CN218458741U

CN218458741U - Sludge cleaning device for desulfurization and denitrification of thermal power plant

Info

Publication number: CN218458741U
Application number: CN202221137989.7U
Authority: CN
Inventors: 侯艳升; 仝健
Original assignee: Huaneng Power International Inc Jining Power Plant
Current assignee: Huaneng Power International Inc Jining Power Plant
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2023-02-10
Anticipated expiration: 2032-05-12

Abstract

The utility model discloses a sludge cleaning device for SOx/NOx control of thermal power plant, including mount and filter plate device, the filter plate device includes fixed plate, quick adjustment structure, through-hole, gag lever post, second bearing roller, drain pipe, mounting bracket and recess, the middle part of fixed plate is provided with the mounting bracket, the middle part of mounting bracket is provided with the through-hole, the mounting bracket is connected with the fixed plate through the mode of scarf joint, the upper and lower both ends of fixed plate all are provided with the recess, just be located in the recess and be provided with the quick adjustment structure in the fixed plate, be provided with the gag lever post on the fixed plate, the below of gag lever post just is located and is provided with second bearing pulley on the fixed plate, the below of second bearing pulley just is located the fixed plate and all is provided with the drain pipe on the both ends lateral wall about, and such structure setting can effectually solve the damaged and change the loaded down with trivial details and consuming time problem of filter cloth step in the original device.

Description

Sludge cleaning device for desulfurization and denitrification of thermal power plant

Technical Field

The utility model belongs to the technical field of thermal power plant's sludge cleaning is relevant, concretely relates to sludge cleaning device for SOx/NOx control of thermal power plant.

Background

The sludge of the thermal power plant is a byproduct in the water treatment process after desulfurization and denitrification, and the main components of the sludge are suspended matters, partially dissolved matters, auxiliaries and the like in the water for treatment. Because the sludge contains a large amount of moisture and is large in size, the subsequent treatment and transportation of the sludge are difficult, the sludge treatment of the thermal power plant mainly aims to remove most of moisture in the sludge through concentration, and then forcibly dehydrates by means of centrifugation and other methods, so that the sludge volume is reduced, the sludge is convenient to transport and treat outside, in addition, the quality of the sludge treatment of the thermal power plant is directly related to the reuse rate of wastewater, and therefore, the sludge treatment becomes a crucial step after desulfurization and denitrification of the thermal power plant.

The existing sludge cleaning device for desulfurization and denitrification of a thermal power plant has the following problems: 1. because the filter cloth is mostly fibrous material among the current device, is scratched by comparatively sharp-pointed debris in the mud easily, influences the processing of mud, 2 among the device, damaged filter cloth when changing, need take off whole filter plate device from the mount, takes off the filter screen from the filter plate device again and changes, the loaded down with trivial details and long treatment rate who influences mud consuming time of step.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sludge cleaning device for SOx/NOx control of thermal power plant to the damaged and loaded down with trivial details and consuming time problem of change filter cloth step of the filter cloth that provides in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sludge cleaning device for desulfurization and denitrification of a thermal power plant comprises a fixed frame and a filter plate device, wherein the fixed frame is provided with a through groove, a thrust plate is arranged in the through groove and on the fixing frame, a first bearing roller is arranged on the side wall of the thrust plate and at the upper end of the fixing frame, a plurality of filter plate devices are arranged at the right end of the thrust plate and positioned in the through groove, a pressing plate is arranged at the right end of each filter plate device and positioned in the through groove, the middle part of the right end of the pressing plate is provided with a hydraulic plate, the right end of the hydraulic plate is provided with a hydraulic device, the hydraulic equipment is connected with a control box through a cable, the right end of the hydraulic equipment penetrates through the fixing frame, the lower end of the fixed frame is provided with a supporting frame, the inner side end of the supporting frame and the lower part of the plurality of filter plate devices are provided with a conveying belt, a water-stop sheet is arranged on the outer side of the conveying belt and positioned on the inner side wall of the support frame, a pulling plate device is arranged at the upper end of the support frame and positioned below the fixing frame, a plurality of filtering plate devices comprise a fixing plate, a quick adjusting structure, a through hole, a limiting rod, a second bearing roller, a drain pipe, a mounting frame and a groove, the middle part of the fixed plate is provided with an installation frame, the middle part of the installation frame is provided with a through hole, the installation frame is connected with the fixed plate in an embedding way, the upper end and the lower end of the fixing plate are both provided with grooves, the grooves are internally provided with a quick adjusting structure which is positioned in the fixing plate, the side walls of the left and right ends of the fixed plate are both provided with a limiting rod, the side walls of the left and right ends of the fixed plate which are positioned below the limiting rod are both provided with a second bearing pulley, and drain pipes are arranged below the second bearing pulley and on the side walls of the left end and the right end of the fixing plate.

Preferably, the quick adjustment structure comprises a connecting plate and filter cloth, the filter cloth is arranged at the lower end of the connecting plate, and the filter cloth is sleeved in the groove.

Preferably, the arm-tie device includes the arm-tie frame, pulls a cart, kerve, flap and driving motor, the middle part of arm-tie frame is provided with the kerve, be provided with the flap in the kerve, just be located the kerve on the flap and be provided with the pulling a cart, the left side of flap and the left end that is located the arm-tie frame are provided with driving motor, driving motor passes through the hinge and is connected with the flap.

Preferably, the trolley is movably connected with the hinge plate in a sliding connection mode.

Preferably, the connecting plate includes limiting plate, axial slab, axle bed and loose axle, the upper end of limiting plate is provided with two axial slabs, two be provided with two axle beds on the lateral wall of axial slab, two be provided with the loose axle between the axle bed.

Preferably, the movable shaft is connected with the filter cloth.

Preferably, the fixed plates are plate structures formed by pressing high-quality polypropylene materials, and the fixed plates are connected in series through chain chains arranged on the limiting rods.

Preferably, the second bearing roller is of an oilless bearing structure.

Compared with the prior art, the utility model provides a sludge cleaning device for SOx/NOx control of thermal power plant possesses following beneficial effect:

1. the utility model discloses a fixed plate that sets up in the filter plate device, the quick adjustment structure, the through-hole, the gag lever post, the second bearing gyro wheel, the drain pipe, mounting bracket and groove structure, mud diffuses to between mounting bracket and the fixed plate through the through-hole fast, the filter cloth in the quick adjustment mechanism who is located the recess plays the filter action to the mud mixture, in extrusion and separation, the fixed plate passes through the oilless second bearing gyro wheel that lies in the gag lever post below on the lateral wall of both ends and slides from side to side on the mount, after the extrusion, most moisture in the mud mixture is discharged through the drain pipe, remove in the recess in the fixed plate through the quick adjustment structure, quick convenient change damaged filter cloth, avoid influencing the treatment effect of mud because of the filter cloth is damaged.

2. The utility model discloses a limiting plate that sets up in the connecting plate in the quick adjustment structure, the axletree, axle bed and loose axle construction, the loose axle that lies in the limiting plate top in the connecting plate is with damaged filter cloth rolling, the position with intact filter cloth replacement original filter cloth, damaged filter cloth is got up along the loose axle rolling of connection on the axle bed, avoid damaged filter cloth to influence the normal processing of mud, axle bed and two axletree board fixed connection of limiting plate upper end, damaged filter cloth can be convenient changed in the realization fixed plate, the problem that need take off the filter plate device from the mount is changed to the filter cloth of avoiding among the original equipment, realize the filter plate device and exempt from to dismantle on the mount and change the filter cloth.

Drawings

The accompanying drawings 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, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic view of the overall structure of a sludge cleaning device for desulfurization and denitrification in a thermal power plant according to the present invention;

FIG. 2 is a schematic structural view of a filter plate device of a sludge cleaning device for desulfurization and denitrification in a thermal power plant according to the present invention;

FIG. 3 is a schematic diagram of the position and connection structure of a quick adjusting mechanism in a filter plate device of a sludge cleaning device for desulfurization and denitrification in a thermal power plant according to the present invention;

FIG. 4 is a schematic structural view of a connecting plate of a sludge cleaning device for desulfurization and denitrification in a thermal power plant according to the present invention;

FIG. 5 is a schematic structural view of a plate pulling device of the sludge cleaning device for desulfurization and denitrification in a thermal power plant according to the present invention;

FIG. 6 is a schematic view of a cart pulling structure of the sludge cleaning device for desulfurization and denitrification in a thermal power plant according to the present invention;

in the figure: 1. a fixed mount; 2. a thrust plate; 3. a filter plate device; 4. a first bearing roller; 5. a plate pulling device; 6. a support frame; 7. a hydraulic device; 8. a control box; 9. a through groove; 10. a hydraulic plate; 11. a compression plate; 12. a conveyor belt; 13. a water-stop sheet; 31. a fixing plate; 32. a quick adjustment structure; 33. a through hole; 34. a limiting rod; 35. a second bearing roller; 36. a drain pipe; 37. a mounting frame; 38. a groove; 51. a plate pulling frame; 52. pulling the cart; 53. groove drawing; 54. a hinge plate; 55. a drive motor; 321. a connecting plate; 322. filtering cloth; 3211. a limiting plate; 3212. a shaft plate; 3213. a shaft seat; 3214. a movable shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1 and 2, the present invention provides a technical solution: a sludge cleaning device for desulfurization and denitrification of a thermal power plant comprises a fixing frame 1 and filter plate devices 3, wherein a through groove 9 is formed in the fixing frame 1, a thrust plate 2 is arranged in the through groove 9 and positioned on the fixing frame 1, a first bearing roller 4 is arranged on the side wall of the thrust plate 2 and positioned at the upper end of the fixing frame 1, a plurality of filter plate devices 3 are arranged at the right end of the thrust plate 2 and positioned in the through groove 9, a pressing plate 11 is arranged at the right end of each filter plate device 3 and positioned in the through groove 9, a hydraulic plate 10 is arranged in the middle of the right end of the pressing plate 11, a hydraulic device 7 is arranged at the right end of the hydraulic plate 10, the hydraulic device 7 is provided with a control box 8 through cable connection, the right end of the hydraulic device 7 penetrates through the fixing frame 1, a support frame 6 is arranged at the lower end of the fixing frame 1, a conveying belt 12 is arranged at the inner side end of the support frame 6 and positioned below the plurality of the filter plate devices 3, a water stop plate device 13 is arranged at the outer side wall of the outer side of the support frame 6 and positioned below the fixing frame 1, a pull plate device 5 is arranged at the upper end of the mounting frame 31, a fixing frame 31, a limiting rod 31 is arranged at the middle of a mounting frame 31, a limiting groove 31 is arranged at the side wall of a mounting frame 31, a limiting rod 37, a mounting frame 31, a limiting groove 31 is arranged at the middle of a mounting frame 31, a limiting groove 31 is arranged at the side wall of a mounting frame 31, a mounting frame 32, a limiting rod 31, a limiting groove is arranged at the middle of a mounting frame 32, a limiting groove 31, a limiting groove 31 is arranged at the middle of a mounting frame 31, a groove 31 is arranged at the side wall of a mounting frame 32, a groove 31, a mounting frame 32, drain pipes 36 are provided below the second bearing pulley 35 and on the side walls of the left and right ends of the fixing plate 31.

Example two

Referring to fig. 2, fig. 3, and fig. 4, the present invention provides a technical solution: the utility model provides a sludge cleaning device for SOx/NOx control of thermal power plant, quick adjustment structure 32 includes connecting plate 321 and filter cloth 322, the lower extreme of connecting plate 321 is provided with filter cloth 322, filter cloth 322 cup joints in recess 38, connecting plate 321 includes limiting plate 3211, axial plate 3212, axle seat 3213 and loose axle 3214, limiting plate 3211's upper end is provided with two axial plates 3212, be provided with two axle beds 3213 on two axial plates 3212's the lateral wall, be provided with loose axle 3214 between two axle beds 3213, loose axle 3214 is connected with filter cloth 322, set up through the above-mentioned structure, realize connecting plate 321 and fixed plate 31's quick installation and dismantlement.

EXAMPLE III

Referring to fig. 1, 5 and 6, the present invention provides a technical solution: the utility model provides a sludge cleaning device for thermal power plant SOx/NOx control, arm-tie device 5 is including arm-tie frame 51, the car 52 that draws, draw groove 53, flap 54 and driving motor 55, the middle part of arm-tie frame 51 is provided with draw groove 53, be provided with flap 54 in the draw groove 53, on the flap 54 and be located and be provided with the car 52 that draws in the draw groove 53, the left side of flap 54 and the left end that is located arm-tie frame 51 are provided with driving motor 55, driving motor passes through the hinge and is connected with flap 54, the car 52 that draws is through sliding connection's mode and flap 54 swing joint, set up through above-mentioned structure, realize after mud is extruded the drainage by pressure strip 11, separate a plurality of filter plate device 3 through arm-tie device 5, the sludge cake after the compression of being convenient for breaks away from filter plate device 3.

Example four

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a sludge cleaning device for SOx/NOx control of thermal power plant, fixed plate 31 is the plate structure that high-quality polypropylene material suppression formed, and establish ties through the chain that sets up on the gag lever post 34 between a plurality of fixed plate 31, fixed plate 31 that high-quality polypropylene material suppression formed has withstand voltage, heat-resisting, corrosion-resistant, nontoxic, light in weight, the good and easy good characteristics of wasing etc. establish ties a plurality of fixed plate 31 that are convenient for arm-tie device 5 simultaneous pulling is parted of neat of surfacing.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the sludge mixture after desulfurization and denitrification treatment in the thermal power plant is filled into a plurality of filter plate devices 3 from the thrust plate 2 in the through groove 9 in the fixing frame 1, the sludge mixture is diffused into the filter cloth 322 in the mounting frame 37 in the whole fixing plate 31 through the through hole 33, after the space where the filter cloth 322 is located is filled with the sludge mixture, the control box 8 is opened, so that the hydraulic equipment 7 pushes the pressing plate 11 to extrude the filter plate devices 3 through the hydraulic plate 10, after full extrusion, the moisture in the sludge mixture is drained to the maximum extent, the residual sludge forms a relatively hard plate structure and is attached between each filter plate device 3, the driving motor 55 in the pulling plate device 5 drives the hinge motion in the hinge plate 54, so that the trolley 52 sleeved in the pulling groove 53 moves along the direction parallel to the pulling plate frame 51, the trolley 52 is clamped with the limiting rod 34 on the side wall of the fixing plate 31 and then returns along the hinge plate 54, a plurality of fixing plates 31 connected in series through the chain are gradually separated, the sludge blocks located in the sludge blocks fall on the conveying belt 12 on the tail end of the supporting frame 6 to be collected, the water drained from the drainage pipe 36 is prevented from falling into the sludge blocks through the water stop plate 13 between the conveying belt 12 and the drainage pipe 36, in the filter plate device 3, the sludge is quickly diffused between the mounting frame 37 and the fixing plates 31 through the through holes 33, the filter cloth 322 in the quick adjusting mechanism 32 located in the groove 38 plays a role in filtering the sludge mixture, in the extrusion and separation, the fixing plate 31 slides left and right on the fixing frame 1 through the oil-free second bearing rollers 35 located below the limiting rod 34 on the side wall of the two ends, and most of water in the sludge mixture is drained through the drainage pipe 36 after the extrusion, when the filter cloth 322 at the lower end of the connecting plate 321 is scratched by sharp impurities in sludge, the connecting plate 321 is taken out from the groove 38, the broken filter cloth 322 is wound by the movable shaft 3214 positioned above the limiting plate 3211 in the connecting plate 321, the intact filter cloth 322 is replaced by the original filter cloth 322, the broken filter cloth 322 is wound along the movable shaft 3214 connected to the shaft seat 3213, the problem that the broken filter cloth 322 affects the normal treatment of the sludge is solved, the shaft seat 3213 is fixedly connected with the two shaft plates 3212 at the upper end of the limiting plate 3211, and by means of the structure, the problems that the damage of the filter cloth 322 in the original device affects the sludge treatment effect and the damaged filter cloth 322 is inconvenient to replace can be effectively solved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sludge cleaning device for SOx/NOx control of thermal power plant, includes mount (1) and filter plate device (3), its characterized in that: be provided with logical groove (9) on mount (1), it is provided with thrust plate (2) just to be located mount (1) in logical groove (9), the upper end that just is located mount (1) on the lateral wall of thrust plate (2) is provided with first bearing roller (4), the right-hand member of thrust plate (2) just is located and is provided with a plurality of filter plate device (3) in logical groove (9), the right-hand member of a plurality of filter plate device (3) just is located and is provided with pressure strip (11) in logical groove (9), the right-hand member middle part of pressure strip (11) is provided with hydraulic pressure board (10), the right-hand member of hydraulic pressure board (10) is provided with hydraulic equipment (7), hydraulic equipment (7) are provided with control box (8) through the cable connection, the right-hand member of hydraulic equipment (7) runs through mount (1), the lower extreme of mount (1) is provided with support frame (6), the medial extremity of support frame (6) just is located the below of a plurality of filter plate device (3) is provided with conveyer belt (12), the outside of conveyer belt (12) just is located and is provided with on the inside wall of support frame (6) and is provided with water-stop plate device (31), the inside wall (31) of a plurality of support frame (5) is provided with the fixed plate device (3), the fixed plate device (31) include that the fixed plate (3) below, the filter plate device (31), the filter plate device (3) is provided with the filter plate device (3) below, the filter plate device (3), the outside of the fixed plate (12), the fixed plate (5) is provided with, quick adjustment structure (32), through-hole (33), gag lever post (34), second bearing roller (35), drain pipe (36), mounting bracket (37) and recess (38), the middle part of fixed plate (31) is provided with mounting bracket (37), the middle part of mounting bracket (37) is provided with through-hole (33), mounting bracket (37) are connected with fixed plate (31) through the mode of scarf joint, the upper and lower both ends of fixed plate (31) all are provided with recess (38), just be located fixed plate (31) in recess (38) and be provided with quick adjustment structure (32), all be provided with gag lever post (34) on the both ends lateral wall about fixed plate (31), all be provided with second bearing roller (35) on the both ends lateral wall about the below of gag lever post (34) and be located fixed plate (31), all be provided with drain pipe (36) on the both ends lateral wall about the below of second bearing roller (35) and be located fixed plate (31).

2. The sludge cleaning device for desulfurization and denitrification in thermal power plants as claimed in claim 1, wherein: the quick adjustment structure (32) comprises a connecting plate (321) and filter cloth (322), wherein the filter cloth (322) is arranged at the lower end of the connecting plate (321), and the filter cloth (322) is sleeved in the groove (38).

3. The sludge cleaning device for desulfurization and denitrification in a thermal power plant according to claim 1, characterized in that: the drawing plate device (5) comprises a drawing plate frame (51), a trolley (52), a drawing groove (53), a hinge plate (54) and a driving motor (55), the drawing groove (53) is formed in the middle of the drawing plate frame (51), the hinge plate (54) is arranged in the drawing groove (53), the drawing plate (52) is arranged on the hinge plate (54) and located in the drawing groove (53), the driving motor (55) is arranged on the left side of the hinge plate (54) and located at the left end of the drawing plate frame (51), and the driving motor (55) is connected with the hinge plate (54) through a hinge.

4. The sludge cleaning device for desulfurization and denitrification in a thermal power plant according to claim 3, characterized in that: the trolley (52) is movably connected with the hinge plate (54) in a sliding connection mode.

5. The sludge cleaning device for desulfurization and denitrification in a thermal power plant according to claim 2, characterized in that: the connecting plate (321) comprises a limiting plate (3211), shaft plates (3212), shaft seats (3213) and a movable shaft (3214), two shaft plates (3212) are arranged at the upper end of the limiting plate (3211), two shaft seats (3213) are arranged on the side walls of the two shaft plates (3212), and the movable shaft (3214) is arranged between the two shaft seats (3213).

6. The sludge cleaning device for desulfurization and denitrification in a thermal power plant according to claim 5, characterized in that: the movable shaft (3214) is connected with the filter cloth (322).

7. The sludge cleaning device for desulfurization and denitrification in a thermal power plant according to claim 1, characterized in that: fixed plate (31) are the plate structure that high-quality polypropylene material suppression formed, and establish ties through the chain that sets up on gag lever post (34) between a plurality of fixed plate (31).

8. The sludge cleaning device for desulfurization and denitrification in a thermal power plant according to claim 1, characterized in that: the second bearing roller (35) is of an oilless bearing structure.