CN209679671U - A kind of screening plant recycled suitable for discarded slurry - Google Patents
A kind of screening plant recycled suitable for discarded slurry Download PDFInfo
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- CN209679671U CN209679671U CN201920304211.2U CN201920304211U CN209679671U CN 209679671 U CN209679671 U CN 209679671U CN 201920304211 U CN201920304211 U CN 201920304211U CN 209679671 U CN209679671 U CN 209679671U
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Abstract
The utility model proposes a kind of screening plants recycled suitable for discarded slurry, and equipment includes slurry filtering device, slurry collecting pond, transmission device, longitudinal belt wheel, coarse granule filter screen, coarse granule collecting pit and transition pond；Slurry filtering device is used to separate the body refuse and mud in discarded slurry, wherein mud sediment is delivered to coarse granule filter screen by transmission device in slurry collecting pond, body refuse；Coarse granule filter screen is used to separate coarse granule, the fine grained in body refuse, body refuse is separated into coarse granule and fine grained two parts after coarse granule filter screen filtration, fine grained is precipitated in transition pond after coarse granule filter screen filtration, and coarse granule is sent to coarse granule collecting pit by longitudinal belt wheel.The utility model proposes a kind of discarded slurry screening plant efficiently, environmentally friendly for a large amount of discarded slurries generated in geotechnical engineering construction, and mud, fine grained, the coarse granule in discarded slurry are separated, realize being recycled for separation product.
Description
Technical field
The utility model relates to the professional equipment in geotechnical engineering construction field, specifically a kind of discarded slurry that is suitable for is recycled
The screening plant utilized.
Background technique
With the rapid economic development in our country, geotechnical engineering construction scale increasingly increases.Geotechnical engineering especially shield tunnel
Road construction would generally generate a large amount of discarded slurry.A large amount of discarded slurry not only results in serious without processing direct emission
Environmental pollution also affects construction speed and construction quality.Therefore screening process must be carried out to discarded slurry, by waste sludge
Body refuse in slurry discharges again after separating.
Shi Wenjie is equal to " the subway work dumping mud treatment test delivered at " water resource and Hydraulic Projects journal " in 2017
Research " it one the article pointed out: during constructing metro tunnel, need to build a large amount of mud pit to store discarded slurry, then gradually
Processing.In general, subway work scene multidigit is in urban district, some is even in bustling business and traffic area, the presence of mud pit
Valuable construction site is not only occupied, but also affects construction speed and site environment.In addition, discharge is untreated discarded
Mud will cause a series of environmental problems such as soil, pipe network blocking and soil erosion.Therefore, a kind of high efficiency, low cost are found
And environmentally friendly dumping mud treatment measure and technique is very urgent.
Although existing a large amount of discarded slurry separation equipment in the market, limited using function, working efficiency is lower,
It is unable to satisfy geotechnical engineering construction demand.It is found through being retrieved to existing technical literature, the number of applying for a patent are as follows:
201721565683.0 Publication No.: CN207646049U, patent name are as follows: device for separating mud and water and mud and water separating equipment, it should
Patent readme is " can separate the body refuse and water in mud, and strainer will not silting ".Although the patent realizes in discarded slurry
The separation of solid and liquid, but the body refuse in discarded slurry is not effectively separated, it cannot achieve the recycling of discarded slurry
It utilizes.
Utility model content
In view of the above shortcomings of the prior art, it is suitable for discarded slurry the utility model proposes one kind to recycle
Screening plant, by the screening process to discarded slurry, by the mud in discarded slurry, fine grained, coarse granule separation, separation
Product energy secondary use so that realizing turns waste into wealth, and reduces environmental pollution.
A kind of screening plant recycled suitable for discarded slurry is provided according to the utility model,
The equipment include slurry filtering device, slurry collecting pond, transmission device, longitudinal belt wheel, coarse granule filter screen,
Coarse granule collecting pit and transition pond；Wherein,
The slurry collecting pond is set to the lower section of the slurry filtering device, and the slurry filtering device is useless for separating
The body refuse and mud in mud are abandoned, the mud sediment of separation is in the slurry collecting pond；
The input end of the transmission device is set to the side of the slurry filtering device, and outlet end is set to described thick
The top of grain filter screen；The body refuse of separation is delivered to the coarse granule filter screen by the transmission device；
The coarse granule filter screen is set to the top in the transition pond, and the coarse granule filter screen is for separating the mud
The body refuse of coarse granule, fine grained in slag, separation is divided into coarse granule and fine grained after the coarse granule filter screen filtration,
The fine grained is precipitated in the transition pond after the coarse granule filter screen filtration；It is highly preferred that the coarse granule filtering
The excessively fixed bracket of Netcom is fixedly connected with transition bottom of pond face；The inclination angle of the coarse granule filter screen can be adjusted in a certain range,
The foundation of adjusting is to ensure that coarse granule can smoothly slide to the transmission device.
The feed end of the longitudinal belt wheel is set to the bottom of the coarse granule filter screen, and discharge end is set to described thick
The top in powder collection pond, the coarse granule slide by sliding force to the feed end of the longitudinal belt wheel, by described vertical
The coarse granule collecting pit is sent to belt pulley.
Preferably, the transmission device includes longitudinal idler wheel, the first slide plate and lateral belt pulley, wherein
The longitudinal direction idler wheel is set to the side of the slurry filtering device, and the longitudinal direction idler wheel is by the body refuse of separation
It is transferred on first slide plate；
First slide plate one end is set to longitudinal idler wheel side, and the upper of the lateral belt pulley is arranged in the other end
Side, the body refuse are snapped down on the lateral belt pulley by first slide plate；
One end of the transverse direction belt pulley is set to longitudinal idler wheel side, and the other end is set to the coarse granule filtering
The top of net；The body refuse is sent on the coarse granule filter screen by the lateral belt pulley.
It is highly preferred that the transverse direction belt pulley bottom is the steel truss being welded by angle steel, every certain above truss
Distance one runner is set, belt made of rubber is laid with above runner, belt can transport body refuse by stiction
To coarse granule filter screen.
It is highly preferred that first vane obliquity can be adjusted in a certain range, the foundation of adjusting is to ensure that body refuse energy
It smoothly slides to lateral belt pulley.
Preferably, there is one or more of feature:
The slurry collecting pond is surrounded by reinforced concrete wall, and the width and height of the reinforced concrete wall cannot be small
In the size requirement that minimum slurry collecting amount determines, and height is no more than the height of longitudinal idler wheel；
The coarse granule collecting pit is surrounded by reinforced concrete wall, and the width and height of the reinforced concrete wall cannot
Less than the size requirement that minimum coarse granule collecting amount determines, and height is no more than the height of the longitudinal belt wheel.
Preferably, there is one or more of feature:
The longitudinal direction idler wheel turns to the lateral belt pulley one by motor driven, by the slurry filtering device side
Side；The longitudinal direction idler wheel is connect by bearing with fixed bracket, and fixed bracket connects by the way that bolt and slurry collecting bottom of pond face are fixed
It connects.
The longitudinal direction idler wheel is hollow cylinder, and the hollow cylinder surface is equipped with multiple first grooves, first groove
It is open and is tilted to longitudinal idler wheel direction of rotation；It is highly preferred that the first slot opening way roller direction of rotation inclination
45 ° of settings；
The second filter screen, the aperture of second filter screen and the filtering slurry pond is arranged in first bottom portion of groove
Filter screen in device is identical, for carrying out secondary filter to the body refuse of separation.
Preferably, first slide plate is welded by three blocks of steel plates, and bottom surface surface of steel plate is smooth, facilitates the body refuse
It smoothly slides, two sides steel plate is for preventing the body refuse from falling in the slurry collecting pond.
The utility model is further arranged to, and the equipment further includes transverse-roller, the second slide plate, fine particle collection pond,
Wherein, the transverse-roller is set to below the coarse granule filter screen, and one end of second slide plate is set to the transverse direction
Idler wheel side, the other end are set to obliquely above the fine particle collection pond, and the transverse-roller is by described thin of separation
Grain is transferred on second slide plate, then is snapped down in the fine particle collection pond by second slide plate.
Preferably, close to transverse-roller, the other end is oblique down toward the fine particle collection pond for second slide plate one end, and
It is fixedly connected by fixed bracket with fine particle collection bottom of pond face.
Preferably, there is one or more of feature:
The transverse-roller can turn to the fine particle collection by slurry collecting pond side by motor driven
Pond side；
The transverse-roller is connect by bearing with fixed bracket, and fixed bracket is fixed by bolt and transition bottom of pond face
Connection；
The transverse-roller is hollow cylinder, and the transverse-roller surface is equipped with multiple second grooves, second groove
It is open and is tilted to the transverse-roller direction of rotation；
Third filter screen, the aperture of the third filter screen and the coarse granule mistake is arranged in the bottom of second groove
The aperture of strainer is identical, for carrying out secondary filter to the fine grained；
The fine particle collection pond is surrounded by reinforced concrete wall, and the width and height of the reinforced concrete wall cannot
Less than the size requirement that minimum fine particle collection amount determines, and height is no more than the half of the transverse-roller height.
Preferably, second slide plate is welded by three blocks of steel plates, wherein the surface of steel plate of bottom surface is smooth, facilitates
Body refuse smoothly slides, and the steel plate of two sides is for preventing the body refuse from falling in the slurry collecting pond.
Preferably, the infundibulate device that the slurry filtering device is made of four blocks of isosceles trapezoid steel plates, it is described trapezoidal
The bevel edge of steel plate is successively welded and is formed a circle, and the first filter screen is arranged in the inclined bottom surface that bottom edge surrounds below the trapezoidal steel plate,
The aperture of first filter screen is determined according to the partial size of fine grained and mud, can ensure that the mud and the body refuse effectively divide
From making the mud and water energy sink down into the slurry collecting pond through first filter screen.
Preferably, first filter screen is set as adjustable, enables the inclination angle of first filter screen in certain model
Enclose interior adjusting, it is ensured that the body refuse can smoothly slide to the transmission device.
The working principle of the utility model above structure are as follows: the discarded slurry that geotechnical engineering construction generates passes through filtering slurry
After the filtering of device, become mud and body refuse two parts；For mud sediment in slurry collecting pond, body refuse passes through longitudinal idler wheel transfer
To lateral belt pulley, then body refuse is sent to coarse granule filter screen by motor driven by transverse direction belt pulley, through coarse granule mistake
Body refuse after strainer filtering becomes coarse granule and fine grained two parts；Fine grained is transferred to fine particle collection pond by transverse-roller
In, coarse granule is transferred to coarse granule collecting pit by the transmission of longitudinal belt wheel.
Compared with prior art, the utility model have it is following the utility model has the advantages that
The utility model proposes a kind of efficient, environmental protection for a large amount of discarded slurries generated in geotechnical engineering construction
Discarded slurry screening plant separates mud, fine grained, the coarse granule in discarded slurry, realizes the recycling benefit of separation product
With, while environmental pollution is reduced, it accelerates construction progress, lifting construction quality, there is important meaning and valence to geotechnical engineering construction
Value.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is one preferred embodiment overall structure top view of the utility model；
Fig. 2 is one preferred embodiment overall structure front view of the utility model；
Fig. 3 is one preferred embodiment overall structure left view of the utility model；
Fig. 4 is one preferred embodiment transverse-roller of the utility model or longitudinal idler wheel three-dimensional figure；
Fig. 5 is one preferred embodiment transverse conveyor of the utility model or longitudinal conveyer belt three-dimensional figure；
Figure label respectively indicates are as follows: 1 is slurry filtering device, 2 is slurry collecting pond, 3 is fine particle collection pond, 4 is
Coarse granule collecting pit, 5 be the first water pipe, 6 be longitudinal idler wheel, 7 be the first slide plate, 8 be motor, 9 be lateral belt pulley, 10 be skin
Band, 11 be runner, 12 be transition pond, 13 be coarse granule filter screen, 14 be transverse-roller, 15 be longitudinal belt wheel, 16 be second
Water pipe, 17 be fixed bracket, 18 be third filter screen, 19 be steel truss, 20 be the second slide plate.
Specific embodiment
The utility model is described in detail combined with specific embodiments below.Following embodiment will be helpful to this field
Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, various modifications and improvements can be made.
These are all within the protection scope of the present invention.
In a preferred embodiment, as shown in Figure 1-3, for a kind of screening plant recycled suitable for discarded slurry
Structural schematic diagram, screening plant is by the screening process to discarded slurry, by the mud in discarded slurry, fine grained, coarse granule
Separation, separation product energy secondary use so that realizing turns waste into wealth, and reduce environmental pollution.
Such as: a running tunnel during subway work: left line overall length 2417.291m, right line overall length
2416.971m；The wherein left long 922.967m of line shield tunnel, the right long 961.971m of line shield tunnel.Engineering uses two soil pressures
Balance shield machine is constructed simultaneously, therefore, a large amount of discarded slurry can be generated in construction.Complex formation locating for shield section tunnel,
It is made of completely decomposed, severely-weathered, medium weathering and light weathered granite, therefore, there are more body refuses in the discarded slurry.For
It realizes being recycled for discarded slurry, screening process is carried out to discarded slurry using this screening plant.
As shown in Figure 1, screening plant includes slurry filtering device 1, slurry collecting pond 2, transmission device, longitudinal belt wheel
15, coarse granule filter screen 13, coarse granule collecting pit 4 and transition pond 12.
Wherein, slurry collecting pond 2 is set to the lower section of slurry filtering device 1, and slurry filtering device 1 is for separating waste sludge
Body refuse and mud in slurry, isolated mud sediment is in slurry collecting pond 2；The input end of transmission device is set to filtering slurry dress
1 side is set, outlet end is set to the top of coarse granule filter screen 13；Isolated body refuse is delivered to coarse granule by transmission device
Filter screen 13.
Coarse granule filter screen 13 is set to the top in transition pond 12, and coarse granule filter screen 13 is used to separate thick in body refuse
Grain, fine grained, isolated body refuse are divided into coarse granule and fine grained after the filtering of coarse granule filter screen 13, and fine grained is through coarse granule mistake
Strainer 13 is precipitated in transition pond 12 after filtering；
The feed end of longitudinal belt wheel 15 is set to the bottom of coarse granule filter screen 13, and discharge end is set to coarse granule collection
The top in pond 4, coarse granule slide to the feed end of longitudinal belt wheel 15 by sliding force, are sent to by longitudinal belt wheel 15
Coarse granule collecting pit 4.
The infundibulate device that slurry filtering device 1 is made of four blocks of isosceles trapezoid steel plates, the bevel edge of trapezoidal steel plate is successively
Welding forms a circle.The first water pipe 5 of diameter 200mm is laid on bottom edge above four blocks of trapezoidal steel plates, and the first water pipe 5 is separate
The side uniform pore openings of trapezoidal steel plate, constantly spray water while toppling over discarded slurry, facilitate the filtering of mud, help simultaneously
Longitudinal idler wheel 6 is smoothly snapped down in body refuse.The bottom surface that bottom edge surrounds below trapezoidal steel plate is installed by one inclined first filtering
Net, inclination angle are 45 °, and mud and water energy sink down into slurry collecting pond 2 through the first filter screen, and body refuse slided to by sliding force it is vertical
In way roller 6.
The parameter of the selection of slurry filtering device 1 is as follows in the specific implementation: big isosceles ladder in four blocks of isosceles trapezoid steel plates
The length of bottom edge up and down of shape steel plate is respectively 6.8m and 4m, height 1.7m, thickness 5mm；The upper bottom of small isosceles trapezoid steel plate
Length is respectively 2.8m and 0.9m, height 2m, thickness 5mm.The filter screen of first filter screen long 4m, wide 0.9m, aperture 0.2mm.
Slurry collecting pond 2 is for collecting through the filtered mud of slurry filtering device 1 and water, by armored concrete walled
At.Slurry collecting pond 2 is surrounded by reinforced concrete wall, and the width and height of reinforced concrete wall cannot be less than minimum slurry collecting
The size requirement that amount determines, and height is no more than the height of longitudinal idler wheel 6.The tool in slurry collecting pond 2 in the specific implementation
The parameter of body selection is as follows: 2 six, slurry collecting pond edge lengths are respectively 17.6m, 7.2m, 10.8m, 1.5m, 6.8m, 8.7m.
Length is the high 2m of reinforced concrete wall, the high 3.7m of remaining reinforced concrete wall of 7.2m, wherein have 2m in underground, with a thickness of
164mm。
In the preferred embodiment of part: as shown in Figure 1, transmission device includes longitudinal idler wheel 6, the first slide plate 7 and lateral skin
Belt wheel 9, wherein
Longitudinal idler wheel 6 is set to the side of slurry filtering device 1, and isolated body refuse is transferred to first and slided by longitudinal idler wheel 6
On plate 7；
First slide plate, 7 one end is set to longitudinal 6 side of idler wheel, and the other end is set to the top of lateral belt pulley 9, and body refuse is logical
The first slide plate 7 is crossed to be snapped down on lateral belt pulley 9；
One end of lateral belt pulley 9 is set to longitudinal 6 side of idler wheel, and the other end is set to the upper of coarse granule filter screen 13
Side；Body refuse passes through lateral belt pulley 9 and is sent on coarse granule filter screen 13.
As shown in figure 4, longitudinal idler wheel 6 is a hollow cylinder, it is connect by bearing with fixed bracket, fixed bracket passes through spiral shell
Bolt is fixedly connected with 2 bottom surface of slurry collecting pond.Longitudinal idler wheel 6 can be driven using motor 8, and revolving speed is controlled by motor 8, by mud mistake
It filters 1 side of device and turns to 2 side of slurry collecting pond.Longitudinal 6 surface of idler wheel is equipped with three the first grooves of column, and each column 15 first is recessed
Slot, opening way roller direction of rotation tilt 45 °, and the first bottom portion of groove installs the second filter screen, the aperture of the second filter screen and mud
Filter screen in slurry filtering pool device 1 is identical, can carry out secondary filter to body refuse.Longitudinal 6 energy of idler wheel will be through slurry filtering device 1
Filtered body refuse is transferred on the first slide plate 7, then is snapped down on lateral belt pulley 9 by the first slide plate 7.In the specific implementation
The parameter of longitudinal idler wheel 6 selected is as follows: longitudinal idler wheel 6 is a hollow cylinder, the internal diameter 2.2m of hollow cylinder, outer diameter 3m, wide
Spend 3m.First groove long 1m, wide 0.6m.
First slide plate 7 is welded by three blocks of steel plates, and bottom surface surface of steel plate is smooth, is facilitated body refuse and is smoothly slid, two sides
For long rectangular steel plates, it can prevent body refuse from falling in slurry collecting pond 2.First slide plate, 7 one end is close to longitudinal idler wheel 6, the other end
On lateral belt pulley 9, it is fixedly connected by fixed bracket with 2 bottom surface of slurry collecting pond.The inclination angle of first slide plate 7 is
45°.The parameter of the selection of the first slide plate 7 is as follows in the specific implementation: the bottom surface in three blocks of steel plates is one piece of upper bottom 3.2m, bottom
The isosceles trapezoid steel plate of 1.5m, high 1m, thickness 5mm, surface is smooth, facilitates body refuse and smoothly slides, and two sides are long 0.85m, wide
0.3, the rectangular steel plates of thickness 5mm can prevent body refuse from falling in slurry collecting pond 2.
As shown in Figure 5: lateral 9 bottom of belt pulley is the steel truss 19 being welded by angle steel, installs one above truss
Runner 11, runner 11 are laid with belt 10 made of rubber above, body refuse can be transported to coarse granule filtering by stiction
Net 13.Lateral 9 one end of belt pulley is close to longitudinal idler wheel 6, and for the other end on coarse granule filter screen 13, both ends pass through fixation respectively
Bracket is fixedly connected with 2 bottom surface of slurry collecting pond, horizontal by 24 ° of angles.Lateral belt pulley 9 is available to be fixed on one end
Motor 8 drives, and revolving speed is controlled by motor 8.The parameter of the selection of lateral belt pulley 9 is as follows in the specific implementation: steel truss 19 is long
16m, wide 1.2m, install a runner 11 every 0.8m above truss, and runner 11 is laid with belt 10 made of rubber, skin above
10 width 750mm of band.
Coarse granule filter screen 13 is mounted on transverse-roller 14, under lateral belt pulley 9.Fine grained can penetrate coarse granule
Filter screen 13 falls to transition pond 12, and coarse granule slides by sliding force to longitudinal belt wheel 15.Coarse granule filter screen 13
It is fixedly connected by fixed bracket with 12 bottom surface of transition pond.The aperture of coarse granule filter screen 13 be 15mm, can ensure that coarse granule and
Fine grained efficiently separates.Second water pipe 16 is installed at 13 top 0.5m of coarse granule filter screen, 16 uniform pore openings of the second water pipe, In
It constantly sprays water while sludge filtration, facilitates fine grain filtering, while facilitating coarse granule and being smoothly snapped down to longitudinal belt
On wheel 15.The parameter of the selection of coarse granule filter screen 13 is as follows in the specific implementation: coarse granule filter screen 13 is 4m long, wide 1.8m,
30 ° of inclination angle, the aperture of coarse granule filter screen 13 are 15mm, the diameter 200mm of the second water pipe 16.
Transition pond 12 is arranged in slurry collecting pond 2, is surrounded by three face reinforced concrete walls.Transition pond in the specific implementation
The parameter of 12 selection is as follows: the length and width in transition pond 12 is respectively 5.8m and 2.3m.The high 3.7m of reinforced concrete wall,
There is 2m in underground, wherein with a thickness of 100mm.
The utility model is further arranged to, and equipment further includes transverse-roller 14, the second slide plate 20, fine particle collection pond 3,
Wherein, transverse-roller 14 is set to 13 lower section of coarse granule filter screen, and one end of the second slide plate 20 is set to transverse-roller 14 1
Side, the other end are set to 3 top of fine particle collection pond obliquely, and isolated fine grained is transferred to the second slide plate by transverse-roller 14
On 20, then passes through the second slide plate 20 and be snapped down in fine particle collection pond 3.
As shown in figure 4, transverse-roller 14 is a hollow cylinder, it is connect by bearing with fixed bracket 17, fixed bracket
17 are fixedly connected by bolt with 12 bottom surface of transition pond.Transverse-roller 14 can be driven using motor 8, and revolving speed is controlled by motor 8, by
2 side of slurry collecting pond turns to 3 side of fine particle collection pond.14 surface of transverse-roller is equipped with multiple second grooves, the second groove
The way roller direction of rotation that is open tilts 45 °, and the second bottom portion of groove installs third filter screen 18, the aperture of third filter screen 18 and thick
Particle filtering net 13 is identical, can carry out secondary filter to fine grained.14 energy of transverse-roller will be after the filtering of coarse granule filter screen 13
Fine grained be transferred on the first slide plate 7, then be snapped down in fine particle collection pond 3 by the first slide plate 7.It is horizontal in the specific implementation
The parameter of way roller 14 selected is as follows: the size of hollow cylinder is internal diameter 2.2m, outer diameter 3m, width 2.7m；Transverse-roller 14
Surface is equipped with three column, 15 the second grooves of each column, wherein each long 0.9m of second groove, wide 0.6m.
Second slide plate 20 is welded by three blocks of steel plates, and the surface of bottom surface steel plate is smooth, is facilitated fine grained and is smoothly slid,
Two sides are rectangular steel plates, can prevent fine grained from falling in transition pond 12.Second slide plate, 20 one end is another close to transverse-roller 14
It holds oblique down toward fine particle collection pond 3.And it is fixedly connected by fixed bracket 17 with 3 bottom surface of fine particle collection pond.Second slide plate
20 inclination angle is 45 °.The parameter of the selection of the second slide plate 20 is as follows in the specific implementation: bottom surface is on one piece in three blocks of steel plates
Bottom 3.2m, go to the bottom 1.5m, and the isosceles trapezoid steel plate of high 1m, thickness 5mm, two sides steel plate is long 0.85m, wide by 0.3, thickness 5mm's
Rectangular steel plates.
Fine particle collection pond 3 is for collecting through the filtered fine grained of coarse granule filter screen 13, by armored concrete walled
At.Fine particle collection pond 3 is surrounded by reinforced concrete wall, and the width and height of reinforced concrete wall cannot be less than minimum fine grained
The size requirement that collecting amount determines, and height is no more than the half of 14 height of transverse-roller.Fine grained in the specific implementation
The parameter of the selection of collecting pit 3 is as follows: the length and width in fine particle collection pond 3 is respectively 7.2m and 6.7m.With slurry collecting
The high 2m of reinforced concrete wall closely of pond 2, the high 3.7m of remaining reinforced concrete wall, wherein having 2m in underground, with a thickness of 164mm.
15 structure of longitudinal belt wheel is identical as above-mentioned lateral belt pulley 9, and coarse granule can be transported to eminence by it, and then thick
Grain is fallen in coarse granule collecting pit 4 by gravity.Longitudinal direction is another to close 13 bottom of coarse granule filter screen in 15 one end of belt pulley
On coarse granule collecting pit 4, both ends are fixed by fixed bracket 17 and transition pond 12 and 4 bottom surface of coarse granule collecting pit respectively at end
Connection.Longitudinal belt wheel 15 drives using the motor 8 for being fixed on one end, and revolving speed is controlled by motor 8.It indulges in the specific implementation
Parameter to the selection of belt pulley 15 is as follows: long 6.8m, wide 1.2m；Horizontal by 12 ° of angles.
Coarse granule collecting pit 4, which is used to collect, carries the coarse granule to come through longitudinal belt wheel 15, by armored concrete walled
At.Coarse granule collecting pit 4 is surrounded by reinforced concrete wall, and the width and height of reinforced concrete wall cannot be less than minimum coarse granule
The size requirement that collecting amount determines, and height is no more than the height of longitudinal belt wheel 15.Coarse granule is received in the specific implementation
The parameter for collecting the selection in pond 4 is as follows: the length and width of coarse granule collecting pit 4 is respectively 8.5m and 4.2m.Reinforced concrete wall
High 3.7m, wherein having 2m in underground, with a thickness of 164mm.
Device based on the above embodiment is applied to the construction method of discarded slurry recycling, including following step
It is rapid:
Step 1: measuring the initial volume water content α of discarded slurry in discarded slurry trolley:
Wherein, V indicates the volume of discarded slurry, that is, stores the volume of discarded slurry trolley；VwIndicate water in discarded slurry
Volume.In the present embodiment, V=10m3, 0.6≤Vw≤ 6.4,0.06≤α≤0.64.
Discarded slurry trolley is band there are two the open rectangle water tank of hanging ring, and two hanging rings make for gantry crane lifting
With.
Step 2: discarded slurry is poured into slurry filtering device 1, by adjusting 5 flow Q of the first water pipe1And gantry crane
Flexible steel wire lowering velocity vsIt adjusts the initial volume water content α of discarded slurry, makes the discarded slurry volume of aqueous after adjusting
It measures η and is not less than 0.15.
First water pipe, the 5 flow Q1Are as follows:
Q1=v1·s1
Wherein, v1It indicates flow rate of water flow in the first water pipe 5, can be controlled by valve；s1Indicate 5 cross-sectional sizes of the first water pipe.This
In embodiment, s1=0.04m2。
The gantry crane flexible steel wire lowering velocity vsAre as follows:
Wherein, the time required to t indicates to pour into the discarded slurry in device into slurry filtering device 1；L expression will be in device
Discarded slurry all pours into the length of flexible steel wire decentralization after slurry filtering device 1.In the present embodiment, l=1m, vs=0.25m/
s。
Discarded slurry volumetric(al) moisture content η after the adjusting are as follows:
The initial volume water content for adjusting discarded slurry, which refers to, encounters the following two kinds situation, needs to adjust v1And vs, make η >=
0.15。
As α < 0.15, the volumetric(al) moisture content α of discarded slurry is too small, controls the valve of the first water pipe 5 to increase water flow stream
Fast v1.
As α > 0.50, the volumetric(al) moisture content α of discarded slurry is too big, closes the valve of the first water pipe 5.
In the present embodiment, as 0.06≤α < 0.15, v1=6.62m/s；As 0.15≤α≤0.50, v1=2m/s；When
When α > 0.50, v1=0.
Step 3: redistribution mud volumetric(al) moisture content, the mud volumetric(al) moisture content β after making allotment is in 0.30~0.35
Between, it is specific:
As η < 0.30: the volume of water needed for unit volume mud is σ:
Wherein, VsIndicate the volume of mud before deploying；VgIndicate the volume of water.
As η > 0.35: bentonitic volume needed for unit volume mud is ω:
Wherein, VsIndicate the volume of mud before deploying；VpIndicate bentonitic volume.
In the present embodiment, initial mud volumetric(al) moisture content η meets 0.15≤η≤0.6, the mud volumetric(al) moisture content after allotment
β=0.32.
Step 4: filtered body refuse is transferred to lateral belt pulley 9 using longitudinal idler wheel 6, and adjust lateral belt pulley
9 travelling speed determines the volume M of the lateral transport of belt pulley 9 body refuse in the unit time.
Lateral belt pulley 9 transports the volume M of body refuse in the unit time are as follows:
M=kvp
Wherein, k indicates the cross-sectional area for the body refuse being located on belt 10；vpIndicate the travelling speed of lateral belt pulley 9.
In the present embodiment, k=0.1m2, vp=1m/s, M=0.1m3/s。
Step 5: being filtered using coarse granule filter screen 13 to body refuse, and by adjusting 16 flow Q of the second water pipe2With
The travelling speed v of lateral belt pulley 9pUnit volume body refuse water distribution quantity λ is adjusted, is made at the unit body refuse water distribution quantity λ after adjusting
Between 0.15~0.40.
Second water pipe, the 16 flow Q2Are as follows:
Q2=v2·s2
Wherein, v2It indicates flow rate of water flow in the second water pipe 16, can be controlled by valve；s2Indicate 16 cross-sectional sizes of the second water pipe.
In the present embodiment, s2=0.04m2。
The unit volume body refuse water distribution quantity λ are as follows:
In the present embodiment, v2=1m/s, λ=0.4.
Step 6: fine grained and coarse granule recycle.
The fine grained recycling, which refers to, is transferred to filtered fine grained from transition pond 12 by transverse-roller 14
Then fine grained is transferred to ground from fine particle collection pond 3 using backacter, through sunshine by fine particle collection pond 3
Fine grained after dry can carry out secondary use.
The coarse granule recycling refers to that filtered coarse granule, which is transported to coarse granule, by longitudinal belt wheel 15 receives
Collect in pond 4, coarse granule can carry out secondary use.
The screening plant that the present embodiment utilizes discarded slurry to recycle, may be implemented mud, fine grained, coarse granule etc.
Secondary use, while environmental pollution is reduced, it accelerates construction progress, lifting construction quality has important meaning to constructing metro tunnel
Justice and value.
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims,
This has no effect on the substantive content of the utility model.
Claims (10)
1. a kind of screening plant recycled suitable for discarded slurry, it is characterised in that: the equipment includes filtering slurry dress
It sets, slurry collecting pond, transmission device, longitudinal belt wheel, coarse granule filter screen, coarse granule collecting pit and transition pond；Wherein,
The slurry collecting pond is set to the lower section of the slurry filtering device, and the slurry filtering device is for separating waste sludge
Body refuse and mud in slurry, the mud sediment of separation is in the slurry collecting pond；
The input end of the transmission device is set to the side of the slurry filtering device, and outlet end is set to the coarse granule mistake
The top of strainer；The body refuse of separation is delivered to the coarse granule filter screen by the transmission device；
The coarse granule filter screen is set to the top in the transition pond, and the coarse granule filter screen is for separating in the body refuse
Coarse granule, fine grained, the body refuse of separation is divided into coarse granule and fine grained after the coarse granule filter screen filtration, described
Fine grained is precipitated in the transition pond after the coarse granule filter screen filtration；
The feed end of the longitudinal belt wheel is set to the bottom of the coarse granule filter screen, and discharge end is set to the coarse granule
The top of collecting pit, the coarse granule slide by sliding force to the feed end of the longitudinal belt wheel, pass through longitudinal skin
Belt wheel is sent to the coarse granule collecting pit.
2. a kind of screening plant recycled suitable for discarded slurry according to claim 1, which is characterized in that described
Transmission device includes longitudinal idler wheel, the first slide plate and lateral belt pulley, wherein
The longitudinal direction idler wheel is set to the side of the slurry filtering device, and the longitudinal direction idler wheel shifts the body refuse of separation
On to first slide plate；
First slide plate one end is set to longitudinal idler wheel side, and the top of the lateral belt pulley, institute is arranged in the other end
Body refuse is stated to be snapped down on the lateral belt pulley by first slide plate；
One end of the transverse direction belt pulley is set to longitudinal idler wheel side, and the other end is set to the coarse granule filter screen
Top；The body refuse is sent on the coarse granule filter screen by the lateral belt pulley.
3. a kind of screening plant recycled suitable for discarded slurry according to claim 2, which is characterized in that have
One or more of feature:
The slurry collecting pond is surrounded by reinforced concrete wall, and the width and height of the reinforced concrete wall cannot be less than most
The size requirement that small slurry collecting amount determines, and height is no more than the height of longitudinal idler wheel；
The coarse granule collecting pit is surrounded by reinforced concrete wall, and the width and height of the reinforced concrete wall cannot be less than
The size requirement that minimum coarse granule collecting amount determines, and height is no more than the height of the longitudinal belt wheel.
4. a kind of screening plant recycled suitable for discarded slurry according to claim 2, which is characterized in that have
One or more of feature:
The longitudinal direction idler wheel turns to the lateral pulley side by motor driven, by the slurry filtering device side；
The longitudinal direction idler wheel is hollow cylinder, and the hollow cylinder surface is equipped with multiple first grooves, first slot opening
It is tilted to longitudinal idler wheel direction of rotation；
The second filter screen, the aperture of second filter screen and the filtering slurry pool device is arranged in first bottom portion of groove
In filter screen it is identical, for carrying out secondary filter to the body refuse of separation.
5. a kind of screening plant recycled suitable for discarded slurry according to claim 2, which is characterized in that described
First slide plate is welded by three blocks of steel plates, and bottom surface surface of steel plate is smooth, is facilitated the body refuse and is smoothly slid, and two sides steel plate is used
In preventing the body refuse from falling in the slurry collecting pond.
6. a kind of screening plant recycled suitable for discarded slurry according to claim 1, which is characterized in that described
Equipment further includes transverse-roller, the second slide plate, fine particle collection pond, wherein the transverse-roller is set to the coarse granule mistake
Below strainer, one end of second slide plate is set to the transverse-roller side, and the other end is set to described thin obliquely
Above grain collecting pit, the fine grained of separation is transferred on second slide plate by the transverse-roller, then passes through described the
Two slide plates are snapped down in the fine particle collection pond.
7. a kind of screening plant recycled suitable for discarded slurry according to claim 6, which is characterized in that have
One or more of feature:
The transverse-roller can turn to the fine particle collection pond one by slurry collecting pond side by motor driven
Side；
The transverse-roller is hollow cylinder, and the transverse-roller surface is equipped with multiple second grooves, second slot opening
It is tilted to the transverse-roller direction of rotation；
Third filter screen, the aperture of the third filter screen and the coarse granule filter screen is arranged in the bottom of second groove
Aperture it is identical, for the fine grained carry out secondary filter；
The fine particle collection pond is surrounded by reinforced concrete wall, and the width and height of the reinforced concrete wall cannot be less than
The size requirement that minimum fine particle collection amount determines, and height is no more than the half of the transverse-roller height.
8. a kind of screening plant recycled suitable for discarded slurry according to claim 6, which is characterized in that described
Second slide plate is welded by three blocks of steel plates, wherein and the surface of steel plate of bottom surface is smooth, facilitates the fine grained and smoothly slides,
The steel plate of two sides is for preventing the fine grained from falling in the slurry collecting pond.
9. a kind of screening plant recycled suitable for discarded slurry according to claim 1 to 8, special
Sign is, the infundibulate device that the slurry filtering device is made of four blocks of isosceles trapezoid steel plates, the trapezoidal steel plate it is oblique
Side successively welds and forms a circle, inclined bottom surface the first filter screen of setting that bottom edge surrounds below the trapezoidal steel plate, and described first
The aperture of filter screen is determined according to the partial size of fine grained and mud, be can ensure that the mud and the body refuse efficiently separate, is made institute
It states mud and water energy and sinks down into the slurry collecting pond through first filter screen.
10. a kind of screening plant recycled suitable for discarded slurry according to claim 9, which is characterized in that
First filter screen is set as adjustable, so that the inclination angle of first filter screen is adjusted in a certain range, really
Protecting the body refuse can smoothly slide to the transmission device.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117665248A (en) * | 2023-10-17 | 2024-03-08 | 招商局重庆交通科研设计院有限公司 | Multifunctional testing system for mountain bridge geological chain-growth disasters and application method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117665248A (en) * | 2023-10-17 | 2024-03-08 | 招商局重庆交通科研设计院有限公司 | Multifunctional testing system for mountain bridge geological chain-growth disasters and application method thereof |
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