CN103964547B - Method for removing oxidation ditch scum - Google Patents
Method for removing oxidation ditch scum Download PDFInfo
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- CN103964547B CN103964547B CN201410227311.1A CN201410227311A CN103964547B CN 103964547 B CN103964547 B CN 103964547B CN 201410227311 A CN201410227311 A CN 201410227311A CN 103964547 B CN103964547 B CN 103964547B
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Abstract
The invention discloses a method for removing oxidation ditch scum, which is characterized in that an oxidation ditch scum fetcher is arranged in an upstream ditch of a secondary settlement tank, a grid is arranged in the oxidation ditch scum fetcher to intercept oxidation ditch scum, a scraper with grapping teeth on the lower part is arranged in the oxidation ditch scum fetcher to grab scum, and a scraper lifting device is arranged in the oxidation ditch scum fetcher to implement reciprocating lifting on the scraper; and meanwhile, a float switch for automatically detecting water level is arranged upstream the oxidation ditch scum fetcher, and is used for controlling a winding motor starting circuit to be on and start working when detecting the rise of the water level and controlling the winding motor starting circuit to be off and stop fetching the scum when detecting the fall of the water level. The method is specially designed for oxidation ditch scum, has the advantages of favorable clearing effect for oxidation ditch scum, high automation degree of equipment and the like, and can implement automatic operation of scum fetching.
Description
Technical field
The present invention relates to the sewage disposal technology in a kind of sewage work, especially a kind of clinker removal method of oxidation ditch scum silica frost.
Background technology
Pre-treatment is the primary link of sewage disposal, also the treatment stage of being comparatively crucial early stage, coarse rack and fine fack is adopted to stop when being generally Sewage Plant water inlet, the coarse rack in early stage, fine fack stop the thickness foreign material in sewage respectively, object avoids floating matter to enter follow-up phase, impact art breading effect below.But existing thickness grid effect is not fairly obvious, they can not stop the floating matter being greater than 10mm to enter aftertreatment systems completely, as leaf, toilet paper, cigarette filter first-class fiber-enriched shape object.When these objects enter the core position of sewage disposal---after oxidation ditch, in biochemical system in time of 5-7 days, due to the chemical action of chemical substance in the biochemical action of microorganism, the physical action of mechanical means and water, large amount of organic is degenerated, the floating matter entered forms a large amount of fibrous objects, under the flow action that these fibrous objects constantly circulate at oxidation ditch, be mutually wound around and be woven into a large amount of suspension waste residues, and then follow-up sewage disposal is worked the mischief.
Specifically, scum silica frost is with next link of flow direction---second pond, before entering second pond, first will by the distributing hole of second pond, the distributing hole of second pond has a water distribution board, and these fibrous scum silica frost are when by water distribution board, be subject to certain stop, part scum silica frost hangs on baffle plate, deposits for a long time, just causes the blocking of distributing hole.According to the practical operation situation of Sewage Plant, substantially will stop production each season, then emptying second pond clear up distributing hole, this needs about 5 people just can complete cleaning work in about two days consuming time.Meanwhile, a large amount of scum silica frost is also had to enter second pond, and rear section enters return-flow system, blocking residual sludge pump, within 8 hours, calculate by excess sludge pump work every day, every day on average will block about 10 times, each cleaning needs half an hour consuming time, need artificial 3 people, this had both affected the normal operation of production, again at substantial human and material resources.
Therefore, be necessary to salvage described scum silica frost.The mode generally adopting artificial salvaging or machine to salvage in current each sewage work skims scum silica frost.But rely on and manually drag for slag, exist and drag for slag labour intensity greatly, inefficiency, security low (there is the potential safety hazard that workman calls in inlet channel), and drag for the clean defect thoroughly, not in time of slag.
