CN113087324B - Sludge heavy metal stabilization method and special device - Google Patents
Sludge heavy metal stabilization method and special device Download PDFInfo
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- CN113087324B CN113087324B CN202110295171.1A CN202110295171A CN113087324B CN 113087324 B CN113087324 B CN 113087324B CN 202110295171 A CN202110295171 A CN 202110295171A CN 113087324 B CN113087324 B CN 113087324B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/004—Sludge detoxification
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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Abstract
The invention belongs to the technical field of sludge treatment, and particularly relates to a sludge heavy metal stabilization method and a special device, which comprise a hull, a treatment box and a motor, wherein the treatment box is fixedly connected inside the hull; a treatment cavity is formed in the treatment box; an inlet is formed in the side surface of one side of the treatment box; a mud inlet pipe is fixedly connected to the inner part of the inlet, and the other end of the mud inlet pipe is positioned at the bottom of the ship body; an outlet is formed in the side face of the other side of the treatment box; a mud outlet pipe is fixedly connected inside the outlet; the top surface inside the treatment box is fixedly connected with an installation plate; the bottom surface of the mounting plate is fixedly connected with first spray heads which are uniformly arranged; the invention effectively realizes the high-efficiency purification treatment of the sludge, ensures the high-efficiency stabilization of unstable heavy metal ions in the river bottom sludge, and simultaneously carries out disinfection treatment on the sludge, and the treated sludge can be directly led back to the river bottom without clearing the sludge, thereby reducing the workload of sludge treatment.
Description
Technical Field
The invention belongs to the technical field of sludge treatment, and particularly relates to a sludge heavy metal stabilizing method and a special device.
Background
Along with social development, people's environmental protection consciousness is getting stronger and stronger, and in the past many sewage can directly be discharged to the river, can contain a large amount of heavy metals in some sewage, accumulate in the inside of river course for a long time and deposit to the mud of river bottom, and these heavy metals can cause very big injury to the health, need administer the river course.
According to the method for treating and recycling the river bottom sludge in the CN110029621A on site, the sludge is obtained, dehydrated, the content of heavy metals in the sludge is reduced, impurities in the sludge are crushed and stirred to form a clay shape, the clay shape is filled into the revetment blocks, the sludge is treated on site and recycled, the revetment blocks are piled up into revetment walls, the embankment is consolidated, the sludge is treated and utilized on site, and meanwhile, the sludge is harmless, stabilized and recycled.
However, in the prior art, firstly, the water in the river channel is purified, so that the river channel water is cleaner, especially, free heavy metals in the water are removed, and the river water is treated, but part of the heavy metals can permeate into sludge at the river bottom, so that the sludge is polluted, even if the river water is repeatedly treated, the river water cannot be completely purified due to the influence of the sludge.
In view of the above, the present invention provides a method and a special device for stabilizing heavy metals in sludge, which solves the above technical problems.
Disclosure of Invention
In order to solve the problems that in the prior art, firstly, water in a river channel is purified to enable the river channel water to be cleaner, especially, free heavy metals in the water are removed, and river water is treated, but part of the heavy metals can permeate into sludge at the bottom of the river to enable the sludge to be polluted, even if the river water is repeatedly treated, the river water cannot be completely purified due to the influence of the sludge, the existing solution needs to pump the river water to be dry, and directly suck all the sludge at the bottom of the river into a sludge truck to be transported to a sludge treatment plant for sludge purification, but the workload is huge, and particularly when the river channel is wider, the sludge at the bottom of the river is more, the treatment method is difficult to implement, and the like, the invention provides a sludge heavy metal stabilizing method and a special device.
The technical scheme adopted by the invention for solving the technical problems is as follows: the special device for stabilizing the heavy metal in the sludge comprises a ship body, a treatment box and a motor, wherein the treatment box is fixedly connected inside the ship body; a treatment cavity is formed in the treatment box; an inlet is formed in the side surface of one side of the treatment box; a mud inlet pipe is fixedly connected to the inner part of the inlet, and the other end of the mud inlet pipe is positioned at the bottom of the ship body; an outlet is formed in the side face of the other side of the treatment box; a mud outlet pipe is fixedly connected inside the outlet; the top surface inside the treatment box is fixedly connected with an installation plate; the bottom surface of the mounting plate is fixedly connected with first spray heads which are uniformly arranged, and the first spray heads are communicated with a device for containing lime water; a power cavity is formed in the position, close to the bottom surface of the treatment box, in the treatment box; the power cavity is internally and rotatably connected with first gears which are uniformly arranged; the bottom surfaces of the first gears are fixedly connected with first rotating columns; the bottom of one of the first rotating columns is fixedly connected with a motor; the top surfaces of the first gears are fixedly connected with stirring shafts, and the tops of the stirring shafts extend into the processing cavity; in the prior art, water in the river channel is firstly purified to enable the river channel water to be cleaner, particularly to remove free heavy metals in water, so as to achieve river water treatment, but as part of heavy metals permeate into sludge in the river channel, so as to enable the sludge to be polluted, even if the river water is repeatedly treated, the river water cannot be thoroughly purified due to the influence of sludge, the existing solution needs to pump the river water dry, and directly suck all sludge in a sludge truck to be transported to a sludge treatment plant for sludge purification, but has huge workload, particularly when the sludge in the river channel is wider, the sludge in the river channel is more, the treatment method is difficult to implement, and the like, through the special sludge stabilization device, the special sludge stabilization device controls a power supply to be directly arranged above a river channel, so as to enable sludge to directly flow into a sludge treatment plant for sludge purification, and further drive a first sludge mixing and stirring mechanism to directly rotate through a first rotating gear, so as to enable sludge in the river channel to be directly driven to enter a first rotating sludge mixing and rotating shaft to drive a sludge treatment machine to perform sludge treatment, and further to drive a sludge mixing and rotating sludge treatment effect through a first rotating gear pump a first rotating sludge stirring shaft, the invention effectively realizes the high-efficiency purification treatment of the sludge, ensures the high-efficiency stabilization of unstable heavy metal ions in the river bottom sludge, and simultaneously carries out disinfection treatment on the sludge, and the treated sludge can be directly led back to the river bottom without clearing the sludge, thereby reducing the workload of sludge treatment.
Preferably, a second gear is meshed and connected between the adjacent first gears; the bottom surfaces of the second gears are fixedly connected with second rotating columns, and the second rotating columns are rotationally connected with the treatment box; during operation, through setting up second gear and second rotation post, through mutually supporting between second gear and the first gear, realized opposite operation between the adjacent first gear, and then opposite operation between first gear can drive adjacent (mixing) shaft, improves the mixed effect to mud, guarantees intensive mixing between lime wash and the mud.
Preferably, the positions of the top surface of the second gear, which are close to the side surfaces of the second gear, are fixedly connected with convex blocks; the top surface of the power cavity is provided with sliding grooves at the positions of the convex blocks; the sliding blocks are connected inside the sliding grooves in a sliding mode; a first spring is fixedly connected between the sliding block and the groove bottom of the corresponding sliding groove; first connecting holes are formed between the sliding grooves and the power cavity; the inner parts of the first connecting holes are fixedly connected with first one-way valves; second connecting holes are formed between the sliding grooves and the processing cavity; the inner parts of the second connecting holes are fixedly connected with second one-way valves; the during operation, through setting up lug and slider, when second gear rotation, the second gear can drive the lug and rotate, can drive the slider at the inside up-and-down motion that corresponds the spout through the lug, and then the inside atmospheric pressure alternation of spout, the inside gas of power intracavity portion can be through the leading-in inside to the spout in first even hole, then the inside gas of spout can be through the leading-in inside to the venthole in second even hole, because the inside accumulation of treatment chamber has a large amount of mud, the bottom upward movement of mud can be followed to the gas, promote the motion and the mixture about mud.
Preferably, the inner bottom surface of the treatment cavity is provided with elastic sheets at the second connecting hole; the elastic pieces are designed in a spherical structure, and the edges of the elastic pieces are designed in a wavy structure; second springs are fixedly connected between the elastic pieces and the bottom surface of the processing cavity; elastic ropes are fixedly connected between the positions of the wave structures of the elastic pieces and the bottom surface of the treatment cavity; the during operation, through setting up the flexure strip, when gaseous even hole is derived through the second, can push up the mud of second even hole oral area, but a large amount of mud directly pile up the oral area position in second even hole for a long time, lead to the inside second check valve of second even hole inefficacy to lead to the jam scheduling problem of second even hole very easily, influence normal air guide work, through flexure strip and the peripheral wave structure of flexure strip, when gaseous even hole is derived through the second, at first gaseous accumulation can be at the bottom intermediate position of flexure strip, when along with the continuous increase of atmospheric pressure, the inside slot that part gas can lead to flexure strip wave structure, last gaseous just can derive, through the flexure strip of this structure, make atmospheric pressure step up and derive, the blocking phenomenon is led back of mud has been reduced, the special construction of flexure strip and flexure strip can play multiple sealing effect simultaneously, avoided mud directly to enter into the inside in second even hole.
Preferably, the side surface of the stirring column is provided with guide grooves which are uniformly distributed; the guide blocks are connected inside the guide grooves in a sliding manner; the side surface of the guide block, which is far away from one side of the groove bottom of the corresponding guide groove, is provided with a mounting groove; the mouth parts of the mounting grooves are fixedly connected with filter screens; the during operation, through setting up the guide block, after accomplishing the stabilization and the disinfection of mud, through the leading-in atmospheric pressure in inside to the guide slot for the inside guide block of guide slot all outwards derives, and the guide block can extrude mud, promotes the derivation of mud, and the filter screen on guide block surface can play the filter effect simultaneously, makes the inside of a large amount of sewage direct infiltration mounting groove in the mud, realizes the collection of sewage, reduces a large amount of row of returning of sewage.
Preferably, guide rods which are uniformly distributed are arranged on the side surface of the inlet; the surfaces of the guide rods are provided with second spray heads which are uniformly distributed; the during operation sets up the second shower nozzle of evenly arranging through the surface that sets up the guide arm, through the continuous derivation lime wash of second shower nozzle, and the lime wash of constantly deriving can directly mix and flow into the inside of process chamber jointly with the mud through the import, has reduced mud hybrid processing's time, improves sludge treatment efficiency and sludge treatment effect.
Preferably, the side surface of the inlet is provided with moving cavities which are uniformly distributed; pistons are connected to the inner parts of the moving cavities in a sliding manner; the side surfaces of the pistons are fixedly connected with guide rods; the surfaces of the guide rods are provided with uniformly distributed accommodating grooves; the inner parts of the accommodating grooves are connected with the second spray heads in a sliding manner; elastic pads are fixedly connected between the second spray head and the bottom of the corresponding accommodating groove; the during operation through setting up the piston, removes the inside atmospheric pressure in chamber through control, and then the removal of control piston, and the piston can drive and correspond the guide arm motion for the guide arm can correspond the inside that removes the chamber by income, is convenient for on the one hand to the clearance on guide arm surface, especially the surface winding rubbish of guide arm, regularly makes the guide arm can draw simultaneously, can reduce into the jam risk of mud pipe.
A method for stabilizing heavy metals in sludge is suitable for the special device for stabilizing heavy metals, and comprises the following stabilizing steps:
s1: firstly, starting a power supply to enable a power mechanism in the mud inlet pipe to operate to form negative pressure, directly sucking the mud at the river bottom into the mud inlet pipe, and directly guiding the mud into a treatment box through the mud inlet pipe;
s2: then, a motor is started, the motor can enable the first rotating column to rotate, further drive the first gear to rotate, and simultaneously drive the second gear and the second rotating column to rotate, the stirring shafts can be driven to rotate through the first gear, and the adjacent stirring shafts rotate reversely to fully stir and mix the sludge;
s3: meanwhile, lime water is sprayed into the sludge of the treatment tank through the first spray head, so that the stabilization treatment of heavy metals in the sludge is realized, and a disinfection effect is achieved;
s4: after the stabilization and disinfection treatment of the sludge are finished, the sludge is guided out through the sludge outlet pipe, so that the treated sludge is guided to the river bottom again, and the efficient stabilization and disinfection treatment of the river bottom sludge is further finished.
The invention has the following beneficial effects:
1. according to the method and the special device for stabilizing the heavy metal in the sludge, provided by the invention, the ship body, the treatment box and the motor are arranged, the stirring shaft is driven to rotate by the motor, the sludge sucked into the treatment box from the river bottom is stirred, meanwhile, the efficient purification treatment of the sludge is effectively realized by introducing the lime water into the sludge, the unstable heavy metal ions in the sludge at the river bottom are ensured to be efficiently stabilized, the sludge is disinfected, the treated sludge is directly led back to the river bottom, the sludge does not need to be cleaned and transported, and the workload of sludge treatment is reduced.
2. According to the sludge heavy metal stabilization method and the special device, the elastic sheet, the second spring and the elastic rope are arranged, when gas is led out through the second connecting hole, the gas can be accumulated at the middle position of the bottom of the elastic sheet firstly, when the gas pressure is continuously increased, part of the gas can be led into the groove of the elastic sheet wave structure, and finally the gas can be led out, so that the gas pressure is boosted and led out through the elastic sheet of the structure, the back-leading blocking phenomenon of sludge is reduced, meanwhile, the special structures of the elastic sheet and the elastic sheet can play a multiple sealing role, and the sludge is prevented from directly entering the second connecting hole.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is an enlarged partial view at A of FIG. 3;
FIG. 5 is an enlarged partial view at B in FIG. 4;
FIG. 6 is an enlarged partial view at C of FIG. 4;
in the figure: the device comprises a ship body 1, a treatment box 2, a motor 3, a mud inlet pipe 4, a mud outlet pipe 5, a mounting plate 6, a first spray head 7, a first gear 8, a first rotating column 9, a stirring shaft 10, a second gear 11, a second rotating column 12, a convex block 13, a sliding block 14, a first spring 15, a first one-way valve 16, a second one-way valve 17, an elastic sheet 18, a second spring 19, an elastic rope 20, a guide block 21, a filter screen 22, a guide rod 23, a second spray head 24, a piston 25 and an elastic cushion 26.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to fig. 6, the special device for stabilizing heavy metals in sludge comprises a hull 1, a treatment tank 2 and a motor 3, wherein the treatment tank 2 is fixedly connected inside the hull 1; a treatment cavity is formed in the treatment box 2; an inlet is formed in the side face of one side of the treatment box 2; a mud inlet pipe 4 is fixedly connected to the inner part of the inlet, and the other end of the mud inlet pipe 4 is positioned at the bottom of the ship body 1; an outlet is formed in the side face of the other side of the treatment box 2; a mud outlet pipe 5 is fixedly connected inside the outlet; the top surface of the inside of the treatment box 2 is fixedly connected with an installation plate 6; the bottom surface of the mounting plate 6 is fixedly connected with first spray heads 7 which are uniformly arranged, and the first spray heads 7 are communicated with a device for containing lime water; a power cavity is formed in the position, close to the bottom surface of the treatment box 2, inside the treatment box 2; the interior of the power cavity is rotatably connected with first gears 8 which are uniformly arranged; the bottom surfaces of the first gears 8 are fixedly connected with first rotating columns 9; the bottom of one of the first rotating columns 9 is fixedly connected with a motor 3; the top surfaces of the first gears 8 are fixedly connected with stirring shafts 10, and the tops of the stirring shafts 10 extend into the treatment cavity; in the prior art, firstly, the water in the river channel is purified, so that the river channel water is cleaner, especially, the free heavy metals in the water are removed, the river water is treated, but the sludge is polluted because part of the heavy metals can permeate into the sludge at the river bottom, even if the river water is treated repeatedly, the river water cannot be thoroughly purified due to the influence of the sludge, the existing solution needs to drain the river water and directly suck the sludge at the river bottom into a sludge truck, the special device for stabilizing the heavy metal in the sludge is used for controlling the ship body 1 to directly float above river water, then starting a power supply to enable a power mechanism inside the sludge inlet pipe 4 to run to form negative pressure, directly sucking the sludge at the river bottom into the sludge inlet pipe 4, directly leading the sludge into the treatment box 2 through the sludge inlet pipe 4, then starting the motor 3, enabling the motor 3 to enable the first rotating column 9 to rotate and further drive the first gear 8 to rotate, driving the stirring shaft 10 to rotate through the first gear 8 to fully stir and mix the sludge, and spraying lime water into the sludge in the treatment box 2 through the first spray head 7 to realize the stabilization treatment of the heavy metal in the sludge, the invention effectively realizes the high-efficiency purification treatment of the sludge, ensures the high-efficiency stabilization of unstable heavy metal ions in the river bottom sludge, simultaneously carries out the disinfection treatment on the sludge, directly leads the treated sludge to the river bottom, does not need to carry out clearing on the sludge and reduces the workload of sludge treatment.
As an embodiment of the present invention, a second gear 11 is engaged and connected between adjacent first gears 8; the bottom surfaces of the second gears 11 are fixedly connected with second rotating columns 12, and the second rotating columns 12 are rotatably connected with the treatment box 2; during operation, through setting up second gear 11 and second rotation post 12, through mutually supporting between second gear 11 and the first gear 8, realized opposite operation between the adjacent first gear 8, and then opposite operation between first gear 8 can drive adjacent (mixing) shaft 10, improves the mixed effect to mud, guarantees intensive mixing between lime wash and the mud.
As an embodiment of the present invention, the top surface of the second gear 11 is fixedly connected with a bump 13 near the side surface thereof; the top surface of the power cavity is provided with sliding grooves at the positions of the convex blocks 13; the sliding blocks 14 are connected inside the sliding grooves in a sliding mode; a first spring 15 is fixedly connected between the sliding block 14 and the bottom of the corresponding sliding groove; first connecting holes are formed between the sliding grooves and the power cavity; the insides of the first connecting holes are fixedly connected with first one-way valves 16; second connecting holes are formed between the sliding grooves and the processing cavity; the inner parts of the second connecting holes are fixedly connected with second one-way valves 17; the during operation, through setting up lug 13 and slider 14, when second gear 11 rotates, second gear 11 can drive lug 13 and rotate, can drive slider 14 at the inside up-and-down motion that corresponds the spout through lug 13, and then the inside atmospheric pressure alternation of spout, the inside gas of power chamber can be through the leading-in inside to the spout in first even hole, then the inside gas of spout can be through the leading-in inside to the air outlet chamber in second even hole, because the inside of treatment chamber is accumulated and is had a large amount of mud, the bottom upward movement of mud can be followed to the gas, promote the motion and the mixture of mud from top to bottom.
As an embodiment of the present invention, the inner bottom surface of the processing chamber is provided with an elastic sheet 18 at the position of the second connecting hole; the elastic pieces 18 are designed to be in a spherical structure, and the edges of the elastic pieces 18 are designed to be in a wavy structure; a second spring 19 is fixedly connected between the elastic sheet 18 and the bottom surface of the treatment cavity; elastic ropes 20 are fixedly connected between the positions of the wave structures of the elastic pieces 18 and the bottom surface of the treatment cavity; during operation, through setting up the flexure strip 18, when gaseous even hole is derived through the second, can push up the mud of second even hole oral area open, but a large amount of mud directly pile up in the oral area position in second even hole for a long time, lead to the inside second check valve 17 of second even to lose efficacy and even lead to the jam scheduling problem in second even hole very easily, influence normal air guide work, through flexure strip 18 and the peripheral wave structure of flexure strip 18, when gaseous even hole is derived through the second, at first gaseous can accumulate in the bottom intermediate position of flexure strip 18, when along with the continuous increase of atmospheric pressure, partial gas can be leading-in to the inside of slot of flexure strip 18 wave structure, gaseous just can derive at last, flexure strip 18 through this structure, make the atmospheric pressure derive, the back of mud is led the jam phenomenon has been reduced, while flexure strip 18 and the special structure of flexure strip 18 can play multiple sealing effect, avoided mud to directly enter into the inside in second even hole.
As an embodiment of the invention, the side surface of the stirring column is provided with guide grooves which are uniformly distributed; the guide blocks 21 are connected inside the guide grooves in a sliding manner; the side surface of the guide block 21, which is far away from one side of the groove bottom of the corresponding guide groove, is provided with a mounting groove; the mouth parts of the mounting grooves are fixedly connected with filter screens 22; the during operation, through setting up guide block 21, after accomplishing the stabilization and the disinfection of mud, through the leading-in atmospheric pressure in inside to the guide slot for the inside guide block 21 of guide slot all outwards derives, and guide block 21 can extrude mud, promotes the derivation of mud, and the filter screen 22 on guide block 21 surface can play the filter effect simultaneously, makes the inside of a large amount of sewage direct infiltration to the mounting groove in the mud, realizes the collection of sewage, reduces a large amount of flowback of sewage.
As an embodiment of the present invention, the side of the inlet is provided with guide rods 23 uniformly arranged; the surfaces of the guide rods 23 are provided with second spray heads 24 which are uniformly distributed; during operation, through setting up guide arm 23, set up the second shower nozzle 24 of evenly arranging through the surface of import inside guide arm 23, through the continuous derivation lime wash of second shower nozzle 24, the lime wash of continuously deriving can be direct with the mud mixture through the import and flow into the inside of treatment chamber jointly, has reduced mud hybrid processing's time, improves sludge treatment efficiency and sludge treatment effect.
As an embodiment of the present invention, the side surface of the inlet is provided with moving cavities which are uniformly arranged; the interior of the moving cavity is connected with a piston 25 in a sliding way; the side surfaces of the pistons 25 are fixedly connected with guide rods 23; the surfaces of the guide rods 23 are all provided with uniformly arranged accommodating grooves; the inner parts of the accommodating grooves are all connected with a second spray head 24 in a sliding way; elastic pads 26 are fixedly connected between the second spray heads 24 and the bottoms of the corresponding accommodating grooves; during operation, through setting up piston 25, through the inside atmospheric pressure of control removal chamber, and then control piston 25's removal, piston 25 can drive and correspond guide arm 23 motion for guide arm 23 can the internal retraction correspond the inside in removal chamber, is convenient for on the one hand to the clearance on guide arm 23 surface, especially guide arm 23's surface winding rubbish, regularly makes guide arm 23 can draw simultaneously, can reduce into mud pipe 4's jam risk.
A method for stabilizing heavy metals in sludge is suitable for the special device for stabilizing heavy metals, and comprises the following stabilizing steps:
s1: firstly, starting a power supply to enable a power mechanism in the mud inlet pipe 4 to operate to form negative pressure, directly sucking the mud at the river bottom into the mud inlet pipe 4, and directly leading the mud into the treatment box 2 through the mud inlet pipe 4;
s2: then the motor 3 is started, the motor 3 can enable the first rotating column 9 to rotate, further drive the first gear 8 to rotate, and simultaneously drive the second gear 11 and the second rotating column 12 to rotate, the stirring shafts 10 can be driven to rotate through the first gear 8, and the adjacent stirring shafts 10 rotate in opposite directions, so that sludge is fully stirred and mixed;
s3: meanwhile, lime water is sprayed into the sludge in the treatment tank 2 through the first spray head 7, so that the stabilization treatment of heavy metals in the sludge is realized, and a disinfection effect is achieved;
s4: after the stabilization and disinfection treatment of the sludge are finished, the sludge is led out through the sludge outlet pipe 5, so that the treated sludge is led to the river bottom again, and the efficient stabilization and disinfection treatment of the river bottom sludge is further finished.
The specific working process is as follows:
when the device works, the ship body 1 is controlled to directly float above river water, then the power supply is started, so that the power mechanism inside the sludge inlet pipe 4 runs to form negative pressure, sludge at the bottom of the river is directly sucked into the sludge inlet pipe 4 and is directly guided into the treatment box 2 through the sludge inlet pipe 4, the motor 3 is started again, the motor 3 can enable the first rotating column 9 to rotate, the first gear 8 can be driven to rotate, the stirring shaft 10 can be driven to rotate through the first gear 8, sludge is fully stirred and mixed, and lime water is sprayed into the sludge inside the treatment box 2 through the first spray head 7, stable treatment of heavy metals inside the sludge is achieved, and a disinfection effect is achieved; through the arrangement of the second gear 11 and the second rotating column 12, the mutual matching between the second gear 11 and the first gear 8 realizes the opposite operation between the adjacent first gears 8, and further the first gears 8 can drive the opposite operation between the adjacent stirring shafts 10, so that the sludge mixing effect is improved, and the full mixing between the lime water and the sludge is ensured; through arranging the convex block 13 and the sliding block 14, when the second gear 11 rotates, the second gear 11 can drive the convex block 13 to rotate, the convex block 13 can drive the sliding block 14 to move up and down in the corresponding sliding chute, so that the internal air pressure of the sliding chute changes alternately, the gas in the power cavity can be guided into the sliding chute through the first connecting hole, then the gas in the sliding chute can be guided into the gas outlet cavity through the second connecting hole, and because a large amount of sludge is accumulated in the processing cavity, the gas can move upwards from the bottom of the sludge, so that the up-and-down movement and mixing of the sludge are promoted; through the arrangement of the elastic sheet 18, when gas is led out through the second connecting hole, the sludge at the opening part of the second connecting hole can be jacked open, but a large amount of sludge is directly stacked at the opening part of the second connecting hole for a long time, so that the problems of failure of the second check valve 17 in the second connecting hole, even blockage of the second connecting hole and the like are easily caused, and normal gas guiding work is influenced; by arranging the guide block 21, after stabilization and disinfection of sludge are completed, air pressure is introduced into the guide groove, so that the guide blocks 21 in the guide groove are led out outwards, the guide blocks 21 can extrude the sludge to promote the leading-out of the sludge, and meanwhile, the filter screen 22 on the surface of the guide block 21 can play a role in filtering, so that a large amount of sewage in the sludge directly permeates into the mounting groove, the collection of the sewage is realized, and the large amount of back drainage of the sewage is reduced; by arranging the guide rod 23, arranging the second spray nozzles 24 uniformly distributed on the surface of the guide rod 23 in the inlet, and continuously leading out the lime water through the second spray nozzles 24, the continuously led out lime water can be directly mixed with the sludge passing through the inlet and jointly flows into the treatment cavity, so that the sludge mixing treatment time is reduced, and the sludge treatment efficiency and the sludge treatment effect are improved; through setting up piston 25, through the inside atmospheric pressure of control removal chamber, and then control piston 25's removal, piston 25 can drive and correspond guide arm 23 motion for guide arm 23 can the adduction correspond the inside that removes the chamber, be convenient for on the one hand to the clearance on guide arm 23 surface, especially guide arm 23's surface winding rubbish, regularly make guide arm 23 can pull simultaneously, can reduce into the jam risk of mud pipe 4.
The foregoing shows and describes the general principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a mud heavy metal stabilization isolated plant, includes hull (1), handles case (2) and motor (3), its characterized in that: a treatment box (2) is fixedly connected inside the ship body (1); a treatment cavity is formed in the treatment box (2); an inlet is formed in the side surface of one side of the treatment box (2); a mud inlet pipe (4) is fixedly connected to the inner part of the inlet, and the other end of the mud inlet pipe (4) is positioned at the bottom of the ship body (1); an outlet is formed in the side face of the other side of the treatment box (2); a mud outlet pipe (5) is fixedly connected inside the outlet; the top surface inside the treatment box (2) is fixedly connected with a mounting plate (6); the bottom surface of the mounting plate (6) is fixedly connected with first spray heads (7) which are uniformly arranged, and the first spray heads (7) are communicated with a device for containing lime water; a power cavity is formed in the position, close to the bottom surface of the treatment box (2), in the treatment box (2); the power cavity is internally and rotatably connected with first gears (8) which are uniformly arranged; the bottom surfaces of the first gears (8) are fixedly connected with first rotating columns (9); the bottom of one of the first rotating columns (9) is fixedly connected with a motor (3); the top surfaces of the first gears (8) are fixedly connected with stirring shafts (10), and the tops of the stirring shafts (10) extend into the treatment cavity;
a second gear (11) is meshed and connected between the adjacent first gears (8); the bottom surfaces of the second gears (11) are fixedly connected with second rotating columns (12), and the second rotating columns (12) are rotatably connected with the treatment box (2);
the positions of the top surface of the second gear (11) close to the side surface thereof are fixedly connected with convex blocks (13); the top surface of the power cavity is provided with sliding grooves at the positions of the convex blocks (13); the inner parts of the sliding grooves are all connected with sliding blocks (14) in a sliding manner; a first spring (15) is fixedly connected between the sliding block (14) and the bottom of the corresponding sliding groove; first connecting holes are formed between the sliding grooves and the power cavity; the insides of the first connecting holes are fixedly connected with first one-way valves (16); second connecting holes are formed between the sliding grooves and the processing cavity; the insides of the second connecting holes are fixedly connected with second one-way valves (17);
elastic pieces (18) are arranged on the inner bottom surface of the processing cavity at the positions of the second connecting holes; the elastic pieces (18) are designed to be spherical structures, and the edges of the elastic pieces (18) are designed to be wavy structures; a second spring (19) is fixedly connected between the elastic sheet (18) and the bottom surface of the treatment cavity; elastic ropes (20) are fixedly connected between the positions of the wave structures of the elastic pieces (18) and the bottom surface of the treatment cavity.
2. The special device for stabilizing the heavy metal in the sludge according to claim 1, which is characterized in that: the side surface of the stirring shaft (10) is provided with guide grooves which are uniformly distributed; the guide blocks (21) are connected inside the guide grooves in a sliding manner; the side surfaces of the guide blocks (21) which are deviated from the side surfaces of the corresponding guide grooves at the bottom of the groove are provided with mounting grooves; the mouth parts of the mounting grooves are fixedly connected with a filter screen (22).
3. The special device for stabilizing the heavy metal in the sludge according to claim 2, which is characterized in that: guide rods (23) which are uniformly distributed are arranged on the side surface of the inlet; the surfaces of the guide rods (23) are provided with second spray heads (24) which are uniformly distributed.
4. The special device for stabilizing the heavy metal in the sludge according to claim 3, which is characterized in that: the side surface of the inlet is provided with moving cavities which are uniformly distributed; pistons (25) are connected inside the moving cavities in a sliding manner; the side surfaces of the pistons (25) are fixedly connected with guide rods (23); the surfaces of the guide rods (23) are provided with uniformly arranged accommodating grooves; the insides of the accommodating grooves are all connected with a second spray head (24) in a sliding way; and elastic pads (26) are fixedly connected between the second spray head (24) and the bottoms of the corresponding accommodating grooves.
5. A method for stabilizing heavy metal in sludge is characterized by comprising the following steps: the stabilizing method is applicable to the special device for stabilizing the heavy metal in the sludge as claimed in any one of claims 1 to 4, and comprises the following stabilizing steps:
s1: firstly, a power supply is started, a power mechanism in the mud inlet pipe (4) is enabled to run to form negative pressure, the mud at the bottom of a river is directly sucked into the mud inlet pipe (4), and the mud is directly led into the treatment box (2) through the mud inlet pipe (4);
s2: then starting the motor (3), wherein the motor (3) can enable the first rotating column (9) to rotate, so that the first gear (8) can be driven to rotate, meanwhile, the second gear (11) and the second rotating column (12) can also be driven to rotate, the stirring shafts (10) can be driven to rotate through the first gear (8), and the adjacent stirring shafts (10) can rotate in the reverse direction, so that sludge is fully stirred and mixed;
s3: meanwhile, lime water is sprayed into the sludge of the treatment tank (2) through the first spray head (7), so that the stabilization treatment of heavy metals in the sludge is realized, and a disinfection effect is achieved;
s4: after the stabilization and disinfection treatment of the sludge are finished, the sludge is led out through the sludge outlet pipe (5), so that the treated sludge is led to the river bottom again, and the efficient stabilization and disinfection treatment of the river bottom sludge is further finished.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201125191Y (en) * | 2007-11-06 | 2008-10-01 | 宁波德安生态环保工程有限公司 | Aerator |
| CN107698019A (en) * | 2017-10-20 | 2018-02-16 | 郑东亮 | A kind of aeration tank for sanitary sewage disposal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207130122U (en) * | 2017-03-29 | 2018-03-23 | 匡新生 | A kind of processing system of riverway and lake heavy metal pollution bottom sludge |
| CN109516657A (en) * | 2017-09-18 | 2019-03-26 | 宁波瑞创环保科技有限公司 | A kind of solidification of sludge in-situ and stabilization treatment method |
| CN110029621A (en) * | 2018-01-08 | 2019-07-19 | 常州光标环保科技有限公司 | River bed sludge in-situ processing reuse method |
| CN209652101U (en) * | 2019-03-14 | 2019-11-19 | 毅康科技有限公司 | A kind of passivator administers the device of heavy metal in river sludge |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201125191Y (en) * | 2007-11-06 | 2008-10-01 | 宁波德安生态环保工程有限公司 | Aerator |
| CN107698019A (en) * | 2017-10-20 | 2018-02-16 | 郑东亮 | A kind of aeration tank for sanitary sewage disposal |
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