CN216404152U

CN216404152U - Municipal sludge drying treatment equipment

Info

Publication number: CN216404152U
Application number: CN202122671110.9U
Authority: CN
Inventors: 申亮; 张奎; 廖亚新; 龚本洲
Original assignee: Changjiang Institute of Survey Planning Design and Research Co Ltd
Current assignee: Changjiang Institute of Survey Planning Design and Research Co Ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-04-29
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses municipal sludge drying treatment equipment. It includes platen, deodorization module and processing module, the top of platen is equipped with the cylinder, wallboard and mounting bracket are installed respectively to the cylinder both ends, the bottom of mounting bracket and wallboard all with the platen installation, the inside of cylinder is equipped with processing module, processing module is including violently managing, outlet duct and mixing module, violently manage the both ends that run through the cylinder along the axis of cylinder, the even intercommunication in surface of violently managing has the outlet duct, the outlet duct is circular-arc structure, outlet duct and violently union part are located same helix, the one end that violently manages is kept away from to the outlet duct is sealed, the surface of outlet duct is evenly offered and is used for going out the round hole of steam etc.. The utility model carries out heating and drying on the sludge in the drum in multiple directions.

Description

Municipal sludge drying treatment equipment

Technical Field

The utility model belongs to the technical field of sludge treatment, and particularly relates to municipal sludge drying treatment equipment.

Background

With the rapid development of social economy, the scale of urban sewage treatment in China is greatly increased in recent years, and the sludge yield is also doubled. Municipal sludge is enriched with a large amount of organic matters which are difficult to degrade, heavy metals, a small amount of pathogenic microorganisms and parasitic ova, and if the municipal sludge is not properly treated, serious pollution is caused to the ecological environment.

Municipal sludge is an inevitable by-product in the municipal sewage treatment process, and is mainly characterized by complex components and high water content, and the water content of untreated sludge can reach more than 99 percent, so that the realization of sludge reduction is a crucial step for achieving the resource utilization of sludge. The conventional sludge treatment method mainly comprises the technologies of sludge concentration, sludge dehydration, sludge drying and the like, wherein the sludge drying is a deep dehydration method for further vaporizing and evaporating water in dehydrated sludge by utilizing artificial heat energy (steam or industrial waste heat, waste heat and the like), and the water content of the dried sludge is usually kept between 10 and 40 percent.

When utilizing current conventional sludge drying equipment to carry out the mummification to mud and handling, adopt the direct pump to go into steam usually and carry out the drying, because the dehydration mud of preliminary treatment is conglobate together, simple pump income steam, steam is only with mud surface contact, cause the mud surface moisture to evaporate at first and produce the mud shell of mummification easily, and then make the difficult continuous evaporation of the inside mud moisture of mummification shell, it is inhomogeneous to lead to mud to be heated, greatly reduced sludge drying effect and mummification efficiency, the required energy consumption of sludge drying processing has also been increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the background technology and provide municipal sludge drying treatment equipment.

The technical scheme adopted by the utility model is as follows: a municipal sludge drying treatment device comprises a platen, a deodorization module and a treatment module, wherein a roller is arranged above the platen, a wallboard and a mounting frame are respectively arranged at two ends of the roller, the bottom ends of the mounting frame and the wallboard are both mounted with the platen, the treatment module is arranged inside the roller and comprises a transverse pipe, an air outlet pipe and a mixing module, the transverse pipe penetrates through two ends of the roller along the center shaft of the roller, the surface of the transverse pipe is uniformly communicated with the air outlet pipe, the air outlet pipe is of an arc-shaped structure, the connecting part of the air outlet pipe and the transverse pipe is positioned on the same spiral line, one end of the air outlet pipe, which is far away from the transverse pipe, is sealed, round holes for hot air outlet are uniformly formed in the surface of the air outlet pipe, the mixing module comprises two mounting discs which are rotatably sleeved on the transverse pipe, a connecting rod is uniformly arranged between the two mounting discs, and a shovel plate is sleeved on the surface of the connecting rod, the utility model discloses a rotary kiln, including shovel board, cylinder, check valve, conveyer pipe, air pump, driving piece, air pump, driving piece, air outlet, air inlet, air outlet, air inlet, air outlet, air inlet, air outlet, air inlet, air outlet, air inlet, air outlet, air inlet, air outlet, air inlet, air outlet, air inlet.

Further preferred structure, the shovel board has a plurality ofly, and is a plurality of shovel board evenly distributed is on the surface of connecting rod, the surface of shovel board is equipped with the inclined plane, and the shovel board is located one side of ejection of compact module and is the inclined plane lower extreme, the shovel board is located the conveyer pipe direction and is the highest end on inclined plane.

In a further preferable structure, the driving part comprises a driving motor, the bottom end of the driving motor is mounted with the roller, a turntable is fixedly mounted on an output shaft of the driving motor, the turntable rotates to penetrate through the upper wall of the roller, and the surface of the turntable is meshed with the mounting disc.

In a further preferred structure, a conveyor belt is arranged below the roller at the position of the discharging module, and the conveyor belt is arranged above the bedplate.

In a further preferred structure, the surface of the roller is sleeved with a heat collecting pipe, the heat collecting pipe is a copper pipe sleeved on the surface of the roller in a threaded manner, two ends of the heat collecting pipe are respectively used for being externally connected with a circulating pump, and cooling water for heat recovery is arranged in the heat collecting pipe.

In a further preferred structure, the deodorization module is arranged above the bedplate and comprises a treatment tank, a deodorant is contained in the treatment tank, the treatment tank is communicated with a connecting pipe, one end of the connecting pipe, far away from the treatment tank, is communicated with a communicating device, and one end of the communicating device, far away from the connecting pipe, is communicated with the roller through a pump.

In a further preferable structure, the deodorant is a sodium carbonate solution with the concentration of 2.5% -3.4%, and the deodorant can also be ozone.

In a further preferred structure, the communicating vessel is a "U" -shaped tube, and the opening of the "U" -shaped communicating vessel faces downward.

In a further preferred structure, the surface of the treatment tank is sleeved with a heat dissipation ring, the heat dissipation ring is in a brass sheet-like structure, the upper end of the treatment tank is communicated with an isolation net, and activated carbon is filled in the isolation net.

Compared with the prior art, the utility model has the advantages and beneficial effects that,

1. conduct boiler steam to the violently pipe that passes the cylinder through the conveyer pipe in, evenly set up the outlet duct of violently managing the surface and will violently manage inside steam discharge, because the outlet duct is circular-arcly, circular-arc outlet duct has the advantage of large length, bulky, multirow hole than traditional straight tube, inside the round hole evenly discharged steam into the cylinder on the outlet duct, and then diversely heat the drying to the inside mud of cylinder.

2. Driving motor passes through the carousel drive mounting disc for the mounting disc rotates at the surface of violently managing with the help of the bearing, utilize two mounting discs to rotate and drive the connecting rod also following the rotation between the two, stir the inside mud of cylinder with the help of the connecting rod rotating in the cylinder inside, utilize to stir mud and then smash the shell of mud surface mummification and make the inside mummification that can heat that can carry out of mud, make mud can not have the effect that the mummification influences inside mummification because of the surface has mummification shell, thereby mummification efficiency with higher speed, further reduce mummification mud moisture content.

3. Go into gas to conveyer pipe inside through violently managing the air pump that one end of keeping away from the conveyer pipe was equipped with, pressurize the inside high-temperature air of convection current conveyer pipe, and then will violently manage inside high-temperature gas and pump with highly compressed form, make high-temperature gas impact mud with higher speed sludge drying effect.

4. The one-way valve communicated between the transverse pipe and the conveying pipe is used for preventing the air pump from pumping air into the conveying pipe along the transverse pipe.

5. Utilize linker and connecting tube to lead in the inside foul smell of cylinder to handle the jar, handle the inside deodorant of jar and handle the foul smell and fall the foul smell, utilize the isolation that the jar upper end was filled with active carbon to adsorb remaining foul smell.

6. The sodium carbonate solution with the concentration of 2.5-3.4% is used as the deodorant, and the deodorant has the advantage of low cost and good deodorization effect.

7. Ozone is used as a deodorant, and can strongly oxidize odor particles, so that the odor can be removed fundamentally.

8. The downward U-shaped communicating vessel foul smell of opening needs a vertical height of climbing when passing through, has and avoids the foul smell to carry the large granule to get into in handling the jar.

9. The radiating ring on the side wall of the treatment tank can accelerate the emission of odor carrying heat.

10. The liquid inside the drum side wall winding heat collecting pipe has the effect of absorbing the redundant heat inside the drum, and the liquid inside the heat collecting pipe is used for absorbing and recycling the heat inside the drum.

11. The shovel plate rotates around the transverse pipe along with the connecting rod, so that the effect of stirring sludge in the roller is enhanced.

12. The slope of shovel board surface makes the sword face on shovel board inclined plane cut drum inner wall adhesion mummification mud when the board rotates around violently managing, conveniently shovels the clearance drum inner wall when conveniently stirring mud.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the municipal sludge drying treatment equipment of the utility model;

FIG. 2 is a schematic view of the rear side of FIG. 1 of the municipal sludge drying treatment apparatus of the utility model;

FIG. 3 is a schematic structural view of the interior of a roller in the municipal sludge drying treatment equipment of the utility model;

FIG. 4 is a schematic view of a portion of the municipal sludge drying treatment apparatus of the utility model shown in FIG. 3;

FIG. 5 is a schematic view of a portion of the mixing module of FIG. 3 of the municipal sludge drying treatment apparatus of the utility model;

FIG. 6 is a schematic view of the municipal sludge drying treatment apparatus shown in FIG. 5, wherein part A is a structural diagram;

FIG. 7 is a schematic view of a part of the structure of a shovel plate in the municipal sludge drying treatment equipment.

Wherein: 1. a platen; 2. an air pump; 3. a drum; 4. a conveyor belt; 5. a mounting frame; 6. a delivery pipe; 7. a deodorization module; 71. a treatment tank; 72. an isolation net; 73. a heat dissipation ring; 74. connecting pipes; 75. a communicating vessel; 8. a processing module; 81. a transverse tube; 82. an air outlet pipe; 83. a mixing module; 831. mounting a disc; 832. a connecting rod; 833. a shovel plate; 9. a drive member; 91. a drive motor; 92. a turntable; 10. a heat collecting pipe.

Detailed Description

The utility model will be further described in detail with reference to the following drawings and specific examples, which are not intended to limit the utility model, but are for clear understanding.

As shown in fig. 1-7, a municipal sludge drying treatment device comprises a bedplate 1, a deodorizing module 7 and a treatment module 8, a roller 3 is arranged above the bedplate 1, wall plates and mounting frames 5 are respectively arranged at two ends of the roller 3, the mounting frames 5 and the bottom ends of the wall plates are both mounted with the bedplate 1, the treatment module 8 is arranged inside the roller 3, the treatment module 8 comprises a transverse pipe 81, the transverse pipe 81 penetrates through the two ends of the roller 3 along the central axis of the roller 3, the surface of the transverse pipe 81 is uniformly communicated with an air outlet pipe 82, the air outlet pipe 82 is of an arc structure, the connecting part of the air outlet pipe 82 and the transverse pipe 81 is positioned on the same spiral line, one end of the air outlet pipe 82 far away from the transverse pipe 81 is sealed, the surface of the air outlet pipe 82 is uniformly provided with a round hole for hot air outlet, a mixing module 83 is arranged inside the roller 3, the mixing module 83 comprises two mounting plates 831 rotatably sleeved on the transverse pipe 81, and connecting rods 832 are uniformly arranged between the two mounting plates 831, the surface solid cover of connecting rod 832 has shovel plate 833, the surface of shovel plate 833 and the inner wall sliding connection of cylinder 3, the one end of violently managing 81 is through check valve intercommunication has conveyer pipe 6, the check valve is along conveyer pipe 6 to cylinder 3 one-way conduction, conveyer pipe 6 is used for external boiler hot air supply, the one end intercommunication that violently managing 81 keeps away from conveyer pipe 6 has air pump 2, the bottom and the mounting bracket 5 of air pump 2 are adorned admittedly, the top of cylinder 3 is equipped with driving piece 9, driving piece 9 includes driving motor 91, the bottom and the cylinder 3 installation of driving motor 91, the output shaft of driving motor 91 is adorned firmly carousel 92, carousel 92 rotates and passes the cylinder 3 upper wall, the surface and the mounting disc 831 meshing of carousel 92, the upper end of cylinder 3 is equipped with the feed inlet, the below of cylinder 3 is equipped with the ejection of compact module, conduct boiler hot air to violently managing 81 through conveyer pipe 6 and passing cylinder 3, the inside hot air of violently managing 81 will be discharged to the outlet duct 82 of violently managing 81 evenly setting up on the surface of violently managing 81, because the air outlet pipe 82 is arc-shaped, the arc-shaped air outlet pipe 82 has the advantages of large length, large volume and multiple discharge holes compared with the existing straight pipe, hot air is uniformly discharged into the roller 3 through the round hole on the air outlet pipe 82, then sludge in the roller 3 is heated and dried in multiple directions, the driving motor 91 drives the mounting disc 831 through the rotary disc 92, the mounting disc 831 rotates on the surface of the transverse pipe 81 through the bearing, the two mounting discs 831 rotate to drive the connecting rod 832 between the two discs to rotate, the sludge in the roller 3 is stirred through the rotation of the connecting rod 832, the sludge surface drying shell is smashed through stirring the sludge, the heating and drying can be carried out in the sludge, the sludge can not influence the internal drying effect because the drying shell is arranged on the surface, the drying efficiency is accelerated, the air pump 2 arranged at one end of the transverse pipe 81 far away from the conveying pipe 6 is used for pumping gas into the conveying pipe 6, pressurize the inside high-temperature air of inflow conveyer pipe 6, and then pump the inside high-temperature gas of violently managing 81 with highly compressed form, make high-temperature gas impact mud mummification effect with higher speed, utilize the check valve of intercommunication between violently managing 81 and the conveyer pipe 6 to avoid air pump 2 to pump out gas along violently managing 81 pump in conveyer pipe 6.

As shown in fig. 3-7, there are a plurality of blades 833, the blades 833 are uniformly distributed on the surface of the connecting rod 832, the surface of the blades 833 is provided with an inclined plane, one side of the blade 833 located at the discharging module is the lowest end of the inclined plane, and the blade 833 located at the highest end of the inclined plane in the direction of the conveying pipe 6.

As shown in fig. 1 and 2, a conveyor belt 4 is provided below the drum 3 at the position of its outfeed module, the conveyor belt 4 being mounted above the platen 1.

As shown in fig. 1 and 2, a heat collecting tube 10 is sleeved on the surface of the drum 3, the heat collecting tube 10 is a copper tube sleeved on the surface of the drum 3 by a screw thread, two ends of the heat collecting tube 10 are respectively used for connecting an external circulating pump, cooling water for heat recovery is arranged inside the heat collecting tube 10, liquid inside the heat collecting tube 10 wound on the side wall of the drum 3 has an effect of absorbing redundant heat inside the drum 3, and the liquid inside the heat collecting tube 10 absorbs and recycles the heat inside the drum 3.

As shown in fig. 1 and 2, a deodorization module 7 is arranged at the upper end of the bedplate 1, the deodorization module 7 comprises a treatment tank 71, a deodorant is contained in the treatment tank 71, the treatment tank 71 is communicated with a connecting pipe 74, one end of the connecting pipe 74 far away from the treatment tank 71 is communicated with a communicating vessel 75, one end of the communicating vessel 75 far away from the connecting pipe 74 is communicated with the roller 3 by a pump, the odor in the roller 3 is guided into the treatment tank 71 by the communicating vessel 75 and the connecting pipe 74, the deodorant in the treatment tank 71 treats the odor to reduce the odor, the isolation filled with active carbon at the upper end of the treatment tank 71 is utilized to adsorb the residual odor, follow connecting rod 832 together through shovel plate 833 and rotate round violently pipe 81, have the effect that strengthens the inside mud stirring effect of cylinder 3, shovel plate 833 surface slope makes the commentaries on classics board when rotating round violently pipe 81 the blade face cutting drum 3 inner wall adhesion mummified mud of shovel plate 833 inclined plane, conveniently shovels when conveniently stirring mud and removes 3 inner walls of clearance cylinder.

The deodorant is a sodium carbonate solution with the concentration of 2.5-3.4%, and the sodium carbonate solution with the concentration of 2.5-3.4% is used as the deodorant, so that the deodorant has the advantage of low cost and good deodorization effect.

The deodorant can also be ozone, and ozone is used as the deodorant, and can strongly oxidize odor particles, so that the odor can be fundamentally removed.

As shown in fig. 1 and 2, the communicating vessel 75 is a "U" shaped tube, and the "U" shaped communicating vessel 75 is open downwards, and the downward opening U-shaped communicating vessel 75 needs to climb a vertical height when the odor passes through, which has the function of preventing the odor from carrying large particles into the treating tank 71.

As shown in fig. 1 and 2, the surface of the treatment tank 71 is covered with a heat dissipation ring 73, the heat dissipation ring 73 is in a brass sheet structure, the upper end of the treatment tank 71 is communicated with an isolation net 72, the isolation net 72 is filled with activated carbon, and the heat dissipation ring 73 on the side wall of the treatment tank 71 has the function of accelerating the emission of odor carrying heat.

Those not described in detail in this specification are within the skill of the art.

Claims

1. The utility model provides a municipal sludge drying treatment equipment which characterized in that: the device comprises a bedplate (1), a deodorization module (7) and a treatment module (8), wherein a roller (3) is arranged above the bedplate (1), wallboards and mounting frames (5) are respectively mounted at two ends of the roller (3), the mounting frames (5) and the bottom ends of the wallboards are mounted with the bedplate (1), the treatment module (8) is arranged inside the roller (3), the treatment module (8) comprises a transverse pipe (81), an air outlet pipe (82) and a mixing module (83), the transverse pipe (81) penetrates through two ends of the roller (3) along the middle shaft of the roller (3), the surface of the transverse pipe (81) is uniformly communicated with the air outlet pipe (82), the air outlet pipe (82) is of an arc-shaped structure, the connecting parts of the air outlet pipe (82) and the transverse pipe (81) are positioned on the same spiral line, one end of the air outlet pipe (82) far away from the transverse pipe (81) is sealed, and a round hole for hot air outlet is uniformly formed in the surface of the air outlet pipe (82), the mixing module (83) comprises two mounting disks (831) which are rotatably sleeved on the transverse pipe (81), a connecting rod (832) is uniformly arranged between the two mounting disks (831), the surface of the connecting rod (832) is covered with a shovel plate (833), the surface of the shovel plate (833) is connected with the inner wall of the roller (3) in a sliding way, one end of the transverse pipe (81) is communicated with a delivery pipe (6) through a one-way valve, the one-way valve is communicated in one way along the direction from the conveying pipe (6) to the roller (3), the delivery pipe (6) is used for being externally connected with a boiler hot air source, one end of the transverse pipe (81) far away from the delivery pipe (6) is communicated with an air pump (2), the bottom end of the air pump (2) is fixedly installed with the installation rack (5), a driving piece (9) is arranged above the roller (3), the upper end of the roller (3) is provided with a feed inlet, and a discharge module is arranged below the roller (3).

2. The municipal sludge drying treatment apparatus of claim 1, wherein: shovel board (833) have a plurality ofly, and are a plurality of shovel board (833) evenly distributed is on the surface of connecting rod (832), the surface of shovel board (833) is equipped with the inclined plane, and shovel board (833) are located one side of ejection of compact module and are the inclined plane lower extreme, shovel board (833) are located conveyer pipe (6) direction and are the highest end on inclined plane.

3. The municipal sludge drying treatment apparatus of claim 1, wherein: the driving piece (9) comprises a driving motor (91), the bottom end of the driving motor (91) is installed on the roller (3), a turntable (92) is fixedly installed on an output shaft of the driving motor (91), the turntable (92) rotates to penetrate through the upper wall of the roller (3), and the surface of the turntable (92) is meshed with a mounting disc (831).

4. The municipal sludge drying treatment apparatus of claim 1, wherein: and a conveyor belt (4) is arranged below the roller (3) and at the position of the discharging module of the roller, and the conveyor belt (4) is arranged above the bedplate (1).

5. The municipal sludge drying treatment apparatus of claim 1, wherein: the surface of the roller (3) is sleeved with a heat collecting pipe (10), the heat collecting pipe (10) is a copper pipe sleeved on the surface of the roller (3) in a threaded manner, two ends of the heat collecting pipe (10) are respectively used for being externally connected with a circulating pump, and cooling water for heat recovery is arranged inside the heat collecting pipe (10).

6. The municipal sludge drying treatment apparatus of claim 1, wherein: the deodorization module (7) is arranged above the bedplate (1), the deodorization module (7) comprises a treatment tank (71), deodorant is contained in the treatment tank (71), the treatment tank (71) is communicated with a connecting pipe (74), one end, far away from the treatment tank (71), of the connecting pipe (74) is communicated with a communicating vessel (75), and one end, far away from the connecting pipe (74), of the communicating vessel (75) is communicated with the roller (3) through a pump.

7. The municipal sludge drying treatment apparatus of claim 6, wherein: the deodorant is a sodium carbonate solution with the concentration of 2.5% -3.4%, and the deodorant can also be ozone.

8. The municipal sludge drying treatment apparatus of claim 6, wherein: the communicating vessel (75) is a U-shaped pipe, and the opening of the U-shaped communicating vessel (75) faces downwards.

9. The municipal sludge drying treatment apparatus of claim 6, wherein: the surface of the treatment tank (71) is sleeved with a heat dissipation ring (73), the heat dissipation ring (73) is of a brass sheet-like structure, the upper end of the treatment tank (71) is communicated with an isolation net (72), and activated carbon is filled in the isolation net (72).