CN220999489U - Silt solidification preprocessing device - Google Patents

Abstract

The utility model discloses a sludge solidification pretreatment device, which comprises a box-type frame for bearing all working parts, a feed hopper arranged above the box-type frame, a gravity dewatering mechanism, a rolling dewatering mechanism and a flow guide piece, wherein the gravity dewatering mechanism and the rolling dewatering mechanism are arranged inside the box-type frame; a silt primary screening mechanism is arranged in the feed hopper; one end of the rolling dehydration mechanism is arranged below the feeding hopper, and the other end of the rolling dehydration mechanism is connected with the rolling dehydration mechanism; one end of the rolling dehydration mechanism is arranged below the tail end of the gravity dehydration mechanism, and the other end of the rolling dehydration mechanism is provided with a net roller and a rubber roller for rolling dehydration of sludge. The utility model has the characteristics of large treatment capacity, reduced water content of the sludge, environmental protection, high efficiency, multiple filtration and the like, can improve the efficiency and quality of sludge treatment, and ensures the safety and sustainable development of engineering construction.

Description

Silt solidification preprocessing device

Technical Field

The utility model relates to sludge treatment equipment, in particular to a sludge solidification pretreatment device.

Background

Sludge is a soft soil with a natural water content greater than the flowability limit and a porosity greater than 1.5. The method is a modern sediment formed under the condition of slow water flow in a bay, a lake biogas or a river bay and having the participation of microorganisms, is rich in organic matters, is often gray black, has low mechanical strength and strong compressibility, and is easy to cause the subsidence of a building if silt exists in a foundation, so that a silt layer in the foundation needs to be removed before the foundation is built, and the silt needs to be solidified for facilitating the transportation of the silt.

The sludge yield is huge and the processing capacity is a key issue. The existing curing device has limited processing capacity, cannot meet the processing requirement of large-scale sludge, has poor curing effect on sludge, has high water content after processing, is easier to overflow and pollute in the processing, transporting and disposing processes, and particularly when being transported to a landfill or a garbage stack, the high-water-content sludge is easier to cause the discharge and diffusion of waste percolate to increase the risk of environmental pollution.

Disclosure of utility model

The utility model aims to provide a sludge solidification pretreatment device, which aims to solve the problems that the existing sludge solidification device has small sludge treatment capacity and the treated sludge has high water content.

The utility model is realized in the following way: a sludge solidification pretreatment device, comprising: the box-type rack is used for bearing all working parts, and a feed hopper is arranged at the top of the box-type rack; the sludge primary screening mechanism is arranged in the feed hopper and is used for primarily screening the entering sludge; the gravity dewatering mechanism is arranged in the box-type frame, one end of the gravity dewatering mechanism is arranged below the feeding hopper, the other end of the gravity dewatering mechanism is connected with the rolling dewatering mechanism, and the gravity dewatering mechanism is used for carrying out rough filtration on the screened sludge; the rolling dehydration mechanism is arranged in the box-type frame, one end of the rolling dehydration mechanism is arranged below the tail end of the gravity dehydration mechanism, the other end of the rolling dehydration mechanism is provided with a net roller and a rubber roller, and the rolling dehydration mechanism is used for rolling and dehydrating the sludge; and the flow guide piece is arranged below the gravity dewatering mechanism and the rolling dewatering mechanism and is used for collecting water removed from the sludge.

Further, the sludge primary screening mechanism comprises two first filter cartridges, a first filter belt surrounding the two first filter cartridges, a plurality of baffles arranged on the first filter belt, and a screen plate positioned below the first filter cartridges and abutted against the baffles; one side of the feed hopper is provided with a primary screening discharging channel, and a bottom plate of the primary screening discharging channel is connected with the sieve plate. By arranging the baffle plate and the screen plate, most of solid caking and garbage in the sludge can be removed before the sludge enters the device.

Further, the gravity dewatering mechanism comprises a second filter cartridge, a third filter cartridge and a second filter belt surrounding the second filter cartridge and the third filter cartridge; a plurality of stop rods are arranged above the second filter belt, the stop rods are arranged in an array through connecting rods arranged on the box-type frame, and the lower ends of the stop rods are abutted to the second filter belt. Through setting up the pin, can break up the silt that piles up on the second filter screen, the exudation of moisture in the silt of can being convenient for more.

Further, the rolling dehydration mechanism comprises a fourth filter cylinder, a net roller, a third filter belt externally wound on the fourth filter cylinder and the net roller and a rubber roller arranged above the net roller; the two ends of the net roller and the two ends of the rubber roller are both connected with a third structural rod, the third structural rod is fixedly connected with the box-type frame, a groove rail is arranged on the third structural rod, a spring is arranged in the groove rail, one end of the spring is propped against the third structural rod, and the other end of the spring is propped against the mandrel of the rubber roller. The spring is used for propping against the mandrel of the rubber roll, so that enough clamping force exists between the net roll and the rubber roll, and the purpose of deep dehydration is achieved by rolling the third filter belt sludge through the net roll and the rubber roll.

Further, the outer sides of the net roller and the rubber roller are both provided with scrapers, a fastener is arranged above the rubber roller, one scraper is arranged on the fastener, and the other scraper is arranged on the box-type frame. By arranging the scraping plate, solidified sludge on the rubber roller and the third filter belt can be scraped.

Further, a water suction pump is arranged below the flow guide piece, the water suction pump is connected with a water treatment mechanism through a water pipe, and the water treatment mechanism comprises a dosing barrel, a first stirring rod arranged at the lower side of the dosing barrel and driven by a motor to rotate, and a water purifying bin arranged with the first stirring rod; the water purifying bin is communicated with the bin where the first stirring rod is located, and a filter plate is further arranged at the communication position of the two bins. By arranging the water treatment mechanism, simple precipitation disinfection is carried out on the tail water of the sludge, so that the pollution to the environment is reduced.

Further, a second stirring rod is arranged at the lower port of the feeding hopper, a plurality of stirring pieces are arranged on the second stirring rod, and the stirring pieces are of T-shaped.

The utility model has the following characteristics:

1. Large processing capacity: according to the utility model, a plurality of working components such as the feed hopper, the gravity dewatering mechanism and the rolling dewatering mechanism are arranged, so that a large amount of sludge can be efficiently treated, the sludge treatment efficiency can be improved, and the labor and time cost can be saved.

2. Reducing the water content of the sludge: the utility model combines the functions of the gravity dewatering mechanism and the roll dewatering mechanism, can effectively remove the water in the sludge, reduces the water content of the sludge, and makes the sludge easier to process, transport and dispose.

3. Multiple filtration: the device realizes the effect of multiple filtration through the arrangement of the sludge primary screening mechanism, the gravity dewatering mechanism and the rolling dewatering mechanism. Firstly, primarily filtering the sludge through a sieve plate and a filter belt of a primary screening mechanism to remove impurities with larger particles; then, the sludge enters a gravity dewatering mechanism, and on a second filter belt, the water and impurities of fine particles are further removed; finally, the sludge passes through a rolling dehydration mechanism, and most of the residual water is removed by rolling of a net roller and a rubber roller, so that solidified sludge is obtained, and the solidification effect and the product quality of the sludge are improved.

In conclusion, the utility model has the characteristics of large treatment capacity, reduced sludge water content, environmental protection, high efficiency, multiple filtration and the like, can improve the efficiency and quality of sludge treatment, and ensures the safety and sustainable development of engineering construction.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic top view of the present utility model.

Fig. 3 is a sectional view in the direction A-A of fig. 1.

In the figure: 1. a box-type frame; 2. a feed hopper; 3. a water treatment mechanism; 4. a flow guide; 5. a second filter cartridge; 6. a second filter belt; 7. a fourth filter cartridge; 8. a net roller mandrel; 9. a rubber roller mandrel; 11. a stop lever; 12. a first structural rod; 13. a second structural rod; 14. a fastener; 15. a third structural rod; 16. a grooved rail; 17. a spring; 18. a scraper; 21. a first filter cartridge; 22. a first filter belt; 23. a baffle; 24. a sieve plate; 25. a primary screening discharge channel; 26. a second stirring rod; 31. a medicine adding barrel; 32. a first stirring rod; 33. a filter plate; 34. a water purifying bin; 35. a valve; 41. A water pump; 42. a water pipe; 61. a third filter cartridge; 81. A wire roll; 91. and (5) a rubber roller.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 to 3, the utility model comprises a box-type frame 1, a feed hopper 2 is fixedly connected above the box-type frame 1, a water treatment mechanism 3 is fixedly connected on one side of the box-type frame 1, a flow guide piece 4 is fixedly connected inside the box-type frame 1, a plurality of connecting rods (not shown in the drawings) are fixedly connected on the box-type frame 1, a plurality of stop rods 11 are fixedly connected on each connecting rod, and the stop rods 11 are arranged in an array through the connecting rods. Preferably, the blocking rod 11 is prismatic, and the blocking rod 11 can break up the piled sludge. The two ends of the box-type frame 1 are fixedly connected with a first structural rod 12 and a second structural rod 13, the rear end of the box-type frame 1 is fixedly connected with a fastener 14, and the two ends of the fastener 14 are fixedly connected with a third structural rod 15. The third structural rod 15 is internally provided with a groove rail 16, a spring 17 is fixedly connected in the groove rail 16, and scraping plates 18 are fixedly connected to the fastener 14 and the box-type frame 1.

A second filter cartridge 5 is rotatably connected between the two first structural rods 12, a third filter cartridge 61 and a fourth filter cartridge 7 are rotatably connected between the two second structural rods 13, the second filter cartridge 5 is in transmission connection with the third filter cartridge 61 through a second filter belt 6, and the second filter cartridge 5 is driven by a motor. Specifically, when the sludge is above the second filter belt 6, most of the water is separated from the sludge by gravity by slowly rotating the second filter cartridge 5, and when the sludge passes through the second filter belt 6 between the second filter cartridge 5 and the third filter cartridge 61, the sludge above the second filter belt 6 is dispersed due to the blocking of the blocking lever 11, and when the sludge passes through the third filter cartridge 61, the sludge enters a third filter belt (not shown) between the fourth filter cartridge 7 and the mesh roll 81, and is subjected to secondary gravity dewatering.

The middle part at feeder hopper 2 rotates and is connected with two first filter cylinders 21, and the transmission is connected with first filter belt 22 between two first filter cylinders 21, fixedly connected with a plurality of baffles 23 on first filter belt 22, baffle 23 evenly arranges on first filter belt 22, and port fixedly connected with sieve 24 under feeder hopper 2, and the lower extreme butt of baffle 23 is in the upper surface of sieve 24. A primary screening discharging channel 25 is fixedly connected to one side of the feed hopper 2, and a bottom plate of the primary screening discharging channel 25 is connected with the screen plate 24. Specifically, the silt enters the feed hopper 2 through the upper port of the feed hopper 2, the motor rotates to drive the first filter cylinders 21 to rotate clockwise, when the first filter cylinders 21 rotate, the two first filter cylinders 21 drive the first filter belts 22 to enable the baffle plates 23 to rotate clockwise, when the baffle plates 23 rotate clockwise, the silt is moved to the lower part of the silt primary screening mechanism by the baffle plates 23, when the silt is positioned below, by arranging the screen plates 24, larger particles or garbage in the silt are blocked on the screen plates 24 and discharged out of the device through the primary screening discharge channels 25, and the fine silt passes through the screen plates 24 together with water.

The upper end of the water treatment mechanism 3 is fixedly connected with a dosing barrel 31, the lower end of the dosing barrel 31 is provided with a switch, the lower end of the switch is fixedly connected with a pipeline, the pipeline is led into the space on the right side of the water treatment mechanism 3, the upper end on the right side of the water treatment mechanism 3 is rotationally connected with a first stirring rod 32, the first stirring rod 32 is driven by a motor, the left side of the water treatment mechanism 3 is provided with a filter plate 33, a water purifying bin 34 is arranged below the filter plate 33, and the lower end of the water purifying bin 34 is fixedly connected with a valve 35. When water enters the bin on the right side of the water treatment mechanism 3, a switch at the lower end of the dosing barrel 31 is turned on, so that the medicament in the dosing barrel 31 enters the bin on the right side of the water treatment mechanism 3, and after the starting motor drives the first stirring rod 32 to rotate, the medicament and the water are fully mixed for reaction, harmful substances in the water are effectively removed, and when the treated water enters the water purification bin 34 after passing through the filter plate 33, the water in the water purification bin 34 can be discharged through the valve 35. A water suction pump 41 is fixedly connected below the flow guide piece 4, a water delivery pipe 42 is fixedly connected to the output end of the water suction pump 41, and the water delivery pipe 42 is communicated with a bin where the first stirring rod 32 is located.

The rubber roller mandrel 9 and the net roller mandrel 8 are rotationally connected between the two third structural rods 15, the net roller 81 is fixedly connected to the net roller mandrel 8, the rubber roller 91 is fixedly connected to the rubber roller mandrel 9, the fourth filter drum 7 is in transmission connection with the net roller 81 through a third filter belt, sludge on the third filter belt is extruded through the rubber roller 91 and the net roller 81, most of water in the sludge is separated, and the water enters the guide piece 4 through the third filter belt and is then conveyed into the water treatment mechanism 3.

In addition, the two ends of the second stirring rod 26 are rotatably connected with the inner wall of the box-type frame 1, and a plurality of stirring pieces, preferably T-shaped stirring pieces, are fixedly connected to the second stirring rod 26. The sludge is stirred uniformly by the arrangement of the second stirring rod 26. A plurality of stirring rods are fixedly connected to the first stirring rod 32, and the stirring rods are evenly distributed on the first stirring rod 32.

The first filter belt 21, the second filter belt 6 and the third filter belt are made of water permeable material, and the two scrapers 18 are respectively attached to the outer side of the mesh roll 81 and the outer side of the rubber roll 91. The sludge stuck to the outside of the fourth cartridge 7 and the rubber roller 91 is scraped off by the provision of the scraper 18.

When the utility model is used, the sludge is firstly fed into the feed hopper 2 through the upper port of the feed hopper 2, then the device is started, the motor drives the first filter cylinders 21 to rotate clockwise, when the first filter cylinders 21 rotate, the two first filter cylinders 21 drive the first filter belts 22 to rotate the baffle plates 23 clockwise, the sludge is moved to the lower part of the sludge primary screening mechanism by the baffle plates 23, when the sludge is positioned below, the screen plates 24 are arranged, larger particles or garbage in the sludge are blocked on the screen plates 24 and discharged out of the device through the primary screening discharge channels 25, and the fine sludge passes through the screen plates 24 together with water. When the sludge reaches the lower end of the feed hopper 2, the second stirring rod 26 rotates anticlockwise to stir the sludge, the sludge is discharged to the second filter belt 6 through a sludge outlet after being stirred, when the sludge is positioned above the second filter belt 6, partial water is separated from the sludge by gravity through the slow rotation of the second filter drum 5, meanwhile, when the sludge passes through the second filter belt 6 between the second filter drum 5 and the third filter drum 61, the sludge positioned above the second filter belt 6 is dispersed through the arranged stop lever 11, when the sludge passes through the third filter drum 61 and then enters the second filter belt 6 between the fourth filter drum 7 and the net roller 81, at the moment, the sludge is subjected to secondary gravity dehydration, and water discharged from the sludge after the secondary gravity dehydration enters the guide piece 4 through the extrusion of the rubber roller 91 and the net roller 81 in the rolling dehydration mechanism, so that most of water in the sludge is separated from the device, and then the solidified sludge on the third filter belt can be scraped off through the scraper 18. Finally, the water discharged by the sludge is pumped into the water delivery pipe 42 through the water suction pump 41 by the guide piece 4, the water is transported to the bin where the first stirring rod 32 is located through the water delivery pipe 42, when the water enters the bin on the right side of the water treatment mechanism 3, the switch on the lower end of the dosing barrel 31 is turned on, the medicament in the dosing barrel 31 enters the bin on the right side of the water treatment mechanism 3, after the first stirring rod 32 is driven by the starting motor to rotate, the medicament and the water are fully mixed and react, harmful substances in the water are effectively removed, and when the treated water enters the water purification bin 34 after passing through the filter plate 33, the water in the water purification bin 34 can be discharged through the valve 35.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (7)

1. A sludge solidification pretreatment device, characterized by comprising:

The box-type rack is used for bearing all working parts, and a feed hopper is arranged at the top of the box-type rack;

The sludge primary screening mechanism is arranged in the feed hopper and is used for primarily screening the entering sludge;

The gravity dewatering mechanism is arranged in the box-type frame, one end of the gravity dewatering mechanism is arranged below the feeding hopper, the other end of the gravity dewatering mechanism is connected with the rolling dewatering mechanism, and the gravity dewatering mechanism is used for carrying out rough filtration on the screened sludge;

The rolling dehydration mechanism is arranged in the box-type frame, one end of the rolling dehydration mechanism is arranged below the tail end of the gravity dehydration mechanism, the other end of the rolling dehydration mechanism is provided with a net roller and a rubber roller, and the rolling dehydration mechanism is used for rolling and dehydrating the sludge; and

And the flow guide piece is arranged below the gravity dewatering mechanism and the rolling dewatering mechanism and is used for collecting water separated from the sludge.

2. The sludge solidification pretreatment apparatus of claim 1 wherein the sludge primary screening mechanism comprises a first filter cartridge, a first filter belt surrounding two first filter cartridges, a plurality of baffles disposed on the first filter belt, and a screen panel positioned below the first filter cartridge and in abutment with the baffles; one side of the feed hopper is provided with a primary screening discharging channel, and a bottom plate of the primary screening discharging channel is connected with the sieve plate.

3. The sludge solidification pretreatment apparatus of claim 1, wherein the gravity dewatering mechanism comprises a second filter cartridge, a third filter cartridge, and a second filter belt surrounding the second filter cartridge and the third filter cartridge; a plurality of stop rods are arranged above the second filter belt, the stop rods are arranged in an array through connecting rods arranged on the box-type frame, and the lower ends of the stop rods are abutted to the second filter belt.

4. The sludge solidification pretreatment apparatus of claim 1, wherein the roll dewatering mechanism comprises a fourth filter cartridge, a mesh roll, a third filter belt externally wound on the fourth filter cartridge and the mesh roll, and a rubber roll disposed above the mesh roll; the two ends of the net roller and the two ends of the rubber roller are both connected with a third structural rod, the third structural rod is fixedly connected with the box-type frame, a groove rail is arranged on the third structural rod, a spring is arranged in the groove rail, one end of the spring is propped against the third structural rod, and the other end of the spring is propped against the mandrel of the rubber roller.

5. The sludge solidification pretreatment device of claim 4, wherein scrapers are arranged on the outer sides of the net roller and the rubber roller, fasteners are arranged above the rubber roller, one scraper is arranged on the fasteners, and the other scraper is arranged on the box-type frame.

6. The sludge solidification pretreatment device according to claim 1, wherein a water pump is arranged below the guide piece, the water pump is connected with a water treatment mechanism through a water pipe, and the water treatment mechanism comprises a dosing barrel, a first stirring rod which is arranged at the lower side of the dosing barrel and is driven to rotate by a motor, and a water purifying bin which is arranged with the first stirring rod in a spaced manner; the water purifying bin is communicated with the bin where the first stirring rod is located, and a filter plate is further arranged at the communication position of the two bins.

7. The sludge solidification pretreatment device of claim 1, wherein a second stirring rod is arranged at the lower port of the feed hopper, and a plurality of stirring pieces are arranged on the second stirring rod, and the stirring pieces are T-shaped.