CN114602240B - High-efficient fine sand recovery unit of liquid is concentrated to sustainability tip - Google Patents
High-efficient fine sand recovery unit of liquid is concentrated to sustainability tip Download PDFInfo
- Publication number
- CN114602240B CN114602240B CN202210220761.2A CN202210220761A CN114602240B CN 114602240 B CN114602240 B CN 114602240B CN 202210220761 A CN202210220761 A CN 202210220761A CN 114602240 B CN114602240 B CN 114602240B
- Authority
- CN
- China
- Prior art keywords
- sand
- plate
- liquid
- liquid inlet
- area
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The application provides a high-efficiency fine sand recovery device with continuous end part concentrated liquid inlet, wherein a liquid inlet area and a sand filtering area are arranged in a box body in a separated mode along the length direction, and a liquid inlet is communicated with a plurality of drainage devices which are arranged in parallel and at intervals along the width direction of the box body; the lower side sets up the swash plate in the sand filtering area, and the line between the last middle part of swash plate and sand filtering area and the inlet is a angle setting, 60 < a <120, drainage device is hollow structure, including lower arc top surface and lower arc bottom surface, one end intercommunication inlet set up in the top of swash plate sets up a plurality of through-holes on the lower arc bottom surface, and guider is connected to the through-hole, and guider includes the guide post, and the cover sets up soft winding that absorbs water on the guide post, and the well upper portion in sand filtering area sets up a plurality of parallel arrangement's refracting plates, and the refracting plate personally submits 0 ~ 5 contained angle with the perpendicular of swash plate along box width direction. According to the multi-level flow distribution design, the liquid inlet energy and turbulence are reduced, an optimized filtering sedimentation path is designed, and the tailing filtering efficiency is improved.
Description
Technical Field
The application relates to the field of machine-made sand environment-friendly recovery equipment, in particular to a high-efficiency fine sand recovery device with continuous end part concentrated liquid inlet.
Background
The market has higher requirements on artificial sand (machine-made sand), and the sand grading is required to reach the two-zone sand standard in GB/T14684, wherein about 85% of the two-zone sand is medium-fine sand.
In the wet sand making process of machine-made sand, a water washing sand process and a wet screening process are commonly used, overflow liquid and dewatering swelling are overflowed from a sand washer and are subjected to wet screening and dewatering, the loss of medium and fine sand is serious, especially fine sand is lost by more than 20%, the phenomenon not only loses yield, but also seriously influences sand grading, the grading is unreasonable, the fineness modulus is coarse, and the product quality of the machine-made sand is greatly reduced. Excessive fine sand is lost and discharged, and environmental pollution is caused, so that ecological balance and development are not facilitated.
In order to solve the problem of fine sand loss in the wet sand making process production line, a common solution is to adopt a slurry pump, a cyclone, a high-frequency vibrating screen, a cleaning tank, a material returning box and the like to form the fine sand recycling process production line, but the recycling method of the process is dynamic sand selection of limited-yield equipment, and on the production line of one instant equipment, the bottleneck is difficult to break through in continuous dynamic circulation of liquid, so that the fine sand loss rate is further reduced. Along with the development of the production technology of the mineral processing equipment industry in society, the technology has the imperative effects of green, high-efficiency and energy-saving and green, environment-friendly and energy-saving, the improved fine sand recovery problem of economic investment, local investment and effective investment is carried out on a plurality of old production lines of the finished equipment, and the development of the single-body high-efficiency tailing recovery equipment capable of being embedded into the finished production lines effectively suppresses pollution behaviors and is urgent.
Disclosure of Invention
The application provides a high-efficiency fine sand recovery device with continuous end part concentrated liquid, and aims to flexibly embed an old production line of finished sand selecting equipment and improve the problem of fine sand recovery.
In order to achieve the above purpose, the application provides a high-efficiency fine sand recycling device with continuously concentrated liquid inlet at the end part, which comprises a box body,
the sand filtering device comprises a box body, a liquid inlet area and a sand filtering area are arranged in the box body in a separated mode along the length direction, an overflow port is arranged at the upper part of one end, away from the liquid inlet area, of the sand filtering area, a liquid inlet is arranged at the lower part between the liquid inlet area and the sand filtering area, and the liquid inlet is communicated with a plurality of drainage devices which are arranged at intervals in parallel along the width direction of the box body;
an inclined plate for carrying liquid is arranged below a liquid inlet in the sand filtering area, one end of the inclined plate is connected with a bottom plate of the box body, a connecting line between the inclined plate and the upper middle part of the sand filtering area and the liquid inlet is arranged at an angle a, the angle a is 60 degrees <120 degrees, and the position of the connecting line between the inclined plate and the bottom plate is not more than the projection position of half of the length direction of the sand filtering area on the bottom plate;
the drainage device is of a closed hollow structure and at least comprises a lower arc-shaped top surface and a lower arc-shaped bottom surface, one end of the hollow mechanism is communicated with the liquid inlet, and the drainage device is not longer than the inclined plate in the length direction and is arranged above the inclined plate and parallel to the inclined plate;
the lower arc-shaped bottom surface is provided with a plurality of through holes, the through holes are connected with a plurality of guiding devices for guiding the inclined plate, the guiding devices comprise guiding columns which are arranged in a plurality of directions, soft water-absorbing windings are arranged on the guiding columns in a covering mode, and at least the tail portions of the windings are contacted with the inclined plate;
the upper middle part of the sand filtering area is provided with a refraction sand filtering area, the refraction sand filtering area comprises a plurality of refraction plates which are arranged in parallel, the arrangement structure of the lower bottom surfaces of the refraction plates forms a first flush bottom surface and a second flush bottom surface, the first bottom surface is positioned above the drainage device and forms an included angle of 0-15 degrees with the inclined plate, the second bottom surface is positioned above the bottom plate, and the second bottom surface forms an included angle of 0-15 degrees with the bottom plate;
the refraction plate and the inclined plate are arranged along the vertical surface of the width direction of the box body at an included angle of 0-5 degrees, the upper top surface of the refraction plate is arranged in a orderly manner, and the upper top surface is positioned below the lowest point of the overflow port.
Preferably, a steady flow space is arranged between the upper part of the drainage device and the first bottom surface, a sand collecting space is arranged in the area of the upper part of the bottom plate at the tail part of the guide device and the inclined plate, the sand collecting space is communicated with a sand outlet at the bottom of the box body, the sand outlet is communicated with a slurry pump through a pipeline to carry out negative pressure traction to lead out sand, a natural sand filtering area is arranged between the upper part of the sand collecting space and the second bottom surface, and a advection transition area is arranged between the upper top surface of the refraction plate and the overflow port.
Preferably, the lower part of the outside end plate of the liquid inlet area is provided with a guide end plate which is arranged in an inward inclined manner, the bottom of the guide end plate is welded and fixed with the bottom plate of the box body, an opening which is consistent with the width direction of the box body is formed in the guide end plate, the outside of the opening is connected with a sinking groove in a sealing manner, a grid is arranged in the sinking groove, the guide end plate is divided into an upper guide end plate and a lower guide end plate by the sinking groove, the liquid inlet overflow type uniform distribution in the sinking groove enters the liquid inlet, a sand storage liner is arranged in the sinking groove, and lifting rings are arranged at the tops of two sides of the sand storage liner.
Preferably, the inner side of the upper flow guide end plate is provided with a zigzag slow flow step which is in a ' I ' -shaped or ' ︿ ' -shaped or ' shaped structure in the width direction.
Preferably, the winding is a fabric-like tassel.
Preferably, the guide posts are respectively guided and diffused towards the center and the circumference in a multi-layer manner by taking the through hole as the center, the angle between the guide posts and the axis of the through hole is 0-45 degrees, and the guide posts on the adjacent sides of the adjacent through holes are mutually crossed and connected.
Preferably, two rows of through holes are arranged along the length direction of the lower arc-shaped bottom surface, the two rows of through holes are arranged in a staggered mode, and the lower arc-shaped bottom surface between the two rows of through holes at least comprises the lowest part of the lower arc.
Preferably, the tail of the drainage device is closed, a downward convex sand settling tank is arranged at the tail of the drainage device, the sand settling tank is communicated with an inner cavity of the drainage device, a bottom sealing plate is arranged at the bottom of the sand settling tank, and one side of the bottom sealing plate along the front of water flow is connected with the tail sealing plate of the drainage device through a spring hinge.
Compared with the related art, the high-efficiency fine sand recovery device with continuous end part concentrated liquid inlet has the following beneficial effects:
the application sets up and concentrates the liquid area through the design of multi-layer cloth flow, carry on the slow flow, cloth flow function to the dynamic continuous liquid entering, reduce liquid entering energy and turbulent flow, and design the settlement route of optimized filtration, optimize the settlement environment of the filter sand in the range of limiting the filtering area, raise the filtration efficiency of the tailings.
The application can be connected in the continuous process links after the sand washing or wet screening of the continuous liquid feeding of the existing sand selecting production line in an embedded way, does not change other devices and processes in the links, can provide 90% recovery of medium and fine sand with less introduction cost, and has important value and significance from the aspects of environmental protection and economy.
Drawings
FIG. 1 is a top view of the present application;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a side cross-sectional view of a drainage device;
FIG. 4 is a schematic view showing the combined state of the drainage device in the sand filtering area;
FIG. 5 is a schematic view showing a liquid inlet portion of the drainage device in the width direction;
FIG. 6 is a partial schematic view of the through-hole structure of the lower baffle plate of the single drainage device;
FIG. 7 is a schematic view of the structure of the guide device;
FIG. 8 is a schematic structural view of a support rod of the tubular connector;
FIG. 9 is an enlarged view of a portion of section I of FIG. 3;
reference numerals in the drawings:
1. the device comprises a box body, 101, a bottom plate, 2, a liquid inlet area, 2011, an upper flow guide end plate, 2012, a lower flow guide end plate, 201, a flow guide end plate, 3, a sand filtering area, 4, an overflow port, 5, a sinking groove, 501, a grid, 6, a zigzag slow flow step, 7, a liquid inlet refraction plate, 8, a liquid inlet port, 9, a sand storage liner, 10, an inclined plate, 1001, a connecting line, 11, a drainage device, 1101, a lower arc top surface, 1102, a lower arc bottom surface, 1103, a through hole, 12, a liquid return space, 13, a guiding device, 1301, a water outlet pipe, 1302, a guiding column, 1303, a supporting rod, 1304, a fabric tassel, 1305, a tubular connecting piece, 14, a sand sink, 1401, a bottom sealing plate, 1402, a spring hinge, 15, a sand outlet, 16, a pipeline, 17, a slurry pump, 18, a refraction plate, 1801, a frame 1802, a first bottom surface, 1803 and a second bottom surface;
b. refractive sand filtering area, c, natural sand filtering area, d, advection transition area, e, sand collecting area, f, steady flow area;
indicating the flow direction of the water flow of the liquid inlet main body; "→" indicates the flow direction of the filter sand.
Detailed Description
The application will be further described with reference to the drawings and embodiments.
As shown in fig. 1 to 8, a high-efficiency fine sand recycling device comprises a box body 1, wherein a liquid inlet area 2 and a sand filtering area 3 are arranged in the box body 1, the liquid inlet area 2 is arranged at one end of the box body 1 along the length direction, and an overflow port 4 is arranged at the upper part of the other end of the sand filtering area 3. Referring specifically to fig. 2, a baffle plate 201 is disposed at the lower part of the outer end plate of the liquid inlet area 2 and is disposed obliquely inwards, and the bottom of the baffle plate 201 is welded and fixed with the bottom plate 101 of the tank 1. The baffle plate 201 is provided with an opening consistent with the width direction of the box body 1, the outside of the opening is connected with the sinking groove 5, the baffle plate 201 is divided into an upper baffle plate 2011 and a lower baffle plate 2012 by the sinking groove 5, the upper baffle plate 2011 is connected with the outer side plate of the sinking groove 5, and the lower baffle plate 2012 is connected with the inner side plate of the sinking groove 5. The inner side of the upper baffle 2011 is provided with a zigzag slow-flow step 6, the width direction is that the zigzag slow-flow step 6 is of a 'n' -shaped structure, and of course, the zigzag slow-flow step 6 can also be of a '︿' type or 'a' type structure in other embodiments, and the buffering and the diversion of the inlet liquid in the longitudinal direction and the width direction are carried out, so that the inlet liquid is more gentle and uniform, the disturbance of the inlet liquid is reduced, the turbulence of the inlet liquid is reduced, and the treatment efficiency, the effect and the treatment capacity per unit time are improved.
The liquid inlet refraction plate 7 is arranged between the liquid inlet area 2 and the sand filtering area 3, the liquid inlet refraction plate 7 is vertically arranged up and down, the lower part of the liquid inlet refraction plate 7 is connected with the inner side plate of the sinking groove 5, the lower part of the liquid inlet refraction plate 7 is provided with a liquid inlet 8 which is formed by the liquid inlet area 2 and enters the sand filtering area 3, and in other specific embodiments, the liquid inlet 8 can be also arranged on the inner side plate of the sinking groove 5. The grid 501 is arranged in the sinking tank 5, and the filter sand entering the lower part of the grid 501 is isolated and reserved in the sinking tank 5 to a certain extent, so that the sand is prevented from turning upwards, and the first sand filtration is carried out on the entering liquid. The grille is arranged below the liquid inlet 8. The sand storage inner container 9 is arranged in the sinking groove 5, lifting rings are arranged at the tops of two sides of the sand storage inner container 9, and when the sand storage inner container 9 is fully filled with precipitated sand, the sand storage inner container 9 can be lifted out and poured and then put into use.
The sealing inclined plate 10 is disposed between the lower diversion bottom plate 2012 and the bottom plate 101 and two side surfaces of the box body 1, and an angle a is formed by a connecting line between the upper middle part of the advection transition area of the inclined plate 10 and the sand filtering area 3 and the liquid inlet 8, in this embodiment, a=70°, and of course, in other specific embodiments, a may be set to 90 degrees, and the path is better. The position of the connecting line 1001 between the inclined plate 10 and the bottom plate 101 is not more than the projection position of half of the length direction of the sand filtering area 2 on the bottom plate 101. In other embodiments, one end of the inclined plate 10 may be connected to the inner side surface of the sinking groove 5 or the liquid-entering refraction plate 7.
Specifically, referring to fig. 2, 3, 4 and 5, 8 liquid inlets 8 which are transversely and uniformly arranged are formed in the liquid inlet refraction plate 7, each liquid inlet 8 is communicated with a drainage device 11, a liquid return space 12 is formed between every two adjacent drainage devices 11, each drainage device 11 comprises a lower arc-shaped top surface 1101, a lower arc-shaped bottom surface 1102 and side surfaces positioned on two sides, the lower arc-shaped top surface 1101, the lower arc-shaped bottom surface 1102 and the side surfaces enclose a hollow structure, and the hollow structure is communicated with the liquid inlets 8. The setting subsidence tank 5 carries out primary filtration to the income liquid sand on the one hand, on the other hand is in the income liquid behind inclined plane and multistage buffering water conservancy diversion, sets up darker stock solution in the liquid bottom that receives, plays energy absorption, buffering effect once more to the impact of income liquid, makes the income liquid of filtration zone 3 get into with the mode of overflow, and the multistage reduces the vertical potential energy of income liquid, makes the distribution of income liquid in drainage device more mild, even, sets up a plurality of income liquid mouths overflow formula water distribution more even to same horizontal plane simultaneously. As shown in fig. 2, the drainage device 11 is aligned with the length of the inclined plate 10 in the longitudinal direction, is disposed above the inclined plate 10, and is disposed parallel to the inclined plate 10. A liquid inlet space 13 is provided between the upper end surface of the sloping plate 10 and the lower arc-shaped bottom surface 1102 of the drainage device 11. The lower arc-shaped bottom surface 1102 is provided with a plurality of through holes 1103, liquid is fed and split to the inclined plate 10, and the impact force of the liquid is reduced by feeding the liquid from the bottom of the sand filtering area 3 in a multi-point split type uniform injection mode, so that the turbulence of the liquid is reduced, most areas of the sand filtering area 3 keep water flow calm, and the filtering effect and efficiency are improved. The liquid entering water flow of main part is through the refraction of swash plate 10 and upwards moves to the oblique side along the direction that is perpendicular to swash plate 10 through returning the liquid space, after to the stratosphere, horizontal inflow overflow mouth, swash plate 10 with the line between the advection transition district upper middle part of sand filtering district 3 and the liquid inlet 8 is the angle setting of a, a=70 in this embodiment, swash plate 10 with the connecting wire 1001 position of bottom plate 101 is no more than half of sand filtering district 3 length direction is in the projection position of bottom plate 101 reduces the refraction and the vortex of end plate to main part rivers direction of sand filtering district 3 overflow mouth 4 one end, ensures the stationarity of sand filtering district 3.
The lower arc top surface 1101 is used for collecting and guiding the settled sand transversely and longitudinally to a sand collecting and discharging area, collecting the filtered fine sand timely, forming an agglomeration effect, reducing the secondary lifting and suspending, and improving the retention rate of the fine sand. The inclined plate 10 is arranged to enable the liquid flow direction of the high-efficiency fine sand recovery device to be shown in fig. 2, and the high-efficiency fine sand recovery device comprises a longer inclined filtering path and a horizontal flow path with a certain length, so that refraction and turbulence of an overflow port end plate of a filtering area are reduced, the water flow stability of the rear end of the filtering area is maintained, the path is optimized, disturbance to settled sand in a box body is reduced, and the fine sand retention rate is high.
As shown in fig. 2, 3, 6, 7 and 8, the through holes 1103 are communicated with a plurality of guiding devices 13 for guiding the inclined plate 10, specifically, the through holes 1103 are welded downwards to form a water outlet pipe 1301, the water outlet pipe 1301 is connected with a pipe plug by threads, a plurality of guiding columns 1302 are arranged on the circumference and in the pipe of the pipe-shaped connecting piece 1305, supporting rods 1303 are arranged in the pipe, the supporting rods 1303 are arranged in a crisscross or unidirectional manner, and the guiding columns 1302 are arranged on the supporting rods 1303 in a crossing node or in a unidirectional manner. The guide post 1302 takes the through hole 1103 as the center to guide and diffuse towards the center and circumference in a multi-layer way, the angle between the guide post 1302 and the axis of the through hole is 0-45 degrees, the guide post 1302 is of a structure with certain supporting strength such as steel wires or steel plates, the textile tassel 1304 is arranged along the hierarchical circumference from one end of the guide post to the other end of the guide post, the hierarchical arrangement length of the textile tassel 1304 is longer than the length of the guide post 1302 and contacts the inclined plate 10, the tail end of the guide post 1302 and the inclined plate 10 are in non-contact, a soft circulation space is reserved, installation errors are contained, hard contact and collision are avoided, meanwhile, the degree of freedom of further releasing water flow at the guide end is increased, dispersion diversity when the inclined plate 10 is reached is increased, the water flow is further subdivided, impact energy of the water flow of the block is broken down, soft landing of the entering liquid is realized, and the turbulent flow of entering liquid is reduced. The guide posts 1302 are used for carrying out directional flow guiding and water distribution on the liquid discharged from the through holes 1103, and when the guide posts 1302 are matched with the tassel for flexible flow guiding, the large-angle flow guiding angle of the guide posts 1302 is considered as much as possible, so that the flow of each through hole 1103 is distributed at a large angle and in a wide range as much as possible when the flow is guided to the inclined plate 10, the impact energy of the liquid is counteracted to the greatest extent, the soft liquid is enabled to be fed, the turbulence of the liquid is reduced, meanwhile, the diameter and the flow of the through holes can be increased, the treatment efficiency is improved, the blocking rate is reduced, the particle size tolerance of the sand contained in the liquid is increased, the sand filtering treatment range is increased, and the applicability is wider. The hierarchical circumference sets up fabric class fringe 1304, and every layer is covered on locating the lower floor's umbrella like little umbrella, and fabric class fringe 1304 is porous class soft structure, and soft structure can the maximum follow peristaltic and swing to the water conservancy diversion liquid, and each piece of tissue of soft structure's fringe can all become the carrier of every rivers that contact in certain degree of freedom within range to certain degree realizes certain degree of freedom along with the loaded rivers respectively, reduces strong counter-bending force, and the energy of each loaded rivers of maximum uninstallation, and then passes through hierarchical transmission, more will can step by step, until the release that each rivers are gentle to the swash plate. The fabric structure is porous, has strong water absorption, has strong adsorption and filtration functions on fine sand in water flow, has smooth surface of the filtration sand, and has strong desorption capability under the scouring of continuous water flow, so that the problem of continuous blocking of fabric gaps cannot be generated, the filtration sand is circularly advanced in the process of falling into liquid along with water flow, the carrying of upward water flow on the filtration sand is greatly reduced, and particularly the filtration rate is remarkably improved when the filtration sand is trapped and filtered by critical suspended sand.
The guide posts 1302 on adjacent sides of the through holes 1103 can be mutually crossed and connected, so that water distribution dead zones are reduced, water distribution areas on the inclined plate 10 are fully utilized, water distribution is maximally dispersed, water injection turbulence is reduced to the greatest extent, and sand filtration rate is improved.
In other specific embodiments, the plurality of through holes 1103 are disposed along the length direction of the lower arc bottom surface 1102, the distribution of the specific through holes 1103 on the lower arc bottom surface 1102 is as shown in fig. 6, the through holes 1103 on two sides are staggered, and a drainage channel is formed in the middle of the lower arc bottom surface 1102. The tail of the drainage device is in a closed arrangement, a downward protruding sand settling tank 14 is arranged at the tail of the drainage device, as shown in fig. 2, 3 and 9, the sand settling tank 14 is communicated with the inner cavity of the drainage device 11, a bottom sealing plate 1401 is arranged at the bottom of the sand settling tank 14, and one side of the bottom sealing plate 1401 along the front of water flow is connected to the tail sealing plate of the drainage device 11 through a spring hinge 1402. The lower arc-shaped bottom surface 1102 of the inner cavity of the drainage device 11 carries out transverse and longitudinal aggregation and flow guiding on suspended sand in the liquid entering the drainage device 11, so that part of fine sand enters the sand settling tank 14 at the bottom, meanwhile, part of slightly large granular sand which fails to pass through the through holes 1103 is collected and guided in advance and enters the sand settling tank 14, the size standard of large granular sand is reduced, and the liquid separating concentration of the through holes is reduced. When the sand bearing amount of the sand sediment tank 14 is large, the spring hinge 1402 is turned over by the bottom sealing plate 1401 to open the bottom of the sand sediment tank 14, so that the filtered sand in the sand sediment tank 14 is unloaded and enters the sand collecting area under the continuous flushing of water flow. The unloaded bottom closure plate 1401 is re-closed by the spring hinges 1402, closing the sand trap 14.
Referring to fig. 2, the sand filtering area 3 in the box body 1 is further provided with a steady flow area f, a refractive sand filtering area b, a natural sand filtering area c, a advection transition area d and a sand collecting area e. The steady flow area f is an area above the drainage device 11, drainage inlet liquid of the drainage device 11 is drained to the inclined plate 10 through the through hole 1103 and the guide device 13, the inlet liquid flexibly lands from the bottom of the sand filtering area 3 through the guide device 13, disturbance to pool water is reduced, newly injected water flows to an area perpendicular to the direction of the inclined plate 10 under the reaction force of the inclined plate 10 to form water flow adjustment above the drainage device 11, and the newly injected water flow area is also an area for stabilizing water flow. In this area, the concentration of the suspended sand is always in a higher state, a natural filtering barrier is formed, the agglomeration and natural filtering effect are formed on the newly-surging sand to be filtered, and particularly, the fine sand in the suspension critical state has the effect of a natural flocculating agent, so that the retention rate is greatly improved. The part of the settled filter sand falls into the lower arc-shaped top surface 1101 of the drainage device 11, the lower arc-shaped top surface 1101 has the functions of converging and conveying to the bottom from two sides to the middle, and the settled filter sand can be timely converged to a sand collecting area e for discharging, so that the sand yield is improved.
At the tail parts of the guide device 13 and the inclined plate 10, a sand collecting area e is arranged in the upper part of the bottom plate 101, the sand collecting area e is communicated with a sand outlet 15, and the sand outlet 15 is communicated with a slurry pump 17 through a pipeline 16 to carry out negative pressure traction to lead out sand.
The area above the sand collecting area e comprises a natural sand filtering area c, wherein the position of the natural sand filtering area c is deeper relative to the overflow port 4 and farther relative to the liquid inlet 8, and the sand level of the natural sand filtering area c enters a calm natural sedimentation process. A plurality of refraction plates 18 are arranged in parallel in the box body 1 above the natural settling zone c and the steady flow zone f. The refraction plate 18 is installed in the frame 1801, the frame 1801 is installed on the box 1 of the sand filtering area 3, the arrangement structure of the lower bottom surface of the refraction plate 18 is divided into a first bottom surface 1802 and a second bottom surface 1803, the first bottom surface 1802 is located above the flow stabilizing area f, the first bottom surface 1802 is obliquely arranged, the inclination is basically consistent with the inclination of the inclined plate 10, the included angle is 0-15 degrees, so that the entering liquid passes through the flow stabilizing area f fully and uniformly, when passing through the refraction plate 18, water flow basically enters into a directional running path consistent with the inclination direction of the refraction plate 18, the impact energy of the water flow on the refraction plate 18 is reduced, the water flow stability is improved, suspended sand in the water flow is diverged with the running path of the water flow under the action of gravity, and attached sedimentation is generated when the suspended sand touches the refraction plate 18, further an agglomeration effect is generated, and the sand filtering effect of the sedimentation of the refraction plate 18 is improved. The second bottom surface 1803 is located above the natural sand filtering area c, and the second bottom surface 1803 is parallel to the bottom plate 101 or forms an included angle of 0-15 °. The inclined direction of the refraction plate 18 is consistent with the inclined direction of the vertical plane of the inclined plate 10 along the width direction of the box body 1, or the inclined plate is arranged at an included angle of 0-5 degrees. The upper top surface of the refraction plate 18 is arranged in a level and level way, the upper top surface is positioned below the lowest point of the overflow 4, and a advection transition zone d is formed between the upper top surface of the refraction plate 18 and the lowest point of the overflow 4. After the liquid entering through the liquid inlet 8 is buffered and distributed by the drainage device 11, most of liquid entering impact is reduced, and most of liquid entering turbulence is reduced. After the liquid enters the inclined plate 10, the liquid reversely continues to ascend in a direction perpendicular to the inclined plate 10 in an inclined upward direction, after the natural barrier filtering and steady flow effect of the steady flow area c, the water flow carries the non-trapped suspended sand into the refraction plate area, and the non-trapped suspended sand diverges with the water flow direction under the action of dead weight and the interception effect of the refraction plate 18 in the inclined upward process, so that reprecipitation and interception are formed on the refraction plate 18. The inclination direction of the refraction plate 18 is consistent with the inclination direction of the vertical plane of the inclined plate 10 along the width direction of the box body 1, or the inclined plate is arranged at an included angle of 0-5 degrees, the direction of water flow is basically consistent with the direction of the refraction plate 18, turbulence is less generated, the water flow is stable, and the sedimentation of fine sand is more facilitated.
The application is suitable for the secondary fine sand recovery link of sand washing water after sand washing or direct dehydration from screening equipment or overflow water from a sand washer in the water sand washing process. The high-efficiency fine sand recovery device can be miniaturized and low-cost, is used in a continuous process link of continuous liquid-feeding sand washing or wet screening, does not change other devices and processes in the link, can provide 90% of medium and fine sand recovery with less introduction cost, and has important value and significance from the aspects of environmental protection and economy.
The foregoing description is only illustrative of the present application and is not intended to limit the scope of the application, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present application.
Claims (8)
1. High-efficient fine sand recovery unit of liquid is concentrated into to persistence tip, its characterized in that: comprises a box body and a plurality of grooves,
the sand filtering device comprises a box body, a liquid inlet area and a sand filtering area are arranged in the box body in a separated mode along the length direction, an overflow port is arranged at the upper part of one end, away from the liquid inlet area, of the sand filtering area, a liquid inlet is arranged at the lower part between the liquid inlet area and the sand filtering area, and the liquid inlet is communicated with a plurality of drainage devices which are arranged at intervals in parallel along the width direction of the box body;
an inclined plate for carrying liquid is arranged below a liquid inlet in the sand filtering area, one end of the inclined plate is connected with a bottom plate of the box body, a connecting line between the inclined plate and the upper middle part of the sand filtering area and the liquid inlet is arranged at an angle a, the angle a is 60 degrees <120 degrees, and the position of the connecting line between the inclined plate and the bottom plate is not more than the projection position of half of the length direction of the sand filtering area on the bottom plate;
the drainage device is of a closed hollow structure and at least comprises a lower arc-shaped top surface and a lower arc-shaped bottom surface, one end of the hollow structure is communicated with the liquid inlet, and the drainage device is not longer than the inclined plate in the length direction and is arranged above the inclined plate and parallel to the inclined plate;
the lower arc-shaped bottom surface is provided with a plurality of through holes, the through holes are connected with a plurality of guiding devices for guiding the inclined plate, the guiding devices comprise guiding columns which are arranged in a plurality of directions, soft water-absorbing windings are arranged on the guiding columns in a covering mode, and at least the tail portions of the windings are contacted with the inclined plate;
the upper middle part of the sand filtering area is provided with a refraction sand filtering area, the refraction sand filtering area comprises a plurality of refraction plates which are arranged in parallel, the arrangement structure of the lower bottom surfaces of the refraction plates forms a first flush bottom surface and a second flush bottom surface, the first bottom surface is positioned above the drainage device and forms an included angle of 0-15 degrees with the inclined plate, the second bottom surface is positioned above the bottom plate, and the second bottom surface forms an included angle of 0-15 degrees with the bottom plate;
the refraction plate and the inclined plate are arranged along the vertical surface of the width direction of the box body at an included angle of 0-5 degrees, the upper top surface of the refraction plate is arranged in a orderly manner, and the upper top surface is positioned below the lowest point of the overflow port.
2. The high efficiency fine sand recovery device with continuous end concentrated liquid according to claim 1, wherein: a steady flow space is arranged between the upper part of the drainage device and the first bottom surface, a sand collecting space is arranged in the area of the upper part of the bottom plate at the tail part of the guide device and the inclined plate, the sand collecting space is communicated with a sand outlet at the bottom of the box body, the sand outlet is communicated with the slurry pump through a pipeline to carry out negative pressure traction to lead out sand, a natural sand filtering area is arranged between the upper part of the sand collecting space and the second bottom surface, and a advection transition area is arranged between the upper top surface of the refraction plate and the overflow port.
3. The high efficiency fine sand recovery device with continuous end concentrated liquid according to claim 1, wherein: the lower part of the outside end plate of income liquid district sets up the guide end plate that inwards inclines to set up, the bottom of guide end plate and the bottom plate welded fastening of box, set up the opening unanimous with box width direction on the guide end plate, the outside sealing connection subsidence groove of opening, set up the grid in the subsidence groove, the overflow formula equipartition of income liquid of subsidence inslot gets into go into the liquid mouth, set up the sand storage inner bag in the subsidence groove, the both sides top of sand storage inner bag sets up the lifting ring.
4. A continuous end-on liquid-filled high efficiency fine sand recovery device as set forth in claim 3 wherein: the inner side of the flow guide end plate at the upper part of the sinking groove is provided with a zigzag slow-flow ladder in the width direction, and the zigzag slow-flow ladder is in a 'I' -shaped or '︿' -shaped or 'I' -shaped structure.
5. The high efficiency fine sand recovery device with continuous end concentrated liquid according to claim 1, wherein: the winding is a textile tassel.
6. The high efficiency fine sand recovery device with continuous end concentrated liquid according to claim 1, wherein: the guide posts are respectively used for guiding and diffusing in a multilayer way from the through hole to the center and the circumference, the angle between the guide posts and the axis of the through hole is 0-45 degrees, and the adjacent sides of the adjacent through holes are mutually crossed and connected.
7. The high efficiency fine sand recovery device with continuous end concentrated liquid according to claim 1, wherein: two rows of through holes are arranged along the length direction of the lower arc-shaped bottom surface, the two rows of through holes are arranged in a staggered mode, and the lower arc-shaped bottom surface between the two rows of through holes at least comprises a lower arc-shaped lowest position.
8. The high efficiency fine sand recovery device with continuous end concentrated liquid according to claim 1, wherein: the tail of the drainage device is closed, a downward protruding sand settling tank is arranged at the tail of the drainage device, the sand settling tank is communicated with an inner cavity of the drainage device, a bottom sealing plate is arranged at the bottom of the sand settling tank, and one side of the bottom sealing plate along the front of water flow is connected with the tail sealing plate of the drainage device through a spring hinge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210220761.2A CN114602240B (en) | 2022-03-08 | 2022-03-08 | High-efficient fine sand recovery unit of liquid is concentrated to sustainability tip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210220761.2A CN114602240B (en) | 2022-03-08 | 2022-03-08 | High-efficient fine sand recovery unit of liquid is concentrated to sustainability tip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114602240A CN114602240A (en) | 2022-06-10 |
| CN114602240B true CN114602240B (en) | 2023-09-26 |
Family
ID=81861806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210220761.2A Active CN114602240B (en) | 2022-03-08 | 2022-03-08 | High-efficient fine sand recovery unit of liquid is concentrated to sustainability tip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114602240B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1124064A (en) * | 1964-09-07 | 1968-08-21 | Stork Koninklijke Maschf | Sedimentation apparatus |
| JP2002066207A (en) * | 2000-09-04 | 2002-03-05 | Japan Organo Co Ltd | Device for injecting chemical liquid |
| FR2875146A1 (en) * | 2004-09-15 | 2006-03-17 | Degremont Sa | EFFLUENT TREATMENT PLANT, AND CLARIFICATION AND FILTRATION METHOD USING THE SAME |
| KR100990196B1 (en) * | 2010-05-06 | 2010-10-29 | 주식회사두합크린텍 | Hybrid filter for treatment of drinking water and wastewater with easy sludge washing system |
| CN209564650U (en) * | 2018-11-27 | 2019-11-01 | 西安建筑科技大学 | A kind of high efficiency vertical sedimentation tank suitable for fine granule |
| CN210736488U (en) * | 2019-10-12 | 2020-06-12 | 吉林省水利水电勘测设计研究院 | River sewage ecological management device |
| CN111437636A (en) * | 2020-04-09 | 2020-07-24 | 杭州鼎辉环保科技有限公司 | SS multilayer mixed flow precipitation device and precipitation method thereof |
| CN112403040A (en) * | 2020-11-13 | 2021-02-26 | 李济平 | Sewage treatment is with deposiing device |
| CN214611844U (en) * | 2021-03-03 | 2021-11-05 | 无锡市亿悦新科技有限公司 | Inclined plate sedimentation tank for sewage purification |
| CN113713441A (en) * | 2021-09-28 | 2021-11-30 | 无锡海拓环保装备科技有限公司 | Precipitator for coal washing wastewater treatment |
-
2022
- 2022-03-08 CN CN202210220761.2A patent/CN114602240B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1124064A (en) * | 1964-09-07 | 1968-08-21 | Stork Koninklijke Maschf | Sedimentation apparatus |
| JP2002066207A (en) * | 2000-09-04 | 2002-03-05 | Japan Organo Co Ltd | Device for injecting chemical liquid |
| FR2875146A1 (en) * | 2004-09-15 | 2006-03-17 | Degremont Sa | EFFLUENT TREATMENT PLANT, AND CLARIFICATION AND FILTRATION METHOD USING THE SAME |
| KR100990196B1 (en) * | 2010-05-06 | 2010-10-29 | 주식회사두합크린텍 | Hybrid filter for treatment of drinking water and wastewater with easy sludge washing system |
| CN209564650U (en) * | 2018-11-27 | 2019-11-01 | 西安建筑科技大学 | A kind of high efficiency vertical sedimentation tank suitable for fine granule |
| CN210736488U (en) * | 2019-10-12 | 2020-06-12 | 吉林省水利水电勘测设计研究院 | River sewage ecological management device |
| CN111437636A (en) * | 2020-04-09 | 2020-07-24 | 杭州鼎辉环保科技有限公司 | SS multilayer mixed flow precipitation device and precipitation method thereof |
| CN112403040A (en) * | 2020-11-13 | 2021-02-26 | 李济平 | Sewage treatment is with deposiing device |
| CN214611844U (en) * | 2021-03-03 | 2021-11-05 | 无锡市亿悦新科技有限公司 | Inclined plate sedimentation tank for sewage purification |
| CN113713441A (en) * | 2021-09-28 | 2021-11-30 | 无锡海拓环保装备科技有限公司 | Precipitator for coal washing wastewater treatment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114602240A (en) | 2022-06-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101187206A (en) | Hydropowerstation water inlet sand-discharging facility | |
| CN205850319U (en) | Novel inclined tube vertical sedimentation tank | |
| CN203030052U (en) | Material distribution device of central transmission thickener | |
| CN210645245U (en) | Flushable sand settling system | |
| CN110478978B (en) | Circular gravity sand-settling filter tank capable of automatically discharging sand | |
| CN207024717U (en) | A kind of sedimentation basin that can fully precipitate | |
| CN215462264U (en) | Full-automatic gravity type tunnel waste water treatment strainer | |
| CN114602240B (en) | High-efficient fine sand recovery unit of liquid is concentrated to sustainability tip | |
| CN217888279U (en) | Oblique narrow flow short-distance efficient grading equipment and mineral separation device | |
| CN211143003U (en) | Water conservancy blocks sand water intaking gate | |
| CN109057859B (en) | Mould bag type concentration filling device and method for mine end | |
| CN207973932U (en) | A kind of paper pulp sand-removing system | |
| CN205073730U (en) | Flat type concentrator | |
| CN202410358U (en) | Upstream tailings pond return water treatment device | |
| CN205954807U (en) | Abandon a class device among rainwater collection system | |
| CN107961569A (en) | Subregion sedimentation and thickening machine | |
| CN207187208U (en) | A kind of mixing perforation water distribution tracery wall of water intake pumping station preliminary sedimentation aeration tank | |
| CN209493922U (en) | A kind of hydraulic engineering ecological supporting structure | |
| CN1023688C (en) | Heavy medium separator exhausting waste rock from bottom | |
| CN205323967U (en) | System is selected separately to low order thermal coal | |
| CN206063869U (en) | A kind of tail coal water concentrating and separating device | |
| CN218712565U (en) | Ore drawing device for improving dry spreading deposition gradient | |
| CN206244442U (en) | A kind of floated river blowdown grid | |
| CN205773623U (en) | A kind of vertical porous plate anaerobic reactor | |
| CN104556353B (en) | Underground integrated sewage treating equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |