the depth of the U-shaped groove and the diameter of the main shaft. Thereby ensure that every time when scraper blade and coupling assembling pass through a vice wheel two or vice wheel four, the equal anticlockwise upset 90 of scraper blade has effectively guaranteed the holistic operating stability of equipment and reliability.
Claims (5)
1. A high-efficiency skimming and mud scraping device is arranged in a sedimentation tank and comprises a belt wheel I, a belt wheel II, a belt wheel III, a belt wheel IV, a conveying belt, a plurality of scraping plates and a plurality of connecting components, wherein the belt wheel I and the belt wheel II are arranged at two ends of the position below the liquid level in the sedimentation tank, the belt wheel III and the belt wheel IV are arranged at two ends of the position at the upper part of the bottom surface of the sedimentation tank, and the conveying belt is sequentially wound on the belt wheel I, the belt wheel II, the belt wheel III and the belt wheel IV in; the surfaces of the belt wheel I, the belt wheel II, the belt wheel III and the belt wheel IV are provided with a plurality of anti-skid bulges;
the plurality of scraping plates are connected to the conveying belt through the connecting assembly; it is characterized in that the preparation method is characterized in that,
the inner side of the conveying belt is also provided with an auxiliary conveying belt, a plurality of magnets are fixedly connected onto the auxiliary conveying belt, and the magnets correspond to the connecting components one to one;
the connecting assembly comprises a main shaft, a mounting seat and a pair of connecting plates, wherein a fracture is formed in the conveying belt, the mounting seat is perpendicular to the conveying belt, two ends of the mounting seat are fixedly connected to two end faces of the fracture respectively, a U-shaped groove used for containing the main shaft is formed in the end face, facing the magnet, of the mounting seat, the end face, facing away from the magnet, of the mounting seat is semicircular, a containing groove used for containing a scraper is formed in the middle of the end face, the main shaft is made of a magnetic material, the main shaft and the scraper are arranged in parallel, two sides of the main shaft and the scraper are fixedly connected through the pair of connecting plates, and the distance between the main shaft and the scraper is larger than;
the first belt wheel comprises a first main wheel and a first auxiliary wheel which are parallel to each other, the first main wheel is hinged in the sedimentation tank, the first auxiliary wheel is fixedly connected in the sedimentation tank, and the first auxiliary wheel is positioned on one side of the first main wheel, which faces the fourth belt wheel, and is arranged between the conveyor belt and the auxiliary conveyor belt;
the belt wheel II comprises a main wheel II and an auxiliary wheel II which are parallel to each other, the main wheel II is hinged in the sedimentation tank, the auxiliary wheel II is fixedly connected in the sedimentation tank, the auxiliary wheel II is positioned on one side of the main wheel II, which faces the belt wheel III, and is arranged between the conveying belt and the auxiliary conveying belt, and a cam II for driving the main shaft is arranged on one side of the auxiliary wheel II;
the third belt wheel comprises a third main wheel and a third auxiliary wheel which are parallel to each other, the third main wheel is hinged in the sedimentation tank, the third auxiliary wheel is fixedly connected in the sedimentation tank, and the third auxiliary wheel is positioned on one side of the third main wheel, which faces the second belt wheel and is arranged between the conveyor belt and the auxiliary conveyor belt;
the fourth belt wheel comprises a fourth main wheel and a fourth auxiliary wheel which are parallel to each other, the fourth main wheel is hinged in the sedimentation tank, the fourth auxiliary wheel is fixedly connected in the sedimentation tank, the fourth auxiliary wheel is positioned on one side of the fourth main wheel, which faces the first belt wheel, and is arranged between the conveying belt and the auxiliary conveying belt, and a fourth cam for driving the main shaft is arranged on one side of the fourth auxiliary wheel.
2. The efficient skimming and mud scraping device according to claim 1, wherein the inner wall of the containing groove is further provided with at least one protrusion, and the surface of the scraper is provided with grooves corresponding to the protrusions one by one and matched with the protrusions.
3. A high efficiency skimmer device as claimed in claim 2 wherein the distance between the groove and the end of the scraper facing the main shaft is less than the radius of the main shaft.
4. The efficient skimming and mud scraping device as claimed in claim 1, wherein a groove for accommodating the main shaft is formed on the end surface of the magnet facing the mounting seat, and the cross section of the groove is arc-shaped.
5. The high efficiency skimmer device of claim 1, wherein the radius of the second cam and the radius of the fourth cam are equal to the difference between the depth of the U-shaped groove and the diameter of the main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711108921.XA CN107670349B (en) | 2017-11-11 | 2017-11-11 | High-efficient type skimming mud scraping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711108921.XA CN107670349B (en) | 2017-11-11 | 2017-11-11 | High-efficient type skimming mud scraping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107670349A CN107670349A (en) | 2018-02-09 |
| CN107670349B true CN107670349B (en) | 2020-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711108921.XA Active CN107670349B (en) | 2017-11-11 | 2017-11-11 | High-efficient type skimming mud scraping device |
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| Country | Link |
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| CN (1) | CN107670349B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527105A (en) * | 2012-03-13 | 2012-07-04 | 扬州青青环保成套设备有限公司 | Drossing mud scraper |
| CN202460216U (en) * | 2012-03-13 | 2012-10-03 | 扬州青青环保成套设备有限公司 | Belt wheel adjusting device for mud scraper |
| RU2581388C2 (en) * | 2014-07-28 | 2016-04-20 | Олег Савельевич Кочетов | Settler with belt scraper device |
-
2017
- 2017-11-11 CN CN201711108921.XA patent/CN107670349B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527105A (en) * | 2012-03-13 | 2012-07-04 | 扬州青青环保成套设备有限公司 | Drossing mud scraper |
| CN202460216U (en) * | 2012-03-13 | 2012-10-03 | 扬州青青环保成套设备有限公司 | Belt wheel adjusting device for mud scraper |
| RU2581388C2 (en) * | 2014-07-28 | 2016-04-20 | Олег Савельевич Кочетов | Settler with belt scraper device |
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| Publication number | Publication date |
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| CN107670349A (en) | 2018-02-09 |
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