CN109851199A - A kind of the kiln collaboration innocuity disposal system and technique of plate domestic sludge - Google Patents
A kind of the kiln collaboration innocuity disposal system and technique of plate domestic sludge Download PDFInfo
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- CN109851199A CN109851199A CN201910075626.1A CN201910075626A CN109851199A CN 109851199 A CN109851199 A CN 109851199A CN 201910075626 A CN201910075626 A CN 201910075626A CN 109851199 A CN109851199 A CN 109851199A
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- 239000010802 sludge Substances 0.000 title claims abstract description 139
- 238000000034 method Methods 0.000 title claims abstract description 44
- 239000007789 gas Substances 0.000 claims description 151
- 239000000843 powder Substances 0.000 claims description 73
- 238000010410 dusting Methods 0.000 claims description 39
- 238000000926 separation method Methods 0.000 claims description 33
- 239000007787 solid Substances 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 29
- 239000000203 mixture Substances 0.000 claims description 17
- 239000008187 granular material Substances 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 11
- 238000011144 upstream manufacturing Methods 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 10
- 238000004332 deodorization Methods 0.000 claims description 9
- 238000000354 decomposition reaction Methods 0.000 claims description 7
- 239000002912 waste gas Substances 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 4
- 238000010298 pulverizing process Methods 0.000 claims description 2
- 210000002445 nipple Anatomy 0.000 description 35
- 238000007599 discharging Methods 0.000 description 14
- 230000009286 beneficial effect Effects 0.000 description 11
- 125000006850 spacer group Chemical group 0.000 description 7
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of kiln of plate domestic sludge collaboration innocuity disposal system and techniques, and topology layout is compact, occupied area is small, solve plate sludge kiln cooperative disposal conveying problem, and save the cost is easy to operate.
Description
Technical field
The present invention relates to technical field of sludge treatment, the kiln of more particularly to a kind of plate domestic sludge cooperates with nothing
Evilization processing system and technique.
Background technique
Currently, being gradually increased with daily water consumption amount, the daily sewage load of sewage treatment plant is also gradually increased, phase
That answers will generate a large amount of sludge in sewage disposal process, and in the treatment process of sludge, be typically directly discarded in farmland,
The public environment such as river, ocean, the sludge that wastewater treatment in China factory generates have 70% cannot properly dispose, and sludge is arbitrarily stacked
Environmental beauty is not only influenced, but also will cause environmental pollution.Accordingly, it is desirable to provide effective sludge treatment equipment and method.
The mainstream technology of domestic cement kiln synergic processing life organic sludge at present is that the sludge of moisture content 80% is dirty
Dredge pump is pumped directly into rotary kiln incineration disposal.But with the rise of sludge treatment expense, sewage treatment plant implements sludge
Minimizing factory, the plate sludge yield of dehydration to 60% are increasing.But sludge pump is not suitable for conveying plate sludge, needs
Add water that moisture percentage in sewage sludge is increased to 80% or more to convey again, so cause energy waste, cost improves.Sludge at this stage
What processing method was mainly realized by sludge reduction factory, but the processing mode of minimizing factory will cause sludge treatment expense
With rise, increased costs, sludge reduction popularization and development is caused to be severely limited.In addition, existing sludge treating system
With apparatus structure it is complicated, take up a large area, operational process is complicated, is not easily controlled, and is unfavorable for promoting and use.
Therefore it provides a kind of kiln collaboration for the plate domestic sludge that structure is simple, occupied area is small, processing cost is low is harmless
The problem of change processing system and technique are those skilled in the art's urgent need to resolve.
Summary of the invention
In view of this, the present invention provides a kind of kiln of plate domestic sludge collaboration innocuity disposal system and technique,
Topology layout is compact, occupied area is small, solves plate sludge kiln cooperative disposal conveying problem, and save the cost is easy to operate.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of kiln of plate domestic sludge cooperates with innocuity disposal system, which is characterized in that including crushing system, first defeated
Send system, gas desiccation dusting machine, gas solid separation system, warehouse, the second transportation system and rotary kiln；
The crushing system includes feeding device and crusher, and crusher described in the feeding device communicating downstream is described
The discharge port of crusher is connected to first transportation system；
First transportation system upstream is connected to the discharge hole of crusher, described in the first transportation system communicating downstream
Gas desiccation dusting machine；
The gas desiccation dusting machine includes wet mud particle entrance, hot air inlet and the outlet of material gas；The wet mud
Particle entrance is connected to the downstream of the screw conveyer, and the hot air inlet is for being passed through hot-air, the material gas outlet
It is connected to the gas solid separation system；
The gas solid separation system includes cyclone collector and bagroom；The cyclone collector includes that material gas enters
Mouth, the outlet of the first sludge dry powder and dusty gas outlet, the material gas entrance and the material gas outlet, first sludge
Dry powder outlet is connected to the warehouse, and the dusty gas outlet is connected to the bagroom；The bagroom packet
Dusty gas entrance, the outlet of the second sludge dry powder and waste gas outlet are included, the dusty gas entrance is connected to the dusty gas and goes out
Mouthful, warehouse described in the second sludge dry powder outlet, the waste gas outlet is connected to the rotary kiln；
The warehouse includes sludge dry powder entrance and sludge dry powder outlet, and the sludge dry powder entrance connection described first is dirty
Mud dry powder outlet and second sludge dry powder export, the second transportation system described in the sludge dry powder outlet；
Second transportation system upstream is connected to the sludge dry powder and exports, described in the second transportation system communicating downstream
Rotary kiln.
The beneficial effect of above-mentioned optimal technical scheme is: the present invention passes through crushing system, the first transportation system, gas desiccation
Plate domestic sludge may be implemented in the mutual cooperation of dusting machine, gas solid separation system, warehouse, the second transportation system and rotary kiln
Kiln cooperates with harmless treatment, can meet different mud handling capacity requirements.Processing system disclosed by the invention has intelligent, operation
Simply, the characteristics of occupied area is small, save the cost, is able to achieve the plate sludge pretreatment of moisture content 60% or so, and can be with
Solve the problems, such as that plate sludge kiln cooperative disposal conveys.
Preferably, the feeding device is grab bucket, and the crusher is fine crusher.
The beneficial effect of above-mentioned optimal technical scheme is: the present invention realizes grab bucket as feeding device in which can be convenient
The purpose of material, and occupation area of equipment is small, it is convenient to automatically control, and realizes with can be convenient and coordinates with other devices, cooperates；This
Invention can efficiently, quickly realize broken purpose using fine crusher.
Preferably, first transportation system includes belt conveyor and screw conveyer, on the belt conveyor
Trip is connected to the crusher outlet, the feeding inlet of screw conveyer described in the belt conveyor communicating downstream, the spiral
Gas desiccation dusting machine described in formula conveyer communicating downstream.
The beneficial effect of above-mentioned optimal technical scheme is: the present invention passes through belt conveyor and screw conveyer phase interworking
Conjunction may be implemented material being delivered to gas desiccation dusting machine, and coordinated between device by crusher outlet, may be implemented
Automation control.
Preferably, second transportation system includes drag conveyor, bucket elevator and screw conveyor, the scraper plate
Conveyer upstream is connected to the sludge dry powder outlet, bucket elevator described in the drag conveyor communicating downstream, the bucket type
Screw conveyor described in elevator communicating downstream, rotary kiln described in the screw conveyor communicating downstream.
The beneficial effect of above-mentioned optimal technical scheme is: the present invention passes through drag conveyor, bucket elevator and spiral transferring
Machine mutual cooperation is sent to may be implemented material being delivered to rotary kiln by sludge dry powder outlet, to realize the kiln of plate domestic sludge
Cooperate with innocent treatment procedure.
Preferably, the bagroom is Antisticking bagroom.
The beneficial effect of above-mentioned optimal technical scheme is: the present invention can will prevent dust using Antisticking bagroom
It is adhered in bagroom, influences treatment effect, and will increase the loss of device, reduce the service life of device.
It preferably, further include negative pressure deodorization system, the negative pressure deodorization system and the crushing system, the first delivery system
System, gas desiccation dusting machine, gas solid separation system, warehouse, the second transportation system and rotary kiln are coupled.
The beneficial effect of above-mentioned optimal technical scheme is: the present invention can generate each section by negative pressure deodorization system
Polluted gas is handled, and foul smell and harmful gases diffusion are prevented, and disposes foul smell and pernicious gas, and stop using in rotary kiln
When disposition from bagroom come out exhaust gas.
Preferably, the gas desiccation dusting machine includes wet mud particle entrance, hot air inlet, the outlet of material gas, charging
It is pipe nipple cylinder, intermediate pipe nipple cylinder, discharging pipe nipple cylinder, liner plate assembly, feed pipe, blast pipe, discharge nozzle, main shaft, axle sleeve, big
Blade, vanelets, discharge blade, axle sleeve and wear-resisting spacer ring；
The charging pipe nipple cylinder, the intermediate pipe nipple cylinder and the discharging pipe nipple cylinder pass sequentially through flanged joint,
The flange is coupled with gasket, while sealant is smeared on the flange and the gasket, the charging pipe nipple
Cylinder and the intermediate pipe nipple inner barrel are equipped with liner plate assembly；
The feed pipe and the blast pipe, the feed pipe and wet mud particle are welded on the charging pipe nipple cylinder
Entrance connection, the blast pipe are connected to hot air inlet；
The discharge nozzle is welded on the side wall of the discharging pipe nipple cylinder and hangs down with the central axes of the discharging pipe nipple cylinder
Directly, the discharge nozzle and the material gas outlet；
The main shaft is arranged in the charging pipe nipple cylinder, the intermediate pipe nipple cylinder and the discharging pipe nipple cylinder
On axis, the main shaft is connect with sealing device respectively with the charging pipe nipple cylinder and the discharging pipe nipple cylinder；
A pair of of angular contact ball bearing device is assembled at the main shaft both ends, and the main shaft is dynamic by bearing arrangement and secondary motor
Power connects, and is arranged with the axle sleeve on the main shaft, the key is coupled on the axle sleeve, the great Ye is installed on the key
Piece, vanelets and discharge blade, the big blade and the vanelets are successively arranged alternately, the discharge blade and the discharging
Pipe is generally aligned in the same plane；
The wear-resisting spacer ring is installed on the liner plate assembly, and with the vanelets are concentric installs.
The channel that wind and material are formed between big blade and blade assembly forms wind and expects between vanelets and wear-resisting spacer ring
Channel, main shaft high speed rotation under the driving of secondary motor, the sludge powder after desiccation lean on high-speed rotating discharge blade and wind-force
It takes out of.
A kind of kiln collaboration harmless treatment process of plate domestic sludge, using a kind of plate as described in above-mentioned any one
The kiln of shape domestic sludge cooperates with innocuity disposal system, specifically comprises the following steps:
(1) pulverization process is first carried out to plate sludge using fine crusher, obtains mud granule；
(2) above-mentioned smashed mud granule is delivered to gas desiccation dusting machine, be passed through hot-air carry out drying and into
The dusting of one step is handled, and obtains the mixture gas of sludge powder and gas composition；
(3) mixture gas is passed through gas solid separation system and carries out gas solid separation, respectively obtain exhaust gas and sludge dry powder；
(4) sludge dry powder is delivered to rotary kiln incineration after warehouse, and exhaust gas is passed directly into rotary kiln and is thermally decomposed.
The beneficial effect of above-mentioned optimal technical scheme is: treatment process disclosed by the invention depends on plate domestic sludge
Kiln collaboration innocuity disposal system is handled, and process flow is simple, treatment effeciency is high, and overall process high degree of automation,
It uses manpower and material resources sparingly, and it is possible to prevente effectively from outwardly Environment release pernicious gas, meets environmental protection requirement.
Preferably, partial size is crushed in the step (1) less than 20mm.
Preferably, it is 3~15mm that partial size is crushed in the step (1).
The beneficial effect of above-mentioned optimal technical scheme is: plate sludge is crushed to partial size by fine crusher by the present invention
Be conducive to carry out drying and dusting processing less than 20mm, and being crushed to partial size is that 3~10mm both can guarantee quickening dusting and drying
Speed, and the workload crushed using fine crusher, save the cost can be lowered.
Preferably, the speed of mainshaft of setting gas desiccation dusting machine is 1500r/min~3000r/ in the step (2)
Min, the temperature of the hot-air are 55~70 DEG C；Sludge powder diameter obtained in the step (2) is 50~300 μm, sludge
Powder moisture content is less than 25%.
The beneficial effect of above-mentioned optimal technical scheme is: reasonable crushing vane revolving speed and hot air temperature is arranged in the present invention
It may be implemented fast and efficiently to carry out drying and atomization process, accelerate working efficiency.Temperature is closed lower than dioxin when sludge drying
At the temperature (dioxin synthesis temperature be 200-450 DEG C) of needs, and the sludge after desiccation also enters in rotary kiln high temperature incineration simultaneously
Certain calorific value is provided, so as to realize that harmless resource utilization is disposed.
Preferably, mixture gas is first passed through cyclone collector progress gas solid separation and respectively obtains sludge in the step (3)
Dry powder and dusty gas, dusty gas, which continues to be passed through bagroom, to carry out gas solid separation and respectively obtains exhaust gas and sludge dry powder.
The beneficial effect of above-mentioned optimal technical scheme is: the present invention carries out initial gross separation first with cyclone collector and obtains dirt
Mud dry powder and dusty gas, then dusty gas is subjected to gas solid separation by bagroom and respectively obtains exhaust gas and sludge is done
Powder can adequately realize the separation of gas and sludge powder solid, improve treatment effect.
Preferably, decomposition temperature is greater than 850 DEG C in the step (4)
The beneficial effect of above-mentioned optimal technical scheme is that setting decomposition temperature is greater than 850 DEG C, it is ensured that sludge dry powder energy
Enough adequately decomposed.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides a kind of life of plate is dirty
The kiln collaboration innocuity disposal system and technique of mud, this process use highly integrated intelligentized control method, side easy to operate
Just, duct type is conveyed into kiln compared to other mode of movement, and topology layout is compact, and occupied area is small.Gas desiccation dusting machine and its
Integrated equipment can reach the purpose of the plate sludge pretreatment of moisture content 60%, solve the difficulty of plate sludge kiln cooperative disposal conveying
Topic, save the cost.Since temperature is lower than what dioxin synthesis needed when gas all enters high temperature incineration in rotary kiln, sludge drying
Temperature (dioxin synthesis temperature is 200-450 DEG C), and the sludge after desiccation also enters high temperature incineration in rotary kiln, so as to reality
Existing harmless treatment.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawing is that a kind of kiln of plate domestic sludge provided by the invention cooperates with the structural representation of innocuity disposal system
Figure；
Fig. 2 attached drawing is the structural schematic diagram one of gas desiccation dusting machine provided by the invention；
Fig. 3 attached drawing is the structural schematic diagram two of gas desiccation dusting machine provided by the invention.
In figure: 1 being crusher, 2 be belt conveyor, 3 be screw conveyer, 4 be gas desiccation dusting machine, 5 be
Cyclone collector, 6 be bagroom, 7 be warehouse, 8 be drag conveyor, 9 be bucket elevator, 10 be screw conveyor,
41 it is wet mud particle entrance, 42 is that hot air inlet 43 is the outlet of material gas, 44 is charging pipe nipple cylinder, 45 is intermediate pipe nipple cylinder
Body, 46 be discharging pipe nipple cylinder, 47 be liner plate assembly, 48 be feed pipe, 49 be blast pipe, 410 be discharge nozzle, 411 be main shaft,
412 it is axle sleeve, 413 be big blade, 414 be vanelets, 415 be discharge blade, 416 be key, 417 be wear-resisting spacer ring, 51 is material
Gas entrance, 52 for the outlet of the first sludge dry powder, 53 are dusty gas outlet, 61 are dusty gas entrance, 62 are that the second sludge is dry
Powder outlet, 63 are waste gas outlet.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
A kind of kiln collaboration innocuity disposal system of plate domestic sludge, including crushing system, the first transportation system, gas
Desiccation dusting machine 4, gas solid separation system, warehouse 7, the second transportation system and rotary kiln；
Crushing system includes feeding device and crusher 1, feeding device communicating downstream crusher 1, the discharge port of crusher 1
It is connected to the first transportation system；
First transportation system upstream is connected to 1 discharge port of crusher, the first transportation system communicating downstream gas desiccation dