CN105776801A - Vehicle-mounted sludge drying device and method - Google Patents
Vehicle-mounted sludge drying device and method Download PDFInfo
- Publication number
- CN105776801A CN105776801A CN201610214702.9A CN201610214702A CN105776801A CN 105776801 A CN105776801 A CN 105776801A CN 201610214702 A CN201610214702 A CN 201610214702A CN 105776801 A CN105776801 A CN 105776801A
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- China
- Prior art keywords
- cyclone dust
- air
- blender
- air inlet
- sludge drying
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
Abstract
The invention relates to a vehicle-mounted sludge drying device and method.The drying device comprises a spiral feeder, a heat exchanger, a stirrer, a feed box, cyclone dust collector, a fan, a discharger, a combustor and an exhaust pipe.A discharging opening of the spiral feeder is communicated with a feeding inlet of the stirrer.A discharging opening of the stirrer is communicated with the side face of the feed box.The bottom side of the stirrer is provided with the heat exchanger and the combustor.The combustor is located above the heat exchanger.The cyclone dust collector is arranged on the top of the feed box.The discharger is arranged at the bottom of the feed box.An air inlet of the cyclone dust collector is connected with the fan.An air outlet is connected with the exhaust pipe.According to the vehicle-mounted sludge drying device and method, sludge can be decreased to the maximum extent, the transportation cost is lowered, the sludge can be sufficiently dried, waste is recycled, and the environmental-friendly idea of energy conservation and emission reduction is fully represented.
Description
Technical field
The present invention relates to drying sludge process field, particularly to a kind of sewer, septic tank sludge drying device.
Background technology
Over nearly 20 years, along with the high speed development of China's urban construction, the length of municipal sewage system is also increasing rapidly, but municipal administration there is also reconstruction and sets, gently safeguards, there is shortcoming particularly in aspects such as pipe-line maintenance, maintenance technology.Over nearly 10 years, China's municipal sewage system, anaerobic tank soil pick-up and dredging machinery obtain fast development.
China in the market for sewer and anaerobic tank dredging, clean, the municipal special sanitation vehicle of soil pick-up, mainly have three classes: suction-type sewer scavenger, dredging cleaning Vehicle, combine dredging (soil pick-up, dredging) car.Overall dimensions and heavily quantitative limitation it is subject to because of mobile unit, foul water tank and filtered water tank limited volume, therefore clean or the soil pick-up time only has about 10 minutes, if one-stop operation does not complete cleaning or the soil pick-up operation of sewer, it is necessary to first give an encore and the sewage of foul water tank is laid down or filled it up with by filtered water tank clear water again carry out operation；Secondly, in foul water tank, sewage is not owing to carrying out mud-water separation, and sewage cannot realize minimizing, and therefore, vehicle transportation cost is high, and sewage treatment plant processes load and strengthens, and vehicle there is also because of poorly sealed generation secondary pollution phenomenon in transportation.The shortcomings such as the existing product ubiquity activity duration is short, function singleness, working performance are low, operating cost is high, secondary pollution.
For problem above, " the combined suction sewage truck ultrasound wave mud-water separation Integrated Processing Unit " that Chinese invention patent CN201410242474 discloses, mud in sewage can be fully separated from water by this invention by ultrasonic pretreatment device, then carries out draining respectively and discharges mud.
Separately there is " sewer sludge-cleaning vehicle sludge-water segregation apparatus " disclosed by patent of invention CN201120437957.4 " the vacuum cleaning truck device for separating mud and water " disclosed and patent of invention CN201520071930.6 all innovated in mud-water separation just for prior art and improve, but yet suffer from bigger room for improvement on how the mud after separating being carried out to decrement treatment and effectively utilizing.
Summary of the invention
It is an object of the invention to provide a kind of vehicular sludge drying mechanism, can be further dried prior art being dredged car mud after sewage is carried out mud-water separation, make mud obtain maximum minimizing and process.
In order to achieve the above object, the present invention adopts such technical scheme to be:
A kind of vehicular sludge drying mechanism, it is characterized in that, including feeding screw, heat exchanger, blender, hopper, cyclone dust extractor, blower fan, discharger, burner and exhaust duct, wherein, the discharging opening of feeding screw communicates with the charging aperture of blender, the discharging opening of blender connects with hopper side, blender bottom side is respectively equipped with heat exchanger and burner, and burner is positioned at the upper position of heat exchanger, the top of hopper is provided with cyclone dust extractor, bottom is provided with discharger, and the air inlet of cyclone dust extractor connects with blower fan, and air outlet runs in airduct.
Preferably, described blender includes mixing drum, it is arranged on the shaft in mixing drum and the multiple stirrer gears being arranged on shaft, described mixing drum arranges described charging aperture and discharging opening, this discharging opening is tangent with described mixing drum circumferencial direction, the charging aperture of mixing drum is connected with air inlet, and this air inlet is provided with arc deflector, and the direction of deflector is consistent with shaft direction of rotation.
Preferably, described shaft is hollow cross axle, and this axle center is hollow circular-tube, and the outer circumference surface at pipe is uniformly distributed multiple connecting plate.
Preferably, described stirrer gear is U-shaped structure, has semi arch end and parallel free end, and this semi arch end is fixed on the connecting plate of described shaft by arc pressuring plate, and the stirrer gear between each connecting plate is in shifting to install.The U-shaped structure of stirrer gear can increase the cutting area to mud cake and be easy to again location and installation.
Preferably, the discharge outlet of described mixing drum is provided with arc deflector, and the concave arc of this deflector is down.
Preferably, described cyclone dust extractor is cylindrical structural, this cyclone dust extractor axis direction becomes to be horizontally placed at hopper top, hopper rear lateral portion and circumference the tangent are provided with air inlet, this air inlet is provided with tangentially connected with cyclone dust extractor circumference and vertically arranged deflector, and there is semicircular arc plate at this cyclone dust extractor center close to air inlet side；This cyclone dust extractor is provided with the discharge port tangent with circumferencial direction away from air inlet side, and the dust of separation is entered in a small bins by this discharge port.
Preferably, small bins and air inlet are joined directly together by the top of described small bins also by a little airduct, make small bins produce the pressure reduction of a relative cyclone dust extractor, increase the dust removing effects of big dust particle.
Preferably, the water inlet of described heat exchanger, outlet are connected with the outlet of engine in situ, water inlet respectively.Make full use of the heat of electromotor, play good energy-saving effect.
Preferably, described exhaust duct is provided with water washing dedust device, and foraminate shower offered respectively by this water washing dedust device in both sides, and aperture direction is vertical with airflow direction.
Another technical scheme that the present invention adopts is:
A kind of drying method for sludge, including:
Step 1, will be provided with mud cake produced by the dredging car of mud-water separation function and delivers into blender by a feeding screw, utilizes the stirrer gear of blender that mud cake cuts into granule of uniform size；
Step 2, after outside air is heated by heat exchanger, the hot-air being thermally generated temperature more than 150 degree is added again by burner, hot-air enters in blender from the deflector of blender, hot-air and wet mud granule air-flow, shaft effect under, rotation together, mixing, heat exchange, dried enter in hopper from the tangential direction on blender top, formed dry mud granule, larger particles dust and with the air of dust;
Step 3, the air with dust is made to enter cyclone dust extractor from hopper top, dry mud granule enters dirt collection bag by the discharger mouth of bottom under gravity, the dust of larger particles enters small bins by centrifugal sedimentation, by a little airduct, small bins and air inlet are joined directly together, make small bins produce the pressure reduction of a relative cyclone dust extractor, increase the dust removing effects of big dust particle.
Step 4, through blower fan discharge air then through the further dedusting of water washing dedust device on exhaust duct.
The technical program, compared with background technology, has the advantage that
1. dirt minimizing, reduces cost of transportation: after mud-water separation, and the sludge concentration and dewatering of separation also dries, and makes sewage decrement more than 98%；
2. refuse reclamation: bigger through the sludge moisture content of mud-water separation, it is impossible to recycling, dehydrated sludge be dried after material can make crops fertilizer use, it is also possible in burning electricity generation.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the rearview of Fig. 1.
Fig. 4 is the C portion enlarged drawing of Fig. 1.
Fig. 5 is the structural representation of shaft.
Fig. 6 is the generalized section of hopper and cyclone dust extractor.
Fig. 7 is the B-B generalized section of Fig. 6.
Fig. 8 is blender deflector structure schematic diagram of the present invention.
In figure:
1-feeding screw
2-heat exchanger
3-blender 31-power set 32-shaft coupling 33-stirrer gear 34-arc pressuring plate
35-shaft 36-mixing drum 38-deflector 311-power set
The taper roll bearing that 312-power transmission shaft 353-ring flange 313-is less
Taper roll bearing 315-Y shape oil sealing bigger for 314-
352-hollow circular-tube 351-connecting plate 4-hopper 42-arc deflector
5-cyclone dust extractor 51-arc plate 52-deflector 53-small bins
54-rubber weather strip 55-little airduct 57-discharge port 6-blower fan
7-discharger 8-water washing dedust device 81-spraying water pipe
9-burner 10-exhaust duct.
Detailed description of the invention
In order to technical scheme is explained further, it is described in detail below by specific embodiment.
A kind of vehicular sludge drying mechanism, including feeding screw 1, heat exchanger 2, blender 3, hopper 4, cyclone dust extractor 5, blower fan 6, discharger 7, water washing dedust device 8, burner 9 and exhaust duct 10.
Wherein, the discharging opening of feeding screw 1 communicates with the charging aperture of blender 3, the discharging opening of blender 3 connects with hopper 4 side, blender 3 bottom side is respectively equipped with heat exchanger 2 and burner 9, and burner 9 is positioned at the upper position of heat exchanger 2, the top of hopper 4 is provided with cyclone dust extractor 5, and bottom is provided with discharger 7, the air inlet of cyclone dust extractor 5 connects with blower fan 6, and air outlet runs in airduct 10.
Specifically, as shown in Fig. 1, Fig. 4, Fig. 5 and Fig. 8, this blender 3 includes mixing drum 36, is arranged on the shaft 35 in mixing drum 36 and the multiple stirrer gears 33 being arranged on shaft 35.
The lower left side of this mixing drum 36 and upper right side are respectively provided with charging aperture and discharging opening, and charging aperture is connected with the discharging opening of feeding screw 1, and discharging opening is connected with hopper 4, and the direction of discharging opening is tangent with the circumferencial direction of mixing drum 36.Being additionally provided with an air inlet below the lower left side charging aperture of mixing drum 36, this air inlet is provided with arc deflector 38, and the direction of deflector 38 is consistent with shaft 35 direction of rotation.It is provided with on the left of heat exchanger 2 on the downside of the air inlet of this mixing drum 36 and is provided with burner 9.
There is shaft 35 at this mixing drum 36 center, and this shaft 35 top is provided with circular flange dish 353, and the upper side of ring flange 353 has a boss.This shaft 35 axle center and this mixing drum 36 axis coinciding.This shaft 35 is hollow cross axle, and center is hollow circular-tube 352, and the outer circumference surface at pipe 352 is uniformly distributed 4 connecting plates 351, and this connecting plate 351 has equidistant screw, and the screw upper-lower position on each adjacent connecting plate staggers.
This stirrer gear 33 is U-shaped structure.The semi arch end of this stirrer gear 33 is fixed on the connecting plate 351 of shaft 35 by an arc pressuring plate 34, and the U-shaped structure of stirrer gear 33 can increase the cutting area to mud cake and be easy to again location and installation.
This dynamic device 311 in mixing drum 36 top dead centre position, these power set 311 are connected with shaft 35 by a shaft coupling 32.This shaft coupling 32 is circular, upper side is boss, this boss coordinates with the power transmission shaft 312 of power set 311, this shaft coupling 32 downside is spill circular groove, this spill circular groove coordinates with circular flange dish 353 boss at shaft 35 top, has the bolt being circular layout to be connected with described power transmission shaft 312 in this spill circular groove.
This power transmission shaft 312 is the Step Shaft of hollow, the bottom of this Step Shaft has circular groove to coordinate with shaft coupling 32 boss, the lower end surface of this Step Shaft has the screw annularly arranged for assembling the bolt in shaft coupling 32 groove, it is achieved the connection of power transmission shaft 312 and shaft 35, thus transmitting power.Bigger taper roll bearing 314 is arranged at this power transmission shaft 312 bottom, has Y shape oil sealing 315 below this taper roll bearing 314；Less taper roll bearing 313 is arranged at this power transmission shaft 312 top, and this less taper roll bearing 313 is locked above with packing ring and round nut, and this larger axis holds 314 and adopts back-to-back arrangement with less bearing 313；The top of this power transmission shaft 312 centre bore coordinates with the axle of reducing motor.
As shown in Figure 1 and Figure 2, the entery and delivery port of this heat exchanger 2 is connected with the outlet and inlet of engine in situ respectively.Make full use of the heat of electromotor, play good energy-saving effect.
As shown in Figure 6, the air inlet that this hopper 4 is connected with mixing drum 36 has arc deflector 42, the concave arc of this deflector is down, the dust air-flow entering hopper 4 is moved downward, big dust particle deposits, and the gas flow counterflow containing molecule upwards enters this cyclone dust extractor along the tangent to periphery direction of described cyclone dust extractor 5 from the side.
As shown in Figure 6, Figure 7, this cyclone dust extractor 5 is cylindrical structural, this cyclone dust extractor 5 axis direction becomes to be horizontally placed at hopper 4 top, air inlet is tangent with circumference, this air inlet is provided with tangentially connected with cyclone dust extractor circumference and vertically arranged deflector 52, and there is semicircular arc plate 51 at this cyclone dust extractor center close to air inlet side.This cyclone dust extractor 5 is provided with the discharge port 57 tangent with circumferencial direction away from air inlet side, and the dust of separation is entered in small bins 53 by this discharge port 57.Small bins 53 and blower fan 6 import are joined directly together by the top of small bins 53 also by a little airduct 55, make small bins 53 produce the pressure reduction of a relative cyclone dust extractor 5, increase the dust removing effects of big dust particle.Adopt U-shaped hollow rubber sealing strip 54 to seal between the outlet of this cyclone dust extractor 5 and air inlet, being flexible coupling because of blower fan and cyclone dust extractor can be solved, it is prevented that because of the vibration effect cyclone dust extractor of blower fan, can seal again, moreover it is possible to save installing space.
As it is shown on figure 3, this exhaust duct 10 is provided with water washing dedust device 8, foraminate shower 81 offered respectively by this water washing dedust device in both sides, and aperture direction is vertical with airflow direction.
When utilizing said apparatus that mud is dried process, comprise the steps of
Step 1, will be provided with mud cake produced by the dredging car of mud-water separation function and delivers into blender 3 by a feeding screw 1, utilize the stirrer gear 33 of blender 3 that mud cake cuts into mud granule of uniform size；
Step 2, outside air is by after heat exchanger 2 heating, the hot-air being thermally generated temperature more than 150 degree is added again by burner 9, hot-air enters in blender 3 from the deflector 38 of blender 3, hot-air and wet mud granule air-flow, shaft 35 effect under, rotation together, mixing, heat exchange, dried enter in hopper 4 from the tangential direction on blender 3 top, formed dry mud granule, larger particles dust and with the air of dust;
Step 3, the air with dust is made to enter cyclone dust extractor 5 from hopper 4 top, dry mud granule enters dirt collection bag by discharger 7 outlet of bottom under gravity, the dust of larger particles enters small bins 53 by centrifugal sedimentation, by a little airduct 55, small bins 53 and blower fan 6 import are joined directly together, make small bins 53 produce the pressure reduction of a relative cyclone dust extractor 5, increase the dust removing effects of big dust particle；
Step 4, through blower fan discharge air then through the further dedusting of water washing dedust device on exhaust duct.
The present invention is possible not only to make mud obtain maximum minimizing and processes, and reduces cost of transportation, but also mud can be made through fully dried, and refuse reclamation has fully demonstrated the environmental protection concept of energy-saving and emission-reduction.
The product form of the present invention is not limited to this case diagram and embodiment, and it is carried out the suitably change of similar thinking or modifies by anyone, all should be regarded as the patent category without departing from the present invention.
Claims (10)
1. a vehicular sludge drying mechanism, it is characterized in that, including feeding screw, heat exchanger, blender, hopper, cyclone dust extractor, blower fan, discharger, burner and exhaust duct, wherein, the discharging opening of feeding screw communicates with the charging aperture of blender, the discharging opening of blender connects with hopper side, blender bottom side is respectively equipped with heat exchanger and burner, and burner is positioned at the upper position of heat exchanger, the top of hopper is provided with cyclone dust extractor, bottom is provided with discharger, and the air inlet of cyclone dust extractor connects with blower fan, and air outlet runs in airduct.
2. a kind of vehicular sludge drying mechanism as claimed in claim 1, it is characterized in that, described blender includes mixing drum, it is arranged on the shaft in mixing drum and the multiple stirrer gears being arranged on shaft, arranging described charging aperture and discharging opening on described mixing drum, this discharging opening is tangent with described mixing drum circumferencial direction, and the charging aperture of mixing drum is connected with air inlet, this air inlet is provided with arc deflector, and the direction of deflector is consistent with shaft direction of rotation.
3. a kind of vehicular sludge drying mechanism as claimed in claim 2, it is characterised in that described shaft is hollow cross axle, and this axle center is hollow circular-tube, and the outer circumference surface at pipe is uniformly distributed multiple connecting plate.
4. a kind of vehicular sludge drying mechanism as claimed in claim 3, it is characterized in that, described stirrer gear is U-shaped structure, has semi arch end and parallel free end, this semi arch end is fixed on the connecting plate of described shaft by arc pressuring plate, and the stirrer gear between each connecting plate is in shifting to install.
5. a kind of vehicular sludge drying mechanism as claimed in claim 2, it is characterised in that the discharge outlet of described mixing drum is provided with arc deflector, and the concave arc of this deflector is down.
6. a kind of vehicular sludge drying mechanism as claimed in claim 5, it is characterized in that, described cyclone dust extractor is cylindrical structural, this cyclone dust extractor axis direction becomes to be horizontally placed at hopper top, hopper rear lateral portion and circumference the tangent are provided with air inlet, this air inlet is provided with tangentially connected with cyclone dust extractor circumference and vertically arranged deflector, and there is semicircular arc plate at this cyclone dust extractor center close to air inlet side；This cyclone dust extractor is provided with the discharge port tangent with circumferencial direction away from air inlet side, and this discharge port and a small bins connect.
7. a kind of vehicular sludge drying mechanism as claimed in claim 6, it is characterised in that small bins and air inlet are joined directly together by the top of described small bins also by a little airduct.
8. a kind of vehicular sludge drying mechanism as claimed in claim 1, it is characterised in that the water inlet of described heat exchanger, outlet are connected with the outlet of engine in situ, water inlet respectively.
9. a kind of vehicular sludge drying mechanism as claimed in claim 1, it is characterised in that described exhaust duct is provided with water washing dedust device, and foraminate shower offered respectively by this water washing dedust device in both sides, and aperture direction is vertical with airflow direction.
10. a drying method for sludge, including:
Step 1, will be provided with mud cake produced by the dredging car of mud-water separation function and delivers into blender by a feeding screw, utilizes the stirrer gear of blender that mud cake cuts into mud granule of uniform size；
Step 2, after outside air is heated by heat exchanger, the hot-air being thermally generated temperature more than 150 degree is added again by burner, hot-air enters in blender through deflector, hot-air and wet mud granule air-flow, shaft effect under, rotation together, mixing, heat exchange, dried enter in hopper from the tangential direction on blender top, formed dry mud granule, larger particles dust and with the air of dust；
Step 3, the air with dust is made to enter cyclone dust extractor from hopper top, dry mud granule enters dirt collection bag by the discharger mouth of bottom under gravity, the dust of larger particles enters small bins by centrifugal sedimentation, by a little airduct, small bins and air inlet are joined directly together, make small bins produce the pressure reduction of a relative cyclone dust extractor, increase the dust removing effects of big dust particle；
Step 4, through blower fan discharge air then through the further dedusting of water washing dedust device on exhaust duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610214702.9A CN105776801B (en) | 2016-04-08 | 2016-04-08 | Vehicle-mounted sludge drying device and drying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610214702.9A CN105776801B (en) | 2016-04-08 | 2016-04-08 | Vehicle-mounted sludge drying device and drying method |
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| Publication Number | Publication Date |
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| CN105776801A true CN105776801A (en) | 2016-07-20 |
| CN105776801B CN105776801B (en) | 2019-12-13 |
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| CN201610214702.9A Active CN105776801B (en) | 2016-04-08 | 2016-04-08 | Vehicle-mounted sludge drying device and drying method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107759049A (en) * | 2017-11-24 | 2018-03-06 | 广州益方田园环保股份有限公司 | Vehicular industrial wastewater sludge minimizing equipment |
| CN108383351A (en) * | 2018-03-14 | 2018-08-10 | 合肥银创宏达机器人有限公司 | A kind of sludge drying device |
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| JP2014131784A (en) * | 2013-01-07 | 2014-07-17 | Swing Corp | Sludge dryer |
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| CN205575901U (en) * | 2016-04-08 | 2016-09-14 | 福建群峰机械有限公司 | Vehicular sludge drying device |
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2016
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| CN201292301Y (en) * | 2008-09-27 | 2009-08-19 | 无锡景华特种环保技术服务有限公司 | Treatment system for sewage sludge after sewage treatment |
| JP2014131784A (en) * | 2013-01-07 | 2014-07-17 | Swing Corp | Sludge dryer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107759049A (en) * | 2017-11-24 | 2018-03-06 | 广州益方田园环保股份有限公司 | Vehicular industrial wastewater sludge minimizing equipment |
| CN108383351A (en) * | 2018-03-14 | 2018-08-10 | 合肥银创宏达机器人有限公司 | A kind of sludge drying device |
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| CN105776801B (en) | 2019-12-13 |
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