CN213446771U - Excess sludge concentration device - Google Patents
Excess sludge concentration device Download PDFInfo
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- CN213446771U CN213446771U CN202021910674.2U CN202021910674U CN213446771U CN 213446771 U CN213446771 U CN 213446771U CN 202021910674 U CN202021910674 U CN 202021910674U CN 213446771 U CN213446771 U CN 213446771U
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Abstract
The utility model relates to a sewage treatment technical field specifically is a surplus sludge thickening device. The utility model discloses in, take out the mud after deposiing the secondary sedimentation tank to the concentrated pond through fortune mud pipe, mud freely falls through the wire side conveyer belt, debris or the mud filtration with bulky, under the transmission of roller, the wire side conveyer belt conveys bulky debris to storage mud pond direction, thereby bold mud drops to receiving the landing of sediment groove to storage mud pond at wire side conveyer belt right-hand member, the mud scraper will glue and also fall into and connect the sediment groove under the surperficial mud scraping of wire side conveyer belt, and simultaneously, partial bold debris are cut apart by the wire side conveyer belt under the effect of gravity, thereby bulky debris reduce in the mud, thereby avoided follow-up dehydration in-process to block up filtration device, and then improved the concentrated efficiency of mud, the concentrated cost of mud has been reduced.
Description
Technical Field
The utility model relates to a sewage treatment technical field specifically is a surplus sludge thickening device.
Background
Sludge is a byproduct generated in the sewage treatment process and consists of water and solid sediment generated in the sewage treatment process, and sludge dewatering is a sludge treatment method for concentrating or digesting sludge to remove water and converting the sludge into semisolid or solid sludge blocks. Energy conservation and emission reduction are one of the basic national policies for the sustainable development of the economy in China, and the treatment technology of sludge dehydration is continuously developed along with the enhancement of water environment treatment and protection.
The existing sludge concentration and dehydration technical method is mainly to directly pour the slurry collected by the secondary sedimentation tank into a thickener for treatment, and large-volume impurities or large-particle impurities are not removed in advance for the sludge to be dehydrated, or the slurry collected by the secondary sedimentation tank is filtered by a simple grid. The technical problem is caused by two points: 1) the infiltration device is easily blocked by large-volume sundries or large-particle impurities, and the large-volume sundries or the large-particle impurities are easily attached to the surface of the infiltration device, so that the covered part of the infiltration device cannot be subjected to normal infiltration work, and the dehydration efficiency of the whole machine is reduced. 2) The method of filtering out the large-volume impurities by using the simple grating is inconvenient to clean the grating, so that the grating is easy to block, and the filtering effect is low.
Disclosure of Invention
To the above-mentioned problem that prior art exists, the to-be-solved technical problem of the utility model is: the slurry is not pretreated before entering the thickener, so that a percolation device of the thickener is easily blocked, the filtration effect of the filtration device is low, and the requirements on sludge pretreatment cannot be met while working procedures are increased.
In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a surplus sludge thickening device, the device includes concentrated pond, stores up mud pond, fortune mud pipe, concentrated subassembly, mud scraper, driving motor and connects the sediment groove.
The concentrated pond is located and stores up mud pond left side, and concentrated pond and the same pool wall of storage mud pond sharing, concentrated bottom of the pool center is equipped with row mud mouth.
The sludge conveying pipe is transversely arranged, and the output end of the sludge conveying pipe is positioned above the concentration tank.
Concentrated subassembly is fixed to be set up between concentrated pond and fortune mud pipe output, concentrated subassembly includes: a roll shaft and a web-side conveyor belt.
The roller has two, and two rollers all are parallel with the pool wall of concentrated pond and storage mud pond both sharing, two rollers all are located between the concentrated pond left and right sides bank, and two rollers correspond the bank with concentrated pond and have the interval, the right side roller is higher than the left side roller.
The net surface conveyor belt is installed in a matched mode with the roller shaft, and the roller shaft can drive the net surface conveyor belt to transmit.
The mud scraper is fixedly arranged below the right end of the net surface conveyor belt, the upper end of the mud scraper is in surface contact with the net surface conveyor belt, and the width of the mud scraper is equal to that of the net surface conveyor belt.
The driving motor is positioned on the pond bank and drives at least one of the roll shafts to rotate.
The slag receiving groove is fixedly arranged above the shared pool wall of the concentration pool and the mud storage pool, the left end of the slag receiving groove extends to the lower part of the mud scraping plate, the right end of the slag receiving groove extends to the upper part of the mud storage pool, the left end of the slag receiving groove is higher than the right end of the slag receiving groove, and the width of the slag receiving groove is larger than that of the mud scraping plate.
The utility model discloses in, take out the mud after deposiing the secondary sedimentation tank to the concentrated pond through fortune mud pipe, mud freely falls through the wire side conveyer belt, debris or the mud filtration with bulky, under the transmission of roller, the wire side conveyer belt conveys bulky debris to storage mud pond direction, thereby bold mud drops to receiving the landing of sediment groove to storage mud pond at wire side conveyer belt right-hand member, the mud scraper will glue and also fall into and connect the sediment groove under the surperficial mud scraping of wire side conveyer belt, and simultaneously, partial bold debris are cut apart by the wire side conveyer belt under the effect of gravity, thereby bulky debris reduce in the mud, thereby avoided follow-up dehydration in-process to block up filtration device, and then improved the concentrated efficiency of mud, the concentrated cost of mud has been reduced.
Preferably, still include and scrape the mud subassembly, it includes left connecting rod, right connecting rod to scrape the mud subassembly, left movable sleeve, right movable sleeve and connecting plate. The left connecting rod and the right connecting rod are respectively positioned on two sides of the mud scraping plate, the left connecting rod and the right connecting rod are of the same structure and are of an inverted L-shaped structure, and the short side end of the left connecting rod and the short side end of the right connecting rod are fixedly connected with the tank wall corresponding to the concentration tank.
The left movable sleeve is sleeved on the left connecting rod, the left movable sleeve is in sliding fit with the left connecting rod, the right movable sleeve is sleeved on the right connecting rod, and the right movable sleeve is in sliding fit with the right connecting rod.
The long edge lower extreme of left side connecting rod and right connecting rod all is provided with anti-falling device. All the springs are sleeved on the left connecting rod and the right connecting rod, and the springs are located between the left movable sleeve and the right movable sleeve and the corresponding anti-falling device.
The connecting plate is fixedly arranged between the left movable sleeve and the right movable sleeve, and the mud scraping plate is fixedly connected with the connecting plate.
The net surface conveyer belt can shake in the course of the work, can inevitably produce the clearance with the mud scraper, can lead to net surface conveyer belt surface to cause mud to pile up, through the use of mud scraper subassembly, can make the mud scraper can remain throughout with net surface conveyer belt surface contact, can in time clear up the mud of net surface conveyer belt surface adhesion.
Preferably, the anti-falling device is a nut which is installed in a matched mode with the left connecting rod and the right connecting rod. The stroke size that can adjust the spring of use of nut guarantees the scraper and net face conveyer belt surface contact, has also guaranteed simultaneously that the spring has certain shrink to make the scraper can all the time with net face conveyer belt surface contact.
Preferably, the output end of the mud conveying pipe is fixedly provided with a mud dropping opening, the right section of the mud dropping opening is isosceles trapezoid, the opening of the mud dropping opening faces downwards, and the length of the bottom edge of the isosceles trapezoid of the mud dropping opening is smaller than the width of the mesh surface conveying belt. The output end uses the thick liquid mouth that falls of trapezoidal form, and under the mud flow strikes, the thick liquid mouth that falls can scatter to the mud that falls in transporting mud pipe, makes the whole surface of wire side conveyer belt all can filter mud and cut apart, reduces the impact of mud to the wire side conveyer belt, increases the life-span of wire side conveyer belt.
Preferably, still include the crane, the crane is located between fortune mud pipe and the bank, and crane one end and fortune mud pipe surface fixed connection, the other end and concentrated pond left side bank fixed connection. The lifting frame is arranged, and the height of the slurry falling to the mesh surface conveyor belt can be adjusted according to the concrete condition of the slurry conveyed from the secondary sedimentation tank. When the mud is more in the bulky debris that can not be cut apart by the wire side conveyer belt, or hope that more the mud gets into the mud storage tank through the wire side conveyer belt, reduce mud whereabouts height, make debris and mud can more steady fall on the wire side conveyer belt, when the mud is less in the bulky debris that can not be cut apart by the wire side conveyer belt, or hope that more the mud carries out dehydration through subsequent step, increase mud whereabouts height, make debris and mud can be more cut apart by the wire side conveyer belt and form the fritter, discharge through the mud discharge opening of concentrated pond lower extreme.
Preferably, the sludge pump is further included, and the sludge pumping input end is connected with the sludge discharge port through a sludge discharge pipe. The mud pump can discharge mud which is divided and filtered by the mesh surface conveyor belt more smoothly, so that the slow mud discharging efficiency of the mud discharging port is avoided, and the efficiency of the mud pretreatment is reduced.
Preferably, the sludge collecting device further comprises a sludge collecting assembly, wherein the sludge collecting assembly is positioned at the bottom in the sludge storage pool; the mud lifting assembly comprises a mud lifting plate and a mud lifting frame, the left side of the upper surface of the mud lifting plate is higher than the right side of the upper surface of the mud lifting plate, a filter screen is arranged at the right end of the mud lifting plate, and four side surfaces of the mud lifting plate are in sliding fit with the wall of the mud storage pool; the mud lifting frame is fixedly arranged between the mud lifting plate and the bottom wall of the mud storage pool, and the mud lifting frame is of an upper and lower telescopic structure. Play the mud frame and play the use of mud board, on the one hand, can be with the water in the mud that connects the sediment groove to be dripped to storing up mud bottom under the action of gravity, carry out the gravity dehydration to mud, on the other hand, play the mud frame and can upwards rise the mud board, conveniently shift the mud that stores up in the mud pond, carry out processing on next step.
Preferably, a water outlet is formed in the bottom of the sludge storage pool and is located below the filter screen. The mud that plays the mud board and will collect filters at the action of gravity, and partial water drips to storing up mud bottom of the pool through the filter screen in mud, and the outlet is in time got rid of these waters, avoids playing the erosion that mud frame received water, influences the life-span.
Compared with the prior art, the utility model discloses at least, following advantage has:
1) the utility model provides an among the technical scheme, mud after two heavy ponds deposit is taken out to the concentrated pond through fortune mud pipe, mud freely falls through the wire side conveyer belt, with bulky debris or mud filtration, under the transmission of roller, the wire side conveyer belt conveys bulky debris to storage mud pond direction, thereby bold mud drops to connecing the landing of sediment groove to storage mud pond at wire side conveyer belt right-hand member, the mud scraper will glue and also fall into and connect the sediment groove under the mud scraping on wire side conveyer belt surface, and simultaneously, partial bold debris is cut apart by the wire side conveyer belt under the effect of gravity for bulky debris reduces in the mud. The blockage of the infiltration device in the subsequent dehydration process can be effectively avoided, the maintenance cost of the sludge dehydration equipment is saved, the sludge concentration efficiency is improved, and the sludge concentration cost is reduced.
2) This device simple structure, the consumer is few, and it is convenient to maintain, stores up the mud pond and has carried out dehydration in advance to the mud of collecting through the mode of gravity to the use that plays the mud frame has made things convenient for and has shifted the mud of collecting in storing up the mud pond, and the outlet that stores up the mud pond lower extreme can also collect the water of straining and flow back to two heavy ponds in, has avoided storing up mud pond bottom and has played the mud frame and corroded by sewage, has effectively reduced and has maintained the degree of difficulty and maintenance cost.
Drawings
FIG. 1 is a schematic sectional view of the entire apparatus in front elevation.
Fig. 2 is a schematic perspective view of the whole device.
Fig. 3 is a schematic perspective view of an area a in fig. 2.
Fig. 4 is a schematic perspective view of an assembled mud scraping assembly according to an embodiment.
FIG. 5 is a perspective view of the internal components of the mud storage tank according to the embodiment.
In the figure, 1-concentration tank, 11-sludge discharge port, 12-sludge pump, 2-sludge storage tank, 21-water discharge port, 22-sludge lifting plate, 23-filter screen, 24-sludge lifting frame, 3-sludge conveying pipe, 31-slurry dropping port, 32-lifting frame, 4-concentration component, 41-roller shaft, 42-bracket, 43-mesh conveyor belt, 5-sludge scraping component, 51-sludge scraping plate, 52-left connecting rod, 53-right connecting rod, 54-left movable sleeve, 55-right movable sleeve, 56-connecting plate, 57-nut, 58-spring, 6-driving motor, 61-driving belt, 62-driving wheel and 7-sludge receiving tank.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in fig. 1, and are only used for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention; the terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the utility model provides the following technical scheme: the utility model provides a surplus sludge thickening device, includes concentrated pond 1, stores up mud pond 2, fortune mud pipe 3, concentrated subassembly 4, scrapes mud subassembly 5 and driving motor 6.
Concentrated pond 1 is located and stores up mud pond 2 left sides, and concentrated pond 1 with store up the same pool wall of mud pond 2 sharing, 1 bottom center in concentrated pond is equipped with row mud mouth 11.
The output end of the sludge conveying pipe 3 is positioned above the concentration tank 1.
The concentration component 4 is fixedly arranged between the concentration tank 1 and the output end of the sludge conveying pipe 3.
The thickening assembly 4 comprises: a roller 41 and a web conveyor 43; the number of the roll shafts 41 is two, the two roll shafts 41 are parallel to the shared wall of the concentration tank 1 and the sludge storage tank 2, the two roll shafts 41 are located between the left and right sides of the tank bank of the concentration tank 1, the two roll shafts 41 are spaced from the corresponding tank bank of the concentration tank 1, and the right roll shaft 41 is higher than the left roll shaft 41; the net surface conveyor belt 43 is installed in a matched mode with the roller shaft 41, and the roller shaft 41 rotates to drive the net surface conveyor belt 43 to transmit.
In specific implementation, a scheme for fixing the roll shaft 41 is provided, as shown in fig. 3, two ends of the roll shaft 41 are connected with a bracket 42 through a rotating shaft, and the bracket 42 is fixed on the pond bank through bolts.
The mud scraper 51 is fixedly arranged below the right end of the net surface conveyor belt 43, the upper end of the mud scraper 51 is in surface contact with the net surface conveyor belt 43, and the width of the mud scraper 51 is equal to that of the net surface conveyor belt 43.
In specific implementation, the mud scraping plate 51 and the mud scraping assembly 5 work together to scrape mud on the mesh-surface conveyor belt 43, and the mud scraping assembly 5 comprises a left connecting rod 52, a right connecting rod 53, a left movable sleeve 54, a right movable sleeve 55 and a connecting plate 56;
the left connecting rod 52 and the right connecting rod 53 are respectively positioned at two sides of the mud scraper 51, the left connecting rod 52 and the right connecting rod 53 have the same structure and are of inverted L-shaped structures, and the short edge end of the left connecting rod 52 and the short edge end of the right connecting rod 53 are fixedly connected with the corresponding tank wall of the concentration tank 1;
in specific implementation, the short side end of the left connecting rod 52 and the short side end of the right connecting rod 53 are respectively welded and fixed on the brackets 42 at the two sides of the concentration tank 1.
The left movable sleeve 54 is sleeved on the left connecting rod 52, the left movable sleeve 54 is in sliding fit with the left connecting rod 52, the right movable sleeve 55 is sleeved on the right connecting rod 53, and the right movable sleeve 55 is in sliding fit with the right connecting rod 53;
the lower ends of the long sides of the left connecting rod 52 and the right connecting rod 53 are provided with anti-falling devices;
the left connecting rod 52 and the right connecting rod 53 are sleeved with springs 58, and the springs 58 are positioned between the left movable sleeve 54 and the right movable sleeve 55 and the corresponding anti-falling devices;
the connecting plate 56 is fixed between the left movable sleeve 54 and the right movable sleeve 55 by welding, and the mud scraper 51 and the connecting plate 56 are fixed by welding.
In specific implementation, the anti-dropping device is a nut 57 installed in cooperation with the left connecting rod 52 and the right connecting rod 53. The stroke size that can adjust the spring of use of nut guarantees the scraper and net face conveyer belt surface contact, has also guaranteed simultaneously that the spring has certain shrink to make the scraper can all the time with net face conveyer belt surface contact.
The driving motor 6 is located on the pond bank, and the driving motor 6 drives at least one of the roller shafts 41 to rotate.
In specific implementation, the two driving motors 6 are used for respectively driving the two roller shafts 41 to rotate together, and the rotating directions of the roller shafts 41 are consistent.
In a specific implementation, a scheme is provided for driving the roller shaft 41 to rotate by the driving motor 6, as shown in fig. 3, the driving motor 6 rotates the roller shaft 41 through the transmission wheel 62 and the transmission belt 61.
Connect sediment groove 7 to pass through support and bolt fastening and set up in concentrated pond 1 and storage mud pit 2 shared pool wall top, connect horizontal setting about sediment groove 7, and connect sediment groove 7 left end to extend to mud scraper 51 below, connect sediment groove 7 right-hand member to extend to storage mud pit 2 top, connect sediment groove 7 left end to be higher than and connect sediment groove 7 right-hand member, connect the width that sediment groove 7 width is greater than mud scraper 51. Use and connect sediment groove 7 to make this device suitability wider, if directly with the setting of wire side conveyer belt 43 right-hand member in storage mud pond 2 tops, increased the cost on the one hand, sewage can drip to the pond wall between concentrated pond 1 and the storage mud pond 2 in the on the other hand data send process and cause environmental pollution. The left end of the slag receiving groove 7 is higher than the right end, so that sludge sundries falling into the slag receiving groove 7 can slide into the sludge storage tank 2 through gravity.
During specific implementation, the output end of the mud conveying pipe 3 is welded with a mud dropping port 31, the right viewing section of the mud dropping port 31 is isosceles trapezoid, the opening of the mud dropping port 31 faces downwards, and the length of the bottom edge of the isosceles trapezoid of the mud dropping port 31 is smaller than the width of the mesh surface conveyor belt 43. The output end uses trapezoidal thick liquid mouth 31 that falls, and under the mud flow impact, the thick liquid mouth 31 that falls can scatter the mud in the fortune mud pipe 3 and fall the thick liquid downwards, makes the whole surface of wire side conveyer belt 43 all can filter mud and cut apart, reduces the impact of mud to wire side conveyer belt 43, increases the life-span of wire side conveyer belt 43.
During the concrete implementation, still include crane 32, crane 32 is located between fortune mud pipe 3 and the bank of pool, and crane 32 one end passes through bolt fixed connection with fortune mud pipe 3 surface, and the other end passes through the bolt fastening on concentrated pond 1 left side bank of pool. The crane 32 can adjust the height of the slurry falling to the mesh surface conveyor belt 43 according to the specific condition of the slurry conveyed from the secondary sedimentation tank. When the mud has more large-volume impurities which cannot be separated by the mesh surface conveyor belt 43 or more sludge is expected to enter the mud storage pool 2 through the mesh surface conveyor belt 43, the falling height of the mud is reduced, so that the impurities and the sludge can fall on the mesh surface conveyor belt 43 more stably and are conveyed to the mud storage pool 2 for storage; when the slurry has less bulky impurities which cannot be divided by the wire-surface conveyor 43 or the sludge is desired to be more dewatered in the subsequent step, the falling height of the slurry is increased so that the impurities and the sludge can be more divided into small pieces by the wire-surface conveyor 43 and discharged through the sludge discharge port 11 at the lower end of the thickening tank 1.
In a specific embodiment, the mesh-side conveyor 43 is made of a wear-resistant and corrosion-resistant material. According to the technical scheme provided by the invention, the slurry obtained from the secondary sedimentation tank can be continuously concentrated and filtered, the scouring of the slurry on the mesh surface conveyor belt 43 is continuous, the service life of the mesh surface conveyor belt 43 can be prolonged by using wear-resistant and corrosion-resistant materials, and the maintenance cost is reduced.
When the sludge pump is specifically implemented, a sludge pump 12 is further arranged, and the sludge pumping input end is connected with the sludge discharge port 11 through a sludge discharge pipe. The mud pump 12 can discharge mud which is divided and filtered by the mesh surface conveyor belt 43 more smoothly, and slow mud discharging efficiency of the mud discharging port 11 is avoided, so that the efficiency of sludge pretreatment is reduced.
In specific implementation, the sludge-removing device also comprises a sludge-removing component, wherein the sludge-removing component is positioned at the bottom in the sludge storage pool 2; the mud lifting assembly comprises a mud lifting plate 22 and a mud lifting frame 24, the left side of the upper surface of the mud lifting plate 22 is higher than the right side, a filter screen 23 is arranged at the right end of the mud lifting plate 22, and four side surfaces of the mud lifting plate 22 are in sliding fit with the wall of the mud storage pool 2; the mud lifting frame 24 is fixedly arranged between the mud lifting plate 22 and the bottom wall of the mud storage pool 2, and the mud lifting frame 24 is of an up-down telescopic structure. Play mud frame 24 and the use of play mud board 22, on the one hand, can be with the water in the mud that receives sediment groove 7 collection under the action of gravity by drippage to storage mud pond 2 bottom, carry out the gravity dehydration to mud, on the other hand, play mud frame 24 can be with playing mud board 22 ascending lifting, more conveniently shift the mud in the storage mud pond 2, make things convenient for processing on next step.
In specific implementation, the bottom of the sludge storage tank 2 is provided with a water outlet 21, and the water outlet 21 is positioned below the filter screen 23. The mud collecting plate 22 filters the collected mud under the action of gravity, partial water in the mud drops to the bottom of the mud storage pool 2 through the filter screen 23, and the water is discharged in time through the water outlet 21, so that the erosion of the mud collecting frame 24 receiving the water is avoided, and the service life is prevented from being influenced.
The utility model discloses a theory of operation is:
the power supply of the driving motor 6 is turned on, the driving motor 6 works to drive the transmission belt 61 connected to the output ends of the roller shaft 41 and the driving motor 6 to move clockwise, so that the roller shaft 41 rotates clockwise, the left roller shaft 41 and the right roller shaft 41 enable the mesh surface conveyor belt 43 to be tightened, and the rotation of the roller shaft 41 enables the mesh surface conveyor belt 43 to transmit clockwise.
The sludge slurry in the sludge conveying pipe 3 has certain impact force to impact the slurry falling port 31, the slurry falls downwards along the side wall of the slurry falling port 31 vertical to the flowing direction of the slurry, the slurry falls to the net surface conveyor belt 43, and a part of large-volume impurities in the slurry are caught by the net surface conveyor belt 43; another portion of the bulk debris is separated by the wire side conveyor 43 under the impact of gravity and subsequent slurry and then falls to the thickening tank 1.
The mud which is divided and can directly pass through the mesh surface conveyor belt 43 is pumped out from the mud discharge port 11 under the action of the mud pump 12, and then the mud is dehydrated; the sundries and sludge on the surface of the mesh conveyor belt 43 directly fall to the slag receiving tank 7 at the right end of the mesh conveyor belt 43 on one hand, and the sundries and sludge adhered to the surface of the mesh conveyor belt 43 are scraped by the mud scraper 51 positioned below the right end of the mesh conveyor belt 43 on the other hand, so that the sundries and sludge fall to the slag receiving tank 7. The scraper 51 will always cling to the surface of the mesh-surface conveyor belt 43 under the action of the spring 58, ensuring that no sludge is always accumulated on the surface of the conveyor belt.
The sludge sundries in the slag receiving groove 7 slide down to the sludge storage tank 2 along the length direction of the slag receiving groove 7 under the action of gravity, the sludge sundries accumulated in the sludge storage tank 2 still contain certain moisture, the upper surface of the sludge lifting plate 22 inclines to enable the moisture in the sludge sundries to flow rightwards under the action of gravity, and the sludge sundries are left on the sludge lifting plate 22 because the filter screen 23 on the right side of the sludge lifting plate 22 can only allow water to pass through, and the water drops downwards to the bottom of the sludge storage tank 2. When the sludge in the sludge storage tank 2 needs to be cleaned, the sludge lifting frame 24 lifts the sludge lifting plate 22 upwards, so that the sludge in the sludge storage tank 2 is convenient to collect.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (8)
1. The residual sludge thickening device is characterized in that: comprises a concentration tank (1), a sludge storage tank (2), a sludge conveying pipe (3), a concentration component (4), a sludge scraper (51), a driving motor (6) and a slag receiving groove (7);
the concentration tank (1) is positioned on the left side of the sludge storage tank (2), the concentration tank (1) and the sludge storage tank (2) share the same tank wall, and a sludge discharge port (11) is formed in the center of the bottom of the concentration tank (1);
the sludge conveying pipe (3) is transversely arranged, and the output end of the sludge conveying pipe (3) is positioned above the concentration tank (1);
the concentration component (4) is fixedly arranged between the concentration tank (1) and the output end of the sludge conveying pipe (3);
the thickening assembly (4) comprises: a roller shaft (41) and a mesh surface conveyor belt (43);
the two roll shafts (41) are parallel to the shared wall of the concentration tank (1) and the sludge storage tank (2), the two roll shafts (41) are positioned between the left and right side banks of the concentration tank (1), a distance is reserved between the two roll shafts (41) and the corresponding banks of the concentration tank (1), and the roll shaft (41) on the right side is higher than the roll shaft (41) on the left side;
the mesh surface conveyor belt (43) is matched with the roller shaft (41), and the roller shaft (41) rotates to drive the mesh surface conveyor belt (43) to transmit;
the mud scraper (51) is fixedly arranged below the right end of the net surface conveyor belt (43), the upper end of the mud scraper (51) is in surface contact with the net surface conveyor belt (43), and the width of the mud scraper (51) is equal to that of the net surface conveyor belt (43);
the driving motor (6) is positioned on the pond bank, and the driving motor (6) drives at least one of the roll shafts (41) to rotate;
connect fixed the setting in pond wall top that concentrated pond (1) and storage mud pond (2) shared of sediment groove (7), and connect sediment groove (7) left end to extend to mud scraper (51) below, connect sediment groove (7) right-hand member to extend to storage mud pond (2) top, connect sediment groove (7) left end to be higher than and connect sediment groove (7) right-hand member, connect the width that sediment groove (7) width is greater than mud scraper (51).
2. The excess sludge thickening apparatus according to claim 1, wherein: the mud scraping device is characterized by further comprising a mud scraping assembly (5), wherein the mud scraping assembly (5) comprises a left connecting rod (52), a right connecting rod (53), a left movable sleeve (54), a right movable sleeve (55) and a connecting plate (56);
the left connecting rod (52) and the right connecting rod (53) are respectively positioned at two sides of the mud scraper (51), the left connecting rod (52) and the right connecting rod (53) have the same structure and are of inverted L-shaped structures, and the short side end of the left connecting rod (52) and the short side end of the right connecting rod (53) are fixedly connected with the corresponding tank wall of the concentration tank (1);
the left movable sleeve (54) is sleeved on the left connecting rod (52), the left movable sleeve (54) is in sliding fit with the left connecting rod (52), the right movable sleeve (55) is sleeved on the right connecting rod (53), and the right movable sleeve (55) is in sliding fit with the right connecting rod (53);
the lower ends of the long sides of the left connecting rod (52) and the right connecting rod (53) are provided with anti-falling devices;
springs (58) are sleeved on the left connecting rod (52) and the right connecting rod (53), and the springs (58) are positioned between the left movable sleeve (54) and the right movable sleeve (55) and the corresponding anti-falling device;
the connecting plate (56) is fixedly arranged between the left movable sleeve (54) and the right movable sleeve (55), and the mud scraper (51) is fixedly connected with the connecting plate (56).
3. The excess sludge thickening apparatus according to claim 2, wherein: the anti-falling device is a nut (57) which is matched with the left connecting rod (52) and the right connecting rod (53) for installation.
4. The excess sludge thickening apparatus according to claim 3, wherein: the mud conveying pipe is characterized in that a mud dropping port (31) is fixedly arranged at the output end of the mud conveying pipe (3), the right viewing section of the mud dropping port (31) is isosceles trapezoid, the opening of the mud dropping port (31) faces downwards, and the length of the bottom edge of the isosceles trapezoid of the mud dropping port (31) is smaller than the width of the mesh surface conveyor belt (43).
5. The excess sludge thickening apparatus according to claim 4, wherein: still include crane (32), crane (32) are located between fortune mud pipe (3) and the bank, and crane (32) one end and fortune mud pipe (3) surface fixed connection, the other end and concentrated pond (1) left side bank fixed connection.
6. The excess sludge thickening apparatus according to claim 5, wherein: the sludge pump is characterized by further comprising a sludge pump (12), wherein the sludge pumping input end of the sludge pump (12) is connected with the sludge discharge port (11) through a sludge discharge pipe.
7. The excess sludge thickening apparatus according to claim 6, wherein: the sludge lifting component is positioned at the bottom in the sludge storage pool (2);
the mud lifting assembly comprises a mud lifting plate (22) and a mud lifting frame (24), the left side of the upper surface of the mud lifting plate (22) is higher than the right side, a filter screen (23) is arranged at the right end of the mud lifting plate (22), and four side surfaces of the mud lifting plate (22) are in sliding fit with the wall of the mud storage pool (2);
the mud lifting frame (24) is fixedly arranged between the mud lifting plate (22) and the bottom wall of the mud storage pool (2), and the mud lifting frame (24) is of an up-down telescopic structure.
8. The excess sludge thickening apparatus according to claim 7, wherein: the bottom of the sludge storage pool (2) is provided with a water outlet (21), and the water outlet (21) is positioned below the filter screen (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021910674.2U CN213446771U (en) | 2020-09-04 | 2020-09-04 | Excess sludge concentration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021910674.2U CN213446771U (en) | 2020-09-04 | 2020-09-04 | Excess sludge concentration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213446771U true CN213446771U (en) | 2021-06-15 |
Family
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114477531A (en) * | 2022-01-20 | 2022-05-13 | 李涛 | Medical wastewater purification treatment device |
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