CN205740700U - A kind of sludge treatment equipment for power station - Google Patents

Abstract

The utility model discloses a sludge treatment device for a hydropower station, which comprises a treatment box, in which a feeding cavity, a lifting cavity, an extrusion cavity and a conveying cavity are sequentially arranged from left to right, and the feeding cavity There is a filter plate under the cavity, lifting cavity and extrusion cavity, and a liquid collection cavity is set under the filter plate; a vertical rotating shaft is arranged in the lifting cavity, and a spiral blade is arranged on the outer wall of the rotating shaft. There is a cavity inside the rotating shaft, and there are multiple air outlet holes on the outer wall of the rotating shaft, the cavity is connected with a hot air source; an inclined extrusion plate is fixed in the extrusion cavity, and the extrusion plate is provided with a The inclined lower pressing plate corresponding to the extrusion plate, the upper end of the lower pressing plate is fixedly connected to the piston rod of the lower pressing cylinder; the conveying chamber is provided with a conveyor belt, a hydraulic device, a hydraulic telescopic column and a shaping plate, and the hydraulic telescopic column Connected to the lower part of the hydraulic unit. The utility model has the advantages of high drying efficiency, and can effectively extrude and transport the dried sludge.

Description

A sludge treatment device for hydropower stations

Technical field:

The utility model relates to the technical field of sludge treatment equipment, in particular to a sludge treatment device for a hydropower station.

Background technique:

At present, hydropower stations use the drop of concentrated natural water flow in buildings to form a water head, collect and adjust the flow of natural water flow, and convert the concentrated water energy into electrical energy. When the dry season comes, the water level in the reservoir drops, and the sludge in the reservoir will be revealed. The organic content in the sludge is high, it is easy to rot and smell, and pollutes the environment. Therefore, it is necessary to collect the sludge for unified treatment. The main feature of sludge is high water content, and the water in the sludge needs to be drained to reduce the occupied space. The drying efficiency of the existing sludge drying equipment is low, and the sludge cannot be effectively extruded and transported out of the drying equipment after drying, so it is necessary to improve it.

In view of the above-mentioned defects, the designer is actively researching and innovating in order to create a sludge treatment device for hydropower stations with a new structure, so that it has more industrial use value.

Utility model content:

The purpose of the utility model is to solve the problems existing in the prior art, and to provide a sludge treatment device for hydropower stations that has high drying efficiency and can effectively extrude and transport the dried sludge.

The utility model relates to a sludge treatment device for a hydropower station, which comprises a treatment box, in which a feeding chamber, a lifting chamber, a squeezing chamber and a conveying chamber are sequentially arranged from left to right, and the feeding chamber 1. A filter plate is provided below the lifting chamber and the extrusion chamber, and a plurality of filter holes are provided on the filter plate, and a liquid collection chamber is provided below the filter plate;

A vertical rotating shaft is arranged in the lifting cavity, and the outer wall of the rotating shaft is provided with helical blades, and the upper end of the rotating shaft is provided with a driving mechanism for driving the rotating shaft, and there is a cavity in the rotating shaft, and the outer wall of the rotating shaft There are a plurality of air outlet holes, the air outlet holes communicate with the cavity, and the cavity is connected with a hot air source;

An inclined extruding plate is fixed inside the extruding chamber, and a plurality of water holes are uniformly arranged on the extruding plate, and the water holes communicate with the filter holes, and the extruding plate is provided with an extruding plate Corresponding inclined lower pressing plate, the upper end of the lower pressing plate is fixedly connected to the piston rod of the lower pressing cylinder, and the space between the upper end of the lower pressing plate and the upper end of the extrusion plate is connected to the upper right side of the lifting chamber;

The conveying chamber is provided with a conveyor belt, a hydraulic device, a hydraulic expansion column and a shaping plate, and the conveyor belt is connected to the space between the lower end of the lower pressing plate and the lower end of the pressing plate, and the hydraulic device is located at the bottom of the conveyor belt. Above, the hydraulic telescopic column is connected to the lower part of the hydraulic device, the shaping plate is fixedly connected to the lower end of the hydraulic telescopic column, and the shaping plate is located directly above the conveyor belt.

