CN105817059A - Sludge disposal system of secondary sedimentation tank - Google Patents
Sludge disposal system of secondary sedimentation tank Download PDFInfo
- Publication number
- CN105817059A CN105817059A CN201610332491.9A CN201610332491A CN105817059A CN 105817059 A CN105817059 A CN 105817059A CN 201610332491 A CN201610332491 A CN 201610332491A CN 105817059 A CN105817059 A CN 105817059A
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- sludge
- pond
- push rod
- treating system
- suction pipe
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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
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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
- B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
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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
- B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
- B01D21/20—Driving mechanisms
Abstract
The invention discloses a sludge disposal system of a secondary sedimentation tank .The sludge disposal system comprises a sludge scraping machine, a sludge suction pipe and a sludge discharging sleeve, wherein the sludge suction pipe is pre-buried below the tank bottom of the concrete tank, the upper surface of the sludge suction pipe is flush with the plane of the tank bottom of the concrete tank, multiple sludge suction holes are formed in the upper surface of the sludge suction pipe, the two ends of the sludge suction pipe are sealed through concrete, a sludge discharging hole is formed in one end of the upper surface of the sludge suction pipe, and the sludge discharging sleeve is arranged in a sludge discharging ditch .According to the sludge disposal system, a sleeve valve is combined with the peripheral-in-and peripheral-out chain sludge scraping machine and the sludge suction pipe, so that the purposes of discharging sludge at the bottom of the tank timely, uniformly and effectively and regulating the amount of returned sludge precisely are achieved; the concentration of the returned sludge and normal operation of equipment and the disposal process are guaranteed; the sludge suction pipe is made into the form of a variable cross-section rectangular pipe; the sludge disposal system has the advantages that the structure is simple, the system is convenient to mount, civil work is easy to construct, and cost is saved .By means of the rotary flow-adjustable type sleeve valve, the detects that an original lifting type sleeve valve is long in regulation time, and flow is difficult to control accurately are overcome.
Description
Technical field
The present invention relates to technical field of sludge treatment, particularly relate to the sludge treating system of a kind of second pond.
Background technology
Second pond is the important component part of activated Sludge System, and mixed liquor after biochemical treatment is carried out solid-liquid separation, in order to remove the sedimentation tank of biological suspended solids, to ensure final outflow water water quality.In activated sludge process, the mixed liquor flowed out from Aeration tank carries out mud-water separation and sludge condensation secondary sedimentation tank, arranges outside the water outlet overflow after clarification, and the activated sludge of concentration is partly refluxed to Aeration tank, and remaining is arranged as outside excess sludge.
Rectangle second pond saves floor space than circular second pond, and can be as subterranean formation, and therefore beneficially Sewage Plant integrated planning be widely used.At the bottom of rectangle secondary sedimentation tank, dredging tube is being set, spoil disposal canal is arranging mud telescoping valve to control sludge back flow quantity.Dredging tube is as the visual plant of regulation activity sludge reflux to Aeration tank, and it is closely related to the treatment efficiency of whole sewage disposal system with returned sludge concentration that it controls the height of precipitating sludge layer at the bottom of pond.The dredging tube multiplex embedment for Civil Works rectangle groove of rectangle second pond increases the form of blind patch, and wherein the mode cross section of embedment for Civil Works groove is uiform section, and civil engineering scale error is big, it is difficult to ensure each cross section smooth change, and each cross sectional flow rate changes greatly.The most existing hoisting type telescoping valve, its regulating time is long, and cannot the capacity of returns of accurate conditioning of mud, spoil disposal canal civil engineering needs the degree of depth big, and costly, long construction period.
Also need to mud scraper simultaneously and carry out scraping mud discharge process, but, existing mud scraper drives motor to lack protection with the transmission of sprocket wheel, and mud poor effect scraped by existing scraper plate, and this is required for improving.
Summary of the invention
It is an object of the invention to for technological deficiency present in prior art, and the sludge treating system of a kind of second pond is provided.
Be the technical scheme is that by realizing the purpose of the present invention
A kind of sludge treating system of second pond, including,
Mud scraper, it includes the sprocket wheel of rotation driven, chain and the scraper plate rotated by chain-driving, described sprocket wheel includes sprocket hub, sprocket wheel, push rod, shear pin and the sensor being correspondingly arranged with described push rod, described shear pin two ends are embedded accordingly on described sprocket hub and sprocket wheel, the perforation that described push rod head can be allowed to pass it is provided with on described sprocket hub, being formed with the circular groove that the push rod afterbody described in permission slides wherein on described sprocket wheel, the bottom surface of described arc groove is progressively increased；
Dredging tube, it is pre-is embedded in below at the bottom of concrete sump pond and its upper surface is equal with concrete sump baseplane, and described dredging tube upper surface is provided with multiple mud-suction hole, and described dredging tube two ends by concrete enclosing and are formed with mudhole in upper surface one end,
And the spoil disposal sleeve being arranged in spoil disposal canal, it includes fixing, with described mudhole, the inner sleeve being connected, rotatably it is set in the outer sleeve outside inner sleeve, described inner sleeve and the corresponding position of outer sleeve are offered respectively and are equipped with interior mud discharging mouth and outer mud discharging mouth, can realize emission flow by the degree of overlapping of hinged interior mud discharging mouth and outer mud discharging mouth.
Described scraper plate is the sigma type scraper plate of Fiberglass-reinforced Plastics Pultrusion Technology And Its Products, it includes support edge, it is integrally formed in the upper and lower dual-side in support edge and is positioned at the upper limb limit inside support edge and bottom wing limit, in the middle part of described support edge, being formed with longitudinal extension and inwardly protruded support bending.
The described bending that supports includes the bending section of the perpendicular setting in both sides and connects the circular arc type top section that two bending sections are inner.
Described scraper plate is the diamond-type scraper plate of Fiberglass-reinforced Plastics Pultrusion Technology And Its Products, it includes supporting part, it is integrally formed in the upper and lower dual-side of supporting part and is positioned at the upper limb limit inside supporting part and bottom wing limit, described supporting part includes the tube chamber of centre and connects tube chamber and upper limb limit and the support edge on bottom wing limit respectively, lengthening wing limit also vertically and with upwardly extending it is formed on described top, upper limb limit, described support edge is symmetrically disposed in the upper and lower both sides of tube chamber, and the described wing limit that lengthens is generally aligned in the same plane interior with described support edge.
The cross section of described tube chamber is prismatic, and the arm of angle that one group of diagonal angle of described rhombus tube chamber is corresponding is connected with support edge respectively, and another group diagonal angle is formed with arc transition.
Described sensor is can the contact corresponding with described push rod head or magnetomotive sensor.
Described push rod afterbody is formed with the diameter locating ring more than push rod, and described perforation is embedded with the locating ring described in allowing for shoulder hole.
Described dredging tube includes base plate, the biside plate being connected is fixed with described base plate, cover at two described side plate tops the cover plate that constitutes upper surface, described biside plate is contour and spacing progressively reduces to the other end from spoil disposal nose end, and the aperture of mud-suction hole is gradually increased to the other end from spoil disposal nose end.
Described telescoping valve also includes the indicator board being fixedly installed and being centrally formed with the through hole that permission outer sleeve passes, it is provided with at described outer sleeve top and fixes, with described outer sleeve, the spacer being connected, can be matchingly by the described clamped groove therein of spacer in the through hole ring week of described indicator board
Described interior mud discharging mouth be shaped as rectangle, described outer mud discharging mouth be shaped as right-angled trapezium, the top margin of described right-angled trapezium and base all with the axially vertical setting of outer sleeve.
Compared with prior art, the invention has the beneficial effects as follows:
The telescoping valve of the present invention goes out chain mud scraper with Zhou Jinzhou and dredging tube combines, reach timely, uniformly, effectively pool bottom sludge is discharged, regulate the purpose of sludge back flow quantity accurately, it is ensured that returned sludge concentration and equipment and process the properly functioning of technique, dredging tube makes variable cross-section rectangular duct form, there is simple in construction, easy for installation, the advantage of the easy cost saving of civil engineering.Rotary adjustable-flow telescoping valve overcomes former hoisting type telescoping valve regulating time length and flow is difficult to accurately control, and has spoil disposal canal civil engineering amount simultaneously and reduces, the advantage that corresponding investment cost reduces.
Accompanying drawing explanation
Fig. 1 show the structural representation of the sprocket wheel of the band warning function of the present invention；
Fig. 2 show the cross section structure schematic diagram of the sprocket wheel of the present invention.
Fig. 3 show the structural representation of the sigma type scraper plate of the present invention.
Fig. 4 show the structural representation of the diamond-type scraper plate of the present invention.
Fig. 5 show the structural representation of the dredging tube of the rectangle second pond of the present invention；
Fig. 6 show the telescoping valve structural representation of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The sludge treating system of the second pond of the present invention, the preferably rectangular second pond of described second pond, described sludge treating system includes mud scraper, dredging tube and telescoping valve, described mud scraper includes the sprocket wheel of rotation driven, chain and the scraper plate rotated by chain-driving, below the improvement with regard to the present invention is further described and is illustrated, in addition to improvement similarly to the prior art, it is not repeated herein.
Such as Fig. 1, shown in 2, the sprocket wheel of the present invention is the shear pin sprocket wheel of band warning function, it includes stainless steel sprocket hub 11, non-metallic material sprocket wheel 12, push rod 14, shear pin 13 and the sensor (not shown) being correspondingly arranged with described push rod, described shear pin two ends are embedded accordingly on described sprocket hub 11 and sprocket wheel 12, the perforation 111 that described push rod head can be allowed to pass it is provided with on described sprocket hub, the circular groove 121 that the push rod afterbody described in permission slides wherein it is formed with on described sprocket wheel, the bottom surface of described arc groove is progressively increased.Described non-metallic material can use the current materials such as fiberglass, is not repeated herein.Wherein, the head of described push rod refers to point to hub side, and the afterbody of push rod or rear portion refer to point to sprocket wheel side.
Specifically, described sprocket hub includes side flange, and the described integral part of boss of side flange, described sprocket wheel be centrally formed with conical through-hole to be set on described boss and axially to be positioned by jump ring 16.The hole, location of described perforation and shear pin is respectively formed on described side flange, is formed with hole 122, shear pin location on sprocket wheel simultaneously, and shear pin is embedded in described hole 122, shear pin location by card by guide 15.
The chain mud scraper of the present invention drives and installs described sprocket wheel on output shaft; sprocket hub is rotated by shear pin band movable sprocket under normal circumstances; now push rod afterbody is positioned at the minimum point of circular groove, and push rod head is hidden in described perforation, when shear pin stress reaches setting value; shear pin ruptures; at this moment sprocket wheel stops, and wheel hub is rotated further, and both relatively rotate makes the push rod head being placed in the circular groove of sprocket wheel highlight sprocket hub plane; touch limit switch, it is achieved warning shutdown effect.Reach timely, reliably, be effectively protected mechanically and electrically machine equipment, it is ensured that equipment and process the properly functioning of technique, because its part is few, there is simple in construction low cost of manufacture, the advantage that the expense such as corresponding equipment investment and later stage operating maintenance reduces.
Wherein, described sensor be can the contact corresponding with described push rod head or magnetomotive sensor, as being fixedly installed on sprocket wheel side can be with the limit switch ejecting state push rod head phase separation.Or described sensor is and the reflective or emission sensor of the push rod head phase separation ejecting state.That is, any push rod that senses ejects the sensor of action or state and all can be applicable to this, and sensor-based signal, it is achieved send alarm signal and the effect cut off the electricity supply, power-off is timely, simple and reliable, is effectively improved human-computer interaction.
Preferably, described push rod afterbody is formed with the diameter locating ring more than push rod, and described perforation is embedded with the locating ring described in allowing for shoulder hole.When it is squeezed in the shoulder hole of sprocket hub, prevent push rod from sprocket hub unexpected abjection and the push rod that causes is lost, damage and disabler.Wherein, there is between shoulder hole or perforation and push rod certain frictional force, so that ensure only could action when being held by circular groove, avoid misoperation, the rear end of simultaneously, preferably described shoulder hole and locating ring have inlay card positioning action, unexpected to avoid push rod to return generation.
Preferably, the central angle of described circular groove is more than 30 degree, and less than or equal to 60 ° so that it is lead angle is sufficiently large, it is to avoid self-locking, simultaneously for improving the push rod mobile effect in circular groove, described location tail end is preferably sphere.
As one embodiment of the present of invention, as shown in Figure 3, the scraper plate of one embodiment of the present of invention is sigma type scraper plate, it is Fiberglass-reinforced Plastics Pultrusion Technology And Its Products, it includes support edge 21, is integrally formed in the upper and lower dual-side in support edge and is positioned at the upper limb limit 22 inside support edge and bottom wing limit 23, is formed with longitudinal extension and inwardly protruded support bending 24 in the middle part of described support edge, the support bending upper and lower of described support edge is respectively flat part, is arc transition between described flat part and upper limb limit.That is, the cross section of this scraper plate is in " Σ " type.
Specifically, described support bending and include living apart the bending section 25,26 of upper and lower both sides, connect the circular arc type top section that two bending sections are inner, and the circular arc linkage section of two bending section outer ends described in connecting and the flat part on straight support limit.Preferably, the perpendicular setting of bending section 25,26 of described both sides.The bending angle 7 that i.e. two bending sections are constituted is 90 °, described bottom wing limit and the spacing being smaller than upper limb limit and bending bending supporting bending.
Cleaning shoe upper limb limit, bottom wing limit, the centre angularly support edge that hangs of the present embodiment forms a complete entirety, and structural strength is higher.Support edge is at an angle of the key that bending is structure, and according to mechanics force analysis, this structural rigidity, intensity are higher.
Specifically, for improving bulk strength and scraping mud effect, described upper limb limit is isometric with described bottom wing limit, and described upper limb limit inner end is formed with the circular arc bending section near bottom wing limit, it is preferable that the central angle of described circular arc bending section is 90 degree.Meanwhile, described bottom wing limit is formed with close and away from described upper limb limit reinforcement rib inner dividing with outer end.
As shown in Figure 4, the scraper plate of the second embodiment of the present invention is diamond-type scraper plate, it is Fiberglass-reinforced Plastics Pultrusion Technology And Its Products, including supporting part 33, it is integrally formed in the upper and lower dual-side of supporting part and is positioned at the upper limb limit 32 inside supporting part and bottom wing limit 34, described supporting part includes the tube chamber 35 of centre and connects tube chamber and the support edge 36 on upper limb limit and bottom wing limit respectively, also vertically and with upwardly extending is formed with lengthening wing limit 31 on described top, upper limb limit.
Specifically, described support edge 36 is symmetrically disposed in the upper and lower both sides of tube chamber, and the described wing limit 31 that lengthens is generally aligned in the same plane interior with described support edge.Preferably, the cross section of described tube chamber is prismatic, diamond-type, the arm of angle that one group of diagonal angle of described rhombus tube chamber is corresponding is connected with support edge respectively, another group diagonal angle be formed with arc transition.
The scraper plate of the present embodiment, will lengthen wing limit and diamond-type tube chamber organically combines, and middle diamond rhumbatron cavate supporting part is the key of structure, and according to mechanics force analysis, this structural rigidity, intensity are higher；Lengthen wing limit and blow the more scum silica frost of water surface off at the cell body water surface, make cell body surface cleaner.
Specifically, for improving bulk strength and scraping mud effect, described upper limb limit is isometric with described bottom wing limit, described bottom wing limit and the spacing being smaller than upper limb limit and bending of tube chamber.Meanwhile, described upper limb limit inner end is formed with the circular arc bending section near bottom wing limit, it is preferable that the central angle of described circular arc bending section is 90 degree.Meanwhile, described bottom wing limit is inner and outer end divide be formed near and away from the reinforcement rib on described upper limb limit to improve intensity herein.
In sum, the mud scraper of the present invention, by the warning function of sprocket wheel, improve safety in operation, and the employing of two kinds of scraper plates, the flat part of supporting part is fixing with scraper plate to be connected, near bottom side, pond when bottom wing limit is for scraping mud, being effectively increased and scrape mud effect, use the mud scraper of the present invention, scraper plate intensity is high, the muddy water striking off moisture content at the bottom of pond more than 95% can effectively be used to, ensure operation, long-life continuously, lengthen wing limit simultaneously and blow water surface scum silica frost off at the cell body water surface, it is ensured that water cleanliness factor.
