CN109179943B - Working method of drying treatment device for municipal sludge - Google Patents
Working method of drying treatment device for municipal sludge Download PDFInfo
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- CN109179943B CN109179943B CN201811314372.6A CN201811314372A CN109179943B CN 109179943 B CN109179943 B CN 109179943B CN 201811314372 A CN201811314372 A CN 201811314372A CN 109179943 B CN109179943 B CN 109179943B
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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
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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
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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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
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Processing Of Solid Wastes (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the technical field of municipal administration, in particular to a drying treatment device for municipal sludge, which comprises a shell, wherein a feeding device is arranged on one side of the upper end of the shell, a rotating shaft is rotatably connected inside a drying cylinder, a ventilation groove is formed in the middle of the left end of the rotating shaft, a mesh enclosure is arranged inside the ventilation hole, an exhaust pipe is connected to the lower end of the exhaust groove, a heat conduction pipe is wound on the outer side of the drying cylinder, the lower end of the heat conduction pipe is connected with the exhaust pipe, the upper end of the air outlet pipe penetrates through a heat insulation cover and the shell to be connected with a purification device, the lower end of the material conveying pipe is connected with a crushing device, and the lower end of the material guiding pipe is connected with a drying device. The sludge drying machine is reasonable in structural design, convenient and fast to use, can thoroughly dry sludge through three-step drying treatment, is good in drying effect, high in drying efficiency, energy-saving, more environment-friendly, strong in practicability and functionality, and worthy of popularization and use.
Description
Technical Field
The invention relates to the technical field of municipal administration, in particular to a working method of a drying treatment device for municipal sludge.
Background
Municipal administration refers to various administrative works of a city. Also referred to as market trading transactions; and (5) city management work. Including industrial and commercial, traffic, public security, cultural and educational, environmental, sanitary, infrastructure, etc. In municipal works, a large amount of sludge can appear when dredging and cleaning pipelines, ditches and the like. Traditional silt clearance mode is all cleared up silt through the manual work, then abandons, and the smell of silt is relatively poor, and this kind of clearance mode causes environmental pollution easily, can cause the wasting of resources moreover, because contains a large amount of organic matters in the silt, can regard as soil fertilizer or fuel to use.
The sludge can be put into use only after being subjected to a drying treatment step. Its kind of silt treatment facility is few in the existing market, mostly carries out the drying through simple heating, and drying efficiency is lower, and the portion can recycle the higher steam of temperature that silt produced in drying process, and consequently the power consumption is great in the drying process, and drying cost is big, and the steam that produces moreover directly discharges, causes environmental pollution easily, has great use limitation. To this end, we propose a drying treatment device for municipal sludge to solve such problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a drying treatment device for municipal sludge.
In order to achieve the purpose, the invention adopts the following technical scheme:
the drying treatment device for the municipal sludge comprises a shell, wherein a feeding device is arranged on one side of the upper end of the shell, a heat-insulating cover is arranged on the upper portion of an inner cavity of the shell, a drying cylinder is arranged in the heat-insulating cover, a rotating shaft is rotatably connected in the drying cylinder, a spiral blade is sleeved on the outer side of the rotating shaft, the left end of the rotating shaft penetrates through the heat-insulating cover and the shell and extends to the outer side of the shell, a ventilating groove is formed in the middle of the left end of the rotating shaft, ventilating holes communicated with the ventilating groove are uniformly formed in the outer wall of the rotating shaft, a mesh cover is arranged in the ventilating hole, a second motor is installed on the upper portion of the right side of the outer wall of the shell, an output shaft of the second motor penetrates through the shell and the heat-insulating cover and is connected with the right end of the rotating shaft, an exhaust groove is formed in the left side of the lower end of the drying cylinder, a mesh cover is arranged in the exhaust groove, and the lower end of the exhaust groove is connected with an exhaust pipe, the outside winding of a stoving section of thick bamboo has the heat pipe, the lower extreme of heat pipe is connected with the blast pipe, the upper end of heat pipe is connected with the outlet duct, the upper end of outlet duct runs through heat preservation cover and casing and is connected with purifier, the lower extreme right side of a stoving section of thick bamboo is connected with the conveying pipeline, the lower extreme of conveying pipeline is connected with reducing mechanism, reducing mechanism's lower extreme left side is connected with the passage, the lower extreme of passage is connected with drying device.
Preferably, the two sides of the lower end of the shell are symmetrically provided with universal wheels, and the universal wheels are self-locking universal wheels.
Preferably, the feeding device comprises a feeding box connected with the shell, blanking pipes are symmetrically arranged on two sides of the lower end of the feeding box, a screen is horizontally arranged in the middle of an inner cavity of the feeding box, an installation block is arranged in the middle of the lower end of the screen, guide sieve plates matched with the blanking pipes for use are respectively hinged to two sides of the installation block through pin shafts, a first electric push rod is installed in the middle of the lower end of the installation block, a magnetic extrusion block is connected to the lower end of the first electric push rod, a water collecting tank is arranged in the middle of the bottom end of the inner cavity of the feeding box, a drain pipe is connected to one side of the outer wall of the water collecting tank and penetrates through the feeding box and extends to the outside, a first motor is installed at the top of the inner cavity of the feeding box, a rotary disc is fixedly connected to an output shaft of the first motor, a connecting rod is hinged to the outside of the rotary disc through a pin shaft, and a pressing plate is hinged to the lower end of the connecting rod through a pin shaft, go up the outer wall left side of workbin and install second electric putter, second electric putter's one end runs through the workbin and is connected with the scraper blade that uses with the screen cloth cooperation, the outer wall right side of going up the workbin is equipped with the scum pipe, the inside of scum pipe is equipped with switch valve.
Preferably, the purification device comprises a purification box and a filter screen frame, wherein an air distribution plate communicated with an air outlet pipe is arranged on the right side of an inner cavity of the purification box, a first mounting plate is symmetrically arranged at the middle part of the upper end and the middle part of the lower end of the inner wall of the purification box, a movable groove is symmetrically arranged at the right side of the upper end and the lower end of the inner wall of the purification box, a first spring is arranged inside the movable groove, one side of the first spring is connected with a second mounting plate matched with the movable groove, slots matched with the filter screen frame are respectively arranged on the outer walls of the first mounting plate and the second mounting plate, a holding groove is arranged on one side of the inner wall of each slot, a second spring is arranged inside the holding groove, a limit block is connected with one end of the second spring, a limit groove matched with the limit block is respectively arranged at the upper end and the lower end of the outer wall of the filter screen frame, and an active carbon filter layer is arranged inside the filter screen frame, A fiber filtration layer and a particle filtration layer.
Preferably, the crushing device is including the crushing case that is connected with shells inner wall, the inner chamber of crushing case rotates and is connected with the (mixing) shaft, the outside of (mixing) shaft evenly is equipped with crushing blade, the third motor is installed through the motor cabinet in the middle part of the outer wall right side of casing, the output shaft of third motor runs through the casing and smashes the case and be connected with the (mixing) shaft.
Preferably, the drying device is including the drying cabinet that is linked together with the passage, the bottom of drying cabinet is seted up flutedly, the inside of recess is equipped with the heater, the inside of drying cabinet is rotated and is connected with the auger delivery axle, the lower extreme right side of drying cabinet is equipped with the discharging pipe, just the lower extreme of discharging pipe extends to the outside of casing, the fourth motor is installed to the outer wall right side lower part of casing, the output shaft of fourth motor runs through the casing and the drying cabinet is connected with the auger delivery axle.
Preferably, a fan is installed on the lower portion of the left side of the outer wall of the shell, an air suction opening of the fan is communicated with the drying box through a connecting pipe, an air outlet of the fan is connected with an air guide pipe, an air cap is connected to the upper end of the air guide pipe, the air cap is installed on the outer wall of the shell, and the air cap is rotatably connected with the left end of the rotating shaft.
The drying treatment device for municipal sludge provided by the invention has the beneficial effects that:
(1) the sludge drying machine can screen and primarily dry sludge through the feeding device, the first motor drives the rotary table and the connecting rod to rotate, the pressing plate can be driven to move up and down, the sludge is extruded, the screen is matched, garbage such as stones, metals and the like in the sludge can be intercepted, the sludge falls on the guide sieve plate after passing through the screen, moisture in the sludge falls into the water collecting tank through the guide sieve plate, and the sludge falls from the discharging pipe, so that primary drying of the sludge is completed.
(2) The invention extracts hot air in the drying box through the fan to form hot air, then the hot air is sent into the ventilation groove through the air guide pipe and the air cap and is discharged from the ventilation hole, so that the rotating shaft and the helical blade carry out stirring and conveying on the sludge and simultaneously carry out drying treatment on the sludge, residual moisture in the sludge in the drying process forms steam and is discharged from the exhaust groove and the exhaust pipe, after the steam passes through the heat conduction pipe, the heat in the steam is led out to heat the drying cylinder, the heat loss can be avoided, energy sources are saved, the drying effect on the sludge is improved, secondary drying on the sludge is completed, the steam discharged from the heat conduction pipe is led into the purifying device through the air outlet pipe to be purified, air pollution is avoided, the steam can be uniformly blown on the particle filter layer through the air distribution plate, the purifying effect is ensured, and meanwhile, the fifth motor is utilized to drive the shaft body and the cam to rotate, can beat the particle filtration layer for reciprocating motion about the particle filtration layer is favorable to reducing impurity and piles up on the surface of particle filtration layer, avoids causing the jam, and activated carbon filtration layer, fiber filtration layer and particle filtration layer easy dismounting, facilitate the use more.
(3) According to the invention, the stirring shaft and the crushing blade are driven to rotate by the third motor, so that the sludge after secondary drying can be crushed, and the crushed sludge can be dried again by the drying device, so that the sludge is thoroughly dried, and the drying effect is better.
(4) Compared with the prior art, the sludge drying device is reasonable in structural design and convenient to use, sludge can be thoroughly dried through three-step drying treatment, the drying effect is good, the drying efficiency is high, energy is saved, the sludge drying device is more environment-friendly, and the sludge drying device has strong practicability and functionality and is worthy of popularization and use.
Drawings
FIG. 1 is a schematic structural view of a municipal sludge drying treatment device according to the present invention;
FIG. 2 is a schematic view of a part of a drying treatment device for municipal sludge according to the present invention;
FIG. 3 is a schematic structural diagram of a feeding device in the drying treatment device for municipal sludge according to the invention;
FIG. 4 is a sectional view of a rotating shaft of the drying treatment device for municipal sludge according to the present invention;
FIG. 5 is a schematic structural view of a purification apparatus in a drying treatment apparatus for municipal sludge according to the present invention;
FIG. 6 is a schematic view of a part of the structure of a purification device in the drying treatment device for municipal sludge according to the present invention.
In the figure: the device comprises a shell 1, a feeding device 2, a feeding box 201, an inlet pipe 202, a screen 203, a guide sieve plate 204, a first electric push rod 205, a magnetic extrusion block 206, a water collecting tank 207, a water discharging pipe 208, a discharging pipe 209, a second electric push rod 210, a scraper 211, a slag discharging pipe 212, a first motor 213, a connecting rod 214, a pressing plate 215, a rotary disc 216, a heat preservation cover 3, a drying cylinder 4, a rotating shaft 5, a spiral blade 6, a ventilation groove 7, a ventilation hole 8, a mesh enclosure 9, an exhaust groove 10, an exhaust pipe 11, a heat conducting pipe 12, an exhaust pipe 13, a purification device 14, a purification box 141, an exhaust port 142, a first mounting plate 143, a slot 144, a filter screen frame 145, an activated carbon filter layer 146, a fiber filter layer 147, a second mounting plate 148, a particle filter layer 149, a movable groove 1410, a first spring 1411, a fifth motor 1412, a shaft body 1413, a cam 1414, a holding groove 1415, a second spring 1416, a limiting block 1417, a limiting groove 1418, a magnetic extrusion block, The device comprises a second motor 15, a material conveying pipe 16, a crushing device 17, a crushing box 18, a stirring shaft 19, a crushing blade 20, a third motor 21, a material guiding pipe 22, a drying device 23, a drying box 24, a heater 25, a spiral conveying shaft 26, a fourth motor 27, a material discharging pipe 28, a universal wheel 29, a fan 30, an air guide pipe 31, an air cap 32 and an air distribution plate 33.
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.
Referring to fig. 1-6, a municipal administration is drying process device for silt, includes casing 1, and the lower extreme bilateral symmetry of casing 1 is equipped with universal wheel 29, and universal wheel 29 is the auto-lock type universal wheel, can make things convenient for thrust unit to remove, has improved the whole transport of device and the convenience of transportation, facilitates the use more.
A feeding device 2 is arranged on one side of the upper end of a shell 1, the feeding device 2 comprises a feeding box 201 connected with the shell 1, blanking pipes 209 are symmetrically arranged on two sides of the lower end of the feeding box 201, a screen mesh 203 is horizontally arranged in the middle of the inner cavity of the feeding box 201, an installation block is arranged in the middle of the lower end of the screen mesh 203, two sides of the installation block are respectively hinged with a guide sieve plate 204 matched with the blanking pipes 209 through pin shafts, the guide sieve plate 204 has ferromagnetism, a first electric push rod 205 is arranged in the middle of the lower end of the installation block, a magnetic extrusion block 206 is connected to the lower end of the first electric push rod 205, the magnetic extrusion block 206 can attract the magnetic guide sieve plate 204 to be attached to the magnetic guide sieve plate, a water collecting tank 207 is arranged in the middle of the bottom end of the inner cavity of the feeding box 201, a drain pipe 208 is connected to one side of the outer wall of the water collecting tank 207, the drain pipe 208 penetrates through the feeding box 201 and extends to the outer side, a first motor 213 is arranged at the top of the inner cavity of the feeding box 201, the output shaft of the first motor 213 is fixedly connected with a turntable 216, the outer side of the turntable 216 is hinged with a connecting rod 214 through a pin shaft, the lower end of the connecting rod 214 is hinged with a pressing plate 215 through a pin shaft, the left side of the outer wall of the feeding box 201 is provided with a second electric push rod 210, one end of the second electric push rod 210 penetrates through the feeding box 201 and is connected with a scraper 211 matched with the screen 203 for use, the right side of the outer wall of the feeding box 201 is provided with a slag discharge pipe 212, the inside of the slag discharge pipe 212 is provided with a switch valve, sludge can be screened and primarily dried through the feeding device 2, the turntable 216 and the connecting rod 214 are driven by the first motor 213 to rotate, the pressing plate 215 can be driven to move up and down, sludge is extruded and matched with the screen 203, garbage such as stones and metals in the sludge can be intercepted, the sludge falls onto the guide sieve plate 204 after passing through the screen 203, moisture in the sludge falls into the water collecting tank 207 through the guide 204, and is discharged from a water discharge pipe 208, the sludge falls from a discharging pipe 209 so as to finish primary drying of the sludge, a pressing plate 215 is driven by a first electric push rod 205 to move up and down, a material guide sieve plate 204 can be driven to swing to change the angle, so that the discharging speed can be controlled, a scraper 211 is driven by a second electric push rod 210 to move, impurities intercepted by the sieve mesh 203 can be scraped, the impurities are discharged from a slag discharge pipe 212, and the cleaning work of the sieve mesh 203 is finished.
The upper part of the inner cavity of the shell 1 is provided with a heat preservation cover 3, the interior of the heat preservation cover 3 is provided with a drying cylinder 4, the interior of the drying cylinder 4 is rotatably connected with a rotating shaft 5, the outer side of the rotating shaft 5 is sleeved with a helical blade 6, the left end of the rotating shaft 5 penetrates through the heat preservation cover 3 and the shell 1 and extends to the outer side of the shell 1, the middle part of the left end of the rotating shaft 5 is provided with a ventilation groove 7, the outer wall of the rotating shaft 5 is uniformly provided with a ventilation hole 8 communicated with the ventilation groove 7, the interior of the ventilation hole 8 is provided with a mesh cover 9, the upper part of the right side of the outer wall of the shell 1 is provided with a second motor 15, the output shaft of the second motor 15 penetrates through the shell 1 and the heat preservation cover 3 and is connected with the right end of the rotating shaft 5, the left side of the lower end of the drying cylinder 4 is provided with an exhaust groove 10, the interior of the exhaust groove 10 is provided with a mesh cover 9, the lower end of the exhaust pipe 11, the outer side of the drying cylinder 4 is wound with a heat conduction pipe 12, and the lower end of the heat conduction pipe 11 is connected with the exhaust pipe 11, the upper end of the heat conduction pipe 12 is connected with an outlet pipe 13, the upper end of the outlet pipe 13 penetrates through the heat preservation cover 3 and the shell 1 to be connected with a purification device 14, the purification device 14 comprises a purification box 141 and a filter screen frame 145, the right side of the inner cavity of the purification box 141 is provided with an air distribution plate 33 communicated with the outlet pipe 13, the middle part of the upper end and the middle part of the lower end of the inner wall of the purification box 141 are symmetrically provided with a first mounting plate 143, the right side of the upper end and the lower end of the inner wall of the purification box 141 are symmetrically provided with a movable groove 1410, the inside of the movable groove 1410 is provided with a first spring 1411, one side of the first spring 1411 is connected with a second mounting plate 148 matched with the movable groove 1410, the outer walls of the first mounting plate 143 and the second mounting plate 148 are respectively provided with slots 144 matched with the filter screen frame 145, one side of the inner wall of the slots 144 is provided with a holding groove 1415, the inside of the holding groove 1415 is provided with a second spring 1416, one end of the second spring 1416 is connected with a limiting block 1417, and the upper end and the lower end of the outer wall of the filter screen frame 145 are respectively provided with a limit groove 1418 matched with the limit block 1417, the inside of the three filter screen frames 145 are respectively provided with an activated carbon filter layer 146, a fiber filter layer 147 and a particle filter layer 149, after the steam discharged from the air guide pipe 31 is led into the purification device 14, the steam can be uniformly blown on the particle filter layer 149 through the air distribution plate 33, the purification effect is ensured, meanwhile, the fifth motor 1412 is utilized to drive the shaft body 1413 and the cam 1414 to rotate, the particle filter layer 149 can be knocked, the particle filter layer 149 can reciprocate left and right, the accumulation of impurities on the surface of the particle filter layer 149 is favorably reduced, the blockage is avoided, and the activated carbon filter layer 146, the fiber filter layer 147 and the particle filter layer 149 are convenient to disassemble and more convenient to use.
The lower extreme right side of drying cylinder 4 is connected with conveying pipeline 16, the lower extreme of conveying pipeline 16 is connected with reducing mechanism 17, reducing mechanism 17 is including the crushing case 18 that is connected with the casing 1 inner wall, the inner chamber of crushing case 18 rotates and is connected with (mixing) shaft 19, the outside of (mixing) shaft 19 evenly is equipped with crushing blade 20, third motor 21 is installed through the motor cabinet in the middle part of the outer wall right side of casing 1, the output shaft of third motor 21 runs through casing 1 and crushing case 18 and is connected with (mixing) shaft 19, drive (mixing) shaft 19 and crushing blade 20 through third motor 21 and rotate, can smash secondary drying back silt, make things convenient for subsequent stoving work once more, and after silt is dried completely, convenient packing and transportation.
A material guide pipe 22 is connected to the left side of the lower end of the crushing device 17, a drying device 23 is connected to the lower end of the material guide pipe 22, the drying device 23 comprises a drying box 24 communicated with the material guide pipe 22, a groove is formed in the bottom of the drying box 24, a heater 25 is arranged inside the groove, a spiral conveying shaft 26 is rotatably connected inside the drying box 24, a material discharge pipe 28 is arranged on the right side of the lower end of the drying box 24, the lower end of the discharge pipe 28 extends to the outer side of the shell 1, the lower part of the right side of the outer wall of the shell 1 is provided with a fourth motor 27, the output shaft of the fourth motor 27 penetrates through the shell 1 and the drying box 24 to be connected with a spiral conveying shaft 26, and then is heated by a heater 25, can dry the crushed sludge again, so that the sludge is thoroughly dried, the drying effect is better, the fourth motor 27 drives the spiral conveying shaft 26 to rotate, so that dried sludge can be discharged, and discharging work is completed.
The working principle is as follows: the invention can carry out screening and preliminary drying on the sludge through the feeding device 2, the first motor 213 drives the rotary disc 216 and the connecting rod 214 to rotate, the pressing plate 215 can be driven to move up and down, the sludge is extruded, the screen 203 is matched, the garbage such as stones, metals and the like in the sludge can be intercepted, the sludge falls on the guide screen plate 204 after passing through the screen 203, the moisture in the sludge falls into the water collecting tank 207 through the guide screen plate 204, the sludge falls from the blanking pipe 209, thereby the primary drying of the sludge is completed, the hot air in the drying box 24 is extracted through the fan 30 to form hot air, the hot air is sent into the ventilating slot 7 through the air guide pipe 31 and the air cap 32 and is exhausted from the ventilating hole 8, the rotating shaft 5 and the helical blade 6 carry out stirring and conveying on the sludge, the drying treatment is carried out on the sludge, the residual moisture in the sludge forms steam in the drying process and is exhausted from the exhaust slot 10 and the exhaust pipe 11, after heat pipe 12, heat in the steam is derived and is heated drying cylinder 4, heat loss can be avoided, energy is saved, simultaneously, the drying effect on the sludge is improved, secondary drying on the sludge is completed, exhaust steam in heat pipe 12 can be purified through purification device 14, air pollution is avoided, third motor 21 drives stirring shaft 19 and crushing blade 20 to rotate, the sludge after secondary drying can be crushed, the sludge after secondary drying can be dried again through drying device 23, the sludge is thoroughly dried, and the drying effect is good.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A working method of a drying treatment device for municipal sludge is characterized in that: the drying treatment device for the municipal sludge comprises a shell (1), a feeding device (2) is arranged on one side of the upper end of the shell (1), a heat-insulating cover (3) is arranged on the upper portion of an inner cavity of the shell (1), a drying cylinder (4) is arranged inside the heat-insulating cover (3), a rotating shaft (5) is rotatably connected inside the drying cylinder (4), a spiral blade (6) is sleeved on the outer side of the rotating shaft (5), the left end of the rotating shaft (5) penetrates through the heat-insulating cover (3) and the shell (1) and extends to the outer side of the shell (1), a ventilation groove (7) is formed in the middle of the left end of the rotating shaft (5), a ventilation hole (8) communicated with the ventilation groove (7) is uniformly formed in the outer wall of the rotating shaft (5), a mesh cover (9) is arranged inside the ventilation hole (8), and a second motor (15) is installed on the upper portion of the right side of the outer wall of the shell (1), the output shaft of the second motor (15) penetrates through the shell (1) and the heat-insulating cover (3) and is connected with the right end of the rotating shaft (5), the exhaust groove (10) is formed in the left side of the lower end of the drying cylinder (4), the mesh cover (9) is arranged inside the exhaust groove (10), the lower end of the exhaust groove (10) is connected with the exhaust pipe (11), the heat conducting pipe (12) is wound on the outer side of the drying cylinder (4), the lower end of the heat conducting pipe (12) is connected with the exhaust pipe (11), the upper end of the heat conducting pipe (12) is connected with the air outlet pipe (13), the upper end of the air outlet pipe (13) penetrates through the heat-insulating cover (3) and the shell (1) and is connected with the purifying device (14), the right side of the lower end of the drying cylinder (4) is connected with the material conveying pipe (16), the lower end of the material conveying pipe (16) is connected with the crushing device (17), the left side of the lower end of the crushing device (17) is connected with the material guide pipe (22), the lower end of the material guide pipe (22) is connected with a drying device (23); the working method comprises the following steps: screening and primarily drying sludge through a feeding device, driving a rotary disc and a connecting rod to rotate through a first motor, driving a pressing plate to move up and down, extruding the sludge, matching with a screen to intercept stones and metal garbage in the sludge, dropping the sludge on a guide sieve plate after passing through the screen, allowing moisture in the sludge to fall into a water collecting tank through the guide sieve plate, allowing the sludge to fall from a discharging pipe so as to finish primary drying of the sludge, extracting hot air in a drying box through a fan to form hot air, feeding the hot air into a ventilation groove through an air guide pipe and an air cap, and discharging the hot air from a ventilation hole, allowing a rotating shaft and a spiral blade to dry the sludge while stirring and conveying the sludge, allowing residual moisture in the sludge to form steam to be discharged from an exhaust groove and an exhaust pipe in the drying process, and guiding heat in the steam to heat a drying cylinder after passing through a heat conduction pipe, accomplish the secondary drying to silt, rethread purifier can avoid the contaminated air with exhaust steam purification in the heat pipe, drives the (mixing) shaft through the third motor and smashes the blade rotation, smashes secondary drying back silt, and rethread drying device can be dry once more to the silt after smashing for silt is thoroughly dried.
2. The working method of the municipal sludge drying treatment device according to claim 1, wherein universal wheels (29) are symmetrically arranged on both sides of the lower end of the housing (1), and the universal wheels (29) are self-locking universal wheels.
3. The working method of the municipal sludge drying device according to claim 1, wherein the feeding device (2) comprises a feeding box (201) connected with the housing (1), the feeding box (201) is symmetrically provided with discharging pipes (209) on both sides of the lower end of the feeding box (201), the middle of the inner cavity of the feeding box (201) is horizontally provided with a screen (203), the middle of the lower end of the screen (203) is provided with a mounting block, both sides of the mounting block are respectively hinged with a material guiding sieve plate (204) used with the discharging pipes (209) through pin shafts, the middle of the lower end of the mounting block is provided with a first electric push rod (205), the lower end of the first electric push rod (205) is connected with a magnetic extrusion block (206), the middle of the bottom end of the inner cavity of the feeding box (201) is provided with a water collecting tank (207), one side of the outer wall of the water collecting tank (207) is connected with a water discharging pipe (208), just drain pipe (208) run through last workbin (201) and extend to the outside, first motor (213) are installed at the inner chamber top of going up workbin (201), output shaft fixedly connected with carousel (216) of first motor (213), the outside of carousel (216) articulates through the round pin axle has connecting rod (214), the lower extreme of connecting rod (214) articulates through the round pin axle has clamp plate (215), go up the outer wall left side of workbin (201) and install second electric putter (210), the one end of second electric putter (210) runs through last workbin (201) and is connected with scraper blade (211) that uses with screen cloth (203) cooperation, the outer wall right side of going up workbin (201) is equipped with scum pipe (212), the inside of scum pipe (212) is equipped with ooff valve.
4. The working method of the municipal sludge drying treatment device according to claim 1, wherein the purification device (14) comprises a purification box (141) and a screen frame (145), the right side of the inner cavity of the purification box (141) is provided with an air distribution plate (33) communicated with the air outlet pipe (13), the middle of the upper end and the middle of the lower end of the inner wall of the purification box (141) are symmetrically provided with a first mounting plate (143), the right sides of the upper end and the lower end of the inner wall of the purification box (141) are symmetrically provided with a movable groove (1410), the movable groove (1410) is internally provided with a first spring (1411), one side of the first spring (1411) is connected with a second mounting plate (148) matched with the movable groove (1410), the outer walls of the first mounting plate (143) and the second mounting plate (148) are respectively provided with slots (144) matched with the screen frame (145), holding tank (1415) have been seted up to inner wall one side of slot (144), the inside of holding tank (1415) is equipped with second spring (1416), the one end of second spring (1416) is connected with stopper (1417), and the spacing groove (1418) that matches with stopper (1417) are seted up respectively to the outer wall upper end and the lower extreme of screen frame (145), and is three the inside of screen frame (145) is equipped with activated carbon filter layer (146), fibre filter layer (147) and particle filter layer (149) respectively.
5. The working method of the municipal sludge drying treatment device according to claim 1, wherein the crushing device (17) comprises a crushing box (18) connected with the inner wall of the housing (1), a stirring shaft (19) is rotatably connected to the inner cavity of the crushing box (18), crushing blades (20) are uniformly arranged on the outer side of the stirring shaft (19), a third motor (21) is installed in the middle of the right side of the outer wall of the housing (1) through a motor base, and an output shaft of the third motor (21) penetrates through the housing (1) and the crushing box (18) to be connected with the stirring shaft (19).
6. The working method of the municipal sludge drying treatment device according to claim 1, wherein the drying device (23) comprises a drying box (24) communicated with the material guiding pipe (22), the bottom of the drying box (24) is provided with a groove, a heater (25) is arranged inside the groove, a spiral conveying shaft (26) is rotatably connected inside the drying box (24), a discharging pipe (28) is arranged on the right side of the lower end of the drying box (24), the lower end of the discharging pipe (28) extends to the outer side of the casing (1), a fourth motor (27) is installed on the lower portion of the right side of the outer wall of the casing (1), and an output shaft of the fourth motor (27) penetrates through the casing (1) and the drying box (24) to be connected with the spiral conveying shaft (26).
7. The working method of the drying device for the municipal sludge according to claim 1, wherein a fan (30) is installed at the lower left part of the outer wall of the housing (1), an air suction port of the fan (30) is communicated with the drying box (24) through a connecting pipe, an air outlet of the fan (30) is connected with an air guide pipe (31), an upper end of the air guide pipe (31) is connected with an air cap (32), the air cap (32) is installed on the outer wall of the housing (1), and the air cap (32) is rotatably connected with the left end of the rotating shaft (5).
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| CN109553264B (en) * | 2019-01-31 | 2021-08-20 | 浙江致远环境科技有限公司 | Sludge drying machine |
| CN110624330B (en) * | 2019-10-10 | 2021-08-03 | 金陵科技学院 | Workshop dust collecting equipment for tailoring |
| CN111115995A (en) * | 2020-02-05 | 2020-05-08 | 孟召阳 | A filter and drying device for river bottom silt |
| CN111333296A (en) * | 2020-03-12 | 2020-06-26 | 安徽麒麟正大饲料有限公司 | Dirty processing apparatus of live pig breed factory excrement |
| CN112978889B (en) * | 2021-04-20 | 2021-07-23 | 广州中安基因科技有限公司 | Novel efficient cosmetics waste water treatment equipment |
| CN114368895B (en) * | 2021-12-14 | 2024-10-18 | 北京海洁环境科技有限公司 | Sewage sludge harmless recovery system |
| CN114230133A (en) * | 2021-12-15 | 2022-03-25 | 山东尚科环境工程有限公司 | Papermaking sludge drying and recycling treatment equipment |
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