In prior art, also part is had to realize the technology to the cleaning of oxidation ditch scum silica frost by equipment, a kind of oxidation ditch dross removing device disclosed in China's number of patent application 201310240084, its structure comprises scarfing cinder groove, cell body seat, overturn system, dreg removing system and slag bucket dolly, cell body seat is fixed on oxidation ditch pool wall, scarfing cinder groove is the U-shaped elongated slot be arranged on cell body seat, gusset plate on the connecting rod of overturn system and scarfing cinder groove U-shaped end plate is hinged, the lower bottom part of scarfing cinder groove is provided with a slag notch, be connected with the flexible pipe of dreg removing system, lead to slag bucket dolly.This device adopts the mode of resupination drainage to carry out scarfing cinder deslagging, use and comparatively bother, and slagging-off effect is poor.
In prior art, part is also had to adopt the mode of grid to carry out the equipment that slag is dragged in debris retaining, a kind of water channel grate formula slag removal equipment etc. such as disclosed in China's number of patent application 201020022569.5, but these equipment are not the special scum silica frost feature for oxidation ditch and design, not pointed, the scum silica frost not being suitable for oxidation ditch is removed.
In sum, be necessary to design a kind of, the oxidation ditch dragveyer that level of automation high good to oxidation ditch scum silica frost elimination effect that design for oxidation ditch scum silica frost specially.
Summary of the invention
For the deficiencies in the prior art, technical problem to be solved by this invention is, how to provide a kind of design for oxidation ditch scum silica frost specially good to oxidation ditch scum silica frost elimination effect, the clinker removal method of the oxidation ditch scum silica frost that level of automation is high.
In order to solve the problems of the technologies described above, in the present invention, have employed following technical scheme:
A kind of clinker removal method of oxidation ditch scum silica frost, it is characterized in that, inside the irrigation canals and ditches of second pond upstream, oxidation ditch dragveyer is set, the interception of grid realization to oxidation ditch scum silica frost is set in oxidation ditch dragveyer, arrange bottom in oxidation ditch dragveyer there is the scraper plate that can be inserted into grasping teeth in grid gap with grid coupling to realize grabbing slag, arrange the reciprocal lifting of scraper plate lifting gear realization to scraper plate in oxidation ditch dragveyer, scraper plate lifting gear drives reel to rotate by coiling electric motor and then realizes controlling the lifting of scraper plate by wireline; The automatic sensed water level of float switch is set in oxidation ditch dragveyer upstream simultaneously, controls the connection of coiling electric motor start-up circuit when detecting that water level goes up and start working, control coiling electric motor start-up circuit disconnection stopping when water level decreasing being detected and drag for slag.
In the present invention, devise dragveyer to carry out dragging for slag, the float switch simultaneously arranged by dragveyer upstream detects dragveyer upper pond level, judges scum silica frost winding, according to the automatic control of scum silica frost winding realization to dragveyer, high efficiency automatic collector of residue can be achieved.Have complete unmanned on duty, can generate according to actual scum silica frost the effect that situation realizes automatically dragging for slag.
Method of the present invention, specifically comprises the following steps:
A, the oxidation ditch dragveyer of following structure is set inside the irrigation canals and ditches of second pond upstream, described oxidation ditch dragveyer, comprise the overall frame for rectangular frame structure, rack inclining is arranged in irrigation canals and ditches and lower, transverse has been connected to form flase floor, flase floor is provided with the grid for debris retaining; Grid is the vertical bar grid arranged along bracket height direction, upper surface frame being positioned at flase floor also correspondence is provided with scraper plate, scraper plate bottom has mates the grasping teeth that can be inserted in grid gap with grid, frame above flase floor is formed and throws slag window, the frame back lower place of throwing slag window corresponding is provided with dreg-accepting hopper, frame is also provided with for driving scraper plate at flase floor and throwing the scraper plate lifting gear be elevated between slag window;
Described scraper plate lifting gear, comprise a reel be arranged on the mounting plate of upper rack, reel has horizontally disposed rotating shaft, rotating shaft one end is connected with a coiling electric motor, scraper plate lifting gear also comprises wireline, wireline lower end is connected on scraper plate, and wireline upper end upwards solderless wrapped connection is crossed one and is suspended on to be wound around after the fixed pulley of frame top and arranges on a bobbin; Also comprise lifting switching mechanism, described lifting switching mechanism comprises one section of thread segment in described rotating shaft, thread segment is arranged with matchingly a nut, nut has one and be affixed the limit part that also can limit nut and rotate with mounting plate, the mounting plate that thread segment two ends are corresponding is also provided with two and proximity switch corresponding to nut, two proximity switches are connected in the positive and reverse rotation control circuit of coiling electric motor;
The both sides at the upper and lower two ends of described scraper plate are fixedly installed a stationary shaft, stationary shaft one end stretches out and is provided with a roller be positioned at outside scraper plate, frame both sides inner surface is provided with the raceway with roller coupling, raceway comprises lower raceway and upper raceway, lower raceway is positioned at flase floor and throws in the frame of slag window two side position, upper raceway is positioned at flase floor two side position and is set in parallel in the frame above lower raceway, upper raceway lower end position is shorter than lower raceway lower end position, upper raceway upper end position is hinged with one piece of lap plate, lap plate upper end is overlapped on lower raceway by gravimetric tilt,
Also comprise automatic control device, described automatic control device, comprise the float switch be arranged on the irrigation canals and ditches inner side-wall of frame upstream, what float switch was connected to coiling electric motor breaks in pilot circuit, float switch comprises a support arm be horizontally fixed on trip irrigation canals and ditches inner side-wall, support arm is vertically provided with a support bar, support bar lower end is fixedly installed a position-arresting disk, on support bar above position-arresting disk, movable sleeve is provided with a float, float upper support bar is provided with a proximity switch, what proximity switch was connected to coiling electric motor breaks in pilot circuit;
B, according to testing inspection, regulate and set in float switch the height location of disk on support bar that proximity switch is set, make scum silica frost on itself and grid in water level coupling when needing cleaning state, namely realize dragveyer and automatically run;
When dragveyer runs, scum silica frost is down tackled by grid from irrigation canals and ditches upstream, when in grid, scum silica frost is accumulate to and needs cleaning state, the rise of frame upper pond level, float floats with water level and causes the proximity switch on disk to be connected on support bar, and the pilot circuit that breaks of coiling electric motor is connected, dragveyer unlatching work, coiling electric motor drives reel to rotate back and forth, and drives the scraper plate realization that pumps to drag for slag by wireline;
When above-mentioned scraper plate pumps, by the cooperation of roller and raceway, realize the reciprocal lifting of scraper plate; When making scraper plate descending, the roller of both sides, scraper plate lower end is walked upper raceway from the lower raceway throwing slag window both sides through lap plate, scraper plate lower end roller falls in lower raceway after upper raceway again, and now grasping teeth cooperation is inserted in grid gap from grid lower end; Then when scraper plate promotes, the roller of scraper plate lower end is upwards walked from lower raceway, scraper plate is remained and upwards to run with being adjacent to of flase floor, realize the crawl of scum silica frost; The roller of scraper plate lower end is upwards through lap plate, and continuing after squeezing lap plate to throw slag window upward to reaching, realizing throwing slag, resetting under deadweight after lap plate is squeezed is overlapped on lower raceway again, realizes circulation and drags for slag;
Slag is dragged in the circular flow up and down of above-mentioned scraper plate, control by lifting switching mechanism, in lifting switching mechanism, two proximity switches control the rotating forward reversion of coiling electric motor automatically, drive reel take-up or unwrapping wire, and then the automatic control realized scraping plate lifting, slag is dragged in the circulation realizing automatically controlling;
After scum silica frost most of on grid is picked up, grid water amount becomes large, and frame upper pond level reduces, and float falls with water level, and the proximity switch on disk disconnects, and the pilot circuit that breaks automatically controlling coiling electric motor disconnects, and stops dragging for slag.
Of the present inventionly drag for slag method, the start and stop of slag can be dragged for according to water level Automatic Detection and Control, drag for the reciprocation cycle that slag process can control drag for by lifting switching mechanism slag, achieve the full-automatic slag that drags for and control.On duty without the need to operative, improve and drag for slag efficiency and save artificial.It is simple that the dragveyer simultaneously designed has structure, and it is smooth and easy stable to drag for slag work, and it is high to drag for slag efficiency, the feature that level of automation is high.
