CN110342774A - A kind of drying method for sludge - Google Patents

A kind of drying method for sludge Download PDF

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Publication number
CN110342774A
CN110342774A CN201910656010.3A CN201910656010A CN110342774A CN 110342774 A CN110342774 A CN 110342774A CN 201910656010 A CN201910656010 A CN 201910656010A CN 110342774 A CN110342774 A CN 110342774A
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CN
China
Prior art keywords
sludge
conveyer belt
sewage
drying
roller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201910656010.3A
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Chinese (zh)
Inventor
李颖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Xiaocheng Industrial Design Co Ltd
Original Assignee
Hangzhou Xiaocheng Industrial Design Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Xiaocheng Industrial Design Co Ltd filed Critical Hangzhou Xiaocheng Industrial Design Co Ltd
Priority to CN201910656010.3A priority Critical patent/CN110342774A/en
Publication of CN110342774A publication Critical patent/CN110342774A/en
Withdrawn legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/123Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/13Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/06Sludge reduction, e.g. by lysis

Abstract

The invention discloses a kind of drying method for sludge, specifically disclose a kind of sludge drier, including body, case to be processed, the conveyer belt of filtering, filter mechanism, sewage recovering mechanism, drying mechanism;It is squeezed by the conveyer belt of two filterings, sewage in filter sludge, the gas crossed simultaneously by injection heating, it is dehydrated sludge more quickly, obtain the lower sludge of water content, the sewage recycling with heat filtered out, while by the sludge more dried of drying, the configuration of the present invention is simple, heat utilization rate are high, desiccation effect is good, have a wide range of application and at low cost.

Description

A kind of drying method for sludge
Technical field
The present invention relates to a kind of drying method for sludge, more particularly, to a kind of sludge drier.
Background technique
The purpose of dry sludge is to obtain the product being suitable for use with from sludge material.It needs to remove from sludge Water.Advantageously mixing sludge and cementing hydraulicity component, then can more easily dry sludge.Sludge is also further dried, It is post-processed and is sorted using appropriate method.Final product and supply are stored for further using or processing.
Water removal is gone to need big energy and time, which increase the costs of Treatment of Sludge.In order to ensure with cost-effectiveness Treatment of Sludge, the efficiency of the process preferably must be held in sufficiently high level.
Summary of the invention
The present invention for overcome the deficiencies in the prior art, provides a kind of drying method for sludge, which solve the above problem and The shortcomings that eliminating known, and provide the method with reasonable highly effective drying sludge.
To achieve the goals above, the invention adopts the following technical scheme: a kind of drying method for sludge, including following step It is rapid:
A, feeding: dry sludge will be needed to be transported in the processing case of drying machine;
B, it tiles: will process in the tiling to the conveyer belt of drying machine filtering of the sludge in case again;
C, it filters: the sludge on conveyer belt being filtered using filter device, form filter cake;
D, sewage recycles: the sewage of filtering reuses thermal energy by sewage recovering mechanism;
E, it dries: filter cake being smashed using drying mechanism and is dried again, the secondary sewage gone in sludge obtains dry sludge;
Wherein, the drying machine includes body, case to be processed, the conveyer belt of filtering, filter mechanism, sewage recovering mechanism, dries Dry mechanism, the filter mechanism include first conveyer belt, the multiple first rotating shafts for conveying first conveyer belt, are set to the first conveying The second conveyer belt with top, fitting are set to the roller on the second conveyer belt, are bonded the arc plate being set on inner wall of rotary drum, conveying The second of the first actuator, driving the second shaft rotation that multiple second shafts, the driving first rotating shaft of second conveyer belt rotate Fixing seat, the air inlet pipe on roller of actuator, the third actuator of driving roller rotation, fixed third actuator, institute First conveyer belt and the second conveyer belt are stated as multiple filtration net composition, is provided with multiple ventholes on roller, the arc plate is fixed On body, the air inlet pipe on the roller connects air compressor machine and to gas-heating apparatus, and first conveyer belt is first to the dirt with water Mud filters out the water of a part, then is transported at roller, filters out a part by first conveyer belt and the extruding of the second conveyer belt Water, while the air inlet pipe on roller is passed through the hot gas with pressure, the sludge being clipped between first conveyer belt and the second conveyer belt It is dehydrated again, completes the filtering to sludge;The sludge of sewage is had in first conveyer belt, first conveyer belt is multiple filtration net group At the gravity for enabling part of contaminated water to pass through itself is blocked in sludge in first conveyer belt, first conveyer belt by filter screen Multiple first rotating shafts are equipped with, each first rotating shaft is equipped with the first actuator, and the first actuator drives in first conveyer belt First rotating shaft provides the power of first conveyer belt conveying sludge, and the second conveyer belt is equipped with multiple second shafts, in the second shaft Equipped with the second actuator, the second conveyer belt operation power is provided, is made more steady in first conveyer belt and the second conveyer belt operational process; Second conveyer belt passes through roller, while first conveyer belt passes through the second conveyer belt, is squeezed by first conveyer belt and the second conveyer belt Pressure removes most water, and roller is equipped with multiple ventholes, is full of hot gas by drums inside, inner wall of rotary drum is equipped with arc Plate, control hot gas flow direction, flows to hot gas at first conveyer belt and the second conveyer belt extruding, conveys first conveyer belt and second Band extrusion dehydration avoids sewage from entering in roller by the venthole on roller to outflow on the outside of roller, while is squeezing sludge Fast dewatering when pressure.
Sludge thickness deviation is in 5-10mm after tiling in the step b;Generate sludge will not in extrusion dehydration It is expressed to and influences whole dehydrating effect.
Sewage a part of filtering in the step d is in case to be processed, a part to have more for drying mechanism Sewage carries out purified treatment;Rationally using the heat in the sewage filtered out, energy consumption is saved.
Sewage recovering mechanism in the step d includes collecting board, the sewerage recovering box on body, is set to recycling bins Interior first partition and second partition, the pump in recycling bins, the first outlet pipe on pump, overflowing on recycling bins Flow tube, the overflow pipe other end are connected with thermally conductive case, are set to thermally conductive the second outlet pipe of case, and the collecting board inclination is fixed at body On, body is equipped with water outlet and be connected to the water inlet in recycling bins, and collection board ends are fixed on the machine body, in addition both ends and the The contact of one conveyer belt, collecting board are sent into the sewage guiding of filtering in recycling bins, and pump draws a part of sewage in recycling bins, the One outlet pipe flows into the sewage of absorption in case to be processed, completes to sludge the pre-heat treatment, another part sewage passes through overflow pipe It flows into thermally conductive case, provides thermal energy for drying mechanism, complete to wastewater ocean disposal;By inclined plate the sewage collection filtered out In in water outlet, and rapidly enter in recycling bins;First partition and second partition are equipped in recycling bins, the first partition is solid Surely it is located at recycling bins upper wall, second partition is fixed at recycling bins lower wall, first partition and second partition there are certain gap, So that sewage is passed through, so that the solid small particles in sewage is formed precipitating by first partition and second partition, pump is set to bottom surface, The solid particle for forming precipitating is pumped in case to be processed together with water, is dehydrated again together with sludge, institute Collecting box water inlet is stated higher than overflow pipe, overflow pipe is lower than second partition, and the sewage for making overflow go out is more limpid, facilitates subsequent Sewage treatment.
Drying mechanism in the step e includes fixed frame, the third conveyer belt on fixed frame, is set to third conveying Multiple third shafts for taking, the fourth drive member of driving third shaft rotation, on fixed frame blend axis, driving blends The 5th actuator, the multiple fans on fixed frame of axis rotation, the agitating shaft are equipped with multiple pillars and baffle, are formed The sludge of filter cake is fallen on third conveyer belt, and the driving of third actuator blends axis rotation, and filter cake is smashed and divided, thermally conductive case The sludge divided on third conveyer belt is dried, while sludge itself waste heat, makes remaining water rapid evaporation, then pass through Fan takes away the aqueous vapor being evaporated, the sludge more dried, and completes the drying to sludge;It is had by agitating shaft handle Heat is broken up in the sludge of filter cake shape, and is laid in the sludge broken up on third conveyer belt, and band is made to have surplus heat in sludge Water be easier volatilize, by thermally conductive case to third conveyer belt heat, make the sludge being laid on third conveyer belt reduce temperature The speed of decline increases the volatilization time, then by fan, the water vapour evaporated is taken away from sludge periphery, is obtained more Dry sludge.
The invention has the following advantages that being full of hot gas by drums inside, inner wall of rotary drum is equipped with arc panel, controls hot gas Flow direction, flows to hot gas at first conveyer belt and the second conveyer belt extruding, makes first conveyer belt and the second conveyer belt extrusion dehydration It is flowed out on the outside of to roller, sewage is avoided to enter in roller by the venthole on roller, while take off sludge quickly when squeezing Water efficiently dries sludge.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is left view structural representation of the invention.
Fig. 3 is positive structure diagram of the invention.
Fig. 4 is forward sight structural schematic diagram of the invention.
Fig. 5 is backsight structural representation of the invention.
Fig. 6 is schematic cross-sectional view one of the invention.
Fig. 7 is schematic cross-sectional view two of the invention.
Specific embodiment
A kind of drying method for sludge, comprising the following steps:
A, feeding: dry sludge will be needed to be transported in the processing case of drying machine;
B, it tiles: will process in the tiling to the conveyer belt of drying machine filtering of the sludge in case again;
C, it filters: the sludge on conveyer belt being filtered using filter device, form filter cake;
D, sewage recycles: the sewage of filtering reuses thermal energy by sewage recovering mechanism;
E, it dries: filter cake being smashed using drying mechanism and is dried again, the secondary sewage gone in sludge obtains dry sludge;
Drying machine includes body 1, case to be processed 2, the conveyer belt 3 of filtering, filter mechanism 4, sewage recovering mechanism 5, dryer Structure 6;First sludge is transported in generation processing case first, the case 2 to be processed is stirred including cabinet 34, set on the multiple of the bottom of box Mix slurry 35, the first scraper plate 36 on cabinet and the second scraper plate 37, multiple on the first scraper plate 36 and the second scraper plate 37 The sludge that 35 pairs fall is moved to the other end from one end by stirring, while to whereabouts sludge, avoiding sludge by trench digging column 38 It concentrates and falls, the first scraper plate and the second scraper plate pave the sludge fallen again, the first scraper plate 36 and the second scraper plate 37 It is set as arc, reduces shock of the sludge to the first scraper plate and the second scraper plate, column of ditching is to the sludge being laid in first conveyer belt It ditches, equidistant arrangement of ditching makes sewage a part in sludge by filtering at trench digging.
Further sludge is dehydrated by filter mechanism, the filter mechanism 5 includes first conveyer belt 7, conveying Multiple first rotating shafts 8 of first conveyer belt 7, the second conveyer belt 9 set on 7 top of first conveyer belt, fitting are set to the second conveying The arc plate 11 that is set on 10 inner wall of roller with the roller 10 on 9, fitting, multiple second shafts 12 for conveying the second conveyer belt 9, The first actuator 13, the second actuator 14 of driving the second shaft 12 rotation, 10 turns of roller of driving for driving first rotating shaft 8 to rotate Fixing seat 16, the air inlet pipe 17 on roller 10 of dynamic third actuator 15, fixed third actuator 15, described first is defeated It send band and the second conveyer belt for multiple filtration net composition, is provided with multiple ventholes on roller, the arc plate is fixed on body 1 On, the air inlet pipe 17 on the roller connects air compressor machine and to gas-heating apparatus, and the first 7 bands of conveying are first to the sludge mistake with water The water of a part is filtered out, then is transported at roller, filters out a part of water by first conveyer belt 7 and the extruding of the second conveyer belt 9, The air inlet pipe 17 on roller 10 is passed through the hot gas with pressure simultaneously, the sludge being clipped between first conveyer belt and the second conveyer belt It is dehydrated again, completes the filtering to sludge
Further to wastewater ocean disposal, the sewage recovering mechanism includes collecting board 18, the sewerage recovering box on body 1 19, the first partition 20 in recycling bins 19 and second partition 21, the pump 22 in recycling bins 19, the on pump 22 One outlet pipe 23, the overflow pipe 24 on recycling bins 19,24 other end of overflow pipe are connected with thermally conductive case 25, are set to thermally conductive case 25 Second outlet pipe 26, the collecting board 18 inclination are fixed on body 1, body 1 be equipped in water outlet and recycling bins into Mouth of a river connection, 18 both ends of collecting board are fixed on body 1, and in addition both ends are contacted with first conveyer belt 7, and collecting board 18 is filtering Sewage guiding is sent into recycling bins, and pump 22 draws a part of sewage in recycling bins, and the first outlet pipe flows into the sewage of absorption It in case 2 to be processed, completes to sludge the pre-heat treatment, another part sewage is flowed into thermally conductive case 25 by overflow pipe 24, for drying Mechanism 6 provides thermal energy, completes to wastewater ocean disposal.
Finally sludge is handled again by drying mechanism, the drying mechanism includes fixed frame 27, is set on fixed frame Third conveyer belt 28, multiple third shafts 29 on third conveyer belt 28, driving third shaft 29 rotate 4 wheel driven Moving part 30, blending axis 31, driving the 5th actuator 32 for blending axis 31 and rotating, on fixed frame on fixed frame 27 Multiple fans 33, the agitating shaft are equipped with multiple pillars and baffle, and the sludge for forming filter cake is fallen on third conveyer belt, the The driving of three actuators 30 blends the rotation of axis 31, and filter cake is smashed and divided, dirt of the thermally conductive case 25 to dividing on third conveyer belt Mud is dried, while sludge itself waste heat, makes remaining water rapid evaporation, then pass through 33, the fan aqueous vapor bands being evaporated It walks, the sludge more dried, completes the drying to sludge.First actuator, the second actuator, third driving in summary Part, fourth drive member, the 5th actuator and pump are to be commercially available in the market.

Claims (5)

1. a kind of drying method for sludge, it is characterised in that: the following steps are included:
A, feeding: dry sludge will be needed to be transported in the processing case of drying machine;
B, it tiles: will process in the tiling to the conveyer belt of drying machine filtering of the sludge in case again;
C, it filters: the sludge on conveyer belt being filtered using filter device, form filter cake;
D, sewage recycles: the sewage of filtering reuses thermal energy by sewage recovering mechanism;
E, it dries: filter cake being smashed using drying mechanism and is dried again, the secondary sewage gone in sludge obtains dry sludge;
Wherein, the drying machine includes body (1), case to be processed (2), the conveyer belt (3) of filtering, filter mechanism (4), sewage Recovering mechanism (5), drying mechanism (6), the filter mechanism (5) include first conveyer belt (7), conveying first conveyer belt (7) Multiple first rotating shafts (8), be set to first conveyer belt (7) top the second conveyer belt (9), fitting be set to the second conveyer belt (9) On roller (10), fitting be set on roller (10) inner wall arc plate (11), convey multiple second turns of the second conveyer belt (9) The second actuator that axis (12), the first actuator (13) of driving first rotating shaft (8) rotation, driving the second shaft (12) rotate (14), the fixing seat (16) of driving roller (10) rotates third actuator (15), fixed third actuator (15) is set to roller (10) air inlet pipe (17) on, the first conveyer belt and the second conveyer belt are multiple filtration net composition, are provided on roller multiple Venthole, the arc plate are fixed on body (1), and the air inlet pipe (17) on the roller connects air compressor machine and heats to gas Device, first conveying (7) band first goes out the water of a part to the sludge filtration with water, then is transported at roller, by the first conveying Band (7) and the second conveyer belt (9) extruding filter out a part of water, while the air inlet pipe (17) on roller (10) is passed through with pressure Hot gas is again dehydrated the sludge being clipped between first conveyer belt and the second conveyer belt, completes the filtering to sludge.
2. a kind of drying method for sludge described in accordance with the claim 1, it is characterised in that: after the tiling in the step b Sludge thickness deviation is in 5-10mm.
3. a kind of drying method for sludge described in accordance with the claim 1, it is characterised in that: filtering in the step d Sewage a part is in case to be processed, for a part for drying mechanism, the sewage having more to carry out purified treatment.
4. a kind of drying method for sludge described in accordance with the claim 1, it is characterised in that: the sewage in the step d returns Receiving mechanism includes collecting board (18), the sewerage recovering box (19) being set on body (1), the first partition being set in recycling bins (19) (20) and second partition (21), be set to recycling bins (19) in pump (22), be set to pump (22) on the first outlet pipe (23), be set to Overflow pipe (24), overflow pipe (24) other end on recycling bins (19) are connected with thermally conductive case (25), are set to thermally conductive case (25) second Outlet pipe (26), collecting board (18) inclination are fixed on body (1), and body (1) is equipped in water outlet and recycling bins Water inlet connection, collecting board (18) both ends are fixed on body (1), and in addition both ends are contacted with first conveyer belt (7), collecting board (18) the sewage guiding of filtering is sent into recycling bins, pump (22) draws a part of sewage in recycling bins, the first outlet pipe handle The sewage of absorption flows into case (2) to be processed, completes to sludge the pre-heat treatment, another part sewage is flowed by overflow pipe (24) In thermally conductive case (25), thermal energy is provided for drying mechanism (6), is completed to wastewater ocean disposal.
5. a kind of drying method for sludge described in accordance with the claim 1, it is characterised in that: the dryer in the step e Structure includes fixed frame (27), the third conveyer belt (28) on fixed frame, the multiple thirds being set on third conveyer belt (28) Shaft (29), is set to blending axis (31), driving on fixed frame (27) at the fourth drive member (30) of driving third shaft (29) rotation Dynamic the 5th actuator (32) for blending axis (31) rotation, multiple fans (33) on fixed frame, the agitating shaft are equipped with Multiple pillars and baffle, the sludge for forming filter cake are fallen on third conveyer belt, and third actuator (30) driving blends axis (31) Rotation, smashes filter cake and divide, and thermally conductive case (25) dries the sludge divided on third conveyer belt, while sludge is certainly Body waste heat makes remaining water rapid evaporation, then the aqueous vapor being evaporated is taken away by fan (33), the dirt more dried Mud completes the drying to sludge.
CN201910656010.3A 2019-07-19 2019-07-19 A kind of drying method for sludge Withdrawn CN110342774A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910656010.3A CN110342774A (en) 2019-07-19 2019-07-19 A kind of drying method for sludge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910656010.3A CN110342774A (en) 2019-07-19 2019-07-19 A kind of drying method for sludge

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CN201910656010.3A Withdrawn CN110342774A (en) 2019-07-19 2019-07-19 A kind of drying method for sludge

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111632429A (en) * 2020-05-29 2020-09-08 江苏苏美达成套设备工程有限公司 Integrated sludge composite conditioning deep dehydration drying treatment system and method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111632429A (en) * 2020-05-29 2020-09-08 江苏苏美达成套设备工程有限公司 Integrated sludge composite conditioning deep dehydration drying treatment system and method thereof

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Application publication date: 20191018

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