CN114772893B - Municipal sludge drying treatment device and method - Google Patents
Municipal sludge drying treatment device and method Download PDFInfo
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- CN114772893B CN114772893B CN202210386694.1A CN202210386694A CN114772893B CN 114772893 B CN114772893 B CN 114772893B CN 202210386694 A CN202210386694 A CN 202210386694A CN 114772893 B CN114772893 B CN 114772893B
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- box
- sludge
- motor
- feeding box
- conveying belt
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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
-
- 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 method, comprising the following steps: the automatic feeding device comprises a protective shell, wherein 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, and a storage hopper is arranged at the bottom end of the first conveying belt. According to the invention, the cleaning mechanism is arranged, when 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 the two side walls of the cleaning plate are respectively and 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 condensation tank follow shower nozzle blowout, 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
With the development of urban construction and the improvement of living standard, the generation amount of urban domestic sludge is larger and larger, and the accumulation of the urban domestic sludge in a long time very influences urban environment and air quality. The existing method for carrying out batch treatment on municipal domestic sludge is generally a physical method and a biochemical method, the physical method is generally drying treatment, namely, most of water contained in the sludge is removed, and then the rest slag is subjected to innocent treatment or is converted into other use, so that the physical drying treatment mode has obvious advantages compared with the biochemical treatment mode, such as small occupied area of treatment equipment, short treatment period, difficult secondary pollution and the like.
The existing sludge drying equipment can carry out drying treatment on sludge, but the following defects still exist: in the drying process, the sludge in the feeding box is easy to remain on the side wall of the feeding box and the stirring roller, the stirring roller and the feeding box are affected after solidification, and the residual sludge is required to be manually cleaned, so that a large amount of manpower is required to be consumed, and a large amount of water resource is required 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, which solve the technical problems that sludge in a feeding box is easy to remain on the side wall of the feeding box and a stirring roller in the drying process, the use of the stirring roller and the feeding box is affected 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 above purpose, the present invention provides the following technical solutions:
a municipal sludge drying treatment device, comprising: the protective shell, the top in the protective shell is provided with a feeding box near the edge, a second conveyer belt is arranged below the feeding box, a first conveyer belt is arranged right below the second conveyer belt, the bottom of the first conveyer belt is provided with a storage hopper, a conveyer pipe is arranged below the storage hopper in a communicating way,
further comprises:
the condensing box is arranged at one side of the first conveying belt away from the storage hopper, and the top wall of the condensing box is fixedly connected with a heating box;
the output end of the second motor extends to the edge position of the bottom end of the feeding box, and is fixedly connected with a squeeze roller;
the two stirring rollers are rotatably arranged in the protective shell and are positioned above the extrusion roller;
the reciprocating screw rod is rotatably arranged in the feeding box and is positioned above the two stirring rollers, and a cleaning mechanism 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 depositing to go up in the workbin, then start the third motor, the third motor can drive the stirring roller and rotate, can make the moisture distribution in the mud even, further start the second motor, the second motor drives the squeeze roll and rotates and extrude the mud that flows out in the workbin, the mud piece after the extrusion drops on the second conveyer belt, then carry through the second conveyer belt, and carry out the desiccation to mud, after the processing is accomplished, can be to going up on the workbin lateral wall and the stirring roller on remaining mud automatic clear 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 tank.
After starting the second fan, the second fan can be with the air guide behind the heater heating to the second conveyer belt on, dries the mud piece, and the moisture that evaporates in the mud is guided to the condensation in the condensation tank through first fan and is retrieved, stores in the condensation tank after squeezing through the compressor, can carry out recycle to the water resource, can provide the water source for clearance mechanism, can reduce the consumption of water resource.
Preferably, the 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 last workbin lateral wall respectively, the center department of clearance board has seted 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 tank roof.
When clearing up the material loading case, make reciprocating screw rotatory, reciprocating screw cooperation screw hole can drive clearance board and go up the interior reciprocating motion of material loading case, and because clearance board's both sides wall closely laminates with the lateral wall of material loading case respectively, consequently clearance board can be with the both sides wall clean up of material loading case at the in-process that the clearance board removed, the water pump can be with the water guide in the condensation tank to shower nozzle department, further through shower nozzle blowout, can wash the both ends wall of material loading case, can wash the stirring roller simultaneously, be favorable to the maintenance of material loading case and stirring roller.
Preferably, the lubrication box is fixedly installed on the side wall of the feeding box, the third motor is fixedly connected on the side wall of the lubrication box, two first gears which are fixedly connected with the stirring roller respectively are rotatably installed at the bottom end in the lubrication box, one of the first gears is fixedly connected with the output end of the third motor, the second gears which are meshed with the two first gears are rotatably installed at the bottom end of the lubrication box, and one end of the reciprocating screw rod extends to the center of the second gears in a rotating mode.
After the third motor starts, the first gear fixedly connected with the output end of the third motor can rotate, the second gear can further drive the other first gear to rotate, the two stirring rollers can rotate, water in sludge can be uniformly distributed, and the forming of sludge blocks is facilitated.
Preferably, the lubrication box is internally provided with a lubrication mechanism, the lubrication mechanism comprises an oil tank arranged at the top end inside the lubrication box, lubricating oil is arranged in the oil tank, an oil injection pipe communicated with the oil tank is arranged on the bottom wall of the oil tank, the oil injection pipe is located right above the second gear, and an electromagnetic valve is arranged on the oil injection 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 tank can spray on the outer wall of second gear from the injection pipe, because second gear and two first gears homogeneous phase meshing, therefore 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, is 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 is including the symmetry seting up two mounting grooves in the second gear inboard, be provided with the electro-magnet in the mounting groove, one side of mounting groove is provided with the spacer pin with electromagnet matched with, fixed mounting has the spring between the bottom of spacer pin and the diapire of mounting groove, a plurality of spacing holes with spacer pin matched with have been seted up to the symmetry on reciprocating screw's the lateral wall.
When normal use, the spring clamps the spacer pin in the mounting groove, the second gear rotates on the outer wall of the reciprocating screw rod at this moment, the reciprocating screw rod can not rotate along with the second gear at this moment, when the feeding box needs to be cleaned, the electromagnet is electrified, the electromagnet can push the spacer pin to move outwards, after the spacer pin rotates to the position corresponding to the spacer hole along with the second gear, the spacer pin can be embedded into the spacer hole at this moment, thereby 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 use is convenient, and after the electromagnet is powered off, the spring can push the spacer pin into the mounting groove again.
Preferably, the length of the first conveyer belt is greater than the length of the 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 conveyer pipe internal fixation and is connected with helical blade, and helical blade closely laminates with the inner wall of conveyer pipe.
After the first motor is started, the first motor can drive the spiral blade to rotate, sludge blocks in the storage hopper can be rolled into the conveying pipe and further discharged through the discharging pipe, and the sludge blocks are collected and treated by a user conveniently.
A municipal sludge drying treatment method comprises the following specific steps:
s1: firstly, conveying the precipitated sludge into an upper feed box, starting a third motor, enabling the third motor to drive a stirring roller to rotate, enabling moisture in the sludge to be uniformly distributed, further starting a second motor, enabling a squeezing roller to rotate to squeeze the sludge flowing out of the upper feed box, and conveying the sludge through a second conveying belt;
s2: starting a second fan to guide the air heated by the heater onto a second conveyor belt to dry the sludge blocks, guiding the evaporated moisture in the sludge into a condensing box through the first fan to be condensed and recovered, and storing the condensed moisture in the condensing box after being extruded by a compressor;
s3: the dried sludge falls on the first conveyor belt through the second conveyor belt and is further conveyed into the storage hopper through the first conveyor belt;
s4: the first motor is started, and drives the helical blade to rotate, so that sludge blocks in the storage hopper can be rolled into the conveying pipe and further discharged through the discharging pipe to be collected.
Compared with the prior art, the invention has the beneficial effects that:
1. through setting up the clearance mechanism, when reciprocating screw rod rotation back, reciprocating screw rod cooperation screw hole can drive the clearance board and go up the workbin and reciprocate in, and because the both sides wall of clearance board closely laminates with the lateral wall of last workbin respectively, therefore the clearance board can be with the both sides wall clean of last workbin in the removal process; at the in-process that the clearance board removed, the water pump can make the water in the condensation tank follow shower nozzle blowout, 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 lubrication mechanism, 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 tank can spray on the outer wall of second gear from the injection pipe, because second gear and two first gears homogeneous phase meshing, therefore 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, is favorable to the long-term use of first gear and second gear.
3. Through setting up stop gear, when normal use, the spring will limit the round pin card in the mounting groove, this moment the second gear is rotatory on reciprocating screw outer wall, reciprocating screw can not rotate along with the second gear this moment, when need clear up the material loading case, the circular telegram to the electro-magnet, the electro-magnet can promote the round pin and outwards remove, after the round pin rotates to the corresponding position in spacing hole along with the second gear, the round pin can imbed in spacing hole this moment, thereby reciprocating screw can rotate along with the second gear, further can drive the clearance board and wash the material loading case, and steam generator is simple in structure, facilitate the use.
Drawings
FIG. 1 is an external view of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the protective shell according to the present invention;
FIG. 4 is a front cross-sectional view of a delivery tube of the present invention;
FIG. 5 is a front view of the feed box of the present invention;
FIG. 6 is a front cross-sectional view of the 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 structure of the cleaning plate of the present invention.
In the figure: 1. a protective shell; 2. feeding a material box; 3. a delivery tube; 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 condensing box; 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 injection 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 limiting pin; 32. a spring; 33. a limiting hole; 34. a threaded hole; 35. a spray head; 36. and cleaning the plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention provides a municipal sludge drying treatment device and a municipal sludge drying treatment method, which solve the technical problems that sludge in a feeding box is easy to remain on the side wall of the feeding box and a stirring roller in the drying process, the use of the stirring roller and the feeding box is affected 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.
The technical scheme in the embodiment of the invention aims to solve the technical problems, and the overall thought is as follows: 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 as the two side walls of the cleaning plate are respectively tightly attached to the side walls of the feeding box, the two side walls of the feeding box can be cleaned up in the moving process of the cleaning plate, the water pump can guide the water in the condensing tank to the spray head, the water pump is further sprayed out through the spray head, the two end walls of the feeding box can be washed, meanwhile, the stirring roller can be washed, compared with the conventional sludge drying treatment equipment, a user is required to manually wash, the technical scheme can save labor force, is favorable for the maintenance of the feeding box and the stirring roller, and the evaporated water in the sludge is guided into the condensing box through the first fan to be condensed and recovered, and can be stored in the condensing tank after being extruded by the compressor, so that water resources can be recycled, a water source can be provided for a cleaning mechanism, and the consumption of the water resources can be reduced;
in order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and 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, comprising: the protective shell 1, the top end in the protective shell 1 is provided with a feeding box 2 near the edge, 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, the bottom end of the first conveyer belt 7 is provided with a storage hopper 6, a conveyer pipe 3 is arranged below the storage hopper 6 in a communicating way,
further comprises:
the condensing box 13 is arranged at one side of the first conveying belt 7 far away from the storage hopper 6, 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 to the upper feed box 2 and is fixedly connected with the squeeze roller 22, and the squeeze 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 housing 1, the two stirring rollers 27 being located above the squeeze roller 22;
the reciprocating screw rod 28 arranged in the feeding box 2 is rotated, 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, the precipitated sludge is conveyed into the upper feed box 2, then the third motor 10 is started, the third motor 10 can drive the stirring roller 27 to rotate, so that the water in the sludge is uniformly distributed, the second motor 9 is further started, the second motor 9 drives the extrusion roller 22 to rotate so as to extrude the sludge flowing out of the upper feed box 2, extruded sludge blocks fall on the second conveying belt 8 and then are conveyed through the second conveying belt 8, drying treatment is carried out on the sludge, and after the treatment is finished, the residual sludge on the side wall of the upper feed box 2 and the stirring roller 27 can be automatically cleaned through the cleaning mechanism, so that the maintenance of the upper feed box 2 and the stirring roller 27 is facilitated, and meanwhile, the labor can be saved.
As an embodiment of the present invention, referring to fig. 3, a heater 16 is disposed in a heating box 12, an air outlet 11 is formed 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 the bottom end of a condensing box 13, a compressor 18 is disposed on one side of the first fan 19, a condensing tank 17 is disposed on the other side of the compressor 18, a water pump is disposed on the top wall of the condensing tank 17, and an air inlet 14 is formed on the side wall of the condensing box 13 close to the first conveyor belt 7.
After the second fan 20 is started, the second fan 20 can guide the air heated by the heater 16 to the second conveying belt 8 to dry the sludge blocks, and the water evaporated in the sludge is guided to the condensing tank 13 through the first fan 19 to be condensed and recovered, is stored in the condensing tank 17 after being extruded by the compressor 18, so that the water resources can be recycled, a water source can be provided for a cleaning mechanism, and the consumption of the water resources can be reduced.
8-9, the cleaning mechanism comprises a cleaning plate 36 slidably mounted on the side wall of the upper bin 2, two side walls of the cleaning plate 36 are respectively and tightly attached to the side wall of the upper bin 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 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 a guide pipe.
When the feeding box 2 is cleaned, the reciprocating screw rod 28 is made to rotate, the reciprocating screw rod 28 is matched with the threaded hole 34 to drive the cleaning plate 36 to reciprocate in the feeding box 2, and as the two side walls of the cleaning plate 36 are respectively tightly attached to the side walls of the feeding box 2, the two side walls of the feeding box 2 can be cleaned by the cleaning plate 36 in the moving process, water in the condensing tank 17 can be guided to the spray head 35 by the water pump in the moving process of the cleaning plate 36, the water can be sprayed out through the spray head 35, the two end walls of the feeding box 2 can be washed, and meanwhile, the stirring roller 27 can be cleaned, so that the feeding box 2 and the stirring roller 27 are maintained.
As an embodiment of the present invention, referring to fig. 3 and 5-6, a lubrication box 15 is fixedly installed on a side wall of the feeding box 2, a third motor 10 is fixedly connected to a side wall of the lubrication box 15, two first gears 26 fixedly connected to stirring rollers 27 are rotatably installed at a bottom end in the lubrication box 15, one of the first gears 26 is fixedly connected to an output end of the third motor 10, a second gear 29 engaged with both the two first gears 26 is rotatably installed at a bottom end of the lubrication box 15, and one end of a reciprocating screw 28 extends into the lubrication box 15 and is rotatably installed at a center of the second gear 29.
After the third motor 10 is started, the first gear 26 fixedly connected with the output end of the third motor 10 can rotate, and the second gear 29 can further drive the other first gear 26 to rotate, so that the two stirring rollers 27 can rotate, water in sludge can be uniformly distributed, and the forming of sludge blocks is facilitated.
As an embodiment of the present invention, referring to fig. 6, a lubrication mechanism is further provided in the lubrication box 15, the lubrication mechanism includes an oil tank provided at an inner top end of the lubrication box 15, a lubricating oil 23 is provided in the oil tank, an oil injection pipe 24 communicating with the oil tank is provided on a bottom wall of the oil tank, the oil injection pipe 24 is located right above the second gear 29, and a solenoid valve 25 is provided on the oil injection pipe 24.
When the oil spraying device is used, after a user energizes the electromagnetic valve 25, the electromagnetic valve 25 can be opened, so that lubricating oil 23 in an oil tank can be sprayed on the outer walls of the second gears 29 from the oil spraying pipe 24, and as the second gears 29 are meshed with the two first gears 26, the lubricating oil 23 on the second gears 29 can be adsorbed on the outer walls of the two first gears 26, the first gears 26 and the second gears 29 can be lubricated, abrasion between the second gears 29 and the first gears 26 can be reduced, and 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 limiting mechanism includes two mounting grooves symmetrically disposed on the inner side of the second gear 29, an electromagnet 30 is disposed in each mounting groove, a limiting pin 31 matched with the electromagnet 30 is disposed on one side of each mounting groove, a spring 32 is fixedly disposed between the bottom end of each limiting pin 31 and the bottom wall of each mounting groove, and a plurality of limiting holes 33 matched with the limiting pins 31 are symmetrically disposed on the side wall of the reciprocating screw 28.
When the device is normally used, the limiting pin 31 is clamped in the mounting groove by the spring 32, the second gear 29 rotates on the outer wall of the reciprocating screw rod 28, the reciprocating screw rod 28 cannot rotate along with the second gear 29, when the feeding 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, the reciprocating screw rod 28 can rotate along with the second gear 29, the cleaning plate 36 can be further driven to clean the feeding box 2, the device is simple in structure and convenient to use, and after the electromagnet 30 is powered off, the limiting pin 31 can be pushed into the mounting groove by the spring 32 again.
As an embodiment of the present invention, referring to fig. 4, the length of the first conveyor belt 7 is greater than that of the second conveyor belt 8, the top end of the conveying pipe 3 is provided with the first motor 4, the bottom wall of the top end of the conveying pipe 3 is provided with the discharging pipe 5 in a communicating manner, the output end of the first motor 4 extends into the conveying pipe 3 and is fixedly connected with the helical blade 21, and the helical blade 21 is closely attached to the inner wall of the conveying pipe 3.
After the first motor 4 is started, the first motor 4 can drive the helical blade 21 to rotate, sludge blocks in the storage hopper 6 can be rolled into the conveying pipe 3 and further discharged through the discharging pipe 5, and convenience is brought to users for collection treatment.
Working principle: firstly, the precipitated sludge is conveyed into the upper feed box 2, the third motor 10 is started, the first gear 26 fixedly connected with the output end of the third motor 10 can rotate, the other first gear 26 can be driven to rotate through the second gear 29, the two stirring rollers 27 can rotate, water in the sludge can be uniformly distributed, and the forming of sludge blocks is facilitated. Further start second motor 9, second motor 9 drives squeeze roll 22 rotation and extrudees the mud in the outflow material loading case 2, then carry through second conveyer belt 8, then start second fan 20 with the air guide behind the heater 16 heating to on the second conveyer belt 8, dry the mud piece, and the evaporation of water content in the mud is guided to in the condensing tank 13 through first fan 19 and is condensed and retrieve, store in condensing 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. The dried sludge falls on the first conveying belt 7 through the second conveying belt 8, is further conveyed into the storage hopper 6 through the first conveying belt 7, then the first motor 4 is started, the first motor 4 drives the helical blades 21 to rotate, and the sludge blocks in the storage hopper 6 can be wound into the conveying pipe 3 and further discharged through the discharging pipe 5 to be collected. When the oil spraying device is used, after a user energizes the electromagnetic valve 25, the electromagnetic valve 25 can be opened, so that lubricating oil 23 in an oil tank can be sprayed on the outer walls of the second gears 29 from the oil spraying pipe 24, and as the second gears 29 are meshed with the two first gears 26, the lubricating oil 23 on the second gears 29 can be adsorbed on the outer walls of the two first gears 26, the first gears 26 and the second gears 29 can be lubricated, abrasion between the second gears 29 and the first gears 26 can be reduced, and long-term use of the first gears 26 and the second gears 29 is facilitated. During normal use, the spring 32 clamps the limiting 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 feeding box 2 needs to be cleaned, the electromagnet 30 is electrified, the electromagnet 30 can push the limiting pin 31 to move outwards, when the limiting pin 31 rotates to a 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, the reciprocating screw rod 28 can rotate along with the second gear 29, the reciprocating screw rod 28 can drive the cleaning plate 36 to reciprocate in the feeding box 2 in cooperation with the threaded hole 34, and as two side walls of the cleaning plate 36 are respectively tightly attached to the side walls of the feeding box 2, the two side walls of the feeding box 2 can be cleaned by the cleaning plate 36 in the moving process. In the process that clearance board 36 removed, the water pump can be with the water guide in the condensation tank 17 to shower nozzle 35 department, further spouts through shower nozzle 35, 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, facilitate the use. And when the electromagnet 30 is powered off, the spring 32 can push the limiting pin 31 into the mounting groove again.
In the description of the present invention, it should be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the scope of the present invention.
The foregoing has shown and described the basic 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, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A municipal sludge drying treatment device, comprising: the protective shell (1), the top in the protective shell (1) is provided with a feeding box (2) near the edge, 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 arranged below the storage hopper (6) in a communicating manner,
further comprises:
the condensing box (13) is arranged at one side of the first conveying belt (7) far away from the storage hopper (6), 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 feeding box (2), the output end of the second motor (9) extends to the position, in the feeding box (2), of the edge, where the extrusion roller (22) is fixedly connected, and the extrusion roller (22) is located at the edge of the bottom end of the feeding box (2);
two stirring rollers (27) rotatably mounted in the protective shell (1), wherein the two stirring rollers (27) are positioned above the extrusion roller (22);
the reciprocating screw rod (28) is rotatably arranged 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);
the cleaning mechanism comprises a cleaning plate (36) which is slidably arranged on the side wall of the feeding box (2), two side walls of the cleaning plate (36) are respectively and tightly attached to the side wall of the feeding 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 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 a guide pipe;
a lubrication box (15) is fixedly arranged on the side wall of the feeding box (2), a third motor (10) is fixedly connected on the side wall of the lubrication box (15), two first gears (26) which are respectively and fixedly connected with stirring rollers (27) are rotatably arranged at the bottom end in the lubrication box (15), one of the first gears (26) is fixedly connected with the output end of the third motor (10), a second gear (29) which is meshed with the two first gears (26) is rotatably arranged at the bottom end of the lubrication box (15), and one end of a reciprocating screw (28) extends to the center of the lubrication box (15) and is rotatably arranged at the second gear (29);
the inside symmetry of second gear (29) is provided with two stop gear, two stop gear is including the symmetry seting up two mounting grooves in second gear (29) inboard, be provided with electro-magnet (30) in the mounting groove, one side of mounting groove be provided with electro-magnet (30) matched with spacer pin (31), fixed mounting has spring (32) between the diapire of bottom and the mounting groove of spacer pin (31), a plurality of and spacer pin (31) matched with spacing hole (33) have been seted up to the symmetry on the lateral wall of reciprocating 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 one side of second conveyer belt (8) has been seted up air outlet (11), the top of second conveyer belt (8) is provided with second fan (20), the bottom of condensing cabinet (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 condensation tank (17), and is provided with the water pump on the roof of condensation tank (17), air intake (14) have been seted up on the lateral wall of condensing cabinet (13) near first conveyer belt (7).
3. The municipal sludge drying treatment device according to claim 1, wherein: still be provided with lubricated mechanism in lubricating box (15), lubricated mechanism is including setting up the oil tank on the inside top of lubricating box (15), be provided with lubricating oil (23) in the oil tank, be provided with on the diapire of oil tank and spout oil pipe (24) that are linked together with the oil tank, and spout oil pipe (24) and be located directly over second gear (29), be provided with solenoid valve (25) on spouting oil pipe (24).
4. The municipal sludge drying treatment device according to claim 1, 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 helical blade (21) are closely laminated with the inner wall of conveyer pipe (3).
5. A sludge drying treatment process of the municipal sludge drying treatment apparatus according to any one of claims 1 to 4, wherein: the municipal sludge drying treatment method comprises the following specific steps:
s1: firstly, conveying the precipitated sludge into an upper feed box (2), starting a third motor (10), enabling a stirring roller (27) to rotate by the third motor (10), enabling water in the sludge to be uniformly distributed, further starting a second motor (9), enabling a squeeze roller (22) to rotate by the second motor (9) to squeeze the sludge flowing out of the upper feed box (2), and conveying the sludge through a second conveying belt (8);
s2: starting a second fan (20) to guide air heated by a heater (16) onto a second conveying belt (8) to dry sludge blocks, guiding evaporated moisture in the sludge into a condensing box (13) through a first fan (19) to be condensed and recovered, extruding the sludge through a compressor (18), and storing the sludge in a condensing tank (17);
s3: the dried sludge falls on the first conveying belt (7) through the second conveying belt (8), and is further conveyed into the storage hopper (6) through the first conveying belt (7);
s4: the first motor (4) is started, the first motor (4) drives the helical blade (21) to rotate, sludge blocks in the storage hopper (6) can be rolled into the conveying pipe (3), and the sludge blocks are further discharged through the discharging pipe (5) to be collected.
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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 true CN114772893B (en) | 2023-09-29 |
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| CN114772893A (en) | 2022-07-22 |
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