CN110590105A - Rotary drum type sludge dewatering and drying integrated machine - Google Patents
Rotary drum type sludge dewatering and drying integrated machine Download PDFInfo
- Publication number
- CN110590105A CN110590105A CN201810647051.1A CN201810647051A CN110590105A CN 110590105 A CN110590105 A CN 110590105A CN 201810647051 A CN201810647051 A CN 201810647051A CN 110590105 A CN110590105 A CN 110590105A
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- Prior art keywords
- pipe
- rotary drum
- flocculation
- frame
- sludge
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Classifications
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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
-
- 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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- 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
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
Abstract
The invention discloses a rotary drum type sludge dewatering and drying integrated machine, which belongs to the technical field of environment-friendly sewage treatment and is characterized in that: the structure of the system comprises a dehydration device, a sewage collecting tank, a flocculation device, a heat production fan, a heating furnace, a sludge drying device, a hot air pipe, a heat conduction pipe, an auxiliary heat and waste heat recycling system and a condensation system; the sludge after dehydration carries out the mummification and handles, and the sludge moisture content after handling is low, heats dewatering device and flocculating device through assisting heat and waste heat recycling system during low temperature, makes dehydration and flocculation treatment effectual, and the three-dimensional setting of dehydration drying integration, area is little, is favorable to the technological transformation of the narrow and small sewage plant in current space.
Description
Technical Field
The invention relates to a sludge dewatering machine, belongs to the technical field of environment-friendly sewage treatment, and particularly relates to a rotary drum type sludge dewatering and drying integrated machine.
Background
The sludge dewatering machine in the prior art mainly comprises a laminated spiral dewatering machine, a horizontal spiral centrifugal dewatering machine, a belt type squeezing dewatering machine, a flat plate type dewatering machine or a plate frame filter-press dewatering machine, wherein the laminated spiral dewatering machine is shown in figure 7: the dewatering device comprises a movable ring 8, a fixed ring 9, a spiral pushing shaft 10 and a speed reducing motor 3, the fixed ring 9 is fixedly installed with a frame 21, the movable ring 8 is arranged at an interval with the fixed ring 9, the spiral pushing shaft 10 is arranged in the middle of the fixed ring 9 and the movable ring 8, the speed reducing motor 3 is fixedly installed with the frame 21, the spiral pushing shaft 10 is connected with the speed reducing motor 3 through a gear 18, a side baffle 45 is arranged outside the movable ring 8 and the fixed ring 9, a sewage collecting tank 25 is arranged at the lower part of the dewatering device, the upper part of the dewatering device is open, one side of the lower part is provided with a sewage outlet 48, a flocculation device 1 is arranged at the other side corresponding to a sludge outlet of the dewatering device and comprises a flocculation stirring tank and a flocculation reaction tank, the flocculation stirring tank and the flocculation reaction tank are adjacently arranged, a water inlet is arranged at the upper part or the lower part of the flocculation stirring tank, a stirrer is arranged at the, the upper part of the flocculation reaction tank is connected with a sludge water inlet of the dewatering device through a sludge water conveying pipe 40;
horizontal screw centrifugal dehydrator, as shown in fig. 8: the rotary drum type automatic feeding device is composed of a rotary drum, a spiral conveying shaft 27, a differential mechanism, a frame 21, an upper cover 30, a rotary drum motor 31, a spiral conveying motor 32 and a motor transmission device, wherein the rotary drum motor 31 and the spiral conveying motor 32 are respectively and fixedly connected with the frame 21, the rotary drum motor 31 is connected with the rotary drum through the differential mechanism and the motor transmission device, the spiral conveying motor 32 is connected with the spiral conveying shaft 27 through the motor transmission device, the upper cover 30 is arranged on the outer side of the upper part of the rotary drum, and the left side and the right side of the upper cover;
belt press dehydrator, as shown in fig. 9: the filter belt washing device mainly comprises a filter belt 22, a rolling cylinder 23, a filter belt washing pipe, a speed reduction motor 3 and a rack 21, wherein the filter belt 22 is divided into an upper group and a lower group which respectively bypass the rolling cylinder 23, the rolling cylinder 23 is connected with the rack 21 through a bearing and a pneumatic device, the filter belt washing pipe is arranged at the upper part of the upper filter belt 22 and the lower filter belt 22, the filter belt washing pipe is downwards provided with a through hole, the speed reduction motor 3 is fixed with the rack 21 and is connected with the rolling cylinder 23 through a motor transmission device;
a flat plate dehydrator, as shown in fig. 10: the device comprises a screen bar 11, a triangular rotor 12, a squeezing plate 13, a long shaft and a speed reducing motor 3, wherein the triangular rotor 12 is arranged on the long shaft in parallel, the long shafts are arranged on a rack 21 side by side, the long shaft is connected with the speed reducing motor 3 through a motor transmission device, the speed reducing motor 3 is fixedly installed with the rack 21, the screen bar 11 is arranged at the upper part of the triangular rotor 12, the squeezing plate 13 is arranged at the upper part of the screen bar 11, an air cylinder is arranged at the upper part of the front end of the squeezing plate 13, the air cylinder is fixed with the rack 21 and is fixedly connected with the rack 21, and the flocculation device 1 is connected with a mud water inlet of a flat-plate;
a plate-and-frame filter-press dehydrator as shown in fig. 11: the sludge-conveying water-saving filter comprises a filter plate 49, a filter frame 50, filter cloth, a thrust plate 51, a compression plate 44, a frame 21 and a compression device 43, wherein the filter plate 49 and the filter frame 50 are vertically arranged on the upper part of a cross beam 42 of the frame 21, the filter cloth is arranged on two sides of the filter plate 49, the filter plate 49 and the filter frame 50 are arranged at intervals, the middle parts of the filter plate 49 and the filter frame 50 are round holes, a sludge-conveying water pipe 40 corresponds to the round holes, the other end of the sludge-conveying water pipe 40 is connected with a water outlet of a sludge-conveying pump, the thrust plate 51 is fixedly arranged at one end of the frame 21, the compression plate 44 is arranged at the other end and connected.
However, the existing dehydrator has the following defects:
1. the dehydrated sludge has high water content:
the water content of the dewatered sludge is still high between 75% and 85%, and the sludge of industrial wastewater and chemical wastewater still brings great pollution threat to the environment.
2. Poor treatment effect at low temperature:
in winter in the north, the temperature of the sludge dewatering room is very low, some are close to 0 ℃ or lower, and the flocculation effect of the muddy water and the dewatering effect of the dewatering machine are seriously deteriorated.
3. When the dryer is matched with the dryer for use, the occupied area is large:
in order to reduce the water content of the sludge, a sludge drying device is added in some sewage treatment plants after the sludge is discharged from the dehydrator, the occupied area of the sludge drying device is equal to or larger than that of the dehydrator, and a space for arranging the sludge drying device is difficult to find for the improved sewage treatment plants.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the rotary drum type sludge dewatering and drying all-in-one machine which is low in water content of treated sludge, good in treatment effect at low temperature, integrated with dewatering and drying and small in occupied area and is in three-dimensional arrangement.
The technical scheme for realizing the purpose of the invention is as follows: a rotary drum type sludge dewatering and drying integrated machine structurally comprises a dewatering device, a sewage collecting tank, a flocculation device, a frame, a heat production fan, a heating furnace, a sludge drying device, a hot air pipe, a heat conduction pipe, a hot air circulating system, an auxiliary heat and waste heat recycling system and a condensation system; wherein the dewatering device is a laminated spiral dewatering device or a centrifugal dewatering device or a belt press dewatering device or a flat plate dewatering device or a plate frame press filtration dewatering device, wherein the laminated spiral dewatering device comprises a movable ring, a fixed ring, a spiral pushing shaft and a speed reducing motor, the fixed ring is fixedly installed with a frame, the movable ring and the fixed ring are arranged at intervals, the spiral pushing shaft is arranged in the middle of the fixed ring and the movable ring, the speed reducing motor is fixedly installed with the frame, the spiral pushing shaft and the speed reducing motor are connected through a gear or a coupler, side baffles are arranged on two sides of the spiral dewatering device, the centrifugal dewatering device comprises a rotary drum, a spiral conveying shaft, a differential mechanism, an upper cover, a rotary drum motor, a spiral conveying motor and a motor transmission device, the rotary drum motor and the spiral conveying motor are respectively and fixedly connected with the frame, and the motor is connected with the rotary drum through the differential mechanism and, the spiral conveying motor is connected with a spiral conveying shaft through a motor transmission device, the upper cover is arranged on the outer side of the upper part of the rotary drum, the left side and the right side of the upper cover are fixedly connected with the frame, the belt type squeezing dehydration device mainly comprises a filter belt, a rolling cylinder and a speed reducing motor, the filter belt is divided into an upper group and a lower group which respectively bypass the rolling cylinder, the rolling cylinder is connected with the frame through a bearing and a pneumatic device, the speed reducing motor is fixed with the frame and connected with the rolling cylinder through the motor transmission device, the flat type dehydration device comprises a screen bar, triangular rotors and a squeezing plate, a long shaft and the speed reducing motor, at least two triangular rotors are arranged on the long shaft in parallel, at least two long shafts are arranged on the frame side by side, the long shaft is connected with the speed reducing motor through the motor transmission device, the speed reducing motor is fixedly installed with the frame, the screen bar is arranged on the upper, the air cylinder is fixed with the frame and fixedly connected with the frame, the plate-frame filter-press type dehydration device consists of a filter plate, a filter frame, filter cloth, a thrust plate, a compression plate and a compression device, the filter plate and the filter frame are vertically arranged on the upper part of a cross beam of the frame, the filter cloth is arranged on two sides of the filter plate, the filter plate and the filter frame are arranged at intervals, the filter plate and the middle part of the filter frame are round holes, a mud conveying water pipe corresponds to the round holes, the thrust plate is fixedly arranged at one end of the frame, and the compression plate is arranged at the other end and connected; the sewage collecting tank is arranged at the lower part of the dehydration device, the upper part of the sewage collecting tank is open, one side of the lower part of the sewage collecting tank is provided with a sewage outlet, or the lower part of the inner side of the sewage collecting tank is provided with a sewage collecting pipe which is connected with the sewage outlet; the flocculation device is arranged on the other side corresponding to a wet mud outlet of the dehydration device and comprises a flocculation stirring tank, a flocculation reaction tank, the flocculation stirring tank and the flocculation reaction tank are arranged adjacently, a water inlet is formed in the upper portion or the lower portion between the flocculation stirring tank, a stirrer is arranged in the flocculation stirring tank, an overflow port is arranged on the upper portion, a mud water inlet pipe is arranged on the upper portion, a liquid medicine inlet pipe is arranged on the upper portion, the upper portion of the flocculation reaction tank is connected with a mud water inlet of the dehydration device through a mud water pipe, a mud collector is arranged on the lower portion of the wet mud outlet of the dehydration device, an upper feed inlet of the mud collector is arranged on the lower portion of the wet mud outlet of the dehydration device, a lower discharge outlet is arranged on one side of the mud inlet of the sludge drying device, the sludge drying device consists of a rotary drum, a rotary drum driving motor, a transmission device, a mud turning plate, the tail end dome and the rotary drum driving motor are fixedly connected with the base, the rotary drum is arranged between the head end dome and the tail end dome, the rotary drum is horizontally or obliquely arranged and is connected with the head end dome and the tail end dome through a ball bearing or a roller bearing or a sliding bearing, the waste heat discharging port is arranged in the middle or at the upper part of the head end dome or the tail end dome, the sludge inlet is arranged in the middle or at one side of the head end dome and is connected with a discharge port of a sludge collector, the dry sludge discharging port is arranged at the lower part of the tail end dome, a hot air pipe or a heat conducting pipe is arranged in the middle of the rotary drum and penetrates through the middle of the head end dome or the tail end dome to be connected with a heat generating fan or a heating furnace, the sludge turning plate is arranged at the inner side of the rotary drum and is fixedly connected with the rotary drum through a spiral body or a triangular body or a conical body or a rectangular body, the linkage is arranged in, the gear outside the rotary drum is engaged with the gear on the shaft of the rotary drum driving motor, or the outside of the rotary drum is provided with a chain wheel, the shaft of the rotary drum driving motor is provided with a chain wheel, the chain is arranged between the chain wheel outside the rotary drum and the chain wheel on the shaft of the rotary drum driving motor, the hot air circulating system comprises a hot air circulating pipe and a hot air circulating fan, one end of the hot air circulating pipe is connected with the waste heat discharging port, the other end of the hot air circulating pipe is connected with the air inlet of the hot air circulating fan, the air outlet of the hot air circulating fan is connected with the head end dome or the tail end dome through a pipeline, the auxiliary heating and waste heat recycling system comprises a dewatering auxiliary heat pipe and a flocculation auxiliary heat pipe, the dewatering auxiliary heat pipe is arranged at two sides of the dewatering device and fixedly connected with the frame, one side facing the dewatering device is provided with through holes, the interval of the through holes is 30mm to 100mm, the diameter of the holes, the connection parts of the two ends are respectively provided with a valve, the flocculation auxiliary heat pipe is arranged on the outer side or the inner side of the flocculation device and is arranged in a surrounding way, the air outlet of the flocculation auxiliary heat pipe is arranged on the lower part in the flocculation stirring tank or on the outer side of the flocculation stirring tank, the air inlet of the flocculation auxiliary heat pipe is respectively connected with the exhaust heat port and the air outlet of the heat generating fan through pipelines, and the valves are respectively arranged, or one end of the flocculation auxiliary heat pipe is connected with the liquid outlet or the steam outlet of the heating furnace through a heat circulating pump, and the other end of; the heat production fan is arranged at the lower part of the flocculation device and comprises a fan, an electric heating wire assembly and an outer shell, the fan and the electric heating wire assembly are arranged in the outer shell and are fixedly connected with the outer shell, the fan is arranged at one side of the electric heating wire assembly, an air outlet is arranged at the other side, or a heating furnace is arranged at the lower part of the flocculation device or is arranged independently, a liquid outlet or a steam outlet is connected with a lead-in pipe of the heat conduction pipe through a heat circulating pump, and a reflux port is connected with a lead-out pipe of; the front end of a condensate pipe of the condensing system is connected with the tail end of a dehydration auxiliary heat pipe or a flocculation auxiliary heat pipe of the auxiliary heat and waste heat recycling system, and the tail end of the condensate pipe is inserted into the sewage collecting tank.
The rotary drum type sludge dewatering and drying integrated machine is characterized in that the hot air pipe is arranged in the middle of the rotary drum and is provided with through holes, the interval of the through holes is 30mm to 100mm, the diameter of each hole is 3mm to 20mm, and the hot air pipe is connected with an air outlet of the heat production fan through a pipeline at a position close to the heat production fan.
The rotary drum type sludge dewatering and drying all-in-one machine is characterized in that the heat conduction pipe is divided into an inlet pipe and an outlet pipe, the inlet pipe and the outlet pipe are arranged in the rotary drum, the inlet pipe of the heat conduction pipe is connected with a liquid outlet or a steam outlet of the heating furnace through a heat circulation pump at a position close to the heating furnace, and the outlet pipe of the heat conduction pipe is connected with a reflux port of the heating furnace.
The rotary drum type sludge dewatering and drying integrated machine is characterized in that the sludge collector is vertically arranged, an upper feed inlet of the sludge collector is arranged at the lower part of a wet sludge outlet of the dewatering device, a lower discharge outlet is arranged at one side of a sludge inlet of the sludge drying device, or the sludge collector is transversely arranged, an upper feed inlet is arranged at the lower part of the wet sludge outlet of the dewatering device or the lower parts of the filter plate and the filter frame, a spiral conveying shaft or a conveying belt is arranged at the lower part of the feed inlet, a discharge outlet is arranged at the lower part of one end, the sludge collector is fixedly installed with the frame or the wet sludge outlet of the dewatering device, and the lower part of the sludge collector is fixedly installed with the sludge inlet of the sludge drying.
The rotary drum type sludge dewatering and drying integrated machine has the beneficial effects that: the sludge after dehydration carries out the mummification and handles, and the sludge moisture content after handling is low, heats dewatering device and flocculating device through assisting heat and waste heat recycling system during low temperature, makes dehydration and flocculation treatment effectual, and the three-dimensional setting of dehydration drying integration, area is little, is favorable to the technological transformation of the narrow and small sewage plant in current space.
Drawings
The invention is described in detail below with reference to the figures and examples.
FIG. 1 is a schematic diagram of a front view of a structure of a rotary drum type sludge dewatering and drying integrated machine provided with a laminated spiral dewatering device, wherein a front side baffle is removed.
FIG. 2 is a schematic view of one side of a dome at the head end of the sludge drying device of the rotary drum type sludge dewatering and drying integrated machine.
FIG. 3 is a schematic cross-sectional view of a sludge drying device of the rotary drum type sludge dewatering and drying integrated machine of the present invention.
FIG. 4 is a schematic longitudinal sectional view of a sludge drying device of the integrated rotary drum type sludge dewatering and drying machine.
FIG. 5 is a schematic longitudinal sectional view of a sludge collector with a spiral transmission shaft of the integrated rotary drum type sludge dewatering and drying machine.
FIG. 6 is a schematic view of a flocculation device and a heat generating fan of the rotary drum type sludge dewatering and drying integrated machine of the present invention, in which a side plate on the front side of the flocculation device and a side plate of an outer shell of the heat generating fan are removed.
FIG. 7 is a schematic view of a prior art laminated spiral dewatering structure with the front side dams and side plates of the flocculation apparatus removed.
Fig. 8 is a schematic view of a prior art spin-dryer configuration.
Fig. 9 is a schematic view of a structure of a belt dehydrator of the prior art.
FIG. 10 is a schematic view of a prior art flat plate dehydrator structure with side baffles from the front of the dehydrator and side plates of the flocculator removed.
Fig. 11 is a schematic diagram of a prior art plate and frame filter press dehydrator structure.
In the figure, 1 is a flocculation device, 2 is a laminated spiral dewatering device, 3 is a speed reducing motor, 4 is a heat generating fan, 5 is a base, 6 is a hot air pipe, 7 is a heat conducting pipe, 8 is a movable ring, 9 is a fixed ring, 10 is a spiral pushing shaft, 11 is a screen bar, 12 is a triangular rotor, 13 is a squeezing plate, 14 is an overflow port, 15 is a rotary drum, 16 is a rotary drum driving motor, 17 is a chain, 18 is a gear, 19 is a dry sludge outlet, 20 is a sludge collector, 21 is a frame, 22 is a filter belt, 23 is a rolling drum, 24 is a flocculation stirrer, 25 is sewage, 26 is a wet sludge outlet, 27 is a spiral conveying shaft, 28 is a chain wheel, 29 is an electric heating wire assembly, 30 is an upper cover, 31 is a rotary drum motor, 32 is a spiral conveying motor, 33 is a head end dome, 34 is a dome, 35 is a feed inlet, 36 is a discharge outlet, 37 is a sludge inlet pipe, 38 is a waste heat discharge port, 39 is a blower, 40 is a mud conveying water pipe, 41 is a mud turning plate, 42 is a cross beam, 43 is a compacting device, 44 is a compacting plate, 45 is a side baffle, 46 is a medicine liquid inlet pipe, 47 is an air outlet, 48 is a sewage outlet, 49 is a filter plate, 50 is a filter frame, 51 is a thrust plate, and 52 is a spiral conveying shaft.
Detailed Description
The structure of the rotary drum type sludge dewatering and drying integrated machine is detailed in the following with the accompanying drawings:
a rotary drum type sludge dewatering and drying integrated machine is shown in figures 1 and 2: the structure of the system comprises a dehydration device, a sewage collecting tank 25, a flocculation device 1, a frame 21, a heat production fan 4, a heating furnace, a sludge drying device, a hot air pipe 6, a heat conducting pipe 7, a hot air circulating system, an auxiliary heat and waste heat recycling system and a condensation system; wherein the dehydration device is a laminated spiral dehydration device 2 or a centrifugal dehydration device or a belt squeezing dehydration device or a flat plate dehydration device or a plate frame filter-pressing dehydration device, wherein the laminated spiral dehydration device 2 consists of a movable ring 8, a fixed ring 9, a spiral pushing shaft 10 and a speed reducing motor 3, the fixed ring 9 is fixedly arranged with a frame 21, the movable ring 8 and the fixed ring 9 are arranged at intervals, the spiral pushing shaft 10 is arranged in the middle of the fixed ring 9 and the movable ring 8, the speed reducing motor 3 is fixedly arranged with the frame 21, the spiral pushing shaft 10 and the speed reducing motor 3 are connected by a gear 18 or a coupling, side baffles 45 are arranged at two sides of the spiral dehydration device, the centrifugal dehydration device consists of a rotary drum, a spiral conveying shaft 27, a differential mechanism, an upper cover 30, a rotary drum motor 31, a spiral conveying motor 32 and a motor transmission device, the rotary drum motor 31 and the spiral conveying motor 32 are respectively and fixedly connected with the frame 21, a rotary drum motor 31 is connected with the rotary drum through a differential and a motor transmission device, a screw conveying motor 32 is connected with a screw conveying shaft 27 through the motor transmission device, an upper cover 30 is arranged at the outer side of the upper part of the rotary drum, the left side and the right side are fixedly connected with a frame 21, a belt type squeezing dehydration device mainly comprises a filter belt 22, a rolling cylinder 23 and a speed reducing motor 3, the filter belt 22 is divided into an upper group and a lower group which respectively bypass the rolling cylinder 23, the rolling cylinder 23 is connected with the frame 21 through a bearing and a pneumatic device, the speed reducing motor 3 is fixed with the frame 21 and is connected with the rolling cylinder 23 through the motor transmission device, a flat plate type dehydration device comprises a screen bar 11, triangular rotors 12 and a squeezing plate 13, a long shaft and the speed reducing motor 3, at least two triangular rotors 12 are arranged on the long shaft in parallel, at least two long shafts are arranged on the frame, the speed reducing motor 3 is fixedly installed with the position of the frame 21, the sieve bar 11 is arranged on the upper part of the triangular rotor 12, the squeezing plate 13 is arranged on the upper part of the sieve bar 11, the upper part of the front end of the squeezing plate 13 is provided with an air cylinder, the air cylinder is fixedly connected with the position of the frame 21 and is fixedly connected with the frame 21, the plate frame filter-press type dehydration device consists of a filter plate 49, a filter frame 50, filter cloth, a thrust plate 51, a compression plate 44 and a compression device 43, the filter plate 49 and the filter frame 50 are vertically installed on the upper part of a cross beam 42 of the frame 21, the two sides of the filter plate 49 are provided with the filter cloth, the filter plate 49 and the filter frame 50 are arranged at intervals, the middle parts of the filter plate 49 and the filter frame 50 are round holes, the mud conveying pipe 40 corresponds to the round holes, the thrust; the sewage collecting tank 25 is arranged at the lower part of the dehydration device, the upper part of the sewage collecting tank is open, a sewage outlet 48 is arranged at one side of the lower part of the sewage collecting tank, or a sewage collecting pipe is arranged at the lower part of the inner side of the sewage collecting tank 25 and is connected with the sewage outlet 48; flocculation apparatus 1, as shown in fig. 6: the device is arranged on the other side corresponding to a wet sludge outlet 26 of a dewatering device and comprises a flocculation stirring tank, a flocculation reaction tank, a flocculation stirring tank and a flocculation reaction tank which are arranged adjacently, a water inlet is arranged on the upper part or the lower part between the flocculation stirring tank and the flocculation reaction tank, a stirrer is arranged in the flocculation stirring tank, an overflow port 14 is arranged on the upper part, a sludge inlet pipe 37 is arranged on the upper part, a liquid medicine inlet pipe 46 is arranged on the upper part, the upper part of the flocculation reaction tank is connected with a sludge inlet of the dewatering device through a sludge conveying pipe 40, a sludge collector 20 is arranged on the lower part of the wet sludge outlet 26 of the dewatering device, an upper part feed inlet 35 of the sludge collector 20 is arranged on the lower part of the wet sludge outlet 26 of the dewatering device, a lower part discharge outlet 36 is arranged on one side of the sludge inlet of a sludge drying device, the sludge drying device consists of a rotary drum 15, a rotary drum driving motor 16, a transmission device, a sludge, the head end dome 33, the tail end dome 34 and the rotary drum driving motor 16 are fixedly connected with the base 5, the rotary drum 15 is arranged between the head end dome 33 and the tail end dome 34, is horizontally or obliquely arranged and is connected with the head end dome 33 and the tail end dome 34 through a ball bearing or a roller bearing or a sliding bearing, the waste heat discharging port 38 is arranged in the middle or the upper part of the head end dome 33 or the tail end dome 34, the sludge inlet is arranged in the middle or one side of the head end dome 33 and is connected with the discharge port 36 of the sludge collector 20, the dried sludge outlet 19 is arranged in the lower part of the tail end dome 34, the hot air pipe 6 or the heat conducting pipe 7 is arranged in the middle of the rotary drum 15, passes through the middle of the head end dome 33 or the tail end dome 34 and is connected with the heat generating fan 4 or the heating furnace, the sludge turning plate 41 is arranged on the inner side of the rotary drum 15 and is fixedly connected with the rotary, the transmission device is a gear 18 or a chain 17 and a chain wheel 28, the outer side of the rotary drum 15 is provided with the gear 18, the shaft of the rotary drum driving motor 16 is provided with the gear 18, the gear 18 outside the rotary drum 15 is meshed with the gear 18 on the shaft of the rotary drum driving motor 16, or the outer side of the rotary drum 15 is provided with the chain wheel 28, the shaft of the rotary drum driving motor 16 is provided with the chain wheel 28, the chain 17 is arranged between the chain wheel 28 outside the rotary drum 15 and the chain wheel 28 on the shaft of the rotary drum driving motor 16, the hot air circulating system comprises a hot air circulating pipe and a hot air circulating fan, one end of the hot air circulating pipe is connected with a waste heat discharging port, the other end of the hot air circulating fan is connected with an air inlet of the hot air circulating fan, an air outlet of the hot air circulating fan is connected with a head end dome or a tail end dome through a pipeline, an auxiliary heat and waste heat recycling, one side facing the dewatering device is provided with through holes, the interval of the through holes is 30mm to 100mm, the diameter of each hole is 3mm to 20mm or is arranged in a closed manner, two ends of each through hole are respectively connected with the waste heat discharging port 38 and the heat generating fan 4 air outlet 47 or the heating furnace liquid outlet or the steam outlet and the reflux port through pipelines, the joints of the two ends are respectively provided with one valve, the flocculation auxiliary heat pipe is arranged on the outer side or the inner side of the flocculation device 1 and is arranged in a surrounding manner, the air outlet 47 of the flocculation auxiliary heat pipe is arranged on the lower part in the flocculation stirring tank or on the outer side of the flocculation stirring tank, the air inlet of the flocculation auxiliary heat pipe is respectively connected with the waste heat discharging port 38 and the heat generating fan 4 air outlet 47 through pipelines and is respectively provided with one valve, or one end of each valve is; heat generating fan 4, as shown in fig. 6: the heating furnace is arranged at the lower part of the flocculation device 1 and is divided into a blower 39, an electric heating wire assembly 29 and an outer shell, the blower 39 and the electric heating wire assembly 29 are arranged in the outer shell and are fixedly connected with the outer shell, the blower 39 is arranged at one side of the electric heating wire assembly 29, an air outlet 47 is arranged at the other side, or a heating furnace is arranged at the lower part of the flocculation device 1 or is arranged independently, a liquid outlet or a steam outlet is connected with an inlet pipe of the heat conduction pipe 7 through a heat circulation pump, and a return port is connected with an outlet pipe of the heat; the front end of a condensate pipe of the condensing system is connected with the tail end of a dehydration auxiliary heat pipe or a flocculation auxiliary heat pipe of the auxiliary heat and waste heat recycling system, and the tail end of the condensate pipe is inserted into the sewage collecting tank 25.
The rotary drum type sludge dewatering and drying all-in-one machine is characterized in that the hot air pipe 6 is as shown in fig. 3 and 4: the middle of setting in revolving a section of thick bamboo 15 sets up the through-hole, and the through-hole interval is 30mm to 100mm, and hole diameter 3mm to 20mm, hot-blast main 6 is being connected with 4 air outlets 47 of heat production fan through the pipeline near 4 departments of heat production fan.
The rotary drum type sludge dewatering and drying all-in-one machine is as described above, wherein the heat conducting pipe 7 is as shown in fig. 3 and fig. 4: the heat conduction pipe is divided into an inlet pipe and an outlet pipe, the inlet pipe is arranged in the middle of the rotary drum 15, the inlet pipe of the heat conduction pipe 7 is connected with a liquid outlet or a steam outlet of the heating furnace through a heat circulation pump at a position close to the heating furnace, and the outlet pipe of the heat conduction pipe 7 is connected with a reflux port of the heating furnace.
The rotary drum type sludge dewatering and drying all-in-one machine is characterized in that the sludge collector 20 is shown in fig. 2 and 5: the sludge collector 20 is vertically arranged, an upper feed inlet 35 of the sludge collector 20 is arranged at the lower part of a wet sludge outlet 26 of the dehydration device, a lower discharge outlet 36 is arranged at one side of a sludge inlet of the sludge drying device, or the sludge collector 20 is transversely arranged, an upper feed inlet 35 is arranged at the lower part of the wet sludge outlet 26 of the dehydration device or the lower parts of a filter plate 49 and a filter frame 50, a spiral conveying shaft 52 or a conveying belt is arranged at the lower part of the feed inlet 35, a discharge outlet 36 is arranged at the lower part of one end, the sludge collector 20 is fixedly installed with the frame 21 or the upper part is fixedly installed with the wet sludge outlet 26 of the dehydration device, and the lower part is fixedly installed with.
The principle and the operation process of the rotary drum type sludge dewatering and drying integrated machine are detailed in the following with the accompanying drawings:
the mud water of the sewage treatment system is conveyed into a flocculation stirring tank through a screw pump and a mud water inlet pipe 37, a coagulant aid is conveyed into the flocculation stirring tank through a metering pump and a liquid medicine inlet pipe 46, a flocculation stirrer 24 is opened, the flocculation stirrer 24 rotates to mix the coagulant aid with the mud water, the mud in the mud water is flocculated into clusters under the action of the coagulant aid, then the flocculated and clustered mud and water enter a flocculation reaction tank through a water inlet between the flocculation stirring tank and the flocculation reaction tank, when the water level of the flocculation stirring tank is overhigh, the mud water is discharged through an overflow port 14 at the upper part of the flocculation stirring tank, the mud water in the flocculation reaction tank flows into a liquid inlet of a dewatering device through a mud water conveying pipe 40, the mud water is extruded or squeezed or centrifugally compressed by the dewatering device to separate the mud from the water, the dewatered mud is wet mud, the water content in the mud is 75-85%, and the wet mud is concentrated to a mud inlet of a mud drying device, wet sludge is turned by a rotary drum driving motor 16 with a rotary drum 15 in a sludge drying device, hot air generated by a heat generating fan 4 is introduced into the rotary drum 15 through a hot air pipe 6, or a heat conducting medium in a heating furnace is introduced into a heat conducting pipe 7 in the rotary drum 15 through a heat circulating pump and an introducing pipe of the heat conducting pipe 7 and then flows back to the heating furnace through a leading-out pipe of the returned heat conducting pipe 7, the heat conducting medium can be hot water, steam and heat conducting oil, the steam generated after the wet sludge in a sludge conveying pipe is heated is discharged through a waste heat discharging port 38, hot air discharged through the waste heat discharging port is introduced into the rotary drum again by the hot air circulating fan for hot air circulation or enters an auxiliary heat and waste heat recycling system, a valve of a dewatering auxiliary heat pipe on the side surface of the dewatering device is opened, the steam is sprayed towards the dewatering device to heat the body and the periphery of the dewatering device, and a valve of a flocculation, intraductal steam to flocculation stirred tank body and peripheral heating, the steam that lets in the flocculation stirred tank can also be to muddy water heating, assists hot and waste heat retrieval and utilization pipe and is connected with condensate pipe, and in the sewage collecting vat 25 was inserted to condensate pipe's end, the water that extrudes through the dewatering device in the sewage collecting vat 25 cooled down steam, made steam cooling condense into water.
The rotary drum type sludge dewatering and drying integrated machine is pollution-free in the operation process, redundant heat is used for improving the treatment efficiency of the dewatering device and the flocculation device, energy is saved, and the water content of dried sludge can reach 20-30%.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. A rotary drum type sludge dewatering and drying integrated machine is an improvement of a sludge dewatering machine and mainly comprises a dewatering device and a drying device; the method is characterized in that: the structure of the system comprises a dehydration device, a sewage collecting tank, a flocculation device, a frame, a heat production fan, a heating furnace, a sludge drying device, a hot air pipe, a heat conduction pipe, a hot air circulating system, an auxiliary heat and waste heat recycling system and a condensation system; wherein the dewatering device is a laminated spiral dewatering device or a centrifugal dewatering device or a belt press dewatering device or a flat plate dewatering device or a plate frame press filtration dewatering device, wherein the laminated spiral dewatering device comprises a movable ring, a fixed ring, a spiral pushing shaft and a speed reducing motor, the fixed ring is fixedly installed with a frame, the movable ring and the fixed ring are arranged at intervals, the spiral pushing shaft is arranged in the middle of the fixed ring and the movable ring, the speed reducing motor is fixedly installed with the frame, the spiral pushing shaft and the speed reducing motor are connected through a gear or a coupler, side baffles are arranged on two sides of the spiral dewatering device, the centrifugal dewatering device comprises a rotary drum, a spiral conveying shaft, a differential mechanism, an upper cover, a rotary drum motor, a spiral conveying motor and a motor transmission device, the rotary drum motor and the spiral conveying motor are respectively and fixedly connected with the frame, and the motor is connected with the rotary drum through the differential mechanism and, the spiral conveying motor is connected with a spiral conveying shaft through a motor transmission device, the upper cover is arranged on the outer side of the upper part of the rotary drum, the left side and the right side of the upper cover are fixedly connected with the frame, the belt type squeezing dehydration device mainly comprises a filter belt, a rolling cylinder and a speed reducing motor, the filter belt is divided into an upper group and a lower group which respectively bypass the rolling cylinder, the rolling cylinder is connected with the frame through a bearing and a pneumatic device, the speed reducing motor is fixed with the frame and connected with the rolling cylinder through the motor transmission device, the flat type dehydration device comprises a screen bar, triangular rotors and a squeezing plate, a long shaft and the speed reducing motor, at least two triangular rotors are arranged on the long shaft in parallel, at least two long shafts are arranged on the frame side by side, the long shaft is connected with the speed reducing motor through the motor transmission device, the speed reducing motor is fixedly installed with the frame, the screen bar is arranged on the upper, the air cylinder is fixed with the frame and fixedly connected with the frame, the plate-frame filter-press type dehydration device consists of a filter plate, a filter frame, filter cloth, a thrust plate, a compression plate and a compression device, the filter plate and the filter frame are vertically arranged on the upper part of a cross beam of the frame, the filter cloth is arranged on two sides of the filter plate, the filter plate and the filter frame are arranged at intervals, the filter plate and the middle part of the filter frame are round holes, a mud conveying water pipe corresponds to the round holes, the thrust plate is fixedly arranged at one end of the frame, and the compression plate is arranged at the other end and connected; the sewage collecting tank is arranged at the lower part of the dehydration device, the upper part of the sewage collecting tank is open, one side of the lower part of the sewage collecting tank is provided with a sewage outlet, or the lower part of the inner side of the sewage collecting tank is provided with a sewage collecting pipe which is connected with the sewage outlet; the flocculation device is arranged on the other side corresponding to a wet mud outlet of the dehydration device and comprises a flocculation stirring tank, a flocculation reaction tank, the flocculation stirring tank and the flocculation reaction tank are arranged adjacently, a water inlet is formed in the upper portion or the lower portion between the flocculation stirring tank, a stirrer is arranged in the flocculation stirring tank, an overflow port is arranged on the upper portion, a mud water inlet pipe is arranged on the upper portion, a liquid medicine inlet pipe is arranged on the upper portion, the upper portion of the flocculation reaction tank is connected with a mud water inlet of the dehydration device through a mud water pipe, a mud collector is arranged on the lower portion of the wet mud outlet of the dehydration device, an upper feed inlet of the mud collector is arranged on the lower portion of the wet mud outlet of the dehydration device, a lower discharge outlet is arranged on one side of the mud inlet of the sludge drying device, the sludge drying device consists of a rotary drum, a rotary drum driving motor, a transmission device, a mud turning plate, the tail end dome and the rotary drum driving motor are fixedly connected with the base, the rotary drum is arranged between the head end dome and the tail end dome, the rotary drum is horizontally or obliquely arranged and is connected with the head end dome and the tail end dome through a ball bearing or a roller bearing or a sliding bearing, the waste heat discharging port is arranged in the middle or at the upper part of the head end dome or the tail end dome, the sludge inlet is arranged in the middle or at one side of the head end dome and is connected with a discharge port of a sludge collector, the dry sludge discharging port is arranged at the lower part of the tail end dome, a hot air pipe or a heat conducting pipe is arranged in the middle of the rotary drum and penetrates through the middle of the head end dome or the tail end dome to be connected with a heat generating fan or a heating furnace, the sludge turning plate is arranged at the inner side of the rotary drum and is fixedly connected with the rotary drum through a spiral body or a triangular body or a conical body or a rectangular body, the linkage is arranged in, the gear outside the rotary drum is engaged with the gear on the shaft of the rotary drum driving motor, or the outside of the rotary drum is provided with a chain wheel, the shaft of the rotary drum driving motor is provided with a chain wheel, the chain is arranged between the chain wheel outside the rotary drum and the chain wheel on the shaft of the rotary drum driving motor, the hot air circulating system comprises a hot air circulating pipe and a hot air circulating fan, one end of the hot air circulating pipe is connected with the waste heat discharging port, the other end of the hot air circulating pipe is connected with the air inlet of the hot air circulating fan, the air outlet of the hot air circulating fan is connected with the head end dome or the tail end dome through a pipeline, the auxiliary heating and waste heat recycling system comprises a dewatering auxiliary heat pipe and a flocculation auxiliary heat pipe, the dewatering auxiliary heat pipe is arranged at two sides of the dewatering device and fixedly connected with the frame, one side facing the dewatering device is provided with through holes, the interval of the through holes is 30mm to 100mm, the diameter of the holes, the connection parts of the two ends are respectively provided with a valve, the flocculation auxiliary heat pipe is arranged on the outer side or the inner side of the flocculation device and is arranged in a surrounding way, the air outlet of the flocculation auxiliary heat pipe is arranged on the lower part in the flocculation stirring tank or on the outer side of the flocculation stirring tank, the air inlet of the flocculation auxiliary heat pipe is respectively connected with the exhaust heat port and the air outlet of the heat generating fan through pipelines, and the valves are respectively arranged, or one end of the flocculation auxiliary heat pipe is connected with the liquid outlet or the steam outlet of the heating furnace through a heat circulating pump, and the other end of; the heat production fan is arranged at the lower part of the flocculation device and comprises a fan, an electric heating wire assembly and an outer shell, the fan and the electric heating wire assembly are arranged in the outer shell and are fixedly connected with the outer shell, the fan is arranged at one side of the electric heating wire assembly, an air outlet is arranged at the other side, or a heating furnace is arranged at the lower part of the flocculation device or is arranged independently, a liquid outlet or a steam outlet is connected with a lead-in pipe of the heat conduction pipe through a heat circulating pump, and a reflux port is connected with a lead-out pipe of; the front end of a condensate pipe of the condensing system is connected with the tail end of a dehydration auxiliary heat pipe or a flocculation auxiliary heat pipe of the auxiliary heat and waste heat recycling system, and the tail end of the condensate pipe is inserted into the sewage collecting tank.
2. The rotary drum type sludge dewatering and drying all-in-one machine as claimed in claim 1, which is characterized in that: the hot-blast main setting in the centre of revolving in the section of thick bamboo, set up the through-hole, the through-hole interval is 30mm to 100mm, hole diameter 3mm to 20mm, the hot-blast main is being connected with heat production fan air outlet through the pipeline near heat production fan department.
3. The rotary drum type sludge dewatering and drying all-in-one machine as claimed in claim 1, which is characterized in that: the heat conduction pipe is divided into an inlet pipe and an outlet pipe, the inlet pipe and the outlet pipe are arranged in the middle of the rotary drum, the inlet pipe of the heat conduction pipe is connected with a liquid outlet or a steam outlet of the heating furnace through a heat circulating pump at a position close to the heating furnace, and the outlet pipe of the heat conduction pipe is connected with a reflux port of the heating furnace.
4. The rotary drum type sludge dewatering and drying all-in-one machine as claimed in claim 1, which is characterized in that: receive the mud ware and set up perpendicularly, the upper portion feed inlet setting of receiving the mud ware goes out the lower part of wet mud mouth at dewatering device, the lower part discharge gate sets up the one side at sludge drying device's mud inlet, or receive the horizontal setting of mud ware, the upper portion feed inlet setting goes out the lower part of wet mud mouth or filter plate and filter frame at dewatering device, the lower part of feed inlet sets up the defeated material axle of spiral or conveyer belt, the lower part of one end sets up the discharge gate, receive mud ware and frame fixed mounting or upper portion and dewatering device's play wet mud mouth fixed mounting, lower part and sludge drying device mud inlet fixed mounting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810647051.1A CN110590105A (en) | 2018-06-11 | 2018-06-11 | Rotary drum type sludge dewatering and drying integrated machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810647051.1A CN110590105A (en) | 2018-06-11 | 2018-06-11 | Rotary drum type sludge dewatering and drying integrated machine |
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| Publication Number | Publication Date |
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| CN110590105A true CN110590105A (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810647051.1A Pending CN110590105A (en) | 2018-06-11 | 2018-06-11 | Rotary drum type sludge dewatering and drying integrated machine |
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| CN (1) | CN110590105A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110922020A (en) * | 2019-12-27 | 2020-03-27 | 浙江德创环保科技股份有限公司 | Sludge dewatering machine for desulfurization wastewater chloride ion extraction system |
| CN113354245A (en) * | 2021-04-24 | 2021-09-07 | 杭州国泰环保科技股份有限公司 | Half-dry sludge dewatering treatment device |
| WO2022126423A1 (en) * | 2020-12-16 | 2022-06-23 | 浙江千辰生态环保科技有限公司 | Sludge treatment device for environmental protection |
-
2018
- 2018-06-11 CN CN201810647051.1A patent/CN110590105A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110922020A (en) * | 2019-12-27 | 2020-03-27 | 浙江德创环保科技股份有限公司 | Sludge dewatering machine for desulfurization wastewater chloride ion extraction system |
| CN110922020B (en) * | 2019-12-27 | 2024-03-15 | 浙江德创环保科技股份有限公司 | Sludge dewatering machine for desulfurization wastewater chloride ion extraction system |
| WO2022126423A1 (en) * | 2020-12-16 | 2022-06-23 | 浙江千辰生态环保科技有限公司 | Sludge treatment device for environmental protection |
| CN113354245A (en) * | 2021-04-24 | 2021-09-07 | 杭州国泰环保科技股份有限公司 | Half-dry sludge dewatering treatment device |
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