CN114988663B - Multistage heat utilization-based sludge low-temperature drying system - Google Patents
Multistage heat utilization-based sludge low-temperature drying system Download PDFInfo
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- CN114988663B CN114988663B CN202210590088.1A CN202210590088A CN114988663B CN 114988663 B CN114988663 B CN 114988663B CN 202210590088 A CN202210590088 A CN 202210590088A CN 114988663 B CN114988663 B CN 114988663B
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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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- 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
- C02F11/123—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
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- Engineering & Computer Science (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a sludge low-temperature drying system based on multistage heat utilization, which comprises a pretreatment device, a conveying device, a low-temperature drying device, an incineration device, a heat exchange device and an air treatment device, wherein the low-temperature drying device comprises a machine body, a drying cavity arranged on the machine body, a filtering component arranged in the machine body, a feeding component arranged at one end of the machine body, a pollution discharge component arranged at the other end of the machine body, a first hot air hole arranged at the bottom of the machine body and an air injection component arranged at the top of the machine body.
Description
Technical Field
The invention relates to the technical field of sludge drying treatment, in particular to a sludge low-temperature drying system based on multistage heat utilization.
Background
Along with the development of economy and the progress of town, the yield of municipal sludge in China is greatly increased, and the harmless and decrement treatment of the sludge becomes an environmental hot spot problem at present. The water content of the sludge obtained by traditional mechanical dehydration is generally 75-85%, and the sludge cannot meet the standard of subsequent treatment. Therefore, if the water content of the sludge is further reduced, heat drying is needed, the sludge is further treated by the incineration device after the sludge drying is finished, the incinerated heat energy is recycled by the heat exchange device, the sludge treatment effect of the conventional drying device is poor, the incinerated heat energy is unreasonably utilized, and the heat energy is not utilized on the sludge drying according to the recovery temperature.
Disclosure of Invention
The invention provides a sludge low-temperature drying system based on multistage heat utilization, which aims to overcome the defects of the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the sludge low-temperature drying system based on multi-stage heat utilization comprises a pretreatment device, a conveying device, a low-temperature drying device, an incineration device, a heat exchange device and an air treatment device, wherein the low-temperature drying device comprises a machine body, a drying cavity arranged on the machine body, a filter assembly arranged in the machine body, a feeding assembly arranged at one end of the machine body, a pollution discharge assembly arranged at the other end of the machine body, a first hot air hole arranged at the bottom of the machine body and an air injection assembly arranged at the top of the machine body; the filter assembly comprises a plurality of cylinders, a plurality of V-shaped grooves, a plurality of first water absorbing holes, a plurality of filter sleeves, a plurality of filter holes, a first guide rail and a second guide rail, two first driven rollers, two second driven rollers and two third driven rollers, a first filter belt, a second filter belt, a third filter belt and a partition plate, wherein the two ends of the cylinders are fixedly arranged on a machine body, the V-shaped grooves are respectively arranged on the cylinders, the first filter belt is respectively arranged at the two ends of the cylinders and is arranged on the machine body, the second filter belt is respectively arranged at the two ends of the cylinders and is arranged on the machine body in a winding manner, the third filter belt is arranged between the first filter belt and the second filter belt and is arranged on the filter sleeves in a winding manner, the two ends of the third filter belt are respectively contacted with the front end and the filter sleeves at the tail end at equal intervals, the partition plate is fixedly arranged on the machine body, the two ends of the partition plate are rotationally arranged on the machine body, the first inclined surface is arranged at the bottom of the partition plate, and the second water absorbing holes are arranged at the lowest point of the machine body; and a plurality of cylinders are sequentially arranged in a larger outer diameter mode.
