CN2663551Y - Compound mud scraper for depositing tank - Google Patents
Compound mud scraper for depositing tank Download PDFInfo
- Publication number
- CN2663551Y CN2663551Y CN 200320116478 CN200320116478U CN2663551Y CN 2663551 Y CN2663551 Y CN 2663551Y CN 200320116478 CN200320116478 CN 200320116478 CN 200320116478 U CN200320116478 U CN 200320116478U CN 2663551 Y CN2663551 Y CN 2663551Y
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- mud
- mud scraper
- central axis
- mud scraping
- power transmission
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Abstract
The utility model relates to a duplex type mud scraper used in a sedimentation basin and comprises a central mud scraping rake, and a circumjacent mud scraping rake and so on, while the central mud scraping rake is arranged on the bottom of a central shaft and is driven by a central mud scraping speed reducer and a central shaft; as the central mud scraping rake can rotates faster at the same liner velocity due to the diameter of the central mud scraping rake is small and the rotating speed is 2 to 3.5 times of the circumjacent mud scraping rake, and also the precipitating effect can not be affected because the central mud scraping rake is on the utmost bottom of the basin; the circumjacent mud scraping rake is arranged on the bottom end of the driving shaft and keeps an edge liner velocity of 3m/min and is driven by the circumjacent mud scraping speed reducer, the driving shaft, a small gear and a big pin wheel; the big pin wheel and the circumjacent mud scraping rake are supported on the central shaft and rotate around the central shaft. When used for speed up the clarification tank, a speed reducer, a lifting impeller driven by a hollow shaft and an agitating vane are also arranged. The spoil disposal consistency of the duplex type mud scraper is high and uniform and can save the spoil disposal water by more than 15 to 20 percent and can change the gravity spoil disposal of the sedimentation basin into pressure spoil disposal by the water pressure presses on the spoil disposal tube directly; the standard height of the basin lows a plurality meters. By arranging a mud scraper lifting device, the mud scraping adjusting distance reaches to 200mm and overhauling distance reaches to 360mm.
Description
Technical field the utility model belongs to the water treatment of water supply-drainage discipline and scrapes mud equipment, is a kind of ultra's of processing the compound mud scraper of circle (containing the center symmetric figure) sedimentation basin specifically.
In the past circular (the containing the center symmetric figure) sedimentation basin of background technology, be circular single entry mud scraper, both mud collection area only had one to scrape the mud system at the bottom of the pond, the linear velocity of its diameter maximum cleaning shoe can not be greater than 3m/min (otherwise will influence sedimentation effect), this is for large-scale pond, and cleaning shoe turns around needs the long period.Collection mud amount is big at the bottom of handling high muddy water pond, but the cleaning shoe long period just can scrape once (as the mud collection area of 18m diameter, per hour only can three change and promptly scrape three circles).Because the single entry mud scraper has only consistent angular velocity, the linear velocity of center, past more pond cleaning shoe is low more, and center, pond mud is thick, easily harden, and deposition is easily spread to bulk, easily presses mud scraper, easily stops up mud pipe, and with making a return journey of mud scraper, the spoil disposal change in concentration is big.Therefore, the past just must be strengthened the spoil disposal caliber for the bulk mud of draining prevents to stop up, strengthen the spoil disposal water yield to wash away the clod of periodically scraping when the sedimentation basin that the high muddy water of design is handled.In the turbid phase of non-height (most of the time in 1 year), because of the spoil disposal caliber is big, just must control the spoil disposal gate significantly, cause the sedimentation basin level pressure to be blocked by the spoil disposal gate, form the gravity spoil disposal, promptly the mud behind the spoil disposal gate flows automatically with the gravity gradient.
The summary of the invention the purpose of this utility model is to provide a kind of (circle) compound mud scraper for circle (the containing the center symmetric figure) sedimentation basin that the ultra handles, different at central area at the bottom of the sedimentation basin and peripheral deposition amount and thickness, the mud scraper of different angular velocity is set, make spoil disposal concentration high and even, and sedimentation basin become the pressure spoil disposal of water level pressure vertical compression in mud pipe by the gravity spoil disposal.
For achieving the above object, the technical scheme that the utility model is taked is: the compound mud scraper of this sedimentation basin comprises center mud scraper, peripheral mud scraper etc., the center mud scraper is located at the bottom of central axis, mud is scraped in the centre at the bottom of the pond, scraping mud reductor, central axis transmission by the center, because of its diameter is little of rotating speed height under the Constant Linear Velocity, is 2～3.5 times of peripheral mud scraper, again because of its bottommost in the pond, even rotating speed is higher also can not influence sedimentation effect; The periphery mud scraper is located at the bottom of power transmission shaft, and bottom perimeter is scraped mud in the pond, still keeps the edge line speed of 3m/min, and it scrapes mud reductor, power transmission shaft, pinion and big pin wheel transmission by periphery; Big pin wheel and peripheral mud scraper support and are that axle rotates with the central axis on central axis.
When the compound mud scraper of above-mentioned sedimentation basin is used for accelerating purifying pool, the center scrape the mud reductor below also vertical concentric be provided with by the lifting impeller and the stirrer paddle that promote to stir reductor and Hollow Shaft Transmission.
For mud scraper is pushed down in anti-deposition, also be provided with the mud scraper lifting gear, that is: be provided with screw thread on the top of central axis, dress is supported on hand wheel nut seat and the clamp nut on the bearing on the screw thread, central axis, center mud scraper rotate by fastening being suspended on the bearing between hand wheel nut seat and clamp nut, and by turn hand wheel nut seat adjustable height; Ball and bearing shell are established in the central axis bottom, and peripheral mud scraper supports on it rotation and with together lifting of central axis; The pinion of periphery mud scraper is also established elevating mechanism, be supported on the upward axle bottom of the rotation that is positioned on the bearing, insert the power transmission shaft top of hollow, the two links to each other with feather key and rotates, axially lifting of power transmission shaft, and there is the upper flange of being fixed by nut at last axle middle part, there is the lower flange of screw the upper end of power transmission shaft, described going up between lower flange connects with the positive left-hand thread bolt of being with back of the body cap, rotates positive left-hand thread bolt, drives lower flange interlock power transmission shaft and pinion lifting; Scrape on the central axis of mud reductor bottom at the center, power transmission shaft top respectively is provided with the sleeve type bearing, the sliding sleeve external diameter installs bearing, internal diameter has groove dress O type rubber ring or at internal diameter feather key is set, central axis, power transmission shaft pass sliding sleeve respectively, can move axially in sliding sleeve, rotate in bearing.
The compound mud scraper that is manufactured and designed by such scheme has following characteristics:
1. the utility model is the compound mud scraper that existing center mud scraper has peripheral mud scraper again.The periphery mud scraper is scraped pond bottom perimeter mud and is sent the center mud scraper to, and the linear velocity of peripheral mud scraper outer rim scraper plate still is 3m/min (also being the linear velocity that single entry is scraped mud); The diameter of center mud scraper is little, with rotating speed height under the Constant Linear Velocity, be 2～3.5 times of peripheral mud scraper even higher approximately, can comparatively fast blow mud off and do not have the no bulk that hardens, the mud that makes deposition form high concentration is discharged from (the interruption spoil disposal that contains the non-turbid phase of height), saves more than the spoil disposal water yield 15-20%.
2. the use of this compound mud scraper, there is not bulk because of scraping mud, spoil disposal concentration is high and even, the spoil disposal caliber can suitably reduce, in the interruption spoil disposal of non-high turbidity season (most of the time in 1 year), need not or only control the spoil disposal gate in a small amount to get final product, sedimentation basin water level pressure head is not blocked because of the control significantly of spoil disposal gate, thereby make sedimentation basin become the pressure spoil disposal of water level pressure vertical compression in mud pipe by the gravity spoil disposal, and then reduce the absolute altitude of sedimentation basin and save the operation energy and capital construction cost, maybe needn't establish because of the not enough low level spoil disposal pumping plant of building of landform absolute altitude.
3. this compound mud scraper both can be used for the preliminary sedimentation tank that high muddy water handles (this moment center scrape the mud reductor be satisfied with between machinery on the terrace), can be used for the inclined tube accelerating purifying pool again.Be used for the latter and must establish the lifting mixing plant: promote and stir reductor drive hollow shaft driving lifting impeller and stirrer paddle rotation.The center was scraped the mud reductor and was loaded on and promote stirs on the reductor this moment, and the two is vertically concentric, and central axis passes hollow shaft at the bottom of the pond.Can directly handle high muddy water when being used for the inclined tube accelerating purifying pool, when silt content≤40
Kg/ m
3Shi Buxu preliminary sedimentation tank (must use another patent---inner and outer ring regular polygon accelerating purifying pool).
4. the mud reductor is scraped at the center of this machine, periphery is scraped the mud reductor, promoted and stir reductor, drags by ac adjustable speed motor separately, can adjust rotating speed according to need.
5. this compound mud scraper when the mud amount is excessive, reaches 200mm for anti-deposition just in case push down the mud adjustment stroke of scraping of the peripheral mud scraper of mud scraper, its central axis---center mud scraper---; Remove its maintenance stroke of pinion during maintenance and reach 360mm with convenient repairing.Its periphery is scraped the mud power transmission shaft---pinion also can with central axis---the same lifting 200mm of center mud scraper is when preventing that big pin wheel from promoting with central axis, because of the interference of pinion is decreased mutually.
6. the compound mud scraper that manufactures and designs by such scheme, by the design of reliability (fault-free) standard, if in material, manufacturing, installation, all meet design requirement, be reliable.
Description of drawings Fig. 1 is the structural representation of the compound mud scraper of sedimentation basin.
Fig. 2 is that peripheral mud-scraping apparatus promotes structural representation.
Specific implementation
As shown in Figure 1, the compound mud scraper of sedimentation basin that provides of the utility model---central axis 5---center mud scraper 6 of scraping mud reductor 4 by the center; Periphery is scraped mud reductor 14, and---power transmission shaft 16---form by three parts such as peripheral mud scraper 19 of pinion 17---big pin wheel 18---and lifting impeller 10, stirrer paddle 11.Wherein: this machine is scraped mud partly to be had the center to scrape mud reductor 4, central axis 5, center mud scraper 6 and periphery to scrape parts such as mud reductor 14, pinion lifting appliance 15, power transmission shaft 16, pinion 17, big pin wheel 18, peripheral mud scraper 19.Center mud scraper 6 is located at the bottom of central axis 5, and the center is scraped mud reductor 4 and driven central axis 5---and mud is scraped in mud scraper 6 rotations in center; Center mud scraper 6 is established bearing shell and is centered on the lower shaft of pond, slide and rotation in scraping mud adjustment stroke, and the dress sealing is also lubricated with clean water.Periphery mud scraper 19 is located at the bottom of power transmission shaft 16, it is cycloidal-pin wheel reducers that periphery is scraped mud reductor 14, it drives power transmission shaft 16---pinion 17---big pin wheel 18 and then drives peripheral mud scraper 19 rotations scrapes mud, and peripheral mud scraper 19 is supported by ball on the central axis 5 13 and bearing shell 12 and centers.Bearing shell 22 is equipped with in the bottom of power transmission shaft 16, and it hangs on sedimentation basin ± 0.00 terrace with suspension rod 20 (hold concurrently water profit pipe), and has and support 21 on the sedimentation basin body, so that bearing shell 22 is fixedly positioning.Ball 13, bearing shell 12,22 are non-tender, are manufactured by non-corrosive material, are equipped with the rubber skeleton sealing, in case deposition enters, guarantee that water profit pipe 20 (suspension rod of holding concurrently), 24 is lubricated with clean water.Scrape on the central axis 5 of mud reductor 4 bottoms at the center, power transmission shaft 16 tops respectively are provided with the sleeve type bearing, the sliding sleeve external diameter installs bearing, internal diameter has groove dress O type rubber ring or at internal diameter feather key is set, central axis 5, power transmission shaft 16 pass sliding sleeve respectively, can move axially in sliding sleeve, rotate in bearing.
For accelerating purifying pool, because of the active silt particle that contains a large amount of floccule bodys and residue water purification medicament that must extract the core pool bottom is used for water purification, must establish the lifting mixing plant, promptly the center scrape mud reductor 4 below vertically concentric be provided with lifting impeller 10 and the stirrer paddle 11 that stirs reductor 8 and hollow shaft 9 transmissions by promoting, central axis 5 passes through at the bottom of the pond from hollow shaft 9.
For anti-deposition contingency is pushed down mud scraper 6,19, center mud-scraping apparatus and peripheral mud-scraping apparatus are equipped with the mud scraper lifting gear, its structure and operating principle are as follows: screw thread is arranged at the top of central axis 5, dress is supported on hand wheel nut seat 3 and the clamp nut 2 on the bearing 7 on the screw thread, central axis 5, center mud scraper 6 rotate by fastening being suspended on the bearing 7 between hand wheel nut seat 3 and the clamp nut, and by turn hand wheel nut seat 3 adjustable heights; Ball 13 and bearing shell 12 are established in central axis 5 bottoms, and it goes up 19 supportings of peripheral mud scraper and rotate and with together lifting of central axis 5; When center mud scraper 6 and peripheral mud scraper 19 are all scraped mud; adjusting the height of mud scraper 6,19 shuts down earlier; inhour is unclamped clamp nut 2; again along (instead) hour hands rotation manual nut seat 3; promote (reduction) behind the height that needs (measuring), tighten clamp nut 2 clockwise and get final product by transparent shield 1 place.At this moment, scraping mud adjustment stroke is 200
Mm, removing pinion 17 during maintenance, the maintenance stroke of central axis 5, center mud scraper 6, peripheral mud scraper 19 is 360
Mm
When promoting (decline) (under the condition of not dismantling pinion 17) with mud scraper 6,19, adjust periphery and scrape the lifting of mud pinion 17 (decline) and 5 one synchronous equivalent of central axis, be described as follows in conjunction with Fig. 2: in the motor shaft 15-1 insertion axle 15-2 in, driving the latter by key rotates, be supported on the upward axle 15-2 bottom of the rotation that is positioned on the bearing, insert power transmission shaft 16 tops of hollow, the two links to each other with feather key and rotates, and power transmission shaft 16 can be along the axial lifting of last axle 15-2; There is the upper flange 15-3 that is fixed by nut 15-4 at last axle 15-2 middle part, there is the lower flange 15-5 of screw the upper end of power transmission shaft 16, described going up between lower flange connects with the positive left-hand thread bolt 15-7 that is with back of the body cap 15-6, rotate positive left-hand thread bolt 15-7, drive lower flange 15-5 interlock power transmission shaft 16 and pinion 17 liftings.When needing to adjust, stop peripheral mud scraper earlier, unclamp back of the body cap 15-6, twist positive left-hand thread bolt 15-7 along (instead) hour hands, promptly lower flange 15-5 is upwards proposed (decline), adjust the stroke of power transmission shaft 16 with this, drive pinion 17 again and rise (decline), it scrapes mud adjustment stroke is 200
Mm, must with central axis 5 synchronous equivalent adjustment, after mixing up, tighten back of the body cap 15-6.
Claims (3)
1, the compound mud scraper of a kind of sedimentation basin, it is characterized in that it comprises center mud scraper (6), peripheral mud scraper (19) etc., center mud scraper (6) is located at the bottom of central axis (5), scraping mud reductor (4), central axis (5) transmission by the center, is 2～3.5 times of peripheral mud scraper (19) rotating speed or higher; Periphery mud scraper (19) is located at the bottom of power transmission shaft (16), still keeps the edge line speed of 3m/min, and it scrapes mud reductor (14), power transmission shaft (16), pinion (17) and big pin wheel (18) transmission by periphery; Big pin wheel (18) and peripheral mud scraper (19) support and serve as that axle rotates with central axis (5) on central axis (5).
2, the compound mud scraper of sedimentation basin according to claim 1, when it is characterized in that being used for accelerating purifying pool, the also vertical concentric in below of scraping mud reductor (4) at the center is provided with lifting impeller (10) and the stirrer paddle (11) that stirs reductor (8) and hollow shaft (9) transmission by promoting.
3, the compound mud scraper of sedimentation basin according to claim 1 and 2, it is characterized in that above-mentioned center mud scraper (6), peripheral mud scraper (19) also are provided with the mud scraper lifting gear, that is: be provided with screw thread on the top of central axis (5), dress is supported on hand wheel nut seat (3) and the clamp nut (2) on the bearing (7) on the screw thread, and central axis (5), center mud scraper (6) are by fastening being suspended on the bearing (7) between hand wheel nut seat (3) and clamp nut (2); Ball (13) and bearing shell (12) are established in central axis (5) bottom, and peripheral mud scraper (19) supports on it rotation and with together lifting of central axis (5); The pinion (17) of periphery mud scraper (19) is also established elevating mechanism, be supported on upward axle (15-2) bottom of the rotation that is positioned on the bearing, insert power transmission shaft (16) top of hollow, the two links to each other with feather key, power transmission shaft (16) can be along axially lifting of last axle (15-2), last axle (15-2) middle part has by the fixing upper flange (15-3) of nut (15-4), there is the lower flange (15-5) of screw the upper end of power transmission shaft (16), on described, positive left-hand thread bolt (15-7) with band back of the body cap (15-6) between lower flange connects, rotate positive left-hand thread bolt (15-7), drive lower flange (15-5) interlock power transmission shaft (16) and pinion (17) lifting; The central axis (5) of scraping mud reductor (4) bottom at the center is gone up, power transmission shaft (16) top respectively is provided with the sleeve type bearing, the sliding sleeve external diameter installs bearing, internal diameter has groove dress O type rubber ring or at internal diameter feather key is set, central axis (5), power transmission shaft (16) pass sliding sleeve respectively, move axially in sliding sleeve, rotate in bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320116478 CN2663551Y (en) | 2003-11-09 | 2003-11-09 | Compound mud scraper for depositing tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320116478 CN2663551Y (en) | 2003-11-09 | 2003-11-09 | Compound mud scraper for depositing tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2663551Y true CN2663551Y (en) | 2004-12-15 |
Family
ID=34346268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320116478 Expired - Fee Related CN2663551Y (en) | 2003-11-09 | 2003-11-09 | Compound mud scraper for depositing tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2663551Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106862226A (en) * | 2017-04-05 | 2017-06-20 | 浙江索奥环境技术有限公司 | Sedimentation basin foul smell collection device with revolution mud scraper |
| CN113069801A (en) * | 2021-03-26 | 2021-07-06 | 中冶北方（大连）工程技术有限公司 | Control system and method for thickener |
| CN114130072A (en) * | 2021-12-03 | 2022-03-04 | 王兴文 | Adjustable stirring concentration clarification tank and implementation method thereof |
-
2003
- 2003-11-09 CN CN 200320116478 patent/CN2663551Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106862226A (en) * | 2017-04-05 | 2017-06-20 | 浙江索奥环境技术有限公司 | Sedimentation basin foul smell collection device with revolution mud scraper |
| CN113069801A (en) * | 2021-03-26 | 2021-07-06 | 中冶北方（大连）工程技术有限公司 | Control system and method for thickener |
| CN114130072A (en) * | 2021-12-03 | 2022-03-04 | 王兴文 | Adjustable stirring concentration clarification tank and implementation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |