CN103768847A - Fast dehydration device and method for high-water-content slurry - Google Patents
Fast dehydration device and method for high-water-content slurry Download PDFInfo
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- CN103768847A CN103768847A CN201410032542.7A CN201410032542A CN103768847A CN 103768847 A CN103768847 A CN 103768847A CN 201410032542 A CN201410032542 A CN 201410032542A CN 103768847 A CN103768847 A CN 103768847A
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Abstract
The invention provides a fast dehydration device and method for high-water-content slurry. In the device, an ultrasonic generator is arranged on the side wall of a container, the container is arranged on a bracket, a filter net is arranged in the middle of the inner wall of the container, a water inlet pipe is arranged at the lower part of the side wall of the container and positioned below the filter net, an outlet pipe is arranged at the upper part of the side wall of the container and positioned above the filter net, a mud pump is arranged at the bottom of the container by a dip angle, one end of the mud pump is communicated with the bottom of the container, a motor is arranged at the other end of the mud pump, a control box is arranged on the bracket and below the container, a cable is used for connecting the control box with the motor, and a mud outlet is formed in one end, close to the motor, of the mud pump. According to the method, the fast dehydration of the high-water-content slurry can be realized through the device. By applying the device and method, the discharged water body is clean, the amount of the lost mud is low, mud can be continuously discharged, the discharge efficiency can be increased, and the device and method can be widely used for drainage of reclamation districts, and dehydration treatment of high-water-content slurry in dredging and desilting engineering.
Description
Technical field
The present invention relates to hydraulic engineering and water environment protection field of engineering technology, particularly, relate to a kind of quick-dehydration device and method of high aqueous slurry.
Background technology
Land reclamation is an important channel that solves China's shortage of land resource.Future Ten year, China will utilize barged-in fill to carry out Tidal Flat Reclamation more on a large scale.In dredging and reclamation construction, early stage, moisture content was very high, and the moisture content that how to reduce barged-in fill is a key job of hydraulic reclamation district ground processing.The moisture content height of the soil body determines the size of hydraulic reclamation district foundation bearing capacity.The main method that adopts vacuum preloading quick-discharging consolidation is carried out draining processing for hydraulic fill foundation at present.The energy loss of the method is larger, and the duration is longer, and influence factor is more.Therefore, need to develop a kind of fast dewatering method of high aqueous slurry, to reach the multi-efficiency of economical and efficient, practical environmental protection.
Through prior art document and patent retrieval are found, existing slurry dewatering is mainly divided into furnace drying method, mechanical separation method, flocculant and curing materials adding method and both combinations afterwards.
Through retrieval, China Patent No.: 90101817.1, open (bulletin) number: CN1045962, title: device for dehydration of sewage sludge, the technology of this disclosure of the invention is: sewage sludge is positioned in dewatering station, sewage sludge is heated therein, moisture content in sewage sludge changes into water vapour, causes sewage sludge gasification simultaneously, and water vapour and waste gas are sucked out to be delivered in condenser, the water vapour formation hot water that is condensed therein, waste gas is delivered in burner and is burnt from sucking-off in condenser.Undoubtedly, furnace drying method is too high to the dehydration cost of high aqueous slurry.
China Patent No.: 200610060194.X, open (bulletin) number: CN1837109, title: a kind of press type sludge dehydration equipment, the technology of this disclosure of the invention is: a kind of press type sludge dehydration equipment, comprise the filter chamber of sidewall with charging aperture and discharge outlet, described charging aperture and sludge delivery pump join; Front is enclosed with the filter plate of filter cloth, is provided with the filtrate discharge passage communicating with discharge outlet on filter plate, and described filter chamber is tubular filter chamber, and the front end of filter chamber seals by baffle plate by thrust cover plate for sealing, the rear end that can open; Filter plate is placed among filter chamber and with thrust cover plate and establishes in opposite directions, and the periphery of filter plate is close to filter chamber barrel; The back side of filter plate is also connected with piston, crosses baffle plate and relies on the first power set to realize axial reciprocating with the affixed connecting rod of piston and move; Discharge outlet is between baffle plate and filter plate; Charging aperture is between thrust cover plate and filter plate; Adopt after this invention, first preliminary sludge utilizes the pressure of delivery pump to carry out preliminary press filtration, then the mud after to preliminary press filtration imposes higher pressure and squeezes by piston.The main weak point of this technology is: 1) by reason of heavy pressure, the filter plate moving back and forth is easily damaged; 2) strainer filtering efficiency is low, is easily stopped up by filter mud; 3) disposal ability is limited.
China Patent No.: CN01812300.7, patent name is: the equipment of high speed dewatering of slurries and method, this disclosure of the invention a kind of system and method for continuous slurry flows being dewatered under high flow rate, be specially: slurry flows is carried out to continuous, continual measurement of rate of flow and mud density is measured, measurement result is for controlling the speed of adding a kind of flocculant to mud, flocculation mud is transported in a kind of dehydration equipment, by a diffuser, it is transported to uniformly and is followed the tracks of in filter screen so that by solid matter filtering from filtrate; Can also measure the density of mud in filtrate for use in the interpolation of controlling flocculant; Adjust and follow the tracks of filter screen to position, angle of repose, this position is suitable for leaching the composition of filter mud cake; Diffuser has a pedestal, and its horizontal cross-section aspect ratio is about 1: 1 to 4: 1, vertically changes continuously top into, and its horizontal cross-section aspect ratio is about 40: 1 to 100: 1; Upper level area of section is about 1: 1 to 3: 1 with the ratio of base level area of section.Its main weak point is: 1) mud conditioning ability is low, is not suitable for the processing of the engineering barged-in fill of reclaiming fields from the sea.2) strainer filtering efficiency is low, is easily stopped up by filter mud.3) need to add flocculant, cost is high.
China Patent No.: 200680052627.5, open (bulletin) number: CN101384326, patent name: vibratory separator, the technology of this disclosure of the invention is: the device of separating solids from drilling fluid, this device comprises: have the basket of two opposed sidewalls that separate, this sidewall has first end and the second end, and first end is separated by the end wall being connected on each sidewall, basket also comprises diapire, limits fluid issuing passage via this diapire; Multiple compass screen surfaces, compass screen surface has leading edge and back edge, and in basket, is positioned between sidewall, and simultaneously each compass screen surface and adjacent compass screen surface vertically separate, and the end wall of back edge and basket separates, and wherein the back edge of each compass screen surface is lower than the leading edge of corresponding compass screen surface; Multiple weirs, each weir keeps and separates with end wall along the back edge of corresponding compass screen surface, to limit fluid passage between each weir and end wall, wherein each weir has top, this top extends to the height on weir above the back edge of corresponding compass screen surface, and top is lower than the leading edge of corresponding compass screen surface; At least one flow guiding apparatus, this flow guiding apparatus is held back unsegregated drilling fluid in fluid passage, and unsegregated drilling fluid is guided on lower screen cloth, and wherein the fluid in the fluid passage between nethermost screen cloth and end wall is drawn towards the outlet of overflowing fluid.Its weak point is mainly not to be suitable for the processed of high-moisture percentage mud, and meanwhile, this mechanical oscillation not only screen cloth are are easily worn and torn, and energy loss is larger.
In addition Chinese utility model patent number: CN201220139186.5, patent name: a kind of mud dewatering appts.The mud dewatering appts that this utility model discloses, dispensing canister is connected with medicine mixer, medicine mixer is connected with oscillatory type separator, two vibratory sieves up and down side by side and inclination plug-in mounting to housing and with inner walls, lean on mutually, two vibratory sieves are flexibly connected with housing, in inner walls, be provided with two slag notches with the least significant end opposite position place of two vibratory sieves, two slag notch places are provided with two hermatic doors, one end of overflow pipe is fixed on the upper end in housing, vibrating motor is arranged on the upper end of housing, vibrating motor is connected with controller by wire, two springs are fixed between the lower surface of housing and the upper surface of sposh bucket, the outlet of housing communicates with sposh bucket, sposh bucket is connected with screw press filter, screw press filter is fixed by support, screw press filter is provided with discharging opening.This utility model is for slurry dewatering processing.Its weak point is mainly: the processed that 1) is not suitable for high-moisture percentage mud, 2) need to add flocculant, cost is high, 3) slag notch easily stops up, otherwise the moisture content of mud extraction is high, 4) when vibrating motor is worked, bring out whole vibration equipment, the life-span of not only reducing equipment, and also energy consumption is high.
Summary of the invention
For defect of the prior art, the object of this invention is to provide a kind of quick-dehydration device and method of high aqueous slurry, these apparatus and method are by being used supersonic generator to significantly improve the permeability rate of screen pack, improve capacity usage ratio, and avoided the wear-out failure of vibration to filter screen and equipment; Make to be used as the slush pump of centrifugal motion, not only avoid silt to stop up outlet, and mud extraction continuously, increase discharging efficiency, thereby reached the multi-efficiency of economical and practical and high-efficiency environment friendly.
According to an aspect of the present invention, a kind of quick-dehydration device of high aqueous slurry is provided, described dewater unit comprises: supersonic generator, container, screen pack, water inlet pipe, outlet, support, slush pump, motor, control cabinet, cable and mud mouth, wherein: supersonic generator is arranged on the sidewall of container, container is arranged on support, screen pack is arranged on the middle part of container inner wall, water inlet pipe is arranged on the lower sidewall of container and below screen pack, outlet is arranged on the side wall upper part of container and on screen pack, slush pump becomes an inclination angle to be arranged on the bottom of container and one end of slush pump communicates with the bottom of container, motor is arranged on the other end of slush pump, control cabinet is arranged on support and below container, cable is used for connecting control cabinet and motor, mud mouth is arranged on slush pump one end near motor.
Preferably, described supersonic generator is that civil power is converted to the high-frequency ac signal of telecommunication matching with ultrasonic transducer, drives ultrasonic transducer work, for bringing out muddy water vibration, prevents that screen pack from being stopped up by silt, improves the permeability rate of screen pack.
Preferably, described container is the closed cavity being made into by high-strength material.
Preferably, described screen pack is to have the nethike embrane that anticorrosion, wear-resisting high-strength material are made.
Preferably, described water inlet pipe is with the valvular passage to inputting muddy water in container.
Preferably, described outlet is the passage of discharging with muddy water in valvular container.
Preferably, described support is the fixed frame that metal or high strength nonmetallic materials are made, as the support of whole device.
Preferably, described slush pump is the parts that do centrifugal motion, for the silt of container bottom is extracted out.
Preferably, described motor is to realize according to the law of electromagnetic induction a kind of calutron transmitting, as the power source of slush pump.
Preferably, described control cabinet is to have the parts that open and close are connected with cable, for controlling the duty of motor.
Preferably, described cable is to provide the wire of electric power, for motor is connected to outside power supply by control cabinet.
Preferably, described mud mouth is the passage that silt discharges by slush pump.
According to another aspect of the present invention, provide a kind of fast dewatering method of high aqueous slurry, described dewatering concrete steps comprise:
(1) open the valve of water inlet pipe, in container, inject muddy water;
(2) open supersonic generator, make screen pack produce vibration, strengthen the water penetration of screen pack;
(3) open the valve of outlet, discharge screen pack upper water;
(4) after the mud reserves after the bottom dehydration of the inherent screen pack of container acquire a certain degree, open motor by control cabinet, running slush pump, discharges the rear silt of dehydration by mud mouth.
Compared with prior art, the present invention has following beneficial effect:
The present invention does not use flocculant, by using supersonic generator to significantly improve the permeability rate of screen pack, puies forward high-octane utilization rate, and has avoided the wear-out failure of vibration to filter screen and equipment; Make to be used as the slush pump of centrifugal motion, not only avoid silt to stop up outlet, and mud extraction continuously, increase discharging efficiency, thereby reached the multi-efficiency of economical and practical and high-efficiency environment friendly.The present invention is widely used as the processed of enclosing and cultivating high aqueous slurry in the draining in district and dredging, desilting engineering.
Accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 is one embodiment of the invention overall structure schematic diagram;
Fig. 2 is the structural representation of slush pump.
In figure: 1 for supersonic generator, 2 for container, 3 for screen pack, 4 for water inlet pipe with valve, 5 for the outlet, 6 with valve be support, 7 for slush pump, 8 for motor, 9 for control cabinet, 10 for cable, 11 be mud mouth.
The specific embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art further to understand the present invention, but not limit in any form the present invention.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make some distortion and improvement.These all belong to protection scope of the present invention.
Embodiment 1
For sediment grain size d
10the mud that >5 μ m, moisture content are 200%, as shown in Figure 1, the present embodiment provides a kind of day maximum mud volume 120m
3the quick-dehydration device of high aqueous slurry, by supersonic generator 1, container 2, screen pack 3, water inlet pipe 4 with valve, outlet 5 with valve, support 6, slush pump 7, motor 8, control cabinet 9, cable 10 and mud mouth 11 form, wherein: supersonic generator 1 is arranged on the sidewall of container 2, container 2 is arranged on support 6, screen pack 3 is arranged on the middle part of container 2, water inlet pipe 4 with valve is arranged on the lower sidewall of container 2 and below screen pack 3, outlet 5 with valve is arranged on the side wall upper part of container 2 and on screen pack 3, 7 one-tenth certain inclination angles of slush pump are arranged on the bottom of container 2 and one end of slush pump 7 communicates with the bottom of container 2, motor 8 is arranged on the other end of slush pump 7, control cabinet 9 is arranged on support 6 and below container 2, cable 10 is for connecting control cabinet 9 and motor 8, mud mouth 11 is arranged on slush pump 7 one end near motor 8.
In the present embodiment, described supersonic generator 1 effect is that civil power is converted to the high-frequency ac signal of telecommunication matching with ultrasonic transducer, drives ultrasonic transducer work.Adopt power, frequency adjustable from 0～1000W power from the adjustable supersonic generator of 20KHZ～40KHZ.
In the present embodiment, the closed cavity of described container 2 for being made by W18Cr4V shape steel plate, for holding muddy water; As shown in Figure 1, container 2 tops are the cuboid of high 0.5m, long 1m, wide 0.5m, and bottom is the funnel-form triangle cylinder of high 0.5 meter, and funnel-form cylinder bottom is provided with an outlet for communicating with one end of slush pump.
In the present embodiment, described screen pack 3 is made up of high strength geotextile cloth or filter membrane, long 1m, wide 0.5m, aperture 5um; As shown in Figure 1, screen pack 3 is installed on the inwall of container 2, apart from container 2 0.2m places, top, for by muddy water isolated by filtration.
In the present embodiment, the described water inlet pipe 4 with valve is pipelines with valve to the interior input muddy water of container 2 of being made up of W18Cr4V shaped steel; As shown in Figure 1, the water inlet pipe 4 with valve is arranged on container 2 sidewalls, apart from container 2 0.4m places, top, and is positioned under screen pack 3 pipe range 20cm, the caliber 10cm of the water inlet pipe 4 with valve.
In the present embodiment, the described outlet 5 with valve is pipelines with valve of being made up of W18Cr4V shaped steel; As shown in Figure 1, the outlet 5 with valve is arranged on container 2 sidewalls, apart from container 2 0.1m places, top, and is positioned on screen pack 3 pipe range 20cm, the caliber 6cm of the outlet 5 with valve.
In the present embodiment, described support 6 be made by the angle 304# stainless steel steel of ∠ 25 × 25 × 3 for supporting the fixed frame of whole device, the high 1.3m of support 6.
In the present embodiment, described slush pump 7 be by W18Cr4V section steel material make, in do the pipeline of centrifugal motion parts; As shown in Figure 2, pipe range 1.5m, the caliber 6cm of slush pump 7, one end of slush pump 7 is provided with the square import of a long 5cm, wide 5cm, the other end is provided with the circular hole outlet that a diameter is 6cm, slush pump 7 is 45 ° of installations, the tube wall of slush pump 7 is close to container 2 lower right walls, and slush pump 7 is docked at the exit of container 2 funnel-form cylinders with one end of import.
In the present embodiment, described motor 8 is the buncher of power 25-200W, is arranged on the other end of slush pump 7, and the parts that do centrifugal motion in order to drive in slush pump 7 rotate.
In the present embodiment, described control cabinet 9 is for to have the parts that open and close are connected with cable, for controlling the duty of motor 8.
In the present embodiment, the copper core that described cable 10 is connection motor 8 and control cabinet 9 is the conductor cable of 2.5 square millimeters, for motor 8 is connected to outside power supply by control cabinet 9.
In the present embodiment, described mud mouth 11 is for to be arranged at the silt outlet conduit with valve that slush pump 7 is made near one end of motor 8, by W18Cr4V shaped steel, and being arranged on diameter on slush pump 7 is 6cm circular hole exit, the caliber 6cm of mud mouth 11, long 20cm.
The job step of the fast dewatering method of the high aqueous slurry of the present embodiment is as follows:
(1) open the valve of the water inlet pipe 4 with valve, in container 2, inject muddy water;
(2) open supersonic generator 1, make screen pack 3 produce vibration, strengthen the water penetration of screen pack 3;
(3) open the valve of the outlet 5 with valve, discharge the water on screen pack 3 tops;
(4) after the mud reserves after the inherent screen pack 3 bottom dehydrations of container 2 acquire a certain degree, open motor 8 by control cabinet 9, running slush pump 7, silt after mud mouth 11 is discharged dehydration.
Implementation result: for sediment grain size d
10the mud that >5 μ m, moisture content are 200%, the application of quick-dehydration device and using method, can reach daily handling ability and be 120m to the maximum
3, the moisture content of mud extraction is less than 90%, and this implementation method is simple, and the water body being discharged from is clean, and sediment loss amount is less than 10%.
Embodiment 2
For sediment grain size d
10the mud that >5 μ m, moisture content are 200%, the present embodiment provides a kind of day maximum mud volume 250m
3the quick-dehydration device of high aqueous slurry, be made up of supersonic generator 1, container 2, screen pack 3, the water inlet pipe 4 with valve, the outlet 5 with valve, support 6, slush pump 7, motor 8, control cabinet 9, cable 10 and mud mouth 11, the annexation between each parts is with embodiment 1.
In the present embodiment, described supersonic generator 1 effect is that civil power is converted to the high-frequency ac signal of telecommunication matching with ultrasonic transducer, drives ultrasonic transducer work.Adopt power adjustable from 0～1000W power, frequency is from the adjustable supersonic generator of 20KHZ～40KHZ.
In the present embodiment, the closed cavity of described container 2 for being made by W18Cr4V shape steel plate, be used for holding muddy water, container 2 tops are the cuboid of high 0.5m, long 1.65m, wide 0.5m, bottom is the funnel-form triangle cylinder of high 0.5 meter, and funnel-form cylinder bottom is provided with an outlet for communicating with one end of slush pump.
In the present embodiment, described screen pack 3 is made by geotextile cloth or filter membrane, and long 1.65m, wide 0.5m, aperture are 5um; As shown in Figure 1, screen pack 3 is installed on the inwall of container 2, apart from container 2 0.2m places, top, for by muddy water isolated by filtration.
In the present embodiment, the described water inlet pipe 4 with valve be by W18Cr4V section steel manufacture to the pipeline with valve of inputting muddy water in container, water inlet pipe 4 with valve is arranged on container 2 sidewalls, apart from container 2 0.4m places, top, and be positioned under screen pack 3 pipe range 20cm, the caliber 15cm of the water inlet pipe 4 with valve.
In the present embodiment, the described outlet 5 with valve is pipelines with valve of being made up of W18Cr4V shaped steel, outlet 5 with valve is arranged on container 2 sidewalls, apart from container 2 0.1m places, top, and be positioned on screen pack 3 pipe range 20cm, the caliber 10cm of the outlet 5 with valve.
In the present embodiment, described support 6 be made by the 304# stainless steel angle steel of ∠ 25 × 25 × 3 for supporting the fixed frame of whole device, the high 1.3m of support 6.
In the present embodiment, described slush pump 7 be by W18Cr4V section steel material make, in do the pipeline of centrifugal motion parts, caliber 9cm, the pipe range 1.5m of slush pump 7, one end of slush pump 7 is provided with the square import of a long 8cm, wide 8cm, the other end is provided with the circular hole outlet that a diameter is 9cm, slush pump 7 is 45 ° of installations, and the tube wall of slush pump 7 is close to container 2 lower right walls, and slush pump 7 is docked at the exit of container 2 funnel-form cylinders with one end of import.
In the present embodiment, described motor 8 is the buncher of power 25-200W, is arranged on the other end of slush pump 7, and the parts that do centrifugal motion in order to drive in slush pump 7 rotate.
In the present embodiment, described control cabinet 9 is for to have the parts that open and close are connected with cable, for controlling electric machine operation state.
In the present embodiment, the copper core that described cable 10 is connection motor 8 and control cabinet 9 is the conductor cable of 2.5 square millimeters, for motor 8 is connected to outside power supply by control cabinet 9.
In the present embodiment, described mud mouth 11 is for to be arranged at slush pump 7 near one end of motor 8, by the silt outlet conduit with valve of W18Cr4V section steel manufacture, and being arranged on diameter on slush pump 7 is 9cm circular hole exit, the caliber 9cm of mud mouth 11, long 20cm.
The job step of the fast dewatering method of the high aqueous slurry of the present embodiment is as follows:
(1) open the valve of the water inlet pipe 4 with valve, in container 2, inject muddy water;
(2) open supersonic generator 1, make screen pack 3 produce vibration, strengthen the water penetration of screen pack 3;
(3) open the valve of the outlet 5 with valve, discharge the water on screen pack 3 tops;
(4) after the mud reserves after the inherent screen pack 3 bottom dehydrations of container 2 acquire a certain degree, open motor 8 by control cabinet 9, running slush pump 7, silt after mud mouth 11 is discharged dehydration.
Implementation result: for sediment grain size d
10the mud that >5 μ m, moisture content are 200%, the application of quick-dehydration device and using method, can reach daily handling ability and be 250m to the maximum
3, the moisture content of mud extraction is less than 90%, and this implementation method is simple, and the water body being discharged from is clean, and sediment loss amount is less than 10%.
Embodiment 3
For sediment grain size d
10the mud that >25 μ m, moisture content are 200%, a kind of day maximum mud volume 600m that the present embodiment provides
3the quick-dehydration device of high aqueous slurry, be made up of supersonic generator 1, container 2, screen pack 3, the water inlet pipe 4 with valve, the outlet 5 with valve, support 6, slush pump 7, motor 8, control cabinet 9, cable 10 and mud mouth 11, the annexation between each parts is with embodiment 1.
In the present embodiment, described supersonic generator 1 effect is that civil power is converted to the high-frequency ac signal of telecommunication matching with ultrasonic transducer, drives ultrasonic transducer work.Adopt power adjustable from 1000～3000W power, frequency is from the adjustable supersonic generator of 40KHZ～100KHZ.
In the present embodiment, described container 2 is the closed cavity of being made by 14MnMoV type alloy-steel plate, for holding muddy water; Container 2 tops are the cuboid of high 0.5m, long 2m, wide 1m, and bottom is the funnel-form triangle cylinder of high 0.5 meter, and funnel-form cylinder bottom is provided with an outlet for communicating with one end of slush pump.
In the present embodiment, described screen pack 3 is made up of geotextile cloth or filter membrane, and long 2m, wide 1m, aperture are 5um; Screen pack 3 is arranged on container 2 inwalls, apart from container 2 0.2m places, top, for by muddy water isolated by filtration.
In the present embodiment, the described water inlet pipe 4 with valve is pipelines with valve to the interior input muddy water of container 2 of being made up of 14MnMoV type steel alloy, water inlet pipe 4 with valve is arranged on container 2 sidewalls, apart from container 2 0.4m places, top, and be positioned under screen pack 3 pipe range 20cm, the caliber 20cm of the water inlet pipe 4 with valve.
In the present embodiment, the described outlet 5 with valve is pipelines with valve of being made up of 14MnMoV type steel alloy, outlet 5 with valve is arranged on container 2 sidewalls, apart from container 2 0.1m places, top, and be positioned on screen pack 3 pipe range 20cm, the caliber 10cm of the outlet 5 with valve.
In the present embodiment, described support 6 be made by the 304# stainless steel angle steel of ∠ 25 × 25 × 3 for supporting the fixed frame of whole device, the high 1.3m of support 6.
In the present embodiment, described slush pump 7 be by 14MnMoV type alloy steel material make, in do the pipeline of centrifugal motion parts, caliber 10cm, the pipe range 2.5m of slush pump 7, one end of slush pump 7 is provided with the square import of a long 9cm, wide 9cm, the other end is provided with the circular hole outlet that a diameter is 10cm, slush pump 7 is 45 ° of installations, and the tube wall of slush pump 7 is close to container 2 lower right walls, and slush pump 7 is docked at the exit of container 2 funnel-form cylinders with one end of import.
In the present embodiment, described motor 8 is the buncher of power 50-300W, is arranged on the other end of slush pump 7, and the parts that do centrifugal motion in order to drive in slush pump 7 rotate.
In the present embodiment, described control cabinet 9 is for to have the parts that open and close are connected with cable, for controlling motor 8 duties.
In the present embodiment, described cable 10 is that the copper core of connection motor 8 and control cabinet 9 is the conductor cable of 2.5 square millimeters, for motor 8 is connected to outside power supply by control cabinet 9.
In the present embodiment, described mud mouth 11 is for being arranged at the silt outlet conduit with valve that slush pump 7 is made near one end of motor 8, by 14MnMoV type steel alloy, being arranged on diameter on slush pump 7 is 6cm circular hole exit, the caliber 10cm of mud mouth 11, long 20cm.
The job step of the fast dewatering method of the high aqueous slurry of the present embodiment is as follows:
(1) open the valve of the water inlet pipe 4 with valve, in container 2, inject muddy water;
(2) open supersonic generator 1, make screen pack 3 produce vibration, strengthen the water penetration of screen pack 3;
(3) open the valve of the outlet 5 with valve, discharge the water on screen pack 3 tops;
(4) after the mud reserves after the inherent screen pack 3 bottom dehydrations of container 2 acquire a certain degree, open motor 8 by control cabinet 9, running slush pump 7, silt after mud mouth 11 is discharged dehydration.
Implementation result: for sediment grain size d
10the mud that >25 μ m, moisture content are 200%, the application of quick-dehydration device and using method, can reach daily handling ability and be 600m to the maximum
3, the moisture content of mud extraction is less than 90%, and this implementation method is simple, and the water body being discharged from is clean, and sediment loss amount is less than 10%.
For sediment grain size d
5the mud that >50 μ m, moisture content are 150%, a kind of day maximum mud volume 1000m that the present embodiment provides
3high aqueous slurry (d>50 μ quick-dehydration device m), be made up of supersonic generator 1, container 2, screen pack 3, the water inlet pipe 4 with valve, the outlet 5 with valve, support 6, slush pump 7, motor 8, control cabinet 9, cable 10 and mud mouth 11, the annexation between each parts is with embodiment 1.
In the present embodiment, described supersonic generator 1 effect is that civil power is converted to the high-frequency ac signal of telecommunication matching with ultrasonic transducer, drives ultrasonic transducer work.Adopt power adjustable from 1000～3000W power, frequency is from the adjustable supersonic generator of 40KHZ～100KHZ.
In the present embodiment, described container 2 is closed cavities of being made by 14MnMoV type alloy-steel plate, for holding muddy water; Container 2 tops are the cuboid of high 1m, long 2m, wide 2m, and bottom is the funnel-form triangle cylinder of high 0.5 meter, and funnel-form cylinder bottom is provided with an outlet for communicating with one end of slush pump.
In the present embodiment, described screen pack 3 is made up of geotextile cloth or filter membrane, and long 2m, wide 2m, aperture are 20um; Screen pack 3 is arranged on container 2 inwalls, apart from container 2 0.3m places, top, for by muddy water isolated by filtration.
In the present embodiment, the described water inlet pipe 4 with valve is pipelines with valve to the interior input muddy water of container 2 of being made up of 14MnMoV type steel alloy, water inlet pipe 4 with valve is arranged on container 2 sidewalls, apart from container 2 0.5m places, top, and be positioned under screen pack 3 pipe range 20cm, the caliber 25cm of the water inlet pipe 4 with valve.
In the present embodiment, the described outlet 5 with valve is pipelines with valve of being made up of 14MnMoV type steel alloy, outlet 5 with valve is arranged on container 2 sidewalls, apart from container 2 0.2m places, top, and be positioned on screen pack 3 pipe range 20cm, the caliber 20cm of the outlet 5 with valve.
In the present embodiment, described support 6 be made by the angle steel of ∠ 25 × 25 × 3 for supporting the fixed frame of whole device, the high 2.3m of support 6.
In the present embodiment, described slush pump 7 be by 14MnMoV type alloy steel material make, in do the pipeline of centrifugal motion parts, caliber 15cm, the pipe range 3.3m of slush pump 7, one end of slush pump 7 is provided with the square import of a long 13cm, wide 13cm, the other end is provided with the circular hole outlet that a diameter is 15cm, slush pump 7 is 45 ° of installations, and the tube wall of slush pump 7 is close to container 2 lower right walls, and slush pump 7 is docked at the exit of container 2 funnel-form cylinders with one end of mud inlet.
In the present embodiment, described motor 8 is bunchers of power 100-500W, is arranged on the other end of slush pump 7, and the parts that do centrifugal motion in order to drive in slush pump 7 rotate.
In the present embodiment, described control cabinet 9 is for to have the parts that open and close are connected with cable, for controlling motor 8 duties.
In the present embodiment, the copper core that described cable 10 is connection motor 8 and control cabinet 9 is the conductor cable of 4 square millimeters, for motor 8 is connected to outside power supply by control cabinet 9.
In the present embodiment, described mud mouth 11 is for being arranged at the silt outlet conduit with valve that slush pump 7 is made near one end of motor 8, by 14MnMoV type steel alloy, being arranged on diameter on slush pump 7 is 6cm circular hole exit, the caliber 15cm of mud mouth 11, long 20cm.
The job step of the fast dewatering method of the high aqueous slurry of the present embodiment is as follows:
(1) open the valve of the water inlet pipe 4 with valve, in container 2, inject muddy water;
(2) open supersonic generator 1, make screen pack 3 produce vibration, strengthen the water penetration of screen pack 3;
(3) open the valve of the outlet 5 with valve, discharge screen pack 3 upper water;
(4) after the mud reserves after the inherent screen pack 3 bottom dehydrations of container 2 acquire a certain degree, open motor 8 by control cabinet 9, running slush pump 7, silt after mud mouth 11 is discharged dehydration.
Implementation result: for sediment grain size d
5the mud that >50 μ m, moisture content are 150%, the application of quick-dehydration device and using method, can reach daily handling ability and be 1000m to the maximum
3, the moisture content of mud extraction is less than 85%, and this implementation method is simple, and the water body being discharged from is clean, and sediment loss amount is less than 5%.
Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (9)
1. the quick-dehydration device of a high aqueous slurry, it is characterized in that, described dewater unit comprises: supersonic generator, container, screen pack, water inlet pipe, outlet, support, slush pump, motor, control cabinet, cable and mud mouth, wherein: supersonic generator is arranged on the sidewall of container, container is arranged on support, screen pack is arranged on the middle part of container inner wall, water inlet pipe is arranged on the lower sidewall of container and below screen pack, outlet is arranged on the side wall upper part of container and on screen pack, slush pump becomes an inclination angle to be arranged on the bottom of container and one end of slush pump communicates with the bottom of container, motor is arranged on the other end of slush pump, control cabinet is arranged on support and below container, cable is used for connecting control cabinet and motor, mud mouth is arranged on slush pump one end near motor.
2. the quick-dehydration device of a kind of high aqueous slurry according to claim 1, it is characterized in that, described supersonic generator is that civil power is converted to the high-frequency ac signal of telecommunication matching with ultrasonic transducer, the work of driving ultrasonic transducer, be used for bringing out muddy water vibration, prevent that screen pack from being stopped up by silt, improve the permeability rate of screen pack.
3. the fast dewatering method of a kind of high aqueous slurry according to claim 1, is characterized in that, described slush pump is the parts that do centrifugal motion, for the silt of container bottom is extracted out.
4. according to the fast dewatering method of a kind of high aqueous slurry described in claim 1-3 any one, it is characterized in that, described container is the closed cavity being made into by high-strength material.
5. according to the fast dewatering method of a kind of high aqueous slurry described in claim 1-3 any one, it is characterized in that, described screen pack is to have the nethike embrane that anticorrosion, wear-resisting high-strength material are made.
6. according to the fast dewatering method of a kind of high aqueous slurry described in claim 1-3 any one, it is characterized in that, described support is the fixed frame that metal or high strength nonmetallic materials are made, for whole device provides support.
7. according to the fast dewatering method of a kind of high aqueous slurry described in claim 1-3 any one, it is characterized in that, described water inlet pipe is with the valvular passage to inputting muddy water in container.
8. according to the fast dewatering method of a kind of high aqueous slurry described in claim 1-3 any one, it is characterized in that, described outlet is the passage of discharging with muddy water in valvular container.
9. a fast dewatering method that adopts the high aqueous slurry that device carries out described in claim 1, is characterized in that, described dewatering concrete steps comprise:
(1) open the valve of water inlet pipe, in container, inject muddy water;
(2) open supersonic generator, make screen pack produce vibration, strengthen the water penetration of screen pack;
(3) open the valve of outlet, discharge screen pack upper water;
(4) after the mud reserves after the bottom dehydration of the inherent screen pack of container acquire a certain degree, open motor by control cabinet, running slush pump, discharges the rear silt of dehydration by mud mouth.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410032542.7A CN103768847A (en) | 2014-01-23 | 2014-01-23 | Fast dehydration device and method for high-water-content slurry |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410032542.7A CN103768847A (en) | 2014-01-23 | 2014-01-23 | Fast dehydration device and method for high-water-content slurry |
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| CN103768847A true CN103768847A (en) | 2014-05-07 |
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| CN201410032542.7A Pending CN103768847A (en) | 2014-01-23 | 2014-01-23 | Fast dehydration device and method for high-water-content slurry |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109912166A (en) * | 2019-04-11 | 2019-06-21 | 上海市城市建设设计研究总院（集团）有限公司 | The dedicated pneumatic shuttle of sludge fast dewatering |
| CN110342763A (en) * | 2019-08-12 | 2019-10-18 | 毅康科技有限公司 | A kind of mud decrement disinfection unit |
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| CN110342763B (en) * | 2019-08-12 | 2024-02-27 | 毅康科技有限公司 | Sludge decrement disinfection treatment device |
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Application publication date: 20140507 |