CN114772893A - Municipal sludge drying treatment device and method - Google Patents
Municipal sludge drying treatment device and method Download PDFInfo
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- CN114772893A CN114772893A CN202210386694.1A CN202210386694A CN114772893A CN 114772893 A CN114772893 A CN 114772893A CN 202210386694 A CN202210386694 A CN 202210386694A CN 114772893 A CN114772893 A CN 114772893A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Drying Of Solid Materials (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to the technical field of sludge drying treatment, in particular to a municipal sludge drying treatment device and a municipal sludge drying treatment method, which comprise the following steps: the protective shell, the top in the protective shell is close to the border position and is provided with the workbin, the below of going up the workbin is provided with the second conveyer belt, be provided with first conveyer belt under the second conveyer belt, the bottom of first conveyer belt is provided with the storage hopper. According to the invention, by arranging the cleaning mechanism, after the reciprocating screw rod rotates, the reciprocating screw rod is matched with the threaded hole to drive the cleaning plate to reciprocate in the feeding box, and because the two side walls of the cleaning plate are respectively and tightly attached to the side walls of the feeding box, the cleaning plate can clean the two side walls of the feeding box in the moving process; at the in-process that the cleaning plate removed, the water pump can make the water in the condensate tank spout from the shower nozzle, can wash the both ends wall of going up the workbin, can wash the stirring roller simultaneously, is favorable to going up the maintenance of workbin and stirring roller, can use manpower sparingly simultaneously.
Description
Technical Field
The invention relates to the technical field of sludge drying treatment, in particular to a municipal sludge drying treatment device and method.
Background
Along with the development of urban construction and the improvement of living standard, the generation amount of urban domestic sludge is increased, and the urban environment and the air quality are affected by long-term accumulation. At present, the method for carrying out batch treatment on municipal domestic sludge generally comprises a physical method and a biochemical method, wherein the physical method is drying treatment, namely removing most of water contained in the sludge, and then carrying out harmless treatment on the residual slag or converting the residual slag into other uses.
Although the existing sludge drying equipment can carry out drying treatment on sludge, the following defects still exist: in the drying process, sludge in the feeding box is easy to remain on the side wall of the feeding box and the stirring roller, the use of the stirring roller and the feeding box is influenced after solidification, the residual sludge needs to be manually cleaned, a large amount of manpower needs to be consumed, and a large amount of water resources need to be consumed.
Therefore, a municipal sludge drying treatment device and a municipal sludge drying treatment method are provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a municipal sludge drying treatment device and a municipal sludge drying treatment method, and solves the technical problems that in the drying process, sludge in a feeding box is easy to remain on the side wall of the feeding box and a stirring roller, the use of the stirring roller and the feeding box is influenced after solidification, the residual sludge needs to be manually cleaned, a large amount of manpower is consumed, and a large amount of water resources are consumed.
In order to achieve the purpose, the invention provides the following technical scheme:
a municipal sludge drying treatment device comprises: a feeding box is arranged at the position, close to the edge, of the top end in the protective shell, a second conveying belt is arranged below the feeding box, a first conveying belt is arranged right below the second conveying belt, a storage hopper is arranged at the bottom end of the first conveying belt, a conveying pipe is communicated below the storage hopper,
further comprising:
the condensing box is arranged on one side, away from the storage hopper, of the first conveying belt, and a heating box is fixedly connected to the top wall of the condensing box;
the second motor is arranged on the front wall of the upper material box, the output end of the second motor extends into the upper material box and is fixedly connected with the squeeze roller, and the squeeze roller is positioned at the edge position of the bottom end of the upper material box;
two stirring rollers are rotatably arranged in the protective shell and are positioned above the extrusion roller;
the reciprocating screw rod is rotatably installed in the feeding box and located two positions above the stirring roller, and a cleaning mechanism used for cleaning the inner wall of the feeding box is arranged on the side wall of the reciprocating screw rod.
Firstly, carry the mud after will deposiing to the workbin, then start the third motor, the third motor can drive the stirring roller rotatory, can make the moisture distribution in the mud even, further start the second motor, the second motor drives the extrusion roller and rotates and extrudees the mud in the workbin on flowing, mud piece after the extrusion drops on the second conveyer belt, then carry through the second conveyer belt, and carry out the mummification to mud and handle, handle the completion back, can be to on the workbin lateral wall and the stirring roller remaining mud is automatic to be cleared up through clearance mechanism, be favorable to the maintenance of workbin and stirring roller, can use manpower sparingly simultaneously.
Preferably, a heater is arranged in the heating box, an air outlet is formed in one side, close to the second conveying belt, of the heating box, a second fan is arranged above the second conveying belt, a first fan is arranged at the bottom end of the condensing box, a compressor is arranged on one side of the first fan, a condensing tank is arranged on the other side of the compressor, a water pump is arranged on the top wall of the condensing tank, and an air inlet is formed in the side wall, close to the first conveying belt, of the condensing box.
After the second fan is started, the second fan can guide the air heated by the heater to the second conveyor belt, the sludge block is dried, the evaporated moisture in the sludge is guided to the condensing box through the first fan to be condensed and recycled, and the evaporated moisture is stored in the condensing box after being extruded by the compressor, so that the water resource can be recycled, a water source can be provided for a cleaning mechanism, and the consumption of the water resource can be reduced.
Preferably, clearance mechanism includes the clearance board of slidable mounting on last workbin lateral wall, and the both sides wall of clearance board closely laminates with the lateral wall of last workbin respectively, the center department of clearance board sets up with reciprocal lead screw matched with screw hole, the both ends of clearance board evenly are provided with a plurality of shower nozzles, and a plurality of shower nozzles are linked together through the water pump on pipe and the condensation jar roof.
When clearing up the material loading box, make reciprocal lead screw rotatory, reciprocal lead screw cooperation screw hole can drive clearance board reciprocating motion in the material loading box, and because the both sides wall of clearance board closely laminates with the lateral wall of material loading box respectively, consequently the clearance board can be with the both sides wall sanitization of material loading box at the removal in-process, at the in-process that clearance board removed, the water pump can be with the water guide in the condensate tank to shower nozzle department, further through the shower nozzle blowout, can wash the both ends wall of material loading box, can wash the stirring roller simultaneously, be favorable to the maintenance of material loading box and stirring roller.
Preferably, go up fixed mounting and have lubricated case on the workbin lateral wall, fixedly connected with third motor on lubricated case's the lateral wall, bottom in the lubricated case is rotated and is installed two respectively with stirring roller fixed connection's first gear, and the output fixed connection of one of them first gear and third motor, the bottom of lubricated case is still rotated and is installed and two the second gear of first gear homogeneous phase meshing, and the one end of reciprocal lead screw extends to lubricated incasement rotation and installs the center department at the second gear.
After the third motor starts, the first gear of third motor output fixed connection can rotate, further can drive another first gear rotation through the second gear, can make two rotate the stirring roller, can make the moisture distribution in the mud even, is favorable to the shaping of sludge block.
Preferably, a lubricating mechanism is further arranged in the lubricating box and comprises an oil tank arranged at the top end in the lubricating box, lubricating oil is arranged in the oil tank, an oil spraying pipe communicated with the oil tank is arranged on the bottom wall of the oil tank and located right above the second gear, and an electromagnetic valve is arranged on the oil spraying pipe.
When using, the user is to the solenoid valve circular telegram back, and the solenoid valve can be opened to lubricating oil in the oil jar can be followed the oil spout pipe and sprayed on the outer wall of second gear, because second gear and two first gear homogeneous phase meshing, consequently lubricating oil on the second gear can adsorb on the outer wall of two first gears, can lubricate first gear and second gear, can reduce the wearing and tearing between second gear and the first gear, be favorable to the long-term use of first gear and second gear.
Preferably, the inboard symmetry of second gear is provided with two stop gear, two stop gear sets up two inboard mounting grooves at the second gear including the symmetry, be provided with the electro-magnet in the mounting groove, one side of mounting groove is provided with the spacer pin with electro-magnet matched with, fixed mounting has the spring between the diapire of bottom and the mounting groove of spacer pin, a plurality of spacing holes with spacer pin matched with have been seted up to the symmetry on the lateral wall of reciprocal lead screw.
When the electromagnetic cleaning device is used normally, the limiting pin is clamped in the mounting groove by the spring, the second gear rotates on the outer wall of the reciprocating screw rod at the moment, the reciprocating screw rod cannot rotate along with the second gear at the moment, the feeding box is cleaned as required, the electromagnet is electrified, the limiting pin can be pushed to move outwards, the limiting pin can be embedded into the limiting hole after the limiting pin rotates to the position corresponding to the limiting hole along with the second gear, the reciprocating screw rod can rotate along with the second gear, the cleaning plate can be further driven to clean the feeding box, the structure is simple, the electromagnetic cleaning device is convenient to use, and after the electromagnet is powered off, the spring can push the limiting pin into the mounting groove again.
Preferably, the length of first conveyer belt is greater than the length of second conveyer belt, the top of conveyer pipe is provided with first motor, the intercommunication is provided with the discharging pipe on the diapire on conveyer pipe top, the output of first motor extends to fixedly connected with helical blade in the conveyer pipe, and helical blade closely laminates with the inner wall of conveyer pipe.
After starting first motor, first motor can drive helical blade rotatory, can be drawn into the mud piece in the storage hopper in the conveyer pipe, further discharges through the discharging pipe, makes things convenient for the user of service to collect and handles.
A municipal sludge drying treatment method comprises the following specific steps:
s1: firstly, conveying the precipitated sludge into a feeding box, starting a third motor, wherein the third motor can drive a stirring roller to rotate, so that the moisture in the sludge can be uniformly distributed, further starting a second motor, and the second motor drives a squeezing roller to rotate to squeeze the sludge flowing out of the feeding box, and then conveying the sludge through a second conveying belt;
s2: starting a second fan to guide air heated by the heater to a second conveying belt, drying the sludge block, guiding evaporated moisture in the sludge to a condensing box through the first fan for condensation and recovery, and storing the moisture in the condensing box after being extruded by a compressor;
s3: the dried sludge falls onto the first conveying belt through the second conveying belt and is further conveyed into the storage hopper through the first conveying belt;
s4: the first motor is started, the first motor drives the helical blade to rotate, the sludge block in the storage hopper can be rolled into the conveying pipe, and the sludge block is further discharged through the discharging pipe to be collected and processed.
Compared with the prior art, the invention has the following beneficial effects:
1. by arranging the cleaning mechanism, after the reciprocating screw rod rotates, the reciprocating screw rod is matched with the threaded hole to drive the cleaning plate to reciprocate in the feeding box, and two side walls of the cleaning plate are respectively tightly attached to the side walls of the feeding box, so that the two side walls of the feeding box can be cleaned by the cleaning plate in the moving process; at the in-process that the clearance board removed, the water pump can make the water in the condensate tank spout from the shower nozzle, can wash the both ends wall of going up the workbin, can wash the stirring roller simultaneously, is favorable to going up the maintenance of workbin and stirring roller, can use manpower sparingly simultaneously.
2. Through setting up lubricating mechanism, when using, after the user switches on the solenoid valve, the solenoid valve can be opened, thereby lubricating oil in the oil tank can be followed and is spouted on the outer wall of second gear to the oil spout pipe, because second gear and two first gear homogeneous phase meshing, consequently lubricating oil on the second gear can adsorb on the outer wall of two first gears, can lubricate first gear and second gear, can reduce the wearing and tearing between second gear and the first gear, be favorable to the long-term use of first gear and second gear.
3. Through setting up stop gear, when normal use, the spring blocks the spacer pin in the mounting groove, the second gear is rotatory on reciprocal lead screw outer wall this moment, reciprocal lead screw can not be rotatory along with the second gear this moment, when needs clear up the material loading case, to the electro-magnet circular telegram, the electro-magnet can promote the spacer pin and outwards remove, after the spacer pin is rotatory to the corresponding position in spacing hole along with the second gear, the spacer pin can imbed spacing downthehole this moment, thereby reciprocal lead screw can be rotatory along with the second gear, further can drive the clearance board and wash the material loading case, moreover, the steam generator is simple in structure, and the steam generator is convenient to use.
Drawings
FIG. 1 is an external view of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the protective shell of the present invention;
FIG. 4 is a front cross-sectional view of the delivery tube of the present invention;
FIG. 5 is a front view of the head box of the present invention;
FIG. 6 is a front cross-sectional view of a lubrication box of the present invention;
FIG. 7 is an enlarged view of B of FIG. 6 in accordance with the present invention;
FIG. 8 is a cross-sectional view of the invention A-A;
FIG. 9 is a schematic view of the cleaning plate of the present invention.
In the figure: 1. a protective shell; 2. feeding a material box; 3. a delivery pipe; 4. a first motor; 5. a discharge pipe; 6. a storage hopper; 7. a first conveyor belt; 8. a second conveyor belt; 9. a second motor; 10. a third motor; 11. an air outlet; 12. a heating box; 13. a condenser tank; 14. an air inlet; 15. a lubrication box; 16. a heater; 17. a condensing tank; 18. a compressor; 19. a first fan; 20. a second fan; 21. a helical blade; 22. a squeeze roll; 23. lubricating oil; 24. an oil spray pipe; 25. an electromagnetic valve; 26. a first gear; 27. a stirring roller; 28. a reciprocating screw rod; 29. a second gear; 30. an electromagnet; 31. a spacing pin; 32. a spring; 33. a limiting hole; 34. a threaded hole; 35. a spray head; 36. and (6) cleaning the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The embodiment of the invention provides a municipal sludge drying treatment device and a municipal sludge drying treatment method, and solves the technical problems that in the drying process, sludge in a feeding box is easy to remain on the side wall of the feeding box and a stirring roller, the use of the stirring roller and the feeding box is influenced after solidification, the residual sludge needs to be manually cleaned, a large amount of manpower is consumed, and a large amount of water resources are consumed.
In order to solve the technical problems, the technical scheme in the embodiment of the invention has the following general idea: the third motor drives the reciprocating screw rod to rotate, the reciprocating screw rod is matched with the threaded hole to drive the cleaning plate to reciprocate in the feeding box, and two side walls of the cleaning plate are respectively tightly attached to the side walls of the feeding box, so that the two side walls of the feeding box can be cleaned up by the cleaning plate in the moving process, in the moving process of the cleaning plate, the water pump can guide water in the condensation tank to the spray head and further spray out through the spray head, two end walls of the feeding box can be washed, and meanwhile, the stirring roller can be washed, compared with the existing sludge drying treatment equipment, the technical scheme needs to manually wash by a user, can save labor force, is beneficial to maintenance of the feeding box and the stirring roller, and water evaporated in sludge is guided into the condensation tank through the first fan to be condensed and recovered, is stored in the condensation tank after being extruded by the compressor, and can recycle water resources, the water source can be provided for a cleaning mechanism, and the consumption of the water source can be reduced;
in order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Referring to fig. 1 to 9, the invention provides a municipal sludge drying treatment device and method, and the technical scheme is as follows:
a municipal sludge drying treatment device comprises: a protective shell 1, a feeding box 2 is arranged at the position close to the edge of the top end in the protective shell 1, a second conveyer belt 8 is arranged below the feeding box 2, a first conveyer belt 7 is arranged right below the second conveyer belt 8, a storage hopper 6 is arranged at the bottom end of the first conveyer belt 7, a conveyer pipe 3 is communicated below the storage hopper 6,
further comprising:
the condensing box 13 is arranged on one side, far away from the storage hopper 6, of the first conveying belt 7, and the top wall of the condensing box 13 is fixedly connected with the heating box 12;
the second motor 9 is arranged on the front wall of the upper feed box 2, the output end of the second motor 9 extends into the upper feed box 2 and is fixedly connected with the extrusion roller 22, and the extrusion roller 22 is positioned at the edge position of the bottom end of the upper feed box 2;
two stirring rollers 27 rotatably installed in the protective shell 1, wherein the two stirring rollers 27 are positioned above the squeezing rollers 22;
the reciprocating screw rod 28 is rotatably installed in the feeding box 2, the reciprocating screw rod 28 is positioned above the two stirring rollers 27, and a cleaning mechanism for cleaning the inner wall of the feeding box 2 is arranged on the side wall of the reciprocating screw rod 28.
Firstly, carry the mud after will deposiing to the workbin 2 in, then start third motor 10, third motor 10 can drive stirring roller 27 rotatory, can make the moisture distribution in the mud even, further start second motor 9, second motor 9 drives squeeze roll 22 and rotates and extrudees the mud that flows out in the workbin 2, the mud piece after the extrusion drops on second conveyer belt 8, then carry through second conveyer belt 8, and carry out the mummification processing to mud, handle and accomplish the back, can clear up remaining mud on the workbin 2 lateral wall and on stirring roller 27 automatically through clearance mechanism, be favorable to the maintenance of workbin 2 and stirring roller 27, can use manpower sparingly simultaneously.
Referring to fig. 3, as an embodiment of the present invention, a heater 16 is disposed in a heating box 12, an air outlet 11 is disposed on one side of the heating box 12 close to a second conveyor belt 8, a second fan 20 is disposed above the second conveyor belt 8, a first fan 19 is disposed at a bottom end of a condensation box 13, a compressor 18 is disposed on one side of the first fan 19, a condensation tank 17 is disposed on the other side of the compressor 18, a water pump is disposed on a top wall of the condensation tank 17, and an air inlet 14 is disposed on a side wall of the condensation box 13 close to a first conveyor belt 7.
After starting second fan 20, second fan 20 can be dried the sludge cake with the air guide to the second conveyer belt 8 after heater 16 heats, and the moisture of evaporation carries out the condensation through 19 guide of first fan in the mud and retrieves in the condensing box 13, through the storage in the condensate tank 17 after the extrusion of compressor 18, can carry out recycle to the water resource, can provide the water source for clearance mechanism, can reduce the consumption of water resource.
8-9, the cleaning mechanism comprises a cleaning plate 36 slidably mounted on the side wall of the upper feed box 2, the two side walls of the cleaning plate 36 are respectively and tightly attached to the side wall of the upper feed box 2, a threaded hole 34 matched with the reciprocating screw rod 28 is formed in the center of the cleaning plate 36, a plurality of spray heads 35 are uniformly arranged at the two ends of the cleaning plate 36, and the spray heads 35 are communicated with a water pump on the top wall of the condensing tank 17 through guide pipes.
When clearing up the material loading box 2, make reciprocal lead screw 28 rotatory, reciprocal lead screw 28 cooperation screw hole 34 can drive cleaning plate 36 at material loading box 2 reciprocating motion, and because the both sides wall of cleaning plate 36 closely laminates with the lateral wall of material loading box 2 respectively, consequently cleaning plate 36 can be with the both sides wall sanitization of material loading box 2 at the removal in-process, at the in-process that cleaning plate 36 removed, the water pump can guide the water in the condensate tank 17 to shower nozzle 35 department, further spout through shower nozzle 35, can wash the both ends wall of material loading box 2, can wash stirring roller 27 simultaneously, be favorable to material loading box 2 and stirring roller 27's maintenance.
As an embodiment of the present invention, referring to fig. 3, 5-6, a lubricating box 15 is fixedly mounted on a side wall of the upper box 2, a third motor 10 is fixedly connected to a side wall of the lubricating box 15, two first gears 26 respectively fixedly connected to the stirring rollers 27 are rotatably mounted at a bottom end in the lubricating box 15, one of the first gears 26 is fixedly connected to an output end of the third motor 10, a second gear 29 meshed with both the first gears 26 is further rotatably mounted at a bottom end of the lubricating box 15, and one end of a reciprocating screw 28 extends to the lubricating box 15 and is rotatably mounted at the center of the second gear 29.
After the third motor 10 starts, the first gear 26 fixedly connected with the output end of the third motor 10 can rotate, and further the second gear 29 can drive the other first gear 26 to rotate, so that the two stirring rollers 27 can rotate, the water in the sludge can be uniformly distributed, and the sludge block forming is facilitated.
Referring to fig. 6, as an embodiment of the present invention, a lubricating mechanism is further provided in the lubricating tank 15, the lubricating mechanism includes an oil tank provided at the top end inside the lubricating tank 15, lubricating oil 23 is provided in the oil tank, an oil spray pipe 24 communicating with the oil tank is provided on the bottom wall of the oil tank, the oil spray pipe 24 is positioned right above the second gear 29, and an electromagnetic valve 25 is provided on the oil spray pipe 24.
When the lubricating oil lubricating device is used, after a user energizes the electromagnetic valve 25, the electromagnetic valve 25 can be opened, so that lubricating oil 23 in the oil tank can be sprayed on the outer wall of the second gear 29 from the oil spraying pipe 24, and the second gear 29 is meshed with the two first gears 26, so that the lubricating oil 23 on the second gear 29 can be adsorbed on the outer walls of the two first gears 26, the first gear 26 and the second gear 29 can be lubricated, abrasion between the second gear 29 and the first gears 26 can be reduced, and the long-term use of the first gears 26 and the second gears 29 is facilitated.
As an embodiment of the present invention, referring to fig. 7, two limiting mechanisms are symmetrically disposed on the inner side of the second gear 29, each of the two limiting mechanisms includes two mounting grooves symmetrically disposed on the inner side of the second gear 29, an electromagnet 30 is disposed in each of the mounting grooves, a limiting pin 31 engaged with the electromagnet 30 is disposed on one side of each of the mounting grooves, a spring 32 is fixedly disposed between the bottom end of each of the limiting pins 31 and the bottom wall of each of the mounting grooves, and a plurality of limiting holes 33 engaged with the limiting pins 31 are symmetrically disposed on the side wall of the reciprocating screw 28.
When in normal use, the spring 32 blocks the limit pin 31 in the mounting groove, the second gear 29 is rotatory on reciprocal lead screw 28 outer wall this moment, reciprocal lead screw 28 can not be rotatory along with the second gear 29 this moment, when needing to clear up the material loading case 2, to the electro-magnet 30 circular telegram, the electro-magnet 30 can promote the outside removal of limit pin 31, after the limit pin 31 is rotatory to the corresponding position of spacing hole 33 along with the second gear 29, the limit pin 31 can imbed in the spacing hole 33 this moment, thereby reciprocal lead screw 28 can be rotatory along with the second gear 29, further can drive the cleaning plate 36 and wash material loading case 2, moreover, the steam generator is simple in structure, and convenient to use, and after the electro-magnet 30 outage, the spring 32 can push the limit pin 31 into the mounting groove again.
Referring to fig. 4, as an embodiment of the present invention, the length of the first conveyor belt 7 is greater than the length of the second conveyor belt 8, the top end of the conveying pipe 3 is provided with a first motor 4, the bottom wall of the top end of the conveying pipe 3 is communicated with a discharge pipe 5, the output end of the first motor 4 extends into the conveying pipe 3 and is fixedly connected with a helical blade 21, and the helical blade 21 is tightly attached to the inner wall of the conveying pipe 3.
After starting first motor 4, first motor 4 can drive helical blade 21 rotatory, can be drawn into conveyer pipe 3 with the sludge cake of 6 in the storage hopper in, further discharges through discharging pipe 5, makes things convenient for the user of service to collect and handles.
The working principle is as follows: firstly, carry the mud after will deposiing to the upper bin 2 in, start third motor 10, third motor 10 output end fixed connection's first gear 26 can rotate, further can drive another first gear 26 through second gear 29 and rotate, can make two rotate stirring roller 27, can make the moisture distribution in the mud even, is favorable to the shaping of mud piece. Further start second motor 9, second motor 9 drives squeeze roll 22 and rotates the mud that flows out in the material loading case 2 and extrude, then carry through second conveyer belt 8, then start second fan 20 and guide to second conveyer belt 8 with the air after heater 16 heats on, dry the sludge cake, and the moisture that evaporates in the mud leads to the condensation tank 13 in through first fan 19 and carries out the condensation recovery, it stores in condensing tank 17 after the extrusion through compressor 18, can carry out recycle to the water resource, can provide the water source for clearance mechanism, can reduce the consumption of water resource. The mud after the stoving further carries to storage hopper 6 in through first conveyer belt 7 through second conveyer belt 8 drops on first conveyer belt 7, starts first motor 4 immediately, and first motor 4 drives helical blade 21 rotatory, can be drawn into the mud piece of 6 in the storage hopper in the conveyer pipe 3, further discharges through discharging pipe 5 and carries out the collection processing. When using, after the user energized solenoid valve 25, solenoid valve 25 can be opened to lubricating oil 23 in the oil jar can be sprayed on the outer wall of second gear 29 from oil spout pipe 24, because second gear 29 and two first gears 26 homogeneous phase meshing, so lubricating oil 23 on the second gear 29 can adsorb on the outer wall of two first gears 26, can lubricate first gear 26 and second gear 29, can reduce the wearing and tearing between second gear 29 and first gear 26, be favorable to first gear with 26 and second gear 29's long-term use. In normal use, the spring 32 clamps the limit pin 31 in the mounting groove, the second gear 29 rotates on the outer wall of the reciprocating screw rod 28, and the reciprocating screw rod 28 cannot rotate along with the second gear 29. When the upper feed box 2 needs to be cleaned, the electromagnet 30 is electrified, the electromagnet 30 can push the limiting pin 31 to move outwards, after the limiting pin 31 rotates to the position corresponding to the limiting hole 33 along with the second gear 29, the limiting pin 31 can be embedded into the limiting hole 33 at the moment, so that the reciprocating screw rod 28 can rotate along with the second gear 29, the reciprocating screw rod 28 is matched with the threaded hole 34 to drive the cleaning plate 36 to reciprocate in the upper feed box 2, and the two side walls of the cleaning plate 36 are tightly attached to the side walls of the upper feed box 2 respectively, so that the cleaning plate 36 can clean the two side walls of the upper feed box 2 in the moving process. At the in-process that cleaning plate 36 removed, the water pump can lead to shower nozzle 35 department with the water in the condensate tank 17, further through shower nozzle 35 blowout, can wash the both ends wall of going up workbin 2, can wash stirring roller 27 simultaneously, is favorable to going up workbin 2 and stirring roller 27's maintenance, simple structure facilitates the use. And when the electromagnet 30 is powered off, the spring 32 can push the limit pin 31 into the mounting groove again.
In the description of the present invention, it is to be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be considered limiting on the scope of the present invention.
The foregoing shows and describes the general principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A municipal sludge drying treatment device comprises: the device comprises a protective shell (1), wherein a feeding box (2) is arranged at the position, close to the edge, of the top end in the protective shell (1), a second conveying belt (8) is arranged below the feeding box (2), a first conveying belt (7) is arranged right below the second conveying belt (8), a storage hopper (6) is arranged at the bottom end of the first conveying belt (7), a conveying pipe (3) is communicated and arranged below the storage hopper (6),
further comprising:
the condensing box (13) is arranged on one side, away from the storage hopper (6), of the first conveying belt (7), and a heating box (12) is fixedly connected to the top wall of the condensing box (13);
the second motor (9) is arranged on the front wall of the upper material box (2), the output end of the second motor (9) extends into the upper material box (2) and is fixedly connected with a squeezing roller (22), and the squeezing roller (22) is positioned at the edge position of the bottom end of the upper material box (2);
two stirring rollers (27) rotatably arranged in the protective shell (1), wherein the two stirring rollers (27) are positioned above the squeezing roller (22);
the rotary mounting is in go up reciprocal lead screw (28) in workbin (2), and reciprocal lead screw (28) are located two the top of stirring roller (27), be provided with the clearance mechanism that is used for going on clearing up the inner wall of workbin (2) on the lateral wall of reciprocal lead screw (28).
2. The municipal sludge drying treatment device according to claim 1, wherein: be provided with heater (16) in heating cabinet (12), heating cabinet (12) are close to air outlet (11) have been seted up to one side of second conveyer belt (8), the top of second conveyer belt (8) is provided with second fan (20), the bottom of condenser box (13) is provided with first fan (19), one side of first fan (19) is provided with compressor (18), the opposite side of compressor (18) is provided with condensing tank (17), and is provided with the water pump on the roof of condensing tank (17), air intake (14) have been seted up on the lateral wall of condenser box (13) near first conveyer belt (7).
3. The municipal sludge drying treatment device according to claim 1, wherein: clearance mechanism includes cleaning plate (36) of slidable mounting on last workbin (2) lateral wall, and the both sides wall of cleaning plate (36) closely laminates with the lateral wall of last workbin (2) respectively, the center department of cleaning plate (36) offers and reciprocates lead screw (28) matched with screw hole (34), the both ends of cleaning plate (36) evenly are provided with a plurality of shower nozzles (35), and a plurality of shower nozzles (35) are linked together through the water pump on pipe and condensate tank (17) roof.
4. The municipal sludge drying treatment device according to claim 3, wherein: go up on workbin (2) lateral wall fixed mounting and have lubrication box (15), fixedly connected with third motor (10) on the lateral wall of lubrication box (15), bottom in lubrication box (15) is rotated and is installed two first gears (26) with stirring roller (27) fixed connection respectively, and the output fixed connection of one of them first gear (26) and third motor (10), the bottom of lubrication box (15) still rotates and installs and two second gear (29) of first gear (26) homogeneous phase meshing, and the one end of reciprocal lead screw (28) extends to lubrication box (15) internal rotation and installs the center department at second gear (29).
5. The municipal sludge drying treatment device according to claim 4, wherein: the lubricating mechanism is further arranged in the lubricating box (15) and comprises an oil tank arranged at the top end in the lubricating box (15), lubricating oil (23) is arranged in the oil tank, an oil spraying pipe (24) communicated with the oil tank is arranged on the bottom wall of the oil tank, the oil spraying pipe (24) is located right above the second gear (29), and an electromagnetic valve (25) is arranged on the oil spraying pipe (24).
6. The municipal sludge drying treatment device according to claim 4, wherein: the inboard symmetry of second gear (29) is provided with two stop gear, two stop gear sets up two inboard mounting grooves in second gear (29) including the symmetry, be provided with electro-magnet (30) in the mounting groove, one side of mounting groove is provided with and stops pin (31) with electro-magnet (30) matched with, fixed mounting has spring (32) between the bottom of stop pin (31) and the diapire of mounting groove, spacing hole (33) a plurality of and stop pin (31) matched with have been seted up to the symmetry on the lateral wall of reciprocal lead screw (28).
7. The municipal sludge drying treatment device according to claim 6, wherein: the length of first conveyer belt (7) is greater than the length of second conveyer belt (8), the top of conveyer pipe (3) is provided with first motor (4), the intercommunication is provided with discharging pipe (5) on the diapire on conveyer pipe (3) top, the output of first motor (4) extends to conveyer pipe (3) internal fixedly connected with helical blade (21), and the inner wall of helical blade (21) and conveyer pipe (3) closely laminates.
8. A municipal sludge drying treatment method is characterized by comprising the following steps: the municipal sludge drying treatment method comprises the following specific steps:
s1: firstly, conveying precipitated sludge into an upper material box (2), starting a third motor (10), wherein the third motor (10) can drive a stirring roller (27) to rotate so as to enable moisture in the sludge to be uniformly distributed, further starting a second motor (9), and the second motor (9) drives an extrusion roller (22) to rotate so as to extrude the sludge flowing out of the upper material box (2), and then conveying the sludge through a second conveying belt (8);
s2: a second fan (20) is started to guide air heated by a heater (16) to a second conveying belt (8) to dry sludge blocks, evaporated moisture in the sludge is guided into a condensing box (13) through a first fan (19) to be condensed and recovered, and the condensed and recovered moisture is extruded by a compressor (18) and then is stored in a condensing tank (17);
s3: the dried sludge falls onto the first conveyer belt (7) through the second conveyer belt (8), and is further conveyed into the storage hopper (6) through the first conveyer belt (7);
s4: start first motor (4), first motor (4) drive helical blade (21) rotatory, can be drawn into the sludge block of (6) in the storage hopper in conveyer pipe (3), further discharge through discharging pipe (5) and collect the processing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210386694.1A CN114772893B (en) | 2022-04-13 | 2022-04-13 | Municipal sludge drying treatment device and method |
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| CN202210386694.1A CN114772893B (en) | 2022-04-13 | 2022-04-13 | Municipal sludge drying treatment device and method |
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| CN114772893B (en) | 2023-09-29 |
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