CN107188390A - A kind of intelligent drying method for sludge - Google Patents
A kind of intelligent drying method for sludge Download PDFInfo
- Publication number
- CN107188390A CN107188390A CN201710413804.8A CN201710413804A CN107188390A CN 107188390 A CN107188390 A CN 107188390A CN 201710413804 A CN201710413804 A CN 201710413804A CN 107188390 A CN107188390 A CN 107188390A
- Authority
- CN
- China
- Prior art keywords
- sludge
- drying
- distribution box
- machine
- drying method
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- 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
- C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
- F27D2017/007—Systems for reclaiming waste heat including regenerators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of intelligent drying method for sludge, comprise the following steps：(a) pretreatment reaction；(b) dry and wet sludge is mixed；(c) preheating device；(d) dehydrate；(e) vent gas treatment.The present invention is simple to operate, and drying efficiency is high, and drying time is short, reduces drying cost, drying effect is good, can continuous drying a large amount of sludge, effectively reduce moisture percentage in sewage sludge.
Description
Technical field
The invention belongs to sludge treatment field, more particularly to a kind of intelligent drying method for sludge.
Background technology
Sludge is one of principal by product after sewage disposal, account for sewage load 0.3%-0.5% (volume) or
1%-2% (quality), with the development and the continuous construction of various regions sewage treatment plant of industrial and agricultural production, the industry and life of China
Sewage load increases sharply, and certainly will will produce more sludge.The composition of sludge is extremely complex, except containing substantial amounts of water
Exceptionally, also containing substantial amounts of organic matter, the organic matter of difficult degradation, various trace elements, pathogenic microorganism, parasitic ovum and a huge sum of money
The compositions such as category.Secondary pollution, and the difficulty of governance again of this pollution can be caused to environment by arbitrarily being discharged if untreated
It is sizable.
The method of processing sludge is mainly in the prior art：1st, landfill；2nd, sludge aerobic fermentation+it is agricultural；3rd, sludge
Natural desiccation；4th, burn；5th, air storage and outward transport；6th, settling tank is precipitated.In fact, landfill, air storage and outward transport
The sludge overwhelming majority belong to random disposal, really realize safe disposal ratio be no more than 20%.Sludge incineration is calculated preferable
Processing method, but the three wastes produced by the process burned are not handled well not only, on the contrary continuing yet again with secondary pollution is produced
Also need to supplement the new pollution sources such as the dust produced in external fuel, burning process, dioxin, air and environment will be caused
New pollution.Sludge settling is carried out using settling tank, this method small investment, technical feasibility is high, but because sludge-tank takes up an area
Area is big, and cost is high, and outdoor must open wide, and the stink in sludge can severe contamination air.
The content of the invention
Present invention aims at above-mentioned technical problem present in prior art is solved, there is provided a kind of intelligent drying sludge
Method, simple to operate, drying efficiency is high, and drying time is short, reduces drying cost, drying effect is good, can be continuous drying a large amount of
Sludge, effectively reduces moisture percentage in sewage sludge.
In order to solve the above-mentioned technical problem, the present invention is adopted the following technical scheme that：
A kind of intelligent drying method for sludge, it is characterised in that comprise the following steps：
(a) pretreatment reaction：Water and flocculant are added into reaction tank, mechanical agitator is opened, it is molten that stirring forms mixing
Sludge, is driven into reaction tank by liquid with sludge pump, is continued to stir, sludge and flocculant solution is sufficiently mixed uniformly, then
Stand 1~2h；
(b) dry and wet sludge is mixed：Reacted solution is filtered, wet mud is isolated, proportionally by dewatered sludge
Agitator tank is added to wet mud to be stirred, being transferred to drying system after being well mixed is dehydrated；
(c) preheating device：Each installation's power source is opened, while opening the control of the first heat distribution pipeline and the second heat distribution pipeline
Valve, distribution box and drying machine are delivered to by the thermal source collected in storage heater respectively by the first heat distribution pipeline and the second heat distribution pipeline
Baking oven in, and open heated fan, preheated；
(d) dehydrate：Mixed sludge is poured into from feed hopper in batches, charging, which is finished, just seals feed hopper, sludge
Distribution box is fallen into by the effect of rolling of pretreatment unit, in distribution box, cylinder drives L-type push pedal to move forward and backward back and forth,
Sludge is pushed under the thrust of L-type push pedal to the discharging opening of distribution box, then through being fallen under feed pipe in shredding machine,
In shredding machine, chopping motor drives drive axis, and cutter ring obtains rotary-cut power, shredded sludge by blade, after chopping
Sludge dropped down onto under bakie on sieve plate, after sieve aperture in noodles shape extrude, under fall on the conveyer belt in drying machine, two
Individual conveyer belt move toward one another, sludge is fed forward, in course of conveying, and motor drives axis of rotation, and rotating shaft drives convex
Wheel does eccentric motion, and cam cycle ground vibratory conveyors, sludge falls in end, and rewinding bucket is uniformly drained into through discharge nozzle
In, collected by rewinding bucket；
(e) vent gas treatment：Air blower is opened, and opens the control valve of blast pipe, the tail gas that drying machine is produced is incorporated into
Absorption processing is carried out in deduster, then is emptied.
Further, the ratio of step (b) dewatered sludge and wet mud is 1：6~1：8, it regard dewatered sludge as carrier, one side
The initial aqueous rate of drying sludge is reduced, the gluing stage that sludge occurs in the drying process is avoided, is effectively controlled
The wall adhering quantity of sludge, on the other hand makes sludge further granulate during mixing, adds the specific surface area of sludge, enters
And the effect of sludge heat and mass is improved, dry efficiency can also be improved therewith.
Further, step (b) adds solid sodium hydroxide, stirring, standing into reacted solution, then is filtered,
Add the microvesicle amplification capability that solid sodium hydroxide improves sludge, the sludge unit area evaporation capacity after being handled through microvesicle amplification
Height, beneficial to rate of drying is accelerated, so that drying time is greatly shortened, improves drying efficiency.
Further, the preheating temperature that baking oven is controlled in step (c) is 60~70 DEG C, improves the air themperature in baking oven, with
Just effect is directly dried to the sludge of feeding, shortens drying time.
Further, the thermal source that storage heater is collected in step (c) includes power plant, the waste heat or solar energy of other productions, profit
With discarded waste heat as heating energy source, the utilization rate of the energy is improved, is turned waste into wealth, solar energy resources enriches, and procurement cost is low,
Environmental protection, heating effect is good.
Further, drying system includes drying machine, shredding machine, distribution box and pretreatment unit in step (b), and shredding machine is set
In on drying machine, shredding machine is connected with drying machine, and the bottom symmetrical of distribution box is distributed with feed pipe, feed pipe connection shredding machine with
Distribution box, the outside of distribution box, which is provided with cylinder, cylinder, is connected with L-type push pedal, and L-type push pedal is located in distribution box, L-type push pedal with
The inner bottom surface contact of distribution box, pretreatment unit is on distribution box, and pretreatment unit is connected with distribution box, on pretreatment unit
Provided with feed hopper, the bottom of drying machine is provided with discharge nozzle, and the bottom of discharge nozzle is provided with rewinding bucket, and rewinding bucket is provided with observation window,
The bottom of rewinding bucket is connected with baffle plate；The drying system is by the way of rolling pretreatment, sub-material shearing, reheating drying to dirt
Mud is dehydrated, and finally unifies to collect, drying efficiency is high, effectively shortens drying time, drying effect is good, can be continuous drying
A large amount of sludge, dried sludge can be used as organic fertilizer and fuel, improve the utilization rate of sludge, turn waste into wealth.
Further, drying machine includes baking oven, conveyer belt and heated fan, and conveyer belt is located in baking oven with heated fan,
Conveyer belt is provided with vibrating mechanism, and vibrating mechanism includes motor, rotating shaft and cam, and motor connection rotating shaft, cam is set
In on the eccentric position of rotating shaft, discharge nozzle penetrates baking oven, and discharge nozzle is located between conveyer belt, and motor drives axis of rotation,
Rotating shaft band moving cam does eccentric motion, cam cycle ground vibratory conveyors so that the sludge conveyed on conveyer belt shaken it is broken simultaneously
Throw, dried by plane and be converted into three-dimensional drying, the heat exchange area of sludge and hot-air in baking oven is improved, so as to improve drying
Efficiency, shortens drying time.
Further, shredding machine includes housing, shredder mechanism and sieve plate, and sieve plate is located at the bottom of housing, and shredder mechanism includes
Motor, power transmission shaft and cutter ring are shredded, shreds in motor connection power transmission shaft, power transmission shaft connection cutter ring, cutter ring and is evenly distributed with tool rest,
Bakie is formed between adjacent tool rest, the both sides of tool rest are equipped with blade, and chopping motor drives drive axis, rotary shaft band moving knife
Circle rotate, blade obtain rotary-cut power, to enter housing in sludge carry out shear action, by the hair contained in sludge, fiber,
Solids etc. is shredded, and prevents these impurity from blocking sieve plate, and has broken up sludge, increases the surface area of sludge, more conducively drying.
Further, pretreatment unit includes casing, pressure roller and power motor, and pressure roller is in casing, and power motor is located at
The outside of casing, power motor band dynamic pressure roller is rotated, and adjacent pressure roller is rotated in opposite directions, and feed hopper is located at the top of casing, opposite to turn
Dynamic pressure roller carries out the effect of rolling to the sludge entered therebetween, the water vapour adulterated in sludge is extruded, so as to reduce containing for sludge
Water rate, shortens drying time.
The present invention is by adopting the above-described technical solution, have the advantages that：
The present invention first passes through flocculation reaction and removes the impurity remained in sludge, dirt, reduces the retentiveness of sludge, from
And promote mud-water separation, intensity is improved, then pretreated sludge is transferred to drying system and is dried；The first preprocessed dress of sludge
The water vapour adulterated in the effect of rolling put, sludge is forced out, so as to reduce the moisture content of sludge, distribution box is later fallen into, in L
Under the thrust of type push pedal, sludge is pushed to the discharging opening of distribution box both sides in batches, during push, in distribution box
Hot-air is circulated, and is constantly contacted with sludge, and sludge is gradually dried, and surface produces cracking, and moisture constantly evaporates, sludge
The central temperature of grain constantly rises, and the cracking of mud granule is increasing, more, then through being fallen under feed pipe in shredding machine,
Sludge is shredded by the blade of high speed rotation, the hair contained in sludge, fiber, solids etc. are shredded, this is prevented
A little impurity block sieve plate, and have broken up sludge, increase the surface area of sludge, more conducively drying, sludge by being in after sieve aperture
Noodles shape is extruded, evenly laid out to be on a moving belt fed forward sludge, in course of conveying, vibrates biography cam cycle
Send band so that the sludge on conveyer belt is constantly shaken broken and thrown, dried by plane and be converted into three-dimensional drying, improve sludge with drying
The heat exchange area of hot-air in case, so as to improve drying efficiency, shortens drying time, effectively the moisture content of reduction sludge, dirty
Mud falls in the end of conveyer belt, is uniformly drained into through discharge nozzle in rewinding bucket, is collected by rewinding bucket, can by observation window
The directly perceived sludge accumulating amount that can be clearly seen in rewinding bucket, turn on baffle plate can discharging, shift dried sludge, it is dried
Sludge can be used as organic fertilizer and fuel, improves the utilization rate of sludge, turns waste into wealth.Simple to operate, drying efficiency of the invention
Height, drying time is short, reduces drying cost, and drying effect is good, can continuous drying a large amount of sludge, effectively reduction sludge it is aqueous
Rate.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of drying system in the present invention；
Fig. 2 is the structural representation of shredder mechanism in the present invention；
Fig. 3 is conveyer belt in the present invention and the structural representation of vibrating mechanism connection；
Fig. 4 is the structural representation of pretreatment unit in the present invention；
Fig. 5 is discharge nozzle in the present invention and the structural representation of rewinding bucket connection.
In figure：1- distribution boxes；2- casings；3- pressure rollers；4- power motors；5- feed hoppers；6- cylinders；7-L type push pedals；8- is sent
Expects pipe；9- housings；10- shredder mechanisms；11- sieve plates；12- shreds motor；13- power transmission shafts；14- cutter rings；15- tool rests；16- leaks
Groove；17- blades；18- baking ovens；19- conveyer belts；20- heated fans；22- motors；23- rotating shafts；24- cams；25- discharges
Pipe；26- rewindings bucket；27- observation windows；28- baffle plates；The heat distribution pipelines of 29- first；The heat distribution pipelines of 30- second；31- storage heaters；32-
Air blower；33- blast pipes；34- dedusters.
Embodiment
As shown in Figures 1 to 5, it is a kind of intelligent drying method for sludge of the present invention, comprises the following steps：
(a) pretreatment reaction：Water and flocculant are added into reaction tank, mechanical agitator is opened, it is molten that stirring forms mixing
Sludge, is driven into reaction tank by liquid with sludge pump, is continued to stir, sludge and flocculant solution is sufficiently mixed uniformly, then
1~2h is stood, then is filtered.Fast gelation reaction occurs in the presence of flocculant for the organic molecule in sludge, is formed
Floccule body, disperse degree reduction, reduces the retentiveness of sludge, promotes mud-water separation, so that intensity is improved, to Heavy Metals in Sludge
Stable constraint effect is played, the secondary pollution after use can be effectively controlled, organic matter is not easily runed off, so as to improve later stage sludge work
For the content of organic matter of fertilizer, accomplish to handle to the innoxious of sludge, minimizing, using change；And remained in sludge impurity, dirt
Thing etc. can not react with flocculant, easily be filtered.
(b) dry and wet sludge is mixed：Solid sodium hydroxide, stirring, standing are added into reacted solution, then was carried out
Filter, adds the microvesicle amplification capability that solid sodium hydroxide improves sludge, and the sludge unit area after being handled through microvesicle amplification is steamed
Hair amount is high, beneficial to rate of drying is accelerated, so that drying time is greatly shortened, improves drying efficiency.Wet dirt is isolated after filtering
Mud, according to 1：6~1：Dewatered sludge and wet mud are added to agitator tank and are stirred by 8 ratio, are transferred to after being well mixed dry
Drying system is dehydrated.Often occur that sludge glues the phenomenon of wall during sludge heated drying, when moisture content is 60%
During left and right, sludge sticks wall amount maximum, reduces heat transfer efficiency, hinders the evaporation of moisture in sludge, sludge, which glues wall, can also influence sludge
The service life of drying equipment is damaged to it, using dewatered sludge as carrier, on the one hand reduces the initial of drying sludge
Moisture content, avoids the gluing stage that sludge occurs in the drying process, is effectively controlled the wall adhering quantity of sludge, on the other hand
Sludge is further granulated during mixing, add the specific surface area of sludge, and then improve sludge heat and mass
Effect, dry efficiency can also improve therewith.
Drying system includes drying machine, shredding machine, distribution box 1 and pretreatment unit, and pretreatment unit is located at distribution box 1
On, pretreatment unit is connected with distribution box 1, pretreatment unit include casing 2, pressure roller 3 and power motor 4, casing 2 be provided with into
Hopper 5, pressure roller 3 is in casing 2, and power motor 4 is located at the outside of casing 2, and power motor 4 is rotated with dynamic pressure roller 3, adjacent pressure
Roller 3 is rotated in opposite directions, and feed hopper 5 is located at the top of casing 2, and the sludge of 3 pairs of entrance of the pressure roller rotated in opposite directions therebetween carries out rolling work
With, the water vapour adulterated in sludge is extruded, so that the moisture content of sludge is reduced, shortening drying time.The outside of distribution box 1 is provided with
L-type push pedal 7 is connected with cylinder 6, cylinder 6, L-type push pedal 7 is located in distribution box 1, and L-type push pedal 7 and the inner bottom surface of distribution box 1 connect
Touch, cylinder 6 drives L-type push pedal 7 to move back and forth.Feed pipe 8, the connection shredding machine of feed pipe 8 is distributed with the bottom symmetrical of distribution box 1
With distribution box 1, shredding machine is on drying machine, and shredding machine is connected with drying machine, and shredding machine includes housing 9, the and of shredder mechanism 10
Sieve plate 11, sieve plate 11 is located at the bottom of housing 9, and shredder mechanism 10 includes chopping motor 12, power transmission shaft 13 and cutter ring 14, chopping electricity
Machine 12 connects in power transmission shaft 13, the connection cutter ring 14 of power transmission shaft 13, cutter ring 14 and is evenly distributed with shape between tool rest 15, adjacent tool rest 15
Into bakie 16, the both sides of tool rest 15 are equipped with blade 17, and chopping motor 12 drives power transmission shaft 13 to rotate, and rotary shaft drives cutter ring 14
Rotate, blade 17 obtains rotary-cut power, shear action is carried out to the sludge entered in housing 9, by the hair contained in sludge, fibre
Dimension, solids etc. are shredded, and prevent these impurity from blocking sieve plate 11, and have broken up sludge, increase the surface area of sludge, are more conducive to
Dry.Drying machine includes baking oven 18, conveyer belt 19 and heated fan 20, and conveyer belt 19 is located at baking oven 18 with heated fan 20
Interior, conveyer belt 19 is provided with vibrating mechanism, and vibrating mechanism includes motor 22, rotating shaft 23 and cam 24, and motor 22 connects
Switch through axle 23, cam 24 is on the eccentric position of rotating shaft 23, and the bottom of baking oven 18 is provided with discharge nozzle 25, and discharge nozzle 25 penetrates baking
Case 18, discharge nozzle 25 is located between two conveyer belts 19, and the bottom of discharge nozzle 25 is provided with rewinding bucket 26, and rewinding bucket 26, which is provided with, to be seen
Window 27 is examined, observation window 27 can facilitate staff that building up inside amount intuitively can be clearly seen, to control feeding quantity.Rewinding bucket 26
Bottom be connected with baffle plate 28, by baffle plate 28 support fall into rewinding bucket 26 in sludge, turning on can discharging.
(c) preheating device：Each installation's power source is opened, while opening the control of the first heat distribution pipeline 29 and the second heat distribution pipeline 30
Valve processed, distribution box is delivered to by the thermal source collected in storage heater 31 respectively by the first heat distribution pipeline 29 and the second heat distribution pipeline 30
1 with the baking oven 18 of drying machine, the thermal source of collection includes power plant, waste heats or solar energy of other productions, utilizes discarded waste heat
As heating energy source, the utilization rate of the energy is improved, is turned waste into wealth, solar energy resources enriches, and procurement cost is low, environmental protection, heating
Effect is good.And heated fan 20 is opened, preheated, the preheating temperature for controlling baking oven 18 is 60~70 DEG C, is improved in baking oven 18
Air themperature, so that the sludge to feeding is directly dried effect, shorten drying time.
(d) dehydrate：Mixed sludge is poured into from feed hopper 5 in batches, charging, which is finished, just seals feed hopper 5,
In pretreatment unit, the sludge of 3 pairs of entrance of the pressure roller rotated in opposite directions therebetween carries out the effect of rolling, and extrudes the water adulterated in sludge and steams
Vapour, so as to reduce the moisture content of sludge, shortens drying time, sludge falls into distribution box 1 after being rolled.In distribution box 1, cylinder
6 drive L-type push pedals 7 move forward and backward back and forth, and under the thrust of L-type push pedal 7, sludge is by batches to the both sides of distribution box 1
Discharging opening is pushed, and is reduced drying pressure, is improved drying effect.Because distribution box 1 has been warmed up, during push, point
Hot-air in hopper 1 is circulated, and is constantly contacted with sludge, and sludge is gradually dried, then through falling on chopping under feed pipe 8
In machine, in shredding machine, chopping motor 12 drives power transmission shaft 13 to rotate, and cutter ring 14 obtains rotary-cut power, by blade 17 by sludge
Shredded, the hair contained in sludge, fiber, solids etc. are shredded, prevent these impurity from blocking sieve plate 11, and break up
Sludge, increases the surface area of sludge, more conducively drying.Sludge after chopping is dropped down onto under bakie 16 on sieve plate 11, through sieving
Extrude, fall into baking oven 18 in noodles shape after hole, it is evenly laid out on conveyer belt 19 so that there is good gas between sludge
Close property, is easy to running through for thermal current, improve hot-air drying efficiency, it is to avoid occur dry it is insufficient with excessively drying show
As.Motor 22 drives rotating shaft 23 to rotate, and rotating shaft 23 does eccentric motion with moving cam 24, and cam 24 periodically vibrates transmission
Band 19, in course of conveying, the sludge on conveyer belt 19 is constantly shaken broken and thrown, and is dried by plane and is converted into three-dimensional drying,
The heat exchange area of sludge and hot-air in baking oven 18 is improved, so as to improve drying efficiency, shortens drying time.Sludge is in end
Fall, the shape of mud granule now is basically formed, volume does not continue to shrink yet, without plasticity, and fragility is big, slightly
External force surface will fragmentation, be uniformly drained into rewinding bucket 26 through discharge nozzle 25,26 collected by rewinding bucket, pass through observation window
27 can intuitively can be clearly seen the sludge accumulating amount in rewinding bucket 26, and turning on baffle plate 28 can discharging, the dried sludge of transfer.
The drying system is dehydrated by the way of rolling pretreatment, sub-material shearing, reheating drying to sludge, is finally unified
Collect, drying efficiency is high, effectively shortens drying time, drying effect is good, can continuous drying a large amount of sludge, dried sludge can
As organic fertilizer and fuel, the utilization rate of sludge is improved, is turned waste into wealth.
(e) vent gas treatment：Air blower 32 is opened, and opens the control valve of blast pipe 33, the tail gas that drying machine is produced is drawn
Enter into deduster 34 and carry out absorption processing, then empty, reduce the pollution of tail gas air to external world.Discharged and dried by air blower 32
Humid air in case 18, while the extraneous unsaturated dry air of inspiration, reduces the psychrometric difference of sludge and air in baking oven 18,
Avoid the occurrence of sludge and return wet phenomenon, so as to accelerate rate of drying, reduce drying time.
The present invention first passes through flocculation reaction and removes the impurity remained in sludge, dirt, reduces the retentiveness of sludge, from
And promote mud-water separation, intensity is improved, then pretreated sludge is transferred to drying system and is dried；The first preprocessed dress of sludge
The water vapour adulterated in the effect of rolling put, sludge is forced out, so as to reduce the moisture content of sludge, later falls into distribution box 1,
Under the thrust of L-type push pedal 7, sludge is pushed to the discharging opening of the both sides of distribution box 1 in batches, during push, distribution box 1
Interior hot-air is circulated, and is constantly contacted with sludge, and sludge is gradually dried, and surface produces cracking, and moisture constantly evaporates, dirty
The central temperature of mud particle constantly rises, and the cracking of mud granule is increasing, more, then through falling on chopping under feed pipe 8
In machine, sludge is shredded by the blade 17 of high speed rotation, the hair contained in sludge, fiber, solids etc. are shredded,
Prevent these impurity from blocking sieve plate 11, and broken up sludge, increase the surface area of sludge, more conducively drying, sludge is through sieving
Extruded after hole in noodles shape, it is evenly laid out to be fed forward sludge on conveyer belt 19, in course of conveying, cam 24 weeks
Phase property ground vibratory conveyors 19 so that the sludge on conveyer belt 19 is constantly shaken broken and thrown, are dried by plane and are converted into solid
Dry, improve the heat exchange area of sludge and hot-air in baking oven 18, so as to improve drying efficiency, shorten drying time, effectively
The moisture content of sludge is reduced, sludge falls in the end of conveyer belt 19, be uniformly drained into rewinding bucket 26 through discharge nozzle 25, by receiving
Charging basket 26 is collected, and the sludge accumulating amount in rewinding bucket 26 can intuitively can be clearly seen by observation window 27, baffle plate 28 is turned on
Can discharging, shift dried sludge, dried sludge can be used as organic fertilizer and fuel, improve the utilization of sludge
Rate, turns waste into wealth.The present invention is simple to operate, and drying efficiency is high, and drying time is short, reduces drying cost, drying effect is good, can
Continuous drying a large amount of sludge, effectively reduce moisture percentage in sewage sludge.
The specific embodiment of the present invention is these are only, but the technical characteristic of the present invention is not limited thereto.It is any with this hair
Based on bright, to solve essentially identical technical problem, essentially identical technique effect is realized, made simple change, etc.
With replacement or modification etc., all it is covered by among protection scope of the present invention.
Claims (9)
1. a kind of intelligent drying method for sludge, it is characterised in that comprise the following steps：
(a) pretreatment reaction：Water and flocculant are added into reaction tank, mechanical agitator is opened, stirring forms mixed solution, uses
Sludge is driven into reaction tank by sludge pump, is continued to stir, sludge and flocculant solution is sufficiently mixed uniformly, then stand 1
~2h；
(b) dry and wet sludge is mixed：Reacted solution is filtered, wet mud is isolated, proportionally by dewatered sludge with it is wet
Sludge is added to agitator tank and is stirred, and being transferred to drying system after being well mixed is dehydrated；
(c) preheating device：Each installation's power source is opened, while the control valve of the first heat distribution pipeline and the second heat distribution pipeline is opened, will
The thermal source collected in storage heater is delivered to the baking of distribution box and drying machine by the first heat distribution pipeline and the second heat distribution pipeline respectively
In case, and heated fan is opened, preheated；
(d) dehydrate：Mixed sludge is poured into from feed hopper in batches, charging, which is finished, just seals feed hopper, and sludge passes through
The effect of rolling of pretreatment unit falls into distribution box, in distribution box, and cylinder drives L-type push pedal to move forward and backward back and forth, sludge
Under the thrust of L-type push pedal, pushed to the discharging opening of distribution box, then through being fallen under feed pipe in shredding machine, in chopping
In machine, chopping motor drives drive axis, and cutter ring obtains rotary-cut power, shredded sludge by blade, the dirt after chopping
Mud is dropped down onto on sieve plate under bakie, is extruded after sieve aperture in noodles shape, on the conveyer belt in even drop down to drying machine, and two
Individual conveyer belt move toward one another, sludge is fed forward, in course of conveying, and motor drives axis of rotation, and rotating shaft drives convex
Wheel does eccentric motion, and cam cycle ground vibratory conveyors, sludge falls in end, and rewinding bucket is uniformly drained into through discharge nozzle
In, collected by rewinding bucket；
(e) vent gas treatment：Air blower is opened, and opens the control valve of blast pipe, the tail gas that drying machine is produced is incorporated into dedusting
Absorption processing is carried out in device, then is emptied.
2. a kind of intelligent drying method for sludge according to claim 1, it is characterised in that：In step (b) dewatered sludge with
The ratio of wet mud is 1：6~1：8.
3. a kind of intelligent drying method for sludge according to claim 1, it is characterised in that：Step (b) is to reacted
Solid sodium hydroxide, stirring, standing are added in solution, then is filtered.
4. a kind of intelligent drying method for sludge according to claim 1, it is characterised in that：Control baking oven in step (c)
Preheating temperature be 60~70 DEG C.
5. a kind of intelligent drying method for sludge according to claim 1, it is characterised in that：Storage heater is received in step (c)
The thermal source of collection includes power plant, the waste heat or solar energy of other productions.
6. a kind of intelligent drying method for sludge according to claim 1, it is characterised in that：Drying system in step (b)
Including drying machine, shredding machine, distribution box and pretreatment unit, the shredding machine on the drying machine, the shredding machine with
Feed pipe is distributed with the drying machine connection, the bottom symmetrical of the distribution box, and the feed pipe connects the shredding machine and institute
Distribution box is stated, the outside of the distribution box, which is provided with cylinder, the cylinder, is connected with L-type push pedal, and the L-type push pedal is located at described
In distribution box, the L-type push pedal is contacted with the inner bottom surface of the distribution box, and the pretreatment unit is located on the distribution box,
The pretreatment unit is connected with the distribution box, and the pretreatment unit is provided with feed hopper, and the bottom of the drying machine is set
There is discharge nozzle, the bottom of the discharge nozzle is provided with rewinding bucket, and the rewinding bucket is provided with observation window, and the bottom of the rewinding bucket connects
It is connected to baffle plate.
7. a kind of intelligent drying method for sludge according to claim 6, it is characterised in that：The drying machine includes drying
Case, conveyer belt and heated fan, the conveyer belt is with the heated fan in the baking oven, and the conveyer belt is provided with
Vibrating mechanism, the vibrating mechanism includes motor, rotating shaft and cam, and the motor connects the rotating shaft, described convex
Wheel is on the eccentric position of the rotating shaft, and the discharge nozzle penetrates the baking oven, the discharge nozzle be located at the conveyer belt it
Between.
8. a kind of intelligent drying method for sludge according to claim 6, it is characterised in that：The shredding machine includes shell
Body, shredder mechanism and sieve plate, the sieve plate are located at the bottom of the housing, and the shredder mechanism includes chopping motor, power transmission shaft
And cutter ring, power transmission shaft described in the chopping motor connection, the power transmission shaft is connected to be evenly distributed with the cutter ring, the cutter ring
Bakie is formed between tool rest, the adjacent tool rest, the both sides of the tool rest are equipped with blade.
9. a kind of intelligent drying method for sludge according to claim 6, it is characterised in that：It is characterized in that：It is described pre-
Processing unit includes casing, pressure roller and power motor, and the pressure roller is in the casing, and the power motor is located at the case
The outside of body, the power motor drives the pressure roller to rotate, and the adjacent pressure roller is rotated in opposite directions, and the feed hopper is located at described
The top of casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710413804.8A CN107188390A (en) | 2017-06-05 | 2017-06-05 | A kind of intelligent drying method for sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710413804.8A CN107188390A (en) | 2017-06-05 | 2017-06-05 | A kind of intelligent drying method for sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107188390A true CN107188390A (en) | 2017-09-22 |
Family
ID=59877286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710413804.8A Pending CN107188390A (en) | 2017-06-05 | 2017-06-05 | A kind of intelligent drying method for sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107188390A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108002680A (en) * | 2017-12-05 | 2018-05-08 | 东莞市天合机电开发有限公司 | A kind of mud drying device of squash type |
| CN108218185A (en) * | 2017-12-28 | 2018-06-29 | 山东九择环保设备有限公司 | Oiliness sludge treater |
| CN108409096A (en) * | 2018-04-17 | 2018-08-17 | 安徽睿知信信息科技有限公司 | A kind of modified sewage disposal sludge drying device |
| CN109942167A (en) * | 2019-02-22 | 2019-06-28 | 光大环境科技（中国）有限公司 | A kind of mud drying device and method |
| CN110193965A (en) * | 2019-04-30 | 2019-09-03 | 江苏思威博生物科技有限公司 | A kind of cow dung deep dehydration extrusion equipment |
| CN110862218A (en) * | 2019-12-13 | 2020-03-06 | 梁荷 | Waste oil sludge treatment method |
| CN112693867A (en) * | 2020-12-09 | 2021-04-23 | 江西博展自动化科技有限公司 | Conveying line for fermentation |
| CN113003917A (en) * | 2021-02-08 | 2021-06-22 | 杭州国泰环保科技股份有限公司 | Sludge low-temperature drying machine based on tail gas purification function |
| CN113402146A (en) * | 2021-06-24 | 2021-09-17 | 杭州国泰环保科技股份有限公司 | Multilayer quick drying cavity system for low-temperature drying of sludge and temperature control method |
| CN113501626A (en) * | 2021-08-04 | 2021-10-15 | 马宁 | Be used for landfill leachate treatment facility |
| CN113511794A (en) * | 2020-04-09 | 2021-10-19 | 北京轻松新源科技有限公司 | Energy-concerving and environment-protective type sludge treatment equipment |
| CN113788594A (en) * | 2021-10-19 | 2021-12-14 | 兴源环境科技股份有限公司 | Dirty dry-wet separator of excrement for livestock-raising |
| CN114778371A (en) * | 2022-04-14 | 2022-07-22 | 大地绿源环保科技(北京)有限公司 | Sludge water content measuring device and measuring method |
| CN114940570A (en) * | 2022-07-11 | 2022-08-26 | 四川龙锦宇科技有限公司 | Oil-containing sludge deoiling and dewatering device, process and application |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553291A (en) * | 2013-11-11 | 2014-02-05 | 北京纬纶华业环保科技股份有限公司 | Low-temperature sludge drying treatment system and technology |
| CN204185363U (en) * | 2014-11-13 | 2015-03-04 | 嘉兴新嘉爱斯热电有限公司 | Mud pulverizes drying installation |
| CN105948431A (en) * | 2016-06-24 | 2016-09-21 | 广州凯能电器科技有限公司 | Sludge drying full-automatic production line |
| CN205603438U (en) * | 2016-05-10 | 2016-09-28 | 温州中业文化创意发展有限公司 | Energy -conserving low temperature waste heat belt vibration sludge drying device |
| CN106380056A (en) * | 2016-08-18 | 2017-02-08 | 郭凯 | A municipal sludge deep drying device |
-
2017
- 2017-06-05 CN CN201710413804.8A patent/CN107188390A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553291A (en) * | 2013-11-11 | 2014-02-05 | 北京纬纶华业环保科技股份有限公司 | Low-temperature sludge drying treatment system and technology |
| CN204185363U (en) * | 2014-11-13 | 2015-03-04 | 嘉兴新嘉爱斯热电有限公司 | Mud pulverizes drying installation |
| CN205603438U (en) * | 2016-05-10 | 2016-09-28 | 温州中业文化创意发展有限公司 | Energy -conserving low temperature waste heat belt vibration sludge drying device |
| CN105948431A (en) * | 2016-06-24 | 2016-09-21 | 广州凯能电器科技有限公司 | Sludge drying full-automatic production line |
| CN106380056A (en) * | 2016-08-18 | 2017-02-08 | 郭凯 | A municipal sludge deep drying device |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108002680A (en) * | 2017-12-05 | 2018-05-08 | 东莞市天合机电开发有限公司 | A kind of mud drying device of squash type |
| CN108218185A (en) * | 2017-12-28 | 2018-06-29 | 山东九择环保设备有限公司 | Oiliness sludge treater |
| CN108409096A (en) * | 2018-04-17 | 2018-08-17 | 安徽睿知信信息科技有限公司 | A kind of modified sewage disposal sludge drying device |
| CN109942167A (en) * | 2019-02-22 | 2019-06-28 | 光大环境科技（中国）有限公司 | A kind of mud drying device and method |
| CN110193965A (en) * | 2019-04-30 | 2019-09-03 | 江苏思威博生物科技有限公司 | A kind of cow dung deep dehydration extrusion equipment |
| CN110862218B (en) * | 2019-12-13 | 2022-05-03 | 梁荷 | Waste oil sludge treatment method |
| CN110862218A (en) * | 2019-12-13 | 2020-03-06 | 梁荷 | Waste oil sludge treatment method |
| CN113511794A (en) * | 2020-04-09 | 2021-10-19 | 北京轻松新源科技有限公司 | Energy-concerving and environment-protective type sludge treatment equipment |
| CN112693867A (en) * | 2020-12-09 | 2021-04-23 | 江西博展自动化科技有限公司 | Conveying line for fermentation |
| CN113003917A (en) * | 2021-02-08 | 2021-06-22 | 杭州国泰环保科技股份有限公司 | Sludge low-temperature drying machine based on tail gas purification function |
| CN113402146A (en) * | 2021-06-24 | 2021-09-17 | 杭州国泰环保科技股份有限公司 | Multilayer quick drying cavity system for low-temperature drying of sludge and temperature control method |
| CN113501626A (en) * | 2021-08-04 | 2021-10-15 | 马宁 | Be used for landfill leachate treatment facility |
| CN113788594A (en) * | 2021-10-19 | 2021-12-14 | 兴源环境科技股份有限公司 | Dirty dry-wet separator of excrement for livestock-raising |
| CN114778371A (en) * | 2022-04-14 | 2022-07-22 | 大地绿源环保科技(北京)有限公司 | Sludge water content measuring device and measuring method |
| CN114940570A (en) * | 2022-07-11 | 2022-08-26 | 四川龙锦宇科技有限公司 | Oil-containing sludge deoiling and dewatering device, process and application |
| CN114940570B (en) * | 2022-07-11 | 2023-03-07 | 四川龙锦宇科技有限公司 | Oil-containing sludge deoiling and dewatering device, process and application |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107188390A (en) | A kind of intelligent drying method for sludge | |
| CN208146643U (en) | A kind of organic waste centralized processing equipment | |
| CN202729970U (en) | Feces treatment device | |
| JP6053252B2 (en) | Solid fuel production method and production plant | |
| CN100389671C (en) | Method for producing kitchen trash feed | |
| CN106642146B (en) | A kind of rubbish air-dries processing system and method | |
| CN108702952A (en) | A kind of removal of impurities of stalk, broken and drying integral machine | |
| CN113548784A (en) | Method and device for efficient sludge heat drying treatment | |
| CN105130520A (en) | Treatment method and equipment for vegetable and fruit waste | |
| CN105417923B (en) | A kind of sludge drying system | |
| CN102372410A (en) | Method for sludge dehydration and drying | |
| CN107954585A (en) | A kind of domestic sludge assists coal desiccation molding machine | |
| CN114307958A (en) | Process method and equipment for preparing activated sludge-based granular biochar based on one-step method | |
| JP5901809B2 (en) | Solid fuel production method and production plant | |
| CN213012531U (en) | Sludge drying and dewatering equipment | |
| CN210945410U (en) | Distributed integrated kitchen garbage and fertilizer making equipment | |
| CN105713698B (en) | A kind of method of afforestation Castoff material energizing | |
| CN107285603A (en) | A kind of concentrate drying system and method for Treatment of Sludge | |
| CN218202578U (en) | Biomass garbage resource conversion equipment | |
| CN110918594A (en) | Full-automatic biomass renewable fuel forming device | |
| CN201605216U (en) | Sludge drying processing equipment | |
| CN206418041U (en) | A kind of continuous composting device of organic waste | |
| CN215403931U (en) | Regional organic waste coprocessing system | |
| CN217119786U (en) | Wet garbage resource treatment device | |
| CN114383138A (en) | Kitchen waste and household waste combined incineration treatment process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170922 |