As optimization, in oxidation ditch dragveyer, described slab integral of scraping is tabular body structure, scraper plate lower edge has aduncate bend and gives birth to grasping teeth in a row in bend front end, form storage slag space when described bend is used for dragging for slag, described scraper plate and bend thereof are provided with the leaking hole of evenly arranging.
After such optimization, scraper plate drags for slag by grasping teeth, and scum silica frost is removed more reliable, the leaking hole of setting, and can sluice dragging in slag process, the weight that gentlier need promote, is beneficial to plant running.
As optimization, in oxidation ditch dragveyer, described scraper plate is also fixedly installed counterweight.
The setting of configuration part, can improve scraper plate gravity, make scraper plate to fit on flase floor better, improves and grabs in slag and lifting process the stability that scum silica frost captures.During concrete enforcement, counterweight can be set to the tube structure being with screw-cap further, like this, can by screw-cap of outwarding winding, the weight of counterweight is regulated toward materials such as cylindrical shell interior plus-minus silts, and then the weight of adjustment scraper plate, make it realize scraping clamping to scum silica frost by deadweight well, be unlikely to again overweight and impact lifting.
As optimization, in oxidation ditch dragveyer, the bar width of deleting of described grid is about 0.5cm, and the interspace width of deleting of grid is about 1.5cm.This parameter is design for the size of oxidation ditch scum silica frost, through verification experimental verification, especially has good interception result for oxidation ditch scum silica frost.
As optimization, in oxidation ditch dragveyer, described grid is positioned at flase floor Lower Half position, and the flase floor first half is tabular, and convergence part is divided into the inclined-plane be obliquely installed in grid gap and between flase floor first half upper surface.After such optimization, when grabbing slag, scraper plate from grid out afterwards through one section of tabular of the flase floor first half, grasping teeth moves up in process and flase floor contact vibration, shaken up by the scum silica frost that grasping teeth is wound around, when making to arrive throwing slag window, scum silica frost can fall to better automatically to be thrown in slag beneath window dreg-accepting hopper, avoid scum silica frost to be wrapped in grasping teeth cannot drop out, improve scum silica frost elimination effect.Convergence part is divided into the inclined-plane be obliquely installed in grid gap and between flase floor first half upper surface, can be beneficial to the smooth and easy of grasping teeth better and move up.
In sum, the present invention designs for oxidation ditch scum silica frost specially, and it is good to have oxidation ditch scum silica frost elimination effect, and automation degree of equipment is high, can realize fully automatic operation and drag for the advantages such as slag.
Accompanying drawing explanation
Fig. 1 is the structural representation sketch of the oxidation ditch dragveyer that the present invention adopts.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
A clinker removal method for oxidation ditch scum silica frost, specifically comprises the following steps:
A, the oxidation ditch dragveyer of following structure is set inside the irrigation canals and ditches of second pond upstream, described oxidation ditch dragveyer as shown in Figure 1, comprise the overall frame 1 for rectangular frame structure, frame 1 is inclined in irrigation canals and ditches and lower, transverse has been connected to form flase floor 2, flase floor 2 is provided with the grid 3 for debris retaining; Grid 3 is the vertical bar grid arranged along frame 1 short transverse, upper surface frame 1 being positioned at flase floor 2 also correspondence is provided with scraper plate 4, scraper plate 4 bottom has mates the grasping teeth 8 that can be inserted in grid gap with grid, frame 1 above flase floor 2 is formed and throws slag window 6, the frame back lower place of throwing slag window corresponding is provided with dreg-accepting hopper 5, frame 1 is also provided with for driving scraper plate 4 at flase floor 2 and the scraper plate lifting gear throwing lifting between slag window 6.
Wherein, described scraper plate 4 entirety is tabular body structure, scraper plate 4 lower edge has aduncate bend and in bend front end life grasping teeth 4 in a row, forms storage slag space when described bend is used for dragging for slag, and described scraper plate 4 and bend thereof are provided with the leaking hole 7 of evenly arranging.Described scraper plate 4 is also fixedly installed counterweight (not shown).During concrete enforcement, counterweight can be set to the tube structure being with screw-cap further, like this, can by screw-cap of outwarding winding, the weight of counterweight is regulated toward materials such as cylindrical shell interior plus-minus silts, and then the weight of adjustment scraper plate, make it realize scraping clamping to scum silica frost by deadweight well, be unlikely to again overweight and impact lifting.The bar width of deleting of described grid 3 is about 0.5cm, and the interspace width of deleting of grid is about 1.5cm.Described grid 3 is positioned at flase floor 2 Lower Half position, and flase floor 2 first half is tabular, and convergence part is divided into the inclined-plane be obliquely installed in grid gap and between flase floor 2 first half upper surface.
Wherein, described scraper plate lifting gear, comprise the reel 9 on a mounting plate being arranged on frame 1 top, reel 9 has horizontally disposed rotating shaft 10, rotating shaft 10 one end is connected with a coiling electric motor 11, scraper plate lifting gear also comprises wireline 12, and wireline 12 lower end is connected on scraper plate 4, and wireline upper end upwards solderless wrapped connection is wound around after crossing a fixed pulley 13 being suspended on frame top and is arranged on reel 9.Also comprise lifting switching mechanism, described lifting switching mechanism comprises one section of thread segment in described rotating shaft 10, thread segment is arranged with matchingly a nut 14, nut 14 has one and be affixed the limit part that also can limit nut and rotate with mounting plate, the mounting plate that thread segment two ends are corresponding is also provided with two to be connected in the positive and reverse rotation control circuit of coiling electric motor 11 with proximity switch 15, two proximity switches 5 of nut 14 correspondence.The both sides at described scraper plate about 4 two ends are fixedly installed a stationary shaft, stationary shaft one end stretches out and is provided with a roller 16 be positioned at outside scraper plate, frame 1 both sides inner surface is provided with the raceway with roller coupling, raceway comprises lower raceway 17 and upper raceway 18, lower raceway 17 is positioned at flase floor 2 and throws in the frame 1 of slag window 6 liang of side positions, upper raceway 18 is positioned at flase floor 2 liang of side positions and is set in parallel in the frame above lower raceway 17, upper raceway 18 lower end position is shorter than lower raceway 17 lower end position, upper raceway 18 upper end position is hinged with one piece of lap plate 19, lap plate 19 upper end is overlapped on lower raceway by gravimetric tilt.
Wherein, also comprise automatic control device, described automatic control device, comprise the float switch be arranged on the irrigation canals and ditches inner side-wall of frame 1 upstream, float switch is connected to breaking in pilot circuit of coiling electric motor.Described float switch comprises a support arm 20 be horizontally fixed on trip irrigation canals and ditches inner side-wall, support arm 20 is vertically provided with a support bar 21, support bar 21 lower end is fixedly installed a position-arresting disk 22, on support bar above position-arresting disk 22, movable sleeve is provided with a float 23, float 23 upper support bar 21 is provided with a proximity switch, what proximity switch was connected to coiling electric motor breaks in pilot circuit, described support bar 21 is threaded rod, and proximity switch is arranged on the disk 24 that a screw thread is screwed on threaded rod 21.
B, according to testing inspection, regulate and set in float switch the height location of disk on support bar that proximity switch is set, make scum silica frost on itself and grid in water level coupling when needing cleaning state, namely realize dragveyer and automatically run;
When dragveyer runs, scum silica frost is down tackled by grid from irrigation canals and ditches upstream, when in grid, scum silica frost is accumulate to and needs cleaning state, the rise of frame upper pond level, float floats with water level and causes the proximity switch on disk to be connected on support bar, and the pilot circuit that breaks of coiling electric motor is connected, dragveyer unlatching work, coiling electric motor drives reel to rotate back and forth, and drives the scraper plate realization that pumps to drag for slag by wireline;
When above-mentioned scraper plate pumps, by the cooperation of roller and raceway, realize the reciprocal lifting of scraper plate; When making scraper plate descending, the roller of both sides, scraper plate lower end is walked upper raceway from the lower raceway throwing slag window both sides through lap plate, scraper plate lower end roller falls in lower raceway after upper raceway again, and now grasping teeth cooperation is inserted in grid gap from grid lower end; Then when scraper plate promotes, the roller of scraper plate lower end is upwards walked from lower raceway, scraper plate is remained and upwards to run with being adjacent to of flase floor, realize the crawl of scum silica frost; The roller of scraper plate lower end is upwards through lap plate, and continuing after squeezing lap plate to throw slag window upward to reaching, realizing throwing slag, resetting under deadweight after lap plate is squeezed is overlapped on lower raceway again, realizes circulation and drags for slag;
Slag is dragged in the circular flow up and down of above-mentioned scraper plate, control by lifting switching mechanism, in lifting switching mechanism, two proximity switches control the rotating forward reversion of coiling electric motor automatically, drive reel take-up or unwrapping wire, and then the automatic control realized scraping plate lifting, slag is dragged in the circulation realizing automatically controlling;
After scum silica frost most of on grid is picked up, grid water amount becomes large, and frame upper pond level reduces, and float falls with water level, and the proximity switch on disk disconnects, and the pilot circuit that breaks automatically controlling coiling electric motor disconnects, and stops dragging for slag.
The present invention designs for oxidation ditch scum silica frost specially, and it is good to have oxidation ditch scum silica frost elimination effect, and level of automation is high, and equipment can realize the advantages such as fully automatic operation.
Claims (5)
1. the clinker removal method of an oxidation ditch scum silica frost, it is characterized in that, inside the irrigation canals and ditches of second pond upstream, oxidation ditch dragveyer is set, the interception of grid realization to oxidation ditch scum silica frost is set in oxidation ditch dragveyer, arrange bottom in oxidation ditch dragveyer there is the scraper plate that can be inserted into grasping teeth in grid gap with grid coupling to realize grabbing slag, arrange the reciprocal lifting of scraper plate lifting gear realization to scraper plate in oxidation ditch dragveyer, scraper plate lifting gear drives reel to rotate by coiling electric motor and then realizes controlling the lifting of scraper plate by wireline; The automatic sensed water level of float switch is set in oxidation ditch dragveyer upstream simultaneously, controls the connection of coiling electric motor start-up circuit when detecting that water level goes up and start working, control coiling electric motor start-up circuit disconnection stopping when water level decreasing being detected and drag for slag; Specifically comprise the following steps:
A, the oxidation ditch dragveyer of following structure is set inside the irrigation canals and ditches of second pond upstream, described oxidation ditch dragveyer, comprise the overall frame for rectangular frame structure, rack inclining is arranged in irrigation canals and ditches and lower, transverse has been connected to form flase floor, flase floor is provided with the grid for debris retaining; Grid is the vertical bar grid arranged along bracket height direction, upper surface frame being positioned at flase floor also correspondence is provided with scraper plate, scraper plate bottom has mates the grasping teeth that can be inserted in grid gap with grid, frame above flase floor is formed and throws slag window, the frame back lower place of throwing slag window corresponding is provided with dreg-accepting hopper, frame is also provided with for driving scraper plate at flase floor and throwing the scraper plate lifting gear be elevated between slag window;
Described scraper plate lifting gear, comprise a reel be arranged on the mounting plate of upper rack, reel has horizontally disposed rotating shaft, rotating shaft one end is connected with a coiling electric motor, scraper plate lifting gear also comprises wireline, wireline lower end is connected on scraper plate, and wireline upper end upwards solderless wrapped connection is crossed one and is suspended on to be wound around after the fixed pulley of frame top and arranges on a bobbin; Also comprise lifting switching mechanism, described lifting switching mechanism comprises one section of thread segment in described rotating shaft, thread segment is arranged with matchingly a nut, nut has one and be affixed the limit part that also can limit nut and rotate with mounting plate, the mounting plate that thread segment two ends are corresponding is also provided with two and proximity switch corresponding to nut, two proximity switches are connected in the positive and reverse rotation control circuit of coiling electric motor;
The both sides at the upper and lower two ends of described scraper plate are fixedly installed a stationary shaft, stationary shaft one end stretches out and is provided with a roller be positioned at outside scraper plate, frame both sides inner surface is provided with the raceway with roller coupling, raceway comprises lower raceway and upper raceway, lower raceway is positioned at flase floor and throws in the frame of slag window two side position, upper raceway is positioned at flase floor two side position and is set in parallel in the frame above lower raceway, upper raceway lower end position is shorter than lower raceway lower end position, upper raceway upper end position is hinged with one piece of lap plate, lap plate upper end is overlapped on lower raceway by gravimetric tilt,
Also comprise automatic control device, described automatic control device, comprise the float switch be arranged on the irrigation canals and ditches inner side-wall of frame upstream, what float switch was connected to coiling electric motor breaks in pilot circuit, float switch comprises a support arm be horizontally fixed on the irrigation canals and ditches inner side-wall of upstream, support arm is vertically provided with a support bar, support bar lower end is fixedly installed a position-arresting disk, on support bar above position-arresting disk, movable sleeve is provided with a float, float upper support bar is provided with a proximity switch, what proximity switch was connected to coiling electric motor breaks in pilot circuit;
B, according to testing inspection, regulate and set in float switch the height location of disk on support bar that proximity switch is set, make scum silica frost on itself and grid in water level coupling when needing cleaning state, namely realize dragveyer and automatically run;
When dragveyer runs, scum silica frost is down tackled by grid from irrigation canals and ditches upstream, when in grid, scum silica frost is accumulate to and needs cleaning state, the rise of frame upper pond level, float floats with water level and causes the proximity switch on disk to be connected on support bar, and the pilot circuit that breaks of coiling electric motor is connected, dragveyer unlatching work, coiling electric motor drives reel to rotate back and forth, and drives the scraper plate realization that pumps to drag for slag by wireline;
When above-mentioned scraper plate pumps, by the cooperation of roller and raceway, realize the reciprocal lifting of scraper plate; When making scraper plate descending, the roller of both sides, scraper plate lower end is walked upper raceway from the lower raceway throwing slag window both sides through lap plate, scraper plate lower end roller falls in lower raceway after upper raceway again, and now grasping teeth cooperation is inserted in grid gap from grid lower end; Then when scraper plate promotes, the roller of scraper plate lower end is upwards walked from lower raceway, scraper plate is remained and upwards to run with being adjacent to of flase floor, realize the crawl of scum silica frost; The roller of scraper plate lower end is upwards through lap plate, and continuing after squeezing lap plate to throw slag window upward to reaching, realizing throwing slag, resetting under deadweight after lap plate is squeezed is overlapped on lower raceway again, realizes circulation and drags for slag;
Slag is dragged in the circular flow up and down of above-mentioned scraper plate, control by lifting switching mechanism, in lifting switching mechanism, two proximity switches control the rotating forward reversion of coiling electric motor automatically, drive reel take-up or unwrapping wire, and then the automatic control realized scraping plate lifting, slag is dragged in the circulation realizing automatically controlling;
After scum silica frost most of on grid is picked up, grid water amount becomes large, and frame upper pond level reduces, and float falls with water level, and the proximity switch on disk disconnects, and the pilot circuit that breaks automatically controlling coiling electric motor disconnects, and stops dragging for slag.
2. the clinker removal method of oxidation ditch scum silica frost as claimed in claim 1, it is characterized in that, in oxidation ditch dragveyer, described slab integral of scraping is tabular body structure, scraper plate lower edge has aduncate bend and gives birth to grasping teeth in a row in bend front end, form storage slag space when described bend is used for dragging for slag, described scraper plate and bend thereof are provided with the leaking hole of evenly arranging.
3. the clinker removal method of oxidation ditch scum silica frost as claimed in claim 1, is characterized in that, in oxidation ditch dragveyer, described scraper plate is also fixedly installed counterweight.
4. the clinker removal method of oxidation ditch scum silica frost as claimed in claim 1, it is characterized in that, in oxidation ditch dragveyer, the bar width of deleting of described grid is about 0.5cm, and the interspace width of deleting of grid is about 1.5cm.
5. the clinker removal method of oxidation ditch scum silica frost as claimed in claim 1, it is characterized in that, in oxidation ditch dragveyer, described grid is positioned at flase floor Lower Half position, the flase floor first half is tabular, and convergence part is divided into the inclined-plane be obliquely installed in grid gap and between flase floor first half upper surface.
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| CN201410227311.1A CN103964547B (en) | 2014-05-27 | 2014-05-27 | Method for removing oxidation ditch scum |
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| CN201410227311.1A CN103964547B (en) | 2014-05-27 | 2014-05-27 | Method for removing oxidation ditch scum |
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| CN104310505A (en) * | 2014-10-28 | 2015-01-28 | 天津市联合环保工程设计有限公司 | Artificial grid device convenient to lift |
| CN105063370B (en) * | 2015-07-15 | 2017-09-22 | 铜陵有色金属集团股份有限公司金冠铜业分公司 | Dragveyer |
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| CN112156507A (en) * | 2020-09-09 | 2021-01-01 | 余姚市永林机械科技有限公司 | Dross clearing device of galvanizing bath |
| CN112064604B (en) * | 2020-09-18 | 2022-01-18 | 四川省紫坪铺开发有限责任公司 | Grid type dredging device for hydraulic engineering |
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| CN201506715U (en) * | 2009-09-14 | 2010-06-16 | 山东良成环保工程有限公司 | Reversal-fishing bar screen machine |
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| CN202131122U (en) * | 2011-07-11 | 2012-02-01 | 江苏兆盛环保集团有限公司 | Anti-skimming grid trash cleaning machine |
| CN102351256A (en) * | 2011-07-11 | 2012-02-15 | 江苏兆盛环保集团有限公司 | Anti-fishing type grating trash cleaning machine |
| CN103288170A (en) * | 2013-06-18 | 2013-09-11 | 安徽国祯环保节能科技股份有限公司 | Dross removal device for oxidation ditch |
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2014
- 2014-05-27 CN CN201410227311.1A patent/CN103964547B/en not_active Expired - Fee Related
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| CA2239929C (en) * | 1998-07-14 | 2003-10-07 | Christian Davignon | Method and device for cleaning trash racks |
| CN2661768Y (en) * | 2003-11-25 | 2004-12-08 | 孙铭业 | Reversible rake teeth type reciprocating decontamination machine |
| CN2789315Y (en) * | 2005-05-18 | 2006-06-21 | 孙铭业 | Turnover rabble blade type reciprocating cleaning machine |
| CN201074338Y (en) * | 2007-08-13 | 2008-06-18 | 山东水总机械工程有限公司 | Reciprocating bucket grab raking equipment |
| KR100893400B1 (en) * | 2009-01-02 | 2009-04-17 | 주식회사 우성테크 | Adulteration disposal device of waste water of livestock, sewage and urine |
| CN201506715U (en) * | 2009-09-14 | 2010-06-16 | 山东良成环保工程有限公司 | Reversal-fishing bar screen machine |
| CN201606238U (en) * | 2010-01-15 | 2010-10-13 | 江苏清溢环保设备有限公司 | Water channel grate |
| KR20100072159A (en) * | 2010-06-11 | 2010-06-30 | 주식회사삼영이앤티 | Screenings remover of fine screen |
| CN202131122U (en) * | 2011-07-11 | 2012-02-01 | 江苏兆盛环保集团有限公司 | Anti-skimming grid trash cleaning machine |
| CN102351256A (en) * | 2011-07-11 | 2012-02-15 | 江苏兆盛环保集团有限公司 | Anti-fishing type grating trash cleaning machine |
| CN103288170A (en) * | 2013-06-18 | 2013-09-11 | 安徽国祯环保节能科技股份有限公司 | Dross removal device for oxidation ditch |
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|---|---|
| CN103964547A (en) | 2014-08-06 |
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