CN214276391U - Dredged soil dewatering and drying device - Google Patents

Abstract

The utility model relates to a dredged soil dehydration drying device, including dehydration mechanism and stoving mechanism, the bottom of dehydration mechanism is passed through the cutting machine and is connected with the top of stoving mechanism, and the discharge gate is connected through the track in the bottom of stoving mechanism. The filter screen of the dehydration mechanism is used for removing large-volume impurities, the influence of the impurities on the subsequent treatment process is avoided, most of free water of the dredged soil is extruded through pressure extrusion to form semisolid dredged soil, the separation of residual water in the dredged soil is accelerated by utilizing the centrifugal force generated by the rotation of the drying barrel of the drying mechanism, meanwhile, the contact area of hot air and the dredged soil is increased by the rotation of the stirring sheet to dry the combined water in the dredged soil, and finally, the completely dried dredged soil is obtained, and the dredged soil treatment efficiency is improved.

Description

Dredged soil dewatering and drying device

Technical Field

The utility model relates to a dredged soil treatment facility field specifically is a dredged soil dehydration drying device.

Background

At present, a large amount of dredged soil generated in dredging engineering is treated in a mode of abandoning or dumping the dredged soil into a mud throwing area defined by a water area near the engineering, so that the resource utilization of the dredged soil is limited. Dredged soil not only causes pollution to the ecological environment of a mud throwing area and the environment nearby, but also causes great waste of land resources. With the rapid development of the water transportation industry in China, the situation will be worsened more and more.

At present, the resource utilization of the dredged soil mainly comprises a hydraulic filling project, and then the dredged soil is developed to be used as a building material, such as bricks, and used as an admixture to replace part of aggregate to prepare concrete. Untreated dredged soil contains a large amount of water and more impurities, and the core technology for resource utilization of the dredged soil is drying and solidifying sludge, which is beneficial to reducing the transportation cost of the dredged soil.

The dredged sludge drying method of the prior engineering generally adopts fuel heating and drying, has long drying time, large energy consumption and high economic cost, and produces pollutants in the fuel heating process to influence the environmental quality.

SUMMERY OF THE UTILITY MODEL

One or more embodiments provide the following technical solutions:

the utility model provides a dredged soil dehydration drying device, includes dehydration mechanism and stoving mechanism, and the bottom of dehydration mechanism is passed through the cutting machine and is connected with the top of stoving mechanism, and the discharge gate is connected through the track in the bottom of stoving mechanism.

The dewatering mechanism comprises a first press machine arranged right above the top of the dewatering barrel, the first press machine is connected with a first push plate, and the first push plate moves along the vertical direction.

The lateral part of the dewatering barrel is provided with a second press machine which is connected with a second push plate, and the second push plate moves along the horizontal direction.

A feed inlet with a sealer is arranged on one side of the top of the dehydration barrel, a filter screen is arranged in the dehydration barrel, filter cloth, a cover plate and a drain pipe are sequentially arranged at the bottom of the dehydration barrel, and the tail end of the drain pipe is connected with a sealing valve; the filter screen is located the upside of second push pedal.

The bottom of the dewatering barrel is also provided with a cutting machine which is positioned at the lower side of the cover plate.

The drying mechanism comprises a drying barrel with a humidity sensor and an exhaust window, the drying barrel is connected with a motor at the bottom, the drying barrel motor drives the drying barrel to rotate, the generated centrifugal force accelerates the separation of water in the dredged soil, and the generated water vapor is discharged through the exhaust window.

The inside of the drying barrel is provided with a stirring sheet driven by a motor, and the stirring sheet motor drives the stirring sheet to rotate, so that the contact area of the dredged soil and hot air is enlarged, and the dredged soil is dried more quickly.

The air blower and the electric heating net are positioned on the side part of the drying barrel and are connected with the drying barrel through a pipeline, heated air is blown into the drying barrel, and under the cooperation of the stirring blades, drying of water in the dredged soil is accelerated.

The discharge hole connected with the crawler is positioned at the side part of the drying barrel, and the dredged soil after being dried is transported to the discharge hole through the crawler.

The above one or more technical solutions have the following beneficial effects:

1. the method comprises the steps of removing large-volume impurities through a filter screen, avoiding the influence of the impurities on the subsequent treatment process, extruding most free water of the dredged soil through pressure extrusion to form semisolid dredged soil, accelerating the separation of residual water in the dredged soil by utilizing centrifugal force generated by rotation of a drying box, increasing the contact area of hot air and the dredged soil through rotation of a stirring sheet, drying combined water in the dredged soil, and finally obtaining completely dried dredged soil.

2. The device is arranged vertically, the occupied area is small, gravity transmission can be fully utilized, the automation degree is high, and the operation is simple.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.

Fig. 1 is a schematic diagram of an overall structure provided by one or more embodiments of the present invention;

in the figure: 1. a first press machine; 2. a first push plate; 3. a sealer; 4. a feed inlet; 5. Filtering with a screen; 6. a dewatering barrel; 7. a second push plate; 8. a second press machine; 9. filtering cloth; 10. a cover plate; 11. a drain pipe; 12. sealing the valve; 13. a cutter; 14. a drying barrel; 15. a humidity sensor; 16. an exhaust window; 17. a stirring sheet; 18. a stirring blade motor; 19. a discharge port; 20. A crawler belt; 21. a drying tub motor; 22. an electric heating net; 23 blower.

Detailed Description

The following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Example 1:

as described in the background art, the core technology for resource utilization of dredged soil is drying and solidifying the sludge, and the device itself should reduce the floor space as much as possible. Therefore, in this embodiment, the metal filter screen is used to remove the impurities such as the large stones, the pressure is used to squeeze the dredged soil, most of the free water is separated, the centrifugal force generated by the rotation of the drying barrel is used to separate the residual water, and finally the stirring sheet and the hot air are used to dry the dredged soil.

As shown in fig. 1, the dredged soil dehydration and drying device comprises a dehydration mechanism and a drying mechanism, wherein the bottom of the dehydration mechanism is connected with the top of the drying mechanism through a cutting machine 13, dredged soil enters from a feed port 4 at the top of the dehydration mechanism, enters the drying mechanism after being dehydrated and cut, and is conveyed out to a discharge port 19 through a crawler 20 at the bottom of the drying mechanism after being dried.

The dehydration mechanism comprises a first press machine 1 arranged right above the top of a dehydration barrel 6, the first press machine 1 drives a first push plate 2, and the first push plate 2 extends into the dehydration barrel 6 along the vertical direction.

The lateral part of the dehydration barrel 6 is provided with a second press machine 8, the second press machine 8 drives a second push plate 7, and the second push plate 7 extends into the dehydration barrel 6 along the horizontal direction.

One side of the top of the dehydration barrel 6 is provided with a feed inlet 4 with a sealing device 3, the middle part of the dehydration barrel 6 is provided with a filter screen 5, the bottom of the dehydration barrel 6 is sequentially provided with a filter cloth 9, a cover plate 10 and a drain pipe 11, and the tail end of the drain pipe 11 is connected with a sealing valve 12.

The filter screen 5 is located the upside of second push pedal 7, and in this embodiment, filter screen 5 is the metal filter screen, also can choose for use other materials that satisfy the intensity demand.

The bottom of the dehydrating tub 6 is further provided with a cutter 13 at the lower side of the cover plate 10.

The working process of the dewatering mechanism is as follows: dredged soil enters a dewatering barrel 6 from a feed inlet 4, and a first press machine 1 drives a first push plate 2 to extrude the dredged soil to pass through a filter screen 5 so as to filter large-volume impurities such as stones; after the filtration is finished, the second press machine 8 drives the second push plate 7 to extrude the dredged soil to pass through the filter cloth 9, the extruded water enters the drain pipe 11 to be discharged, the cover plate 10 is opened, and the dredged soil after the water is extruded enters the drying mechanism after being cut into small blocks by the cutting machine 13.

The drying mechanism comprises a drying barrel 14, the upper part of the drying barrel is connected with a humidity sensor 15 and an exhaust window 16, the drying barrel 14 is connected with a drying barrel motor 21 positioned at the bottom, the drying barrel motor 21 drives the drying barrel 14 to rotate, the generated centrifugal force accelerates the separation of water in the dredged soil, and the generated water vapor is discharged through the exhaust window 16.

The drying barrel 14 is internally provided with a stirring blade 17 driven by a stirring blade motor 18, and the stirring blade motor 18 drives the stirring blade 17 to rotate, so that the contact area of the dredged soil and hot air is enlarged, and the dredged soil is dried more quickly.

The blower 23 and the electric heating net 22 are located at the side of the drying barrel 14, and are connected with the drying barrel 14 through a pipeline, and the heated air is blown into the drying barrel 14, so that the drying of the water in the dredged soil is accelerated under the cooperation of the stirring blades 17.

A discharge port 19 to which a crawler 20 is connected is located at a side of the drying tub 14, and the dried dredged soil is transported to the discharge port 19 by the crawler 20.

The working process of the device is as follows: taking the structural arrangement position shown in fig. 1 as an example, the sealer 3 is opened to feed the dredged soil into the dewatering barrel 6 through the feed port 4, then the first press 1 is opened, the dredged soil is moved toward the vertical direction by the first push plate 2, and the dredged soil enters the lower layer of the dewatering barrel 6 after being filtered by the metal filter screen 5. Keeping the first push plate 2 at the position of the metal filter screen 5, opening the sealing valve 12, starting the second press 8, extruding dredged soil through the second push plate 7, and discharging water extruded by the dredged soil through the drain pipe 11 after filtering through the filter cloth 9; the second press 8 is closed, the cover plate 10 is opened, the dredged soil passes through the cutter 13, and the dredged soil is cut up by the cutter 13 and then enters the drying tub 14. The blower 23 is turned on, the electric heating net 22 is turned on, the stirring sheet motor 18 is turned on to drive the stirring sheet 17 to rotate, the drying barrel motor 21 is turned on to drive the drying barrel 14 to rotate, and water vapor is discharged through the exhaust window 16. When the humidity sensor 15 detects that the humidity reaches the standard, the air blower 23 is turned off, the electric heating net 22 is turned off, the stirring sheet motor 18 is turned off, the drying barrel motor 21 is turned off, the discharge hole 19 is opened, the crawler 20 is started, and the dried dredging soil is conveyed out from the discharge hole.

Removing large-volume impurities through a filter screen, avoiding the influence of the impurities on the subsequent treatment process, extruding most of free water of the dredged soil through pressure extrusion to form semisolid dredged soil, accelerating the separation of residual water in the dredged soil by utilizing centrifugal force generated by the rotation of a drying box, simultaneously increasing the contact area of hot air and the dredged soil through the rotation of a stirring sheet, drying the combined water in the dredged soil, and finally obtaining completely dried dredged soil, thereby achieving the effect of saving energy, shortening the drying time and improving the treatment efficiency of the dredged soil; meanwhile, the device is arranged vertically, the occupied area is small, gravity transmission can be fully utilized, the automation degree is high, and the operation is simple.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims (8)

1. A dredged soil dehydration drying device is characterized in that: the automatic drying device comprises a dewatering mechanism and a drying mechanism, wherein the bottom of the dewatering mechanism is connected with the top of the drying mechanism through a cutting machine, and the bottom of the drying mechanism is connected with a discharge hole through a crawler;

the dehydration mechanism comprises a dehydration barrel, a first press machine is arranged right above the top of the dehydration barrel, a second press machine is arranged on the side part of the dehydration barrel, the second press machine is connected with a second push plate, and the second push plate moves along the horizontal direction; the inside filter screen that has of dewatering barrel, the filter screen is located one side that the second push pedal is close to the dewatering barrel top.

2. The dredged soil dewatering and drying apparatus of claim 1, wherein: the first press is connected with a first push plate, and the first push plate moves along the vertical direction.

3. The dredged soil dewatering and drying apparatus of claim 1, wherein: one side of the top of the dewatering barrel is provided with a feed inlet, the bottom of the dewatering barrel is sequentially provided with a filter cloth, a cover plate and a drain pipe, and the tail end of the drain pipe is connected with a sealing valve.

4. The dredged soil dewatering and drying apparatus of claim 1, wherein: the bottom of the dewatering barrel is also provided with a cutting machine.

5. The dredged soil dewatering and drying apparatus of claim 1, wherein: the drying mechanism comprises a drying barrel with a humidity sensor and an exhaust window, the drying barrel is connected with a motor at the bottom, and the drying barrel motor drives the drying barrel to rotate.

6. The dredged soil dewatering and drying apparatus of claim 5, wherein: the drying barrel is internally provided with a stirring sheet driven by a motor, and the stirring sheet motor drives the stirring sheet to rotate.

7. The dredged soil dewatering and drying apparatus of claim 5, wherein: the side part of the drying barrel is connected with the blower and the electric heating net through a pipeline.

8. The dredged soil dewatering and drying apparatus of claim 1, wherein: the discharge port is located on one side of the bottom of the drying barrel and is connected with the drying barrel through a crawler.

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