CN108483742A - A kind of preliminary sedimentation collecting-tank mud scraper - Google Patents
A kind of preliminary sedimentation collecting-tank mud scraper Download PDFInfo
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- CN108483742A CN108483742A CN201810547706.8A CN201810547706A CN108483742A CN 108483742 A CN108483742 A CN 108483742A CN 201810547706 A CN201810547706 A CN 201810547706A CN 108483742 A CN108483742 A CN 108483742A
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- Prior art keywords
- dross
- preliminary sedimentation
- flow
- siphunculus
- water
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
Abstract
The invention discloses a kind of preliminary sedimentation collecting-tank mud scrapers, including centre strut and center hanger, steel platform flat-topped ridge includes service bridge, service bridge is across on preliminary sedimentation collecting-tank, the middle part of service bridge is rotatablely connected with center stand column, service bridge is separated into dreg scraping unit and deslagging portion by center stand column, ash pit and skimming plate are provided on dreg scraping unit, dreg scraping unit strikes off the dross on preliminary sedimentation collecting-tank by ash pit and skimming plate, water-oil separating pipeline is provided in deslagging portion, water-oil separating pipeline is connected with ash pit, and water-oil separating pipeline is used to isolate the sewage in dross.Present invention mainly solves the big problems of the dross water content present in existing mud scraper, by the way that ash pit and water-oil separating pipeline is arranged, come to carry out further water-oil separating to dross while mud scraper collects dross, dross concentration is promoted to 38% by 23%, oil-water separation is apparent, it is effectively reduced the load of follow-up dehydration and drying, has saved energy consumption and use cost.
Description
Technical field
The present invention relates to gelatin field of sewage treatment equipment, more particularly to a kind of preliminary sedimentation collecting-tank mud scraper.
Background technology
Bone gelatin manufacturing enterprise of the country continues to use traditional soda technique glue at present, and technological process includes：Pickling → move back acid
Washing → liming → move back grey washing → neutralization → washing → heating carry glue → refinement treatment → concentration → evaporation → sterilizing → plastic squeeze,
Dry, which often produces one ton of gelatin, and 600-1000 tons of water consumption generates 10-20 tons of solid waste, waste residue, wastewater discharge
Greatly, generate waste water in contain a large amount of soluble protein, including a large amount of colloid, grease, organic particle, suspension and
Emulsion, this waste water are difficult natural subsidence, clarification in alkaline medium, must be located using the method for physics or chemistry
Reason is general to use clear, the dirty method divided and ruled that takes, traditional gelatine wastewater processing the characteristics of discharge for wastewater from gelatin production
Method there are a variety of, but main processing technological flow is：Raw water → preliminary sedimentation collecting-tank → preliminary sedimentation tank → comprehensive adjustment pond →
React the primary sedimentation tank → flotation tank → ponds A/O → final deposition pool → biological aerated filter → qualified discharge.
In gelatine wastewater processing procedure, preliminary sedimentation collecting-tank often assists realizing clear, dirty separation using mud scraper, passes
The mud scraper of system have the function of scraping with soil pick-up mud, since in gelatine wastewater, there are the raw materials such as bulky grain ossein, easily cause and scrape
Mud machine blocks, and often the use of ground is function that mud scraper scrapes mud therefore, the mud scraper that tradition uses is generally center driving concentration
Mud scraper, operation principle is substantially：Driving device on mud scraper drives mud scraper to be rotated around preliminary sedimentation collecting-tank center, raw water
After precipitation, supernatant is discharged from water outlet weir plate, the sludge or mud of bottom of pond is deposited in, in pushing away for logarithmic spiral curved shape scraper plate
Under dynamic, slowly flow in central mud-collecting slot along bottom of pond, be then discharged by sludge pipe.Meanwhile pond face dross focuses on dross
Region between scraper plate and scum board, when cylinder is discharged by floating on the dross in pond face in service bridge, dross excludes same be forced into
Under liquid level, dross is discharged by the way that cylinder is discharged outside pond.
The characteristics of due to gelatine wastewater itself, contain a large amount of grease in dross, these greases are discharged entering dross
When cylinder, a large amount of clear liquid can be mixed into and form grease, it is only 20% or so to lead to the concentration for the dross being finally discharged, due to gelatin
It is big to produce waste water radix（Kiloton）, cause the yield of dross big, when postorder carries out dehydration and drying, be added significantly to the section
The treating capacity of technique, energy consumption is big, long processing period, and plate pressure filter is often in overload state, and filter plate consumption is high.
In order to solve the problems, such as dross water content, as a kind of traditionally improved procedure, it is arranged in the lower section of service bridge
There is skimming plate, by skimming plate come the dross on quick collecting pit face, dross is then discharged by deslagging bucket, although which
Being mixed into for clear liquid can be effectively reduced, and the elimination efficiency of dross can also be improved, still, due to what is mainly contained in dross
Grease, in order to ensure that a large amount of greases can be discharged in dross, deslagging bucket when dross is discharged its to be still mixed into it is a certain amount of
Clear liquid just can guarantee elimination effect, in the dross finally obtained, concentration only reaches 23% or so, improvement unobvious,
If the dross of discharge is further separated by filtration, it can undoubtedly increase processing step and processing equipment, this is enterprise
It is unwilling to see therefore, the concentration of dross how is improved under conditions of low cost, there is realistic meaning.
Invention content
The goal of the invention of the present invention is：In view of the above problems, a kind of preliminary sedimentation collecting-tank mud scraper is provided, is led to
Setting ash pit and water-oil separating pipeline are crossed, comes to carry out further grease point to dross while mud scraper collects dross
From improving the concentration of dross with this, solve deficiency of the prior art.
The technical solution adopted by the present invention is as follows：A kind of preliminary sedimentation collecting-tank mud scraper, including centre strut and center are hung
The upper end of frame, center hanger is fixedly connected with steel platform flat-topped ridge, and steel platform flat-topped ridge includes service bridge, and service bridge is across in preliminary sedimentation collecting-tank
On, middle part and the center stand column of service bridge are rotatablely connected, and service bridge is separated into dreg scraping unit and deslagging portion by center stand column, scrapes slag
Ash pit and skimming plate are provided in portion, dreg scraping unit strikes off the dross on preliminary sedimentation collecting-tank by ash pit and skimming plate, row
Water-oil separating pipeline is provided in slag portion, water-oil separating pipeline is connected with ash pit, and water-oil separating pipeline is for isolating dross
Interior sewage.
Further, water-oil separating pipeline includes main siphunculus, and one end and the ash pit of main siphunculus are connected, the other end of main siphunculus
It is connected with sludge pump, in main siphunculus, the bottom of main siphunculus is evenly equipped with multiple flow-disturbing blocks, bottom and side and the main siphunculus of flow-disturbing block
Inner wall be fixedly connected, strainer is provided between adjacent flow-disturbing block, strainer is fixedly connected on main siphunculus, and flow-disturbing block is for retaining
Sewage in dross flows out main siphunculus by the sewage that flow-disturbing block is retained down by strainer.
Further, secondary siphunculus is provided with below main siphunculus, secondary siphunculus is connected by strainer and main siphunculus, and secondary siphunculus is used for
It will be in coagulant and sewage transport to preliminary sedimentation collecting-tank.
Further, the cross section of flow-disturbing block structure in a rectangular trapezoid, the spacing between adjacent flow-disturbing block are more than flow-disturbing block sheet
The bevel edge of the width of body, flow-disturbing block flows opposite direction towards dross, and the slope of bevel edge is positive number.
Further, the cross section of flow-disturbing block is ridge shape.
Further, the height of flow-disturbing block is between 0.5-3cm.
Further, the stabilizing feed well positioned at centre strut top, the coagulant in secondary siphunculus and dirt are connected in one end of secondary siphunculus
Water is delivered to by secondary siphunculus at stabilizing feed well.
Further, ash pit is in tilted layout on dreg scraping unit, and ash pit is minimum close to the end height of center stand column.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：The preliminary sedimentation collecting-tank of the present invention
With mud scraper, mainly solve the problems, such as that the dross water content present in existing mud scraper is big, by the way that ash pit and grease point is arranged
From pipeline, come to carry out further water-oil separating to dross while mud scraper collects dross, the dense of dross is improved with this
Degree, dross concentration are promoted to 38% by 23%, and oil-water separation is apparent, is effectively reduced the load of follow-up dehydration and drying, section
About energy consumption and use cost.
Description of the drawings
Fig. 1 is a kind of mud scraper structural schematic diagram of the present invention；
Fig. 2 is a kind of water-oil separating cross-section of pipeline structural schematic diagram of the present invention；
Fig. 3 is the water-oil separating pipeline axial cross section structural schematic diagram of Fig. 2；
Fig. 4 is another flow-disturbing block cross-sectional structure schematic diagram of the present invention；
Fig. 5 is another water-oil separating cross-section of pipeline structural schematic diagram of the present invention.
It is marked in figure：Pillar centered on 1,2 be preliminary sedimentation collecting-tank, and 201 be mud-collecting slot, and 202 be support rim, centered on 3
Hanger, 4 be steel platform flat-topped ridge, and 401 be service bridge, and 402 be pulley, and 403 be dreg scraping unit, and 404 be deslagging portion, and 405 be skimming plate,
406 be scum board, and 5 be driving device, and 6 be mud scraper frame, and 601 be scraping arm, and 602 be scraper plate, and 603 be grizzly bar, and 7 be current stabilization
Cylinder, 8 be sewage induction pipe, and 9 be sludge pipe, and 10 be flange, and 11 be outlet pipe, and 12 be water outlet weir plate, and 13 be rotatable platform, and 14 are
Ash pit, 15 be water-oil separating pipeline, and 1501 be main siphunculus, and 1502 be secondary siphunculus, and 1503 be flow-disturbing block, and 1504 be strainer, 16
It is dreg discharging box for sludge pump, 17.
Specific implementation mode
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, a kind of mud scraper, mainly for the treatment of gelatin sewage, it includes the center branch with hollow structure
The central part in preliminary sedimentation collecting-tank 2 is arranged in column 1, centre strut, and center hanger 3, center hanger are provided with around centre strut 1
Centre strut 1 is wrapped in inside by 3, is rotatablely connected between center stand column 1 and center hanger 3, and the upper end of center hanger 3, which is fixed, to be connected
It is connected to steel platform flat-topped ridge 4 and driving device 5, the lower part of center hanger 3 is provided with mud scraper frame 6, and the top of centre strut 1 is provided with
Stabilizing feed well 7 and into sewage mouth（It is not drawn into figure, it is identical into sewage mouth position and structure as conventional mud scraper）, into sewage mouth
Position is corresponding with the position of stabilizing feed well 7, in order to which sewage first impacts on stabilizing feed well 7, center hanger 3 and center stand column 1
Lower end is fixedly connected with the bottom of preliminary sedimentation collecting-tank 2.The bottom of the preliminary sedimentation collecting-tank 2 of the present invention is arcuate structure, and preliminary sedimentation catchments
The bottom centre in pond is equipped with the mud-collecting slot 201 of structure annular in shape, and the annular inner portion of mud-collecting slot 201 raises up to form support rim
202, center hanger 3 and center stand column 1 are fixedly connected on support rim 202, the bottom of preliminary sedimentation collecting-tank 2 be equipped with sewage into
Mouth pipe 8, sewage induction pipe 8 pass through support rim 202 to be connected with center stand column 1.It is provided with sludge pipe at the slot bottom of mud-collecting slot 201
9, sludge pipe 9 is used for the mud discharge preliminary sedimentation collecting-tank 2 in mud-collecting slot 201, and the top of preliminary sedimentation collecting-tank 2 is provided with annularly
The flange 10 and outlet pipe 11 of structure, outlet pipe 11, which is arranged on the upper surface in the top of flange 10, flange 10, to be provided with out
Weir board 12, the top edge of preliminary sedimentation collecting-tank 2 are provided with the rotatable platform 13 rotated for steel platform flat-topped ridge 4.
In the above-described embodiments, steel platform flat-topped ridge 4 includes service bridge 401, and service bridge 401 is across on preliminary sedimentation collecting-tank 2, work
The end set for making bridge 401 has pulley 402, pulley 402 to be overlapped on rotatable platform 13, and the middle part and center of service bridge 401 are vertical
Column 1 is rotatablely connected, and service bridge 401 is divided into dreg scraping unit 403 and 404 two, deslagging portion part, dreg scraping unit by center stand column 1
403 lower section is fixedly connected with skimming plate 405, and skimming plate 405 is arranged in series along the length direction of dreg scraping unit 403, skimming plate 405
The place of preliminary sedimentation collecting-tank 2 is provided with scum board 406, scum board 406 is fixedly connected with dreg scraping unit 403, skimming plate
405 top is provided with ash pit 14, and ash pit 14 is in tilted layout on dreg scraping unit 403, and ash pit 14 is close to center stand column 1
End height it is minimum.Further, the lower section in deslagging portion 404 is provided with water-oil separating pipeline 15, and the one of water-oil separating pipeline 15
It holds and is connected with ash pit 14, the other end of water-oil separating pipeline 15 is connected with small-sized sludge pump 16, and sludge pump 16 is used for will be oily
Dross in water separate pipeline 15 is delivered in dreg discharging box 17.
In the above-described embodiments, mud scraper frame 6 includes scraping arm 601 and scraper plate 602, and grizzly bar 603 is provided on scraping arm 601,
Mud scraper frame 6 is for scraping the mud of 2 bottom of preliminary sedimentation collecting-tank to mud-collecting slot 201, in order to which mud discharge preliminary sedimentation catchments
Outside pond 2.
The mud scraper of the present invention and the main distinction of traditional mud scraper are：Ash pit 14 is provided on service bridge 401
Effect with water-oil separating pipeline 15, ash pit 14 of the invention is：For dross to be delivered in water-oil separating pipeline 15, because
This, ash pit 14 is used with the collocation of water-oil separating pipeline 15.The water-oil separating pipeline 15 of the present invention is used for mistake in dross
More sewage are separated, and to improve the concentration for the dross collected, are convenient for the processing of subsequent handling, improve subsequent handling processing
Efficiency reduces its energy consumption.Specifically, as an implementation, water-oil separating pipeline 15 of the invention includes main siphunculus 1501
With secondary siphunculus 1502, one end and the ash pit 14 of main siphunculus 1501 are connected, and the other end and the sludge pump 16 of main siphunculus 1501 are connected,
The cross section of main siphunculus 1501 is in rectangular configuration, and secondary siphunculus 1502 is fixedly connected on the lower section of main siphunculus 1501, secondary siphunculus 1502
The trapezoidal structure in cross section, in main siphunculus 1501, the bottom of main siphunculus 1501 is evenly equipped with multiple flow-disturbing blocks 1503, flow-disturbing block
1503 bottom and side are fixedly connected with the inner wall of main siphunculus 1501, the cross section structure in a rectangular trapezoid of flow-disturbing block 1503,
As shown in Figures 2 and 3.Further, it is desirable that spacing between adjacent flow-disturbing block 1503 is more than flow-disturbing block 1503 width of itself, with
It can be retained down, and be rested on simultaneously between flow-disturbing block 1503 convenient for the sewage in dross.The bevel edge court of flow-disturbing block 1503
Opposite direction is flowed to dross, and the slope of bevel edge is positive number, such setting is skimmed over for the ease of dross, is reduced to floating
The resistance of slag effectively prevent dross to be kept off obtaining between flow-disturbing block 1503 and influence oil-water separation.Between flow-disturbing block 1503
Gap location opening and in opening, strainer 1504 is set, since the mud scraper of the present invention is for handling manufacturing of gelatin sewage, root
The characteristics of according to manufacturing of gelatin sewage, containing a large amount of greases, organic matter, bone waste material, other impurities etc. in sewage, organic matter and bone are useless
Material can be deposited in water-bed or form jelly and suspend in water, grease and other impurities can be tied since density ratio water is big
Conjunction forms dross and floats on the water, and the operation principle of flow-disturbing block 1503 of the invention is：Ash pit 14 is defeated by the dross of collection
It send to main siphunculus 1501, dross flowing in main siphunculus 1501, at this point, when dross skims over flow-disturbing block 1503, since water is
In the lower part of dross stream, the water in dross stream can be kept off by flow-disturbing block 1503 to be obtained out（As gravity separation）, obtained by gear
Water fallen in secondary siphunculus 1502 by strainer 1504, and dross then stays in main siphunculus 1501, is achieved in water-oil separating,
It is obtained by constantly carrying out gear to dross, the cup in dross is constantly separated, and the concentration of dross is which thereby enhanced.Dividing
It is entrained into again in dross stream, flow-disturbing from the process, being obtained on a small quantity by gear due to the dross to get off can be flowed dross
The right-angle side of block 1503 is convenient for sewage keep off obtaining collection, and the sewage after effectivelying prevent gear to obtain is entrained into dross stream again
In, thereby guarantee that oil-water separation.
Among the above, the height of flow-disturbing block 1503 is between 0.5-3cm, preferably between 0.8-1.2cm, by testing table
It is bright, when the height of flow-disturbing block 1503 is less than 0.5cm, since the height of flow-disturbing block 1503 is relatively low, it is insufficient to allow dross and countless
Separation, separating effect is very poor, almost negligible to disregard, when the height of flow-disturbing block 1503 is higher than 3cm, due to flow-disturbing block 1503
Height is higher, can keep off and obtain more dross, and separating effect is undesirable, and easily leads to the blocking of main siphunculus 1501, and works as flow-disturbing block
When 1503 height is between 0.8-1.2cm, separating effect is preferable, can effectively be detached to dross, flow-disturbing block 1503
Occurrence then determined according to the size of dross flow and main siphunculus 1501, as a reference, the present invention is main logical in implementation process
The size of pipe 1501 is 300 × 200 × 2.0mm, and the size of flow-disturbing block 1503 is 294 × 20（Bottom）× 12mm, flow-disturbing block
Spacing between 1503 is 60mm, and the concentration of finally obtained dross is promoted to 38% by 23%, and separating effect is apparent.
In the above-described embodiments, secondary siphunculus 1502 is connected by strainer 1504 and main siphunculus 1501, the master of secondary siphunculus 1502
Act on is flowed back again for coagulant to be delivered in preliminary sedimentation collecting-tank 2, while by the sewage that main siphunculus 1501 is isolated
Into preliminary sedimentation collecting-tank 2.By being mixed into coagulant into preliminary sedimentation collecting-tank 2, effectively gelatin sewage can be pre-processed, made
Most grease, organic matter and fertilizer made from animal bones material are sorted out in gelatin sewage, and the treating capacity of subsequent handling is greatly decreased, and reduce
Processing cost.In the present invention, can multiple through-holes be set in the bottom of secondary siphunculus 1502（It is not drawn into figure）, by through-hole to pre-
It is mixed into coagulant in heavy collecting-tank 2, so that coagulant can be relatively evenly mixed into sewage.
Further, in order to improve coagulation effect and shorten the sedimentation period, stabilizing feed well 7 is connected in one end of secondary siphunculus 1502,
Coagulant and sewage in secondary siphunculus 1502 are delivered to by secondary siphunculus 1502 at stabilizing feed well 7, at this point, coagulant with enter preliminary sedimentation
Sewage in collecting-tank 2 is sufficiently mixed, and thus the dirt in sewage can be made largely to settle down, and then can be right in fill process
Sewage carries out abundant coagulant precipitation, which thereby enhances coagulation effect and shortens the sedimentation period.Meanwhile in the charging later stage, passing through pair
The mode of 1502 drip of siphunculus is mixed into a small amount of coagulant to entire preliminary sedimentation collecting-tank 2 and improves effect of settling to improve, and two kinds are mixed into
Mode cooperates in different times, the dirt in sewage can be made to settle down to the maximum extent, and mud yield is high, settles the period
It is short, it is very suitable for the pre- subsidence stage of gelatin sewage, as a reference, the present invention is in implementation process, the size of preliminary sedimentation collecting-tank 2
For 15 × 20 × 4m, gelatin sewage is mainly：The processes such as the waste water, including pickling, neutralization for producing gelatin with animal aggregate generate
Waste water, coagulant used is coagulant commonly used in the art, and addition metering is conventional metering, finally obtained mud total amount by
21.0% is promoted to 29.0%, settles cycle time 10%, and effect of settling and sedimentation period are obtained for and are obviously improved.
As a kind of interchangeable embodiment, the cross section of flow-disturbing block 1503 is ridge shape, as shown in figure 4, such
Structure obtains the gear of dross itself primarily to reducing to the greatest extent, in order to which sewage flows out from strainer 1504, still, the structure
To the separating effect of sewage not as good as above-mentioned trapezium structure, cause is, dross, easily will precipitation when skimming over the flow-disturbing block 1503
Sewage between flow-disturbing block 1503 is entrained into again in dross stream, thereby reduces the water yield at this, is asked to solve this
To overcome, thus in material cost and processing cost topic needs that flow-disturbing blocks more more than above-described embodiment 1503 are arranged
Increase.
It being preferably carried out mode as one kind, the cross section of main siphunculus 1501 is circular configuration, as shown in figure 5, flow-disturbing block
1503 side and bottom surface are fixedly connected with the inner wall of main siphunculus 1501, and the structure of flow-disturbing block 1503 can be above-mentioned trapezoidal knot
Structure can also be exactly plank frame, strainer 1504 is still provided between flow-disturbing block 1503, and the lower section of main siphunculus 1501 is still set
It is equipped with secondary siphunculus 1502, the cross section of secondary siphunculus 1502 is also arcuate structure.Main siphunculus 1501 is provided in round structure to help
Bottom is come together in the sewage in dross, in order to which flow-disturbing block 1503 preferably carries out water-oil separating, the pair with arcuate structure
Siphunculus 1502 contributes to coagulant preferably to flow out secondary siphunculus 1502, reduces the residue in secondary siphunculus 1502, prevents secondary siphunculus
Occur serious scale problems in 1502.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (8)
1. a kind of preliminary sedimentation collecting-tank mud scraper, including centre strut and center hanger, the upper end of center hanger are fixedly connected with
Steel platform flat-topped ridge, which is characterized in that steel platform flat-topped ridge includes service bridge, and service bridge is across on preliminary sedimentation collecting-tank, the middle part of service bridge
It is rotatablely connected with center stand column, service bridge is separated into dreg scraping unit and deslagging portion by center stand column, deslagging is provided on dreg scraping unit
Slot and skimming plate, dreg scraping unit strike off the dross on preliminary sedimentation collecting-tank by ash pit and skimming plate, and deslagging is provided with oil in portion
Water separate pipeline, water-oil separating pipeline are connected with ash pit, and water-oil separating pipeline is used to isolate the sewage in dross.
2. preliminary sedimentation collecting-tank mud scraper as described in claim 1, which is characterized in that water-oil separating pipeline includes main siphunculus,
One end of main siphunculus is connected with ash pit, and the other end and the sludge pump of main siphunculus are connected, and in main siphunculus, the bottom of main siphunculus is uniformly distributed
There are multiple flow-disturbing blocks, the bottom and side of flow-disturbing block to be fixedly connected with the inner wall of main siphunculus, filter is provided between adjacent flow-disturbing block
Net, strainer are fixedly connected on main siphunculus, and flow-disturbing block is used to retain the sewage in dross, is led to by the sewage that flow-disturbing block is retained down
Filter screen flows out main siphunculus.
3. preliminary sedimentation collecting-tank mud scraper as claimed in claim 2, which is characterized in that be provided with below main siphunculus secondary logical
Pipe, secondary siphunculus are connected by strainer and main siphunculus, and secondary siphunculus is used for will be in coagulant and sewage transport to preliminary sedimentation collecting-tank.
4. preliminary sedimentation collecting-tank mud scraper as claimed in claim 2 or claim 3, which is characterized in that the cross section of flow-disturbing block is rectangular
Trapezium structure, the spacing between adjacent flow-disturbing block are more than the width of flow-disturbing block itself, and the bevel edge of flow-disturbing block is towards dross mobile phase
Anti- direction, and the slope of bevel edge is positive number.
5. preliminary sedimentation collecting-tank mud scraper as claimed in claim 2 or claim 3, which is characterized in that the cross section of flow-disturbing block is ridge
Shape.
6. preliminary sedimentation collecting-tank mud scraper as claimed in claim 2, which is characterized in that the height of flow-disturbing block 0.5-3cm it
Between.
7. preliminary sedimentation collecting-tank mud scraper as claimed in claim 3, which is characterized in that one end of secondary siphunculus, which is connected, is located at center
The stabilizing feed well of column upper section, coagulant and sewage in secondary siphunculus are delivered to by secondary siphunculus at stabilizing feed well.
8. preliminary sedimentation collecting-tank mud scraper as described in claim 1, which is characterized in that ash pit is in tilted layout in dreg scraping unit
On, ash pit is minimum close to the end height of center stand column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810547706.8A CN108483742A (en) | 2018-05-31 | 2018-05-31 | A kind of preliminary sedimentation collecting-tank mud scraper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810547706.8A CN108483742A (en) | 2018-05-31 | 2018-05-31 | A kind of preliminary sedimentation collecting-tank mud scraper |
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| CN108483742A true CN108483742A (en) | 2018-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810547706.8A Withdrawn CN108483742A (en) | 2018-05-31 | 2018-05-31 | A kind of preliminary sedimentation collecting-tank mud scraper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108483742A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111481966A (en) * | 2020-05-06 | 2020-08-04 | 南京信息工程大学 | Chemical sewage treatment plant for environmental engineering |
| CN114855245A (en) * | 2022-03-11 | 2022-08-05 | 安徽省生态环境科学研究院 | Electroplating processing equipment convenient for adjusting lifting height and adjusting method thereof |
-
2018
- 2018-05-31 CN CN201810547706.8A patent/CN108483742A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111481966A (en) * | 2020-05-06 | 2020-08-04 | 南京信息工程大学 | Chemical sewage treatment plant for environmental engineering |
| CN114855245A (en) * | 2022-03-11 | 2022-08-05 | 安徽省生态环境科学研究院 | Electroplating processing equipment convenient for adjusting lifting height and adjusting method thereof |
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Application publication date: 20180904 |
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