As shown in Figure 5, the bottom of rectangle second pond of the present invention is provided with dredging tube 40, described dredging tube 40 is embedded in below at the bottom of concrete sump pond and its upper surface is equal with concrete sump baseplane, described dredging tube upper surface is provided with multiple mud-suction hole 45, described dredging tube closed at both ends and be formed with mudhole 44 in upper surface one end, the area of section of described dredging tube is progressively reduced to the other end by spoil disposal nose end.
The dredging tube of second pond of the present invention is embedded at the bottom of concrete sump in advance, plane with mud-suction hole is equal with at the bottom of the pond of concrete second pond, dredging tube is internal smooth, dredging tube cross section draws near relative to mudhole and becomes larger, ensure that each section flow velocity is suitable, by the various sizes of mud-suction hole of upper surface, the mud of precipitation at the bottom of pond is extracted out outside pond uniformly, make pool bottom sludge layer thickness uniform and stable, reach the effect that returned sludge concentration is optimal simultaneously.Simultaneously facilitating installation, civil engineering costs saves.
Specifically, described dredging tube includes base plate 41, fixes the biside plate 42 being connected with described base plate, covers at two described side plate tops the cover plate 43 that constitutes upper surface, and described biside plate is contour and spacing progressively reduces to the other end from spoil disposal nose end.Described biside plate includes cant board and is formed at the connection limit outside cant board top and bottom, and described base plate and side plate and side plate and cover plate rely on bolt to connect respectively.Dredging tube mode with bolts, interior walls be smooth, cross sectional flow rate is controlled, simple installation, simple in construction, and framework is convenient, reduces construction cost.
As shown in Figure 5 and Figure 6, the telescoping valve of the sludge treating system of rectangle second pond of the present invention is arranged in mud canal, described turnbarrel valve includes being fixed the inner sleeve 51 being connected by the mudhole of bottom adpting flange with described dredging tube, rotatably it is set in the outer sleeve 52 outside inner sleeve, described inner sleeve and the corresponding position of outer sleeve are offered respectively and are equipped with interior mud discharging mouth 53 and outer mud discharging mouth 54, can realize emission flow by the degree of overlapping of hinged interior mud discharging mouth and outer mud discharging mouth.
The relative motion of outer sleeve and inner sleeve is changed into rotary, Flow-rate adjustment is realized by the degree of overlapping of mud discharging mouth and outer mud discharging mouth in changing, i.e. when outer sleeve is relative to inner sleeve different rotation angle, the perforate of outer sleeve can block inner sleeve perforated area in varying degrees, thus the fluid flow that regulation is by this perforate, facility simple to operate.
Preferably, described interior mud discharging mouth be shaped as rectangle, described outer mud discharging mouth be shaped as right-angled trapezium, the top margin of described right-angled trapezium and base all with the axially vertical setting of outer sleeve.By adjusting the relative angle of different openings shape inner-outer sleeve, change area of passage, adjust flow the finest.
Further, for ease of force, also include fixing, with described outer sleeve top, the adjusting rod 55 being connected.And, it is easy to show concrete aperture, also include the indicator board 56 being fixedly installed and being centrally formed with the through hole that permission outer sleeve passes, described outer sleeve top is provided with instruction unit, as indicated pin or indicator board, described indicator board is formed with the mark part corresponding with described instruction unit, it is preferable that described instruction unit is 55 aperture instructions.Specifically, indicator board has fluting at 55 and indicates as aperture, corresponding 5 different angles, respectively corresponding the 0% of the inner sleeve area that blocks, 25%, 50%, 75%, 100%, and labelling X respectively on indicator board, 3/4,1/2,1/4,0, thus reach to regulate fast and accurately the purpose of flow.
Described instruction unit is to fix the spacer being connected with described outer sleeve, described mark part be formed at described through hole ring week can be matchingly by the described clamped groove therein of spacer.
Wherein, the top of inner sleeve and outer sleeve is not closed, and mud position is highly below the top of inner sleeve and outer sleeve so that normal spoil disposal, and by the mud discharging mouth spoil disposal of sidepiece, need not seal between inner sleeve and outer sleeve, simplify structure and reduce cost, improve stability.
Specifically, the radially prominent spacer 57 extended it is provided with on outer sleeve outer wall, indicator board has at 5 groove 58 as mark part, both are in sustained height scope, when needs adjust angle, first outer sleeve is slightly mentioned, banking stop is made to leave groove scope, after rotating to need angle, at the most above-mentioned 5, position puts down again and again, banking stop is made to insert groove, prevent outer sleeve from rotating freely, outer sleeve is the most spacing, it is placed on the adpting flange of inner sleeve by its deadweight after being adjusted in place, terminal with compact integral structure operation is convenient, and stability is high, service life is long.
The telescoping valve of the present invention goes out chain mud scraper with Zhou Jinzhou and dredging tube combines, reach timely, uniformly, effectively pool bottom sludge is discharged, regulate the purpose of sludge back flow quantity accurately, it is ensured that returned sludge concentration and equipment and process the properly functioning of technique, dredging tube makes variable cross-section rectangular duct form, there is simple in construction, easy for installation, the advantage of the easy cost saving of civil engineering.Rotary adjustable-flow telescoping valve overcomes former hoisting type telescoping valve regulating time length and flow is difficult to accurately control, and has spoil disposal canal civil engineering amount simultaneously and reduces, the advantage that corresponding investment cost reduces.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. the sludge treating system of a second pond, it is characterised in that include,
Mud scraper, it includes the sprocket wheel of rotation driven, chain and the scraper plate rotated by chain-driving, described sprocket wheel includes sprocket hub, sprocket wheel, push rod, shear pin and the sensor being correspondingly arranged with described push rod, described shear pin two ends are embedded accordingly on described sprocket hub and sprocket wheel, the perforation that described push rod head can be allowed to pass it is provided with on described sprocket hub, being formed with the circular groove that the push rod afterbody described in permission slides wherein on described sprocket wheel, the bottom surface of described arc groove is progressively increased；
Dredging tube, it is pre-is embedded in below at the bottom of concrete sump pond and its upper surface is equal with concrete sump baseplane, and described dredging tube upper surface is provided with multiple mud-suction hole, and described dredging tube two ends by concrete enclosing and are formed with mudhole in upper surface one end,
And the spoil disposal sleeve being arranged in spoil disposal canal, it includes fixing, with described mudhole, the inner sleeve being connected, rotatably it is set in the outer sleeve outside inner sleeve, described inner sleeve and the corresponding position of outer sleeve are offered respectively and are equipped with interior mud discharging mouth and outer mud discharging mouth, can be realized by the degree of overlapping of hinged interior mud discharging mouth and outer mud discharging mouth and be controlled emission flow.
2. the sludge treating system of second pond as claimed in claim 1, it is characterized in that, described scraper plate is the sigma type scraper plate of Fiberglass-reinforced Plastics Pultrusion Technology And Its Products, it includes support edge, it is integrally formed in the upper and lower dual-side in support edge and is positioned at the upper limb limit inside support edge and bottom wing limit, in the middle part of described support edge, being formed with longitudinal extension and inwardly protruded support bending.
3. the sludge treating system of second pond as claimed in claim 2, it is characterised in that the described bending that supports includes the bending section of the perpendicular setting in both sides and connects the circular arc type top section that two bending sections are inner.
4. the sludge treating system of second pond as claimed in claim 1, it is characterized in that, described scraper plate is the diamond-type scraper plate of Fiberglass-reinforced Plastics Pultrusion Technology And Its Products, it includes supporting part, it is integrally formed in the upper and lower dual-side of supporting part and is positioned at the upper limb limit inside supporting part and bottom wing limit, described supporting part includes the tube chamber of centre and connects tube chamber and upper limb limit and the support edge on bottom wing limit respectively, lengthening wing limit also vertically and with upwardly extending it is formed on described top, upper limb limit, described support edge is symmetrically disposed in the upper and lower both sides of tube chamber, the described wing limit that lengthens is generally aligned in the same plane interior with described support edge.
5. the sludge treating system of second pond as claimed in claim 4, it is characterised in that the cross section of described tube chamber is prismatic, and the arm of angle that one group of diagonal angle of described rhombus tube chamber is corresponding is connected with support edge respectively, another group diagonal angle is formed with arc transition.
6. the sludge treating system of second pond as claimed in claim 1, it is characterised in that described sensor is can the contact corresponding with described push rod head or magnetomotive sensor.
7. the sludge treating system of second pond as claimed in claim 1, it is characterised in that described push rod afterbody is formed with the diameter locating ring more than push rod, described perforation is embedded with the locating ring described in allowing for shoulder hole.
8. the sludge treating system of second pond as claimed in claim 1, it is characterized in that, described dredging tube includes base plate, the biside plate being connected is fixed with described base plate, cover at two described side plate tops the cover plate that constitutes upper surface, described biside plate is contour and spacing progressively reduces to the other end from spoil disposal nose end, and the aperture of mud-suction hole is gradually increased to the other end from spoil disposal nose end.
9. the sludge treating system of second pond as claimed in claim 1, it is characterized in that, described telescoping valve also includes the indicator board being fixedly installed and being centrally formed with the through hole that permission outer sleeve passes, it is provided with at described outer sleeve top and fixes, with described outer sleeve, the spacer being connected, can be matchingly by the described clamped groove therein of spacer in the through hole ring week of described indicator board.
10. the sludge treating system of second pond as claimed in claim 1, it is characterized in that, described interior mud discharging mouth be shaped as rectangle, described outer mud discharging mouth be shaped as right-angled trapezium, the top margin of described right-angled trapezium and base all with the axially vertical setting of outer sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610332491.9A CN105817059B (en) | 2016-05-18 | 2016-05-18 | The sludge treating system of secondary settling tank |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610332491.9A CN105817059B (en) | 2016-05-18 | 2016-05-18 | The sludge treating system of secondary settling tank |
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| CN105817059A true CN105817059A (en) | 2016-08-03 |
| CN105817059B CN105817059B (en) | 2018-05-08 |
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Cited By (2)
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| CN107008038A (en) * | 2017-04-27 | 2017-08-04 | 云南科力新材料股份有限公司 | Device for concentrating ore pulp discharge |
| CN107715516A (en) * | 2017-11-27 | 2018-02-23 | 山东赛恩环保设备有限公司 | A kind of overload of mud scraper sprocket wheel, unbalanced load protection device |
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| JPH09126232A (en) * | 1995-10-31 | 1997-05-13 | Hitachi Kiden Kogyo Ltd | Bearing structure in which penetration of impurity is prevented |
| CN201454176U (en) * | 2009-08-07 | 2010-05-12 | 商城县开源环保设备有限公司 | over torsion protection device of mud scrapping and adsorbing machine |
| CN201454174U (en) * | 2009-08-07 | 2010-05-12 | 商城县开源环保设备有限公司 | Central driving device of mud scrapping and adsorbing machine |
| CN101693154A (en) * | 2009-10-29 | 2010-04-14 | 中冶建筑研究总院有限公司 | Overload protective device for central-transmission mud scraper |
| CN203989982U (en) * | 2014-07-09 | 2014-12-10 | 安徽国祯环保节能科技股份有限公司 | A kind of protection mechanism that is applicable to the anti-skidding and overload detection of walking mechanism |
| CN205759919U (en) * | 2016-05-18 | 2016-12-07 | 国美（天津）水技术工程有限公司 | The sludge treating system of second pond |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107008038A (en) * | 2017-04-27 | 2017-08-04 | 云南科力新材料股份有限公司 | Device for concentrating ore pulp discharge |
| CN107008038B (en) * | 2017-04-27 | 2023-07-07 | 云南科力环保股份公司 | Device for discharging concentrated ore pulp |
| CN107715516A (en) * | 2017-11-27 | 2018-02-23 | 山东赛恩环保设备有限公司 | A kind of overload of mud scraper sprocket wheel, unbalanced load protection device |
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