By means of the above technical solution, when the utility model is in use, the sludge to be treated is poured into the lifting cavity from the feeding cavity of the treatment box, and the water flowing out of the sludge enters the liquid collecting cavity from the filter hole of the filter plate, and then Under the action of the driving mechanism, the rotating shaft rotates, and the spiral blade rotates to transport the sludge from the lower part of the lifting cavity to the upper part. During this process, the hot air source delivers hot air to the cavity of the rotating shaft, and the hot air is discharged from the air outlet hole, thus The sludge in the lifting cavity is heated and dried. After the sludge is transported to the upper part of the lifting chamber, it enters the space between the upper end of the lower pressing plate and the upper end of the extrusion plate in the extrusion chamber from the right side of the lifting chamber, and the sludge flows down along the extrusion plate, and at the same time The pressure cylinder drives the lower pressing plate to press down, and the sludge is sandwiched between the lower pressing plate and the extrusion plate, so that the residual water in the sludge is further pressed out, and the extruded water flows out from the water hole, and then flows into the liquid collection through the filter hole cavity. The squeezed sludge enters the conveyor belt of the conveying chamber along the inclined squeeze plate, and the conveyor belt transports the dried sludge, and at the same time the hydraulic device is activated. Under the action of the hydraulic device, the hydraulic telescopic column drives The shaping plate is lowered, and the sludge on the conveyor belt is extruded by the shaping plate, which is convenient for subsequent treatment. The extruded dried sludge is sent away from the treatment box by the conveyor belt.

Through the above scheme, the sludge treatment device of the present utility model has high drying efficiency, can effectively treat the sludge in the hydropower station, and facilitates the extrusion of these sludge into blocks after drying, which can facilitate the handling of the sludge and also The sludge can be conveniently used for other purposes, and the sludge treatment effect of the hydropower station is improved.

As a preference of the above solution, the drive mechanism includes a driven gear fixedly sleeved on the upper end of the rotating shaft, a driving gear meshing with the driven gear, and a motor whose output shaft is fixedly connected to the driving gear, and the rotating shaft The upper end of the handle protrudes from the processing box and the driven gear is fixedly sleeved. The rotating shaft below the driven gear is provided with a bearing. The bearing is arranged on the upper end of the processing box. fixed on the filter plate. According to the above scheme, the motor drives the driving gear to rotate, and the driving gear drives the driven gear meshed with it to rotate, thereby driving the rotating shaft and the spiral blades to rotate, the upper end of the rotating shaft rotates in the bearing, and the lower end rotates on the hinged seat.

As a preference of the above solution, a plurality of exhaust pipes are provided on the side wall of the lifting cavity, the exhaust pipes are connected to the hot air source, the air outlet of the exhaust pipes faces the spiral blade, and the The helical blade also has a cavity, and the outer wall of the helical blade has a plurality of air outlets, the air outlets communicate with the cavity of the helical blade, and the cavity of the helical blade communicates with the cavity of the rotating shaft. According to the above scheme, when the sludge in the lifting chamber is transported upwards, the air exhaust port of the exhaust pipe will discharge hot air to the sludge, and the air outlet of the spiral blade will also discharge hot air to the sludge, thereby heating the sludge in all directions Drying effectively improves the thermal drying efficiency of sludge.

As a preference of the above solution, a vertical guide sleeve is fixed on the inner side wall of the upper part of the treatment box, a guide rod is formed on the upper end of the lower pressing plate, and the upper end of the guide rod is inserted into the guide sleeve . According to the above scheme, during the process of raising or lowering the lower pressing plate by the lower pressing cylinder, the guide rod moves up and down in the guide sleeve, thereby guiding the vertical position of the lower pressing plate to ensure that the lower pressing plate cooperates with the extruding plate.

As a preference of the above scheme, the number of the press-down cylinders is two, the piston rods of the two press-down cylinders are respectively fixedly connected to the upper and lower ends of the press-down plate, and the two press-down cylinders are fixed on the upper inner side wall of the processing box Above, the guide sleeve is located between the two press-down cylinders.

As a preference of the above solution, the hydraulic device is fixed on the inner side wall of the processing box through the hydraulic device support, and a support plate is fixed on the inner side wall of the processing box below the hydraulic device support, and the middle part of the support plate A sleeve is provided, the hydraulic telescopic column passes through the sleeve, the conveyor belt is arranged on the conveyor belt base, and the conveyor belt base is fixed on the inner side wall of the processing box.

The above description is only an overview of the technical solution of the utility model. In order to understand the technical means of the utility model more clearly and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with accompanying drawings. rear.

Description of drawings:

The following drawings are only intended to illustrate and explain the utility model schematically, and do not limit the scope of the utility model. in:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the partial structure schematic diagram of Fig. 1;

FIG. 3 is a partial sectional view of FIG. 2 .

detailed description:

Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

Referring to Fig. 1, a sludge treatment device for a hydropower station according to the utility model includes a treatment box 10, in which a feeding chamber 11, a lifting chamber 12, and an extrusion chamber are sequentially arranged from left to right 13 and conveying chamber 14, a filter plate 20 is provided below the feed chamber 11, lifting chamber 12 and extrusion chamber 13, and a plurality of filter holes 21 are provided on the filter plate, and a collection chamber is provided below the filter plate 20. Liquid chamber 15.

Referring to Fig. 1 to Fig. 3, a vertical rotating shaft 30 is arranged in the lifting cavity 12, a spiral blade 31 is arranged on the outer wall of the rotating shaft, and a driving mechanism 40 for driving the rotating shaft is arranged on the upper end of the rotating shaft 30 , the drive mechanism includes a driven gear 41 fixedly sleeved on the upper end of the rotating shaft 30, a driving gear 42 meshing with the driven gear, and a motor 43 whose output shaft is fixedly connected to the driving gear, and the upper end of the rotating shaft 30 Stretch out processing box 10 and fixedly sleeve driven gear 41, be provided with bearing 32 on the rotating shaft 30 below driven gear, described bearing is arranged on the upper end of processing box 10, and the lower end of rotating shaft 30 is hinged on the hinge seat 33 , the hinged seat is fixed on the filter plate 20, the rotating shaft 30 has a cavity 34, and the outer wall of the rotating shaft 30 has a plurality of air outlet holes 35, the air outlet holes communicate with the cavity 34, and the cavity 34 is connected with a hot air source (not shown), and the side wall of the lifting cavity 12 is provided with a plurality of exhaust pipes 36, and the exhaust pipe is connected with the hot air source, and the air outlet of the exhaust pipe 36 is opposite to Next to the spiral blade 31, there is also a cavity (not shown) in the spiral blade, and a plurality of air outlets (not shown) are arranged on the outer wall of the spiral blade 31, and the air outlet communicates with the cavity of the spiral blade 31 , the cavity of the helical blade 31 communicates with the cavity 34 of the rotating shaft 30 .

Referring to Fig. 1, an inclined extruding plate 50 is fixedly arranged in the extruding chamber 13, and a plurality of water holes 51 are uniformly arranged on the extruding plate, and the water holes communicate with the filter holes 21, and the extruding The plate 50 is provided with an inclined lower pressing plate 52 corresponding to the extrusion plate, the upper end of the lower pressing plate is fixedly connected to the piston rod of the pressing cylinder 53, the space between the upper end of the lower pressing plate 52 and the upper end of the extrusion plate 50 is The right side of the upper part of the lifting chamber 12 is connected, and a vertical guide sleeve 54 is fixed on the inner side wall of the upper part of the treatment box 10, and a guide rod 55 is formed on the upper end of the lower pressing plate 52, and the upper end of the guide rod 55 is inserted into Covered in the guide sleeve 54, the number of the press-down cylinders 53 is two, and the piston rods of the two press-down cylinders 53 are respectively fixedly connected to the upper and lower ends of the lower press plate 52, and the two press-down cylinders 53 are fixed on the handle. On the inner side wall of the upper part of the box 10 , the guide sleeve 54 is located between the two press-down cylinders 53 .

Referring to Fig. 1 , the conveying chamber 14 is provided with a conveying belt 60, a hydraulic device 61, a hydraulic expansion column 62 and a shaping plate 63, and the conveying belt 60 is connected to the lower end of the lower pressing plate 52 and the lower end of the extruding plate 50. The space is connected, the hydraulic device 61 is located above the conveyor belt 60, the hydraulic telescopic column 62 is connected to the lower part of the hydraulic device 61, the shaped plate 63 is fixedly connected to the lower end of the hydraulic telescopic column 62, and the shaped plate 63 is located at the conveying Directly above the belt 60, the hydraulic device 61 is fixed on the inner side wall of the processing box 10 by the hydraulic device support 64, and the inner side wall of the processing case 10 below the hydraulic device support 64 is fixed with a support plate 65, and the middle part of the support plate A sleeve 66 is provided, the hydraulic telescopic column 62 passes through the sleeve 66 , the conveyor belt 60 is arranged on a conveyor belt base 67 , and the conveyor belt base 67 is fixed on the inner side wall of the processing box 10 .

When the utility model is actually implemented, the sludge to be treated is poured into the lifting chamber 12 from the feed chamber 11 of the treatment box 10, and the water flowing out of the sludge enters the liquid collection chamber 15 from the filter hole 21 of the filter plate 20, Under the action of the driving mechanism 40, the rotating shaft 30 rotates, and the screw blade 31 rotates to transport the sludge from the lower part of the lifting chamber 12 to the upper part. During this process, the hot air source delivers hot air to the cavity 34 of the rotating shaft 30. It is discharged from the air outlet hole 35, thereby heating and drying the sludge in the lifting chamber 12.

After the sludge is transported to the upper part of the lifting chamber 12, it enters the space between the upper end of the lower pressing plate 52 and the upper end of the pressing plate 50 in the extrusion chamber 13 from the right side of the lifting chamber 12, and the sludge flows along the extrusion plate 50. At the same time, the downward pressure cylinder 53 drives the lower pressure plate 52 to press down, and the sludge is sandwiched between the lower pressure plate 52 and the extrusion plate 50, so that the residual moisture in the sludge is further pressed out, and the extruded water flows from the water The outflow from the hole 51 flows into the liquid collection chamber 15 through the filter hole 21.

The squeezed sludge enters the conveyer belt 60 of the conveying chamber 14 along the inclined squeeze plate 50, and the conveyer belt 60 conveys the dried sludge, and at the same time the hydraulic device 61 starts, and the function of the hydraulic device 61 Next, the hydraulic telescopic column 62 drives the shaping plate 63 to descend, and the shaping plate 63 is used to extrude the sludge on the conveyor belt 60 to facilitate subsequent processing. The extruded dried sludge is sent away from the treatment box 10 by the conveyor belt 60 .

In summary, the sludge treatment device of the present invention has high drying efficiency and can effectively treat the sludge in the hydropower station, so that the sludge can be squeezed into blocks after drying, which can facilitate the handling of the sludge, It can also facilitate the use of these sludges for other purposes, improving the sludge treatment effect of hydropower stations.

The sludge treatment device for hydropower stations provided by the utility model is only a specific embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. Within the disclosed technical scope, changes or substitutions can be easily thought of, and all should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (6)

1. A sludge treatment device for a hydropower station, comprising a treatment box (10), characterized in that: The processing box (10) is provided with a feeding chamber (11), a lifting chamber (12), an extrusion chamber (13) and a conveying chamber (14) sequentially from left to right, the feeding chamber (11), A filter plate (20) is provided below the lifting chamber (12) and the extrusion chamber (13), and a plurality of filter holes (21) are provided on the filter plate, and a liquid collection chamber (21) is provided below the filter plate (20). 15); The lifting chamber (12) is provided with a vertical rotating shaft (30), the outer wall of the rotating shaft is provided with a helical blade (31), and the upper end of the rotating shaft (30) is provided with a driving mechanism for driving the rotating shaft (40), there is a cavity (34) in the rotating shaft (30), and a plurality of air outlet holes (35) are arranged on the outer wall of the rotating shaft (30), and the air outlet holes communicate with the cavity (34), and the The cavity (34) is connected with a hot air source; An inclined extrusion plate (50) is fixed inside the extrusion chamber (13), and a plurality of water holes (51) are uniformly arranged on the extrusion plate, and the water holes and the filter holes (21) Connected, the extruding plate (50) is provided with an inclined lower pressing plate (52) corresponding to the extruding plate, the upper end of the lower pressing plate is fixedly connected to the piston rod of the lower pressing cylinder (53), and the upper end of the lower pressing plate (52) The space between the upper end of the squeeze plate (50) is connected to the upper right side of the lifting cavity (12); The conveyor belt (60), hydraulic device (61), hydraulic expansion column (62) and shaping plate (63) are arranged in the conveying cavity (14), and the lower end of the conveyor belt (60) and the lower pressing plate (52) It is connected with the space between the lower ends of the extrusion plate (50), the hydraulic device (61) is located above the conveyor belt (60), and the hydraulic telescopic column (62) is connected to the lower part of the hydraulic device (61), The shaping plate (63) is fixedly connected to the lower end of the hydraulic expansion column (62), and the shaping plate (63) is located directly above the conveyor belt (60). 2. The sludge treatment device for hydropower plants according to claim 1, characterized in that: the drive mechanism (40) includes a driven gear (41) fixedly sleeved on the upper end of the rotating shaft (30), and the The driving gear (42) meshed with the driven gear and the motor (43) whose output shaft is fixedly connected with the driving gear, the upper end of the rotating shaft (30) stretches out the processing box (10) and is fixedly sleeved with the driven gear (41 ), the rotating shaft below the driven gear is provided with a bearing (32), and the bearing is arranged on the upper end of the processing box (10), and the lower end of the rotating shaft (30) is hinged on the hinged seat (33), and the hinged seat Fixed on the filter plate (20). 3. The sludge treatment device for a hydropower station according to claim 1, characterized in that: the side wall of the lift chamber (12) is provided with a plurality of exhaust pipes (36), and the exhaust pipes are connected to the The hot air source is connected, and the air outlet of the exhaust pipe (36) faces the helical blade (31), which also has a cavity, and the outer wall of the helical blade (31) has a plurality of air outlets. The air outlet communicates with the cavity of the helical blade (31), and the cavity of the helical blade (31) communicates with the cavity (34) of the rotating shaft (30). 4. The sludge treatment device for a hydropower station according to claim 1, characterized in that: a vertical guide sleeve (54) is fixed on the upper inner side wall of the treatment box (10), and the lower pressing plate ( The upper end of 52) is formed with a guide rod (55), and the upper end of the guide rod is inserted into the guide sleeve (54). 5. the sludge treatment device for hydroelectric power station according to claim 4, is characterized in that: the quantity of described press-down cylinder (53) is two, and the piston rod of two press-down cylinders is respectively fixedly connected with press plate ( 52) at the upper and lower ends, two press-down cylinders (53) are fixed on the upper inner sidewall of the processing box (10), and the guide sleeve (54) is positioned between the two press-down cylinders (53). 6. The sludge treatment device for a hydropower station according to claim 1, characterized in that: the hydraulic device (61) is fixed on the inner side wall of the treatment box (10) by a hydraulic device support (64), so that A support plate (65) is fixed on the inner side wall of the treatment box (10) below the hydraulic device support (64), and a sleeve (66) is arranged in the middle of the support plate, and the hydraulic telescopic column (62) passes through The sleeve (66), the conveyor belt (60) is arranged on the conveyor belt base (67), and the conveyor belt base is fixed on the inner side wall of the processing box (10).