The filter assembly also comprises two first driving shafts with two ends rotatably arranged on the machine body, two second driving shafts which are positioned above the two first driving shafts and rotatably arranged on the machine body two third driving shafts above the two second driving shafts and rotationally arranged on the machine body, two fourth driving shafts above the two third driving shafts and rotationally arranged on the machine body the two fifth driving shafts are arranged above the two fourth driving shafts and are rotationally arranged on the machine body, the two sixth driving shafts are arranged above the two fifth driving shafts and are rotationally arranged on the machine body, the first driving belt is wound on the two first driving shafts, the second driving belt is wound on the two second driving shafts, the third driving belt is wound on the two third driving shafts, the fourth driving belt is wound on the two fourth driving shafts the device comprises a fifth driving belt wound on two fifth driving shafts, a sixth driving belt wound on two sixth driving shafts, a first gear and a first belt pulley which are respectively and fixedly sleeved on the two first driving shafts, a second gear which is fixedly sleeved on the second driving shafts and is meshed with the first gear, a third gear and a second belt pulley which are respectively and fixedly sleeved on the two third driving shafts, a fourth gear and a third belt pulley which are respectively and fixedly sleeved on the two fourth driving shafts, a fifth gear which is fixedly sleeved on the fifth driving shafts, a sixth gear and a fourth belt pulley which are respectively sleeved on the two sixth driving shafts, a first belt which is wound on the first belt pulley and the second belt pulley, a second belt which is wound on the third belt pulley and the fourth belt pulley, and a motor which is fixedly arranged on a machine body and is used for driving the first driving shafts to rotate; the first filter belt is clamped by the first transmission belt and the second transmission belt, the third filter belt is clamped by the third transmission belt and the fourth transmission belt, the second filter belt is clamped by the fifth transmission belt and the sixth transmission belt, the third gear is meshed with the fourth gear, and the fifth gear is meshed with the sixth gear.
The filter assembly further comprises a first dirt scraping element, a second dirt scraping element and a third dirt scraping element, the first dirt scraping element is identical in structure to the third dirt scraping element, the first dirt scraping element comprises a dirt collecting groove, a first scraping plate, a second scraping plate, a drain hole, a spiral feeding paddle and a seventh gear, the two ends of the dirt collecting groove are fixedly arranged on the machine body, the first scraping plate is fixedly arranged at one end of the dirt collecting groove, the second scraping plate is arranged at the other end of the dirt collecting groove, the drain hole is correspondingly arranged on the machine body with the dirt collecting groove, the spiral feeding paddle is arranged in the dirt collecting groove, one end of the spiral feeding paddle is rotatably arranged on the machine body, and the seventh gear is fixedly sleeved at one end of the first driven roller and meshed with the spiral feeding paddle; the first dirt scraping element is used for scraping the inner wall of the first filter belt and scraping the outer wall of the third filter belt, the second dirt scraping element is used for scraping the inner wall of the third filter belt and scraping the outer wall of the second filter belt, and the third dirt scraping element is used for scraping the inner wall of the second filter belt.
The filter assembly further comprises a housing arranged at the sewage draining hole, a movable plate arranged in the housing, two guide blocks fixedly arranged in the housing, a first movable rod which is arranged on the housing in a penetrating manner and one end of which is rotationally arranged on the movable plate, a first spring which is sleeved on the first movable rod and two ends of which are respectively fixedly arranged on the housing and the other end of the first movable rod, a sliding groove which is arranged below the first movable rod and on the housing, a sliding block which is movably arranged in the sliding groove, a second movable rod which is arranged on the sliding block in a penetrating manner and one end of which is rotationally arranged on the movable plate, and a second spring which is sleeved on the second movable rod and two ends of which are respectively fixedly arranged on the sliding block and the other end of the second movable rod.
The feeding assembly comprises a feeding hole formed in the machine body, a hopper which is positioned at the feeding hole and fixedly arranged on the machine body, a driven shaft which is rotatably arranged at two ends of the hopper, a plurality of feeding plates which are fixedly arranged on the driven shaft in an equidistant annular distribution manner, a third belt which is wound on one end of the driven shaft and one end of the third driven roller, an air storage cavity which is positioned below the hopper and fixedly arranged on the machine body, a second inclined plane which is arranged at the upper end of the air storage cavity, a plurality of inclined holes which are arranged on the air storage cavity at equal intervals downwards, and a second hot air hole which is correspondingly arranged on the machine body with the air storage cavity.
The sewage disposal assembly comprises a sewage outlet arranged at the bottom of the machine body, a fixed block fixedly arranged at the bottom of the machine body, a third inclined plane arranged at the upper end of the fixed block, a lifting plate movably arranged on the inner side wall of the sewage outlet, a cylinder fixedly arranged on the machine body and used for driving the lifting plate to move, a plurality of pushing plates fixedly arranged on the lifting plate from top to bottom at intervals, and a sewage guide plate positioned below the sewage outlet and fixedly arranged on the machine body, wherein the pushing plates are arranged in a downward inclined manner.
The gas injection assembly comprises a plurality of groups of gas hole groups which are in one-to-one correspondence with the filter sleeves and are arranged on the machine body, the gas hole groups are composed of a plurality of third hot gas holes which are arranged at equal intervals, a gas baffle plate is fixedly arranged between every two adjacent gas hole groups, a gas equalizing cover is arranged at the gas hole group, a fourth hot gas hole is arranged on the gas equalizing cover, and the temperature from the first hot gas hole to the fourth hot gas hole is gradually increased.
The invention has the following advantages: the sludge to be treated is placed in the feeding component, is uniformly paved on the filtering component through the feeding component, hot air in the drying cavity can be prevented from being discharged from the feeding part in the sludge paving process through the feeding component, so that the waste of heat energy is avoided, and meanwhile, the heat energy after heat exchange is burnt is used for treating and drying the sludge in the feeding process, so that the subsequent treatment is facilitated; can carry out desiccation and carry out mud transport to the mud on it through filter component, filter component can clear up automatically, is convenient for last to sludge treatment, and the mud after the processing falls on the blowdown subassembly, discharges the mummification intracavity through the blowdown subassembly to mud, can avoid the heat energy in the mummification intracavity to discharge together with mud through the blowdown subassembly setting, the temperature in the effectual control mummification intracavity.
The heat energy after heat exchange enters the drying cavity through the first hot air hole, mainly carries out further heating treatment on the sludge dropped after filtration, most of heat energy enters the drying cavity through the air injection component, when the sludge is filtered, the first filter belt, the second filter belt and the third filter belt operate together, so that the plurality of filter sleeves rotate together, suction force is generated through the first water suction hole, namely suction force is generated on the V-shaped groove, suction force is generated on the filter sleeve positioned in the area, suction force is generated through the first filter belt, the second filter belt and the third filter belt in the area, water in the sludge on the second filter belt quickly enters the V-shaped groove, finally is discharged from the first water suction hole, the outer diameters of a plurality of cylinders are sequentially enlarged, the suction area of the sludge is gradually increased, the sludge is gradually treated, the sludge drying effect is better, the first filter belt to the third filter belt can move along the two directions through the arrangement of the first guide rail and the second guide rail, the first filter belt to the third filter belt are better matched with the plurality of filter sleeves, the filter sleeves are arranged to avoid the blocking of filter holes on the filter belts, the first filter belt to the third filter belt gradually filter the sludge, the water sucked into the V-shaped groove is cleaner, the water in the sludge can be quickly separated from the sludge through the arrangement, and meanwhile, the plurality of filter sleeves enable the first filter belt to the third filter belt to be wavy, so that gaps between the sludge can be changed, and the separation of the water is accelerated; the sludge between the adjacent filter sleeves can be absorbed by the suction force of the second water absorption holes and then by the arrangement of the partition plates, and the water falling on the partition plates can be quickly absorbed by the second water absorption holes through the arrangement of the first inclined surfaces, namely, the water is discharged out of the drying cavity; the hot air temperature of injection can be gradually increased through the gas injection component, so that a plurality of V-shaped grooves are matched better, the sludge drying effect is good, and the heat energy utilization is reasonable.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic side view of the present invention.
Fig. 3 is a cross-sectional view taken along line A-A in fig. 2.
Fig. 4 is a cross-sectional view taken along line B-B in fig. 3.
Fig. 5 is an enlarged view at a in fig. 4.
Fig. 6 is an enlarged view at B in fig. 4.
Fig. 7 is an enlarged view of D in fig. 4.
Fig. 8 is an enlarged view of F in fig. 4.
Fig. 9 is a structural cross-sectional view of the C-C line in fig. 4.
Fig. 10 is an enlarged view at E in fig. 9.
Fig. 11 is a sectional view taken along line D-D in fig. 4.
Fig. 12 is a schematic view of a filter assembly.
Fig. 13 is an enlarged view at C in fig. 12.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the following description of the technical solutions of the present invention will be made in detail, but not all embodiments of the present invention are apparent to some embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
As shown in fig. 1-13, the sludge low-temperature drying system based on multi-stage heat utilization comprises a pretreatment device, a conveying device, a low-temperature drying device, an incineration device, a heat exchange device and an air treatment device, wherein the low-temperature drying device comprises a machine body 1, a drying cavity 2 arranged on the machine body, a filtering component 3 arranged in the machine body, a feeding component 4 arranged at one end of the machine body, a pollution discharge component 5 arranged at the other end of the machine body, a first hot air hole 6 arranged at the bottom of the machine body and an air injection component 7 arranged at the top of the machine body; the filter assembly 3 comprises a plurality of cylinders 31 with two ends fixedly arranged on the machine body, a plurality of V-shaped grooves 32 respectively arranged on the cylinders, a plurality of first water absorbing holes 33 respectively arranged at two ends of the cylinders and arranged on the machine body, a plurality of filter sleeves 34 respectively rotatably sleeved on the cylinders, a plurality of filter holes equally spaced and arranged on the filter sleeves, a first guide rail 35 and a second guide rail 36 symmetrically and fixedly arranged on the inner wall of the drying cavity, two first driven rollers 37 and two second driven rollers 38 and two third driven rollers 39 with two ends rotatably arranged on the machine body, a first filter belt 310 with two ends respectively arranged on the first guide rail and the second guide rail and sequentially wound on the plurality of filter sleeves and the two first driven rollers, a second filter belt 311 sequentially wound on the plurality of filter sleeves and the two third driven rollers, a third filter belt 312 arranged between the first filter belt and the second filter belt and sequentially wound on the plurality of filter sleeves, a first inclined surface 314 with two ends respectively contacted with the front end and the filter sleeves and fixedly arranged on the bottom of the machine body and a second inclined surface 313 arranged on the bottom of the machine body; the outer diameters of a plurality of cylinders are sequentially increased; the sludge to be treated is placed in the feeding component, is uniformly paved on the filtering component through the feeding component, hot air in the drying cavity can be prevented from being discharged from the feeding part in the sludge paving process through the feeding component, so that the waste of heat energy is avoided, and meanwhile, the heat energy after heat exchange is burnt is used for treating and drying the sludge in the feeding process, so that the subsequent treatment is facilitated; can carry out desiccation and carry out mud transport to the mud on it through filter component, filter component can clear up automatically, is convenient for last to sludge treatment, and the mud after the processing falls on the blowdown subassembly, discharges the mummification intracavity through the blowdown subassembly to mud, can avoid the heat energy in the mummification intracavity to discharge together with mud through the blowdown subassembly setting, the temperature in the effectual control mummification intracavity.
The filter assembly 3 further comprises two first driving shafts 316 with two ends rotatably disposed on the machine body, two second driving shafts 317 disposed above the two first driving shafts and rotatably disposed on the machine body, two third driving shafts 318 disposed above the two second driving shafts and rotatably disposed on the machine body, two fourth driving shafts 319 disposed above the two third driving shafts and rotatably disposed on the machine body, two fifth driving shafts 320 disposed above the two fourth driving shafts and rotatably disposed on the machine body, two sixth driving shafts 321 disposed above the two fifth driving shafts and rotatably disposed on the machine body, a first driving belt 322 wound on the two first driving shafts, a second driving belt 323 wound on the two second driving shafts, a third driving belt 324 wound on the two third driving shafts, a fourth driving belt 325 wound on the two fourth driving shafts a fifth belt 326 wound around the two fifth driving shafts, a sixth belt 327 wound around the two sixth driving shafts, a first gear 328 and a first belt pulley 329 respectively and fixedly sleeved on the two first driving shafts, a second gear 330 fixedly sleeved on the second driving shafts and meshed with the first gear, a third gear 331 and a second belt pulley 332 respectively and fixedly sleeved on the two third driving shafts, a fourth gear 333 and a third belt pulley 334 respectively and fixedly sleeved on the two fourth driving shafts, a fifth gear 335 respectively and fixedly sleeved on the fifth driving shafts, a sixth gear 336 and a fourth belt pulley 337 respectively and fixedly sleeved on the two sixth driving shafts, a first belt 338 wound around the first belt pulley and the second belt pulley, a second belt 339 wound around the third belt pulley and the fourth belt pulley, the motor 340 is fixedly arranged on the machine body and used for driving the first driving shaft to rotate; the first filter belt is clamped by the first transmission belt and the second transmission belt, the third filter belt is clamped by the third transmission belt and the fourth transmission belt, the second filter belt is clamped by the fifth transmission belt and the sixth transmission belt, the third gear is meshed with the fourth gear, and the fifth gear is meshed with the sixth gear; the motor drives the first driving shaft to rotate, the first driving shaft and the second driving shaft are finally enabled to rotate relatively in the linkage mode, the third driving shaft and the fourth driving shaft are enabled to rotate relatively, the fifth driving shaft and the sixth driving shaft are enabled to rotate relatively, the first driving shaft and the third driving shaft are enabled to rotate in the same direction, the third driving shaft and the fifth driving shaft are enabled to rotate in the same direction, the first driving belt and the second driving belt are enabled to rotate relatively, the third driving belt and the fourth driving belt are enabled to rotate relatively, the fifth driving belt and the sixth driving belt are enabled to rotate relatively, the first filtering belt, the second filtering belt and the third filtering belt are enabled to operate in more than one direction, the three are enabled to synchronously drive through the arrangement, friction between the first filtering belt and the third filtering belt is avoided, the contact area between the first filtering belt and the third filtering belt can be increased through the arrangement of the first driving belt to the sixth driving belt, the driving effect is enabled to be better, and the sliding phenomenon is avoided.
The filtering assembly 3 further comprises a first dirt scraping element, a second dirt scraping element and a third dirt scraping element, the first dirt scraping element has the same structure as the third dirt scraping element, the first dirt scraping element comprises a dirt collecting groove 341 with two ends fixedly arranged on the machine body, a first scraping plate 342 fixedly arranged at one end of the dirt collecting groove, a second scraping plate 343 arranged at the other end of the dirt collecting groove, a dirt discharging hole 344 corresponding to the dirt collecting groove and arranged on the machine body, a screw feeding paddle 345 positioned in the dirt collecting groove and one end of which is rotationally arranged on the machine body, and a seventh gear 346 fixedly sleeved at one end of the first driven roller and meshed with the screw feeding paddle; the first dirt scraping element is used for scraping the inner wall of the first filter belt and scraping the outer wall of the third filter belt, the second dirt scraping element is used for scraping the inner wall of the third filter belt and scraping the outer wall of the second filter belt, and the third dirt scraping element is used for scraping the inner wall of the second filter belt; in the filtering process from the first filter belt to the third filter belt, sludge can be generated between adjacent two, the sludge between the adjacent two can be scraped and collected through the first scraping element and the third scraping element, the sludge between the first filter belt and the third filter belt falls into the sewage collecting tank through the first scraping plate and the second scraping plate respectively, the first driven roller is rotated to drive the seventh gear to rotate, the screw feeding propeller is rotated, the sludge positioned in the sewage collecting tank is moved to the sewage draining hole, finally the sludge is drained from the sewage draining hole, and the first filter belt to the third filter belt can be cleaned automatically.
The filtering component 3 further comprises a housing 347 arranged at the blow-down hole, a movable plate 348 movably arranged in the housing, two guide blocks 349 fixedly arranged in the housing, a first movable rod 350 penetrating through the movable housing and one end of which is rotatably arranged on the movable plate, a first spring 351 sleeved on the first movable rod and two ends of which are fixedly arranged on the housing and the other end of the first movable rod respectively, a sliding chute 352 positioned below the first movable rod and arranged on the housing, a sliding block 353 movably arranged in the sliding chute, a second movable rod 354 penetrating through the movable rod and one end of which is rotatably arranged on the movable plate, and a second spring 355 sleeved on the second movable rod and two ends of which are fixedly arranged on the other ends of the sliding block and the second movable rod respectively; the mud discharged from the blow-down hole can push the movable plate to move, reverse thrust is generated to the movable plate through the first spring and the second spring, so that the mud part of blow-down can be accumulated at the position, and heat energy in the drying cavity is prevented from flowing out of the blow-down hole.
The feeding assembly 4 comprises a feeding hole 41 arranged on the machine body, a hopper 42 positioned at the feeding hole and fixedly arranged on the machine body, a driven shaft 43 with two ends rotationally arranged on the hopper, a plurality of feeding plates 44 fixedly arranged on the driven shaft in an equidistant annular distribution manner, a third belt 45 wound on one end of the driven shaft and one end of a third driven roller, a gas storage cavity 46 positioned below the hopper and fixedly arranged on the machine body, a second inclined plane 47 arranged at the upper end of the gas storage cavity, a plurality of inclined holes 48 which are equidistantly spaced and downwards arranged on the gas storage cavity, and a second hot air hole 49 which is correspondingly arranged on the machine body with the gas storage cavity; the sludge is put into the hopper, the third driven roller rotates to drive the third belt to run, the driven shaft rotates, the plurality of feeding plates revolve around the driven shaft as the axis, continuous feeding is carried out on the sludge in the hopper, quantitative feeding is carried out, the sludge falls down from the feeding hole and then firstly falls on the second inclined plane on the air storage cavity, the sludge is enabled to slide down along the second inclined plane through self gravity, the recovered heat energy enters the air storage cavity from the second hot air hole, hot air in the air storage cavity is blown out from the plurality of inclined holes, the downward-sliding sludge is subjected to primary drying, and the inclined holes can be prevented from being blocked through the inclined hole.
The sewage discharging assembly 5 comprises a sewage discharging outlet 51 arranged at the bottom of the machine body, a fixed block 52 fixedly arranged at the bottom of the machine body, a third inclined surface 53 arranged at the upper end of the fixed block, a lifting plate 54 movably arranged on the inner side wall of the sewage discharging outlet, an air cylinder 55 fixedly arranged on the machine body and used for driving the lifting plate to move, a plurality of push plates 56 fixedly arranged on the lifting plate at equal intervals from top to bottom, and a sewage guide plate 57 positioned below the sewage discharging outlet and fixedly arranged on the machine body, wherein the push plates are obliquely arranged downwards; the sludge which is filtered and dried can be guided through the third inclined surface on the fixed block, even if the dried sludge enters the sewage outlet, the lifting plate is driven to reciprocate through the air cylinder, so that a plurality of pushing plates on the lifting plate reciprocate, the sludge at the sewage outlet is continuously discharged, people in the drying cavity can be prevented from losing from the position through the arrangement, and the sludge is prevented from remaining on the pushing plate through the downward inclined arrangement of the pushing plate.
The gas injection assembly 7 comprises a plurality of groups of gas hole groups 71 which are in one-to-one correspondence with the filter sleeves and are arranged on the machine body, the gas hole groups are composed of a plurality of third heat gas holes 72 which are arranged at equal intervals, a gas baffle 73 is fixedly arranged between the adjacent gas hole groups, a gas equalizing cover 74 is covered at the gas hole groups, a fourth heat gas hole 75 is arranged on the gas equalizing cover, and the temperatures of the first heat gas hole to the fourth heat gas hole are gradually increased; the heat energy after the heat transfer gets into in the even gas hood through fourth hot gas hole, and the hot air in the even gas hood gets into the mummification intracavity through a plurality of third hot gas holes, can make the hot air that gets into blow on mud better through the setting of gas baffle to by V type groove suction, make the mummification quick and effectual, the hot air temperature that a plurality of gas hole groups blow out increases gradually, can be to the gradual drying of mud, the temperature of first hot gas hole to fourth hot gas hole increases gradually, and the hot air temperature that the rethread gas hole group blows out increases gradually, makes the heat energy utilization after the heat transfer more reasonable, can carry out gradual drying to mud as required.
The motor is commercially available.
Claims (4)
1. The utility model provides a disconnect-type heat pump mud low temperature desiccation machine, includes preprocessing device, conveyor, low temperature desiccation device, burns device, heat transfer device, air treatment device, its characterized in that: the low-temperature drying device comprises a machine body (1), a drying cavity (2) arranged on the machine body, a filtering component (3) arranged in the machine body, a feeding component (4) arranged at one end of the machine body, a pollution discharge component (5) arranged at the other end of the machine body, a first hot air hole (6) arranged at the bottom of the machine body and an air injection component (7) arranged at the top of the machine body; the filter assembly (3) comprises a plurality of cylinders (31) with two ends fixedly arranged on the machine body, a plurality of V-shaped grooves (32) respectively arranged on the cylinders, a plurality of first water absorption holes (33) respectively arranged at two ends of the cylinders and arranged on the machine body, a plurality of filter sleeves (34) respectively rotatably sleeved on the cylinders, a plurality of filter holes equally spaced on the filter sleeves, a first guide rail (35) and a second guide rail (36) symmetrically and fixedly arranged on the inner wall of a drying cavity, two first driven rollers (37) and two second driven rollers (38) and two third driven rollers (39) with two ends rotatably arranged on the machine body, a first filter belt (310) with two ends respectively arranged on the first guide rail and the second guide rail and sequentially wound on the filter sleeves and the two first driven rollers, a second filter belt (311) sequentially wound on the filter sleeves and the two third driven rollers, a third filter belt (312) arranged between the first filter belt and the second filter belt and sequentially wound on the filter sleeves and the two third filter belts, two ends respectively wound on the front end and the two third filter belts and the bottom of the machine body (314) and a baffle plate (313) arranged at the bottom of the machine body; the outer diameters of a plurality of cylinders are sequentially increased; the filter assembly (3) further comprises two first driving shafts (316) with two ends rotating on the machine body, two second driving shafts (317) above the two first driving shafts and rotating on the machine body, two third driving shafts (318) above the two second driving shafts and rotating on the machine body, two fourth driving shafts (319) above the two third driving shafts and rotating on the machine body, two fifth driving shafts (320) above the two fourth driving shafts and rotating on the machine body, two sixth driving shafts (321) above the two fifth driving shafts and rotating on the machine body, a first driving belt (322) wound on the two first driving shafts, a second driving belt (323) wound on the two second driving shafts a third driving belt (324) wound on the two third driving shafts, a fourth driving belt (325) wound on the two fourth driving shafts, a fifth driving belt (326) wound on the two fifth driving shafts, a sixth driving belt (327) wound on the two sixth driving shafts, a first gear (328) and a first belt pulley (329) respectively fixedly sleeved on the two first driving shafts, a second gear (330) fixedly sleeved on the second driving shafts and meshed with the first gear, a third gear (331) and a second belt pulley (332) respectively fixedly sleeved on the two third driving shafts, a fourth gear (333) and a third belt pulley (334) respectively fixedly sleeved on the two fourth driving shafts, a first belt pulley (329) respectively fixedly sleeved on the two fourth driving shafts, a second belt pulley (330) fixedly sleeved on the second driving shafts and meshed with the first gear, A fifth gear (335) fixedly sleeved on the fifth driving shaft, a sixth gear (336) and a fourth belt pulley (337) respectively sleeved on the two sixth driving shafts, a first belt (338) wound on the first belt pulley and the second belt pulley, a second belt (339) wound on the third belt pulley and the fourth belt pulley, and a motor (340) fixedly arranged on the machine body and used for driving the first driving shaft to rotate; the first filter belt is clamped by the first transmission belt and the second transmission belt, the third filter belt is clamped by the third transmission belt and the fourth transmission belt, the second filter belt is clamped by the fifth transmission belt and the sixth transmission belt, the third gear is meshed with the fourth gear, and the fifth gear is meshed with the sixth gear; the filter assembly (3) further comprises a first dirt scraping element, a second dirt scraping element and a third dirt scraping element, the structures of the first dirt scraping element and the third dirt scraping element are the same, the first dirt scraping element comprises a dirt collecting groove (341) with two ends fixedly arranged on the machine body, a first scraping plate (342) fixedly arranged at one end of the dirt collecting groove and a second scraping plate (343) arranged at the other end of the dirt collecting groove, a dirt discharging hole (344) corresponding to the dirt collecting groove and arranged on the machine body, a spiral feeding paddle (345) which is arranged in the dirt collecting groove and one end of which is rotationally arranged on the machine body, and a seventh gear (346) fixedly sleeved at one end of the first driven roller and meshed with the spiral feeding paddle; the first dirt scraping element is used for scraping the inner wall of the first filter belt and scraping the outer wall of the third filter belt, the second dirt scraping element is used for scraping the inner wall of the third filter belt and scraping the outer wall of the second filter belt, and the third dirt scraping element is used for scraping the inner wall of the second filter belt; the gas injection assembly (7) comprises a plurality of groups of gas hole groups (71) which are in one-to-one correspondence with the plurality of filter sleeves and are arranged on the machine body, each gas hole group consists of a plurality of third heat gas holes (72) which are arranged at equal intervals, a gas baffle plate (73) is fixedly arranged between every two adjacent gas hole groups, a gas homogenizing cover (74) is covered at each gas hole group, a fourth heat gas hole (75) is arranged on each gas homogenizing cover, and the temperatures of the first heat gas holes to the fourth heat gas holes are gradually increased.
2. The separated heat pump sludge low-temperature dryer according to claim 1, wherein: the filter component (3) further comprises a housing (347) arranged at the blow-down hole, a movable plate (348) movably arranged in the housing, two guide blocks (349) fixedly arranged in the housing, a first movable rod (350) penetrating through the movable housing and one end of which is rotatably arranged on the movable plate, a first spring (351) sleeved on the first movable rod and two ends of which are respectively fixedly arranged on the housing and the other end of the first movable rod, a sliding groove (352) positioned below the first movable rod and arranged on the housing, a sliding block (353) movably arranged in the sliding groove, a second movable rod (354) penetrating through the movable sliding block and one end of which is rotatably arranged on the movable plate, and a second spring (355) sleeved on the second movable rod and two ends of which are respectively fixedly arranged on the sliding block and the other end of the second movable rod.
3. The separated heat pump sludge low-temperature dryer according to claim 1, wherein: the feeding assembly (4) comprises a feeding hole (41) arranged on the machine body, a hopper (42) positioned at the feeding hole and fixedly arranged on the machine body, a driven shaft (43) with two ends rotating on the hopper, a plurality of feeding plates (44) fixedly arranged on the driven shaft in an equidistant annular distribution manner, a third belt (45) wound on one end of the driven shaft and one end of the third driven roller, a gas storage cavity (46) positioned below the hopper and fixedly arranged on the machine body, a second inclined plane (47) arranged at the upper end of the gas storage cavity, a plurality of inclined holes (48) which are equidistantly spaced and downwards arranged on the gas storage cavity, and a second thermal air hole (49) which is correspondingly arranged on the machine body with the gas storage cavity.
4. The separated heat pump sludge low-temperature dryer according to claim 1, wherein: the sewage disposal assembly (5) comprises a sewage outlet (51) arranged at the bottom of the machine body, a fixed block (52) fixedly arranged at the bottom of the machine body, a third inclined surface (53) arranged at the upper end of the fixed block, a lifting plate (54) movably arranged on the inner side wall of the sewage outlet, a cylinder (55) fixedly arranged on the machine body and used for driving the lifting plate to move, a plurality of pushing plates (56) fixedly arranged on the lifting plate at intervals from top to bottom, and a sewage guide plate (57) arranged below the sewage outlet and fixedly arranged on the machine body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210590088.1A CN114988663B (en) | 2022-05-26 | 2022-05-26 | Multistage heat utilization-based sludge low-temperature drying system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210590088.1A CN114988663B (en) | 2022-05-26 | 2022-05-26 | Multistage heat utilization-based sludge low-temperature drying system |
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| CN114988663A CN114988663A (en) | 2022-09-02 |
| CN114988663B true CN114988663B (en) | 2023-08-11 |
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| CN202210590088.1A Active CN114988663B (en) | 2022-05-26 | 2022-05-26 | Multistage heat utilization-based sludge low-temperature drying system |
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| CN117486448B (en) * | 2024-01-03 | 2024-04-12 | 山东向明数智物联科技有限公司 | Sludge treatment device |
Citations (7)
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|---|---|---|---|---|
| JPH0938697A (en) * | 1995-07-25 | 1997-02-10 | Kobayashi Seisakusho:Kk | Belt press type sludge dehydrating machine |
| JP2000117300A (en) * | 1998-10-14 | 2000-04-25 | Sanbetsuku:Kk | Method for dehydrating and dehydrating and drying concentrated sludge and their device |
| KR20110128590A (en) * | 2010-05-24 | 2011-11-30 | 강영범 | Industry dehydration device of both sides dry method of continuous non-contact |
| CN102974167A (en) * | 2012-12-27 | 2013-03-20 | 上海雨泽环保科技有限公司 | Polluted and waste water front-end physical treatment method |
| CN211367369U (en) * | 2019-10-16 | 2020-08-28 | 内蒙古硕达智水生态科技有限公司 | Multi-stage rolling dehydration device for sludge treatment equipment |
| CN211419960U (en) * | 2019-12-28 | 2020-09-04 | 潍坊友家新能源科技有限公司 | Sludge drying production line device |
| CN213760784U (en) * | 2020-08-27 | 2021-07-23 | 库鞇都(阜新)汽车内饰有限公司 | Environmental protection engineering is with pressure filter that has wiper mechanism |
-
2022
- 2022-05-26 CN CN202210590088.1A patent/CN114988663B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0938697A (en) * | 1995-07-25 | 1997-02-10 | Kobayashi Seisakusho:Kk | Belt press type sludge dehydrating machine |
| JP2000117300A (en) * | 1998-10-14 | 2000-04-25 | Sanbetsuku:Kk | Method for dehydrating and dehydrating and drying concentrated sludge and their device |
| KR20110128590A (en) * | 2010-05-24 | 2011-11-30 | 강영범 | Industry dehydration device of both sides dry method of continuous non-contact |
| CN102974167A (en) * | 2012-12-27 | 2013-03-20 | 上海雨泽环保科技有限公司 | Polluted and waste water front-end physical treatment method |
| CN211367369U (en) * | 2019-10-16 | 2020-08-28 | 内蒙古硕达智水生态科技有限公司 | Multi-stage rolling dehydration device for sludge treatment equipment |
| CN211419960U (en) * | 2019-12-28 | 2020-09-04 | 潍坊友家新能源科技有限公司 | Sludge drying production line device |
| CN213760784U (en) * | 2020-08-27 | 2021-07-23 | 库鞇都(阜新)汽车内饰有限公司 | Environmental protection engineering is with pressure filter that has wiper mechanism |
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|---|---|
| CN114988663A (en) | 2022-09-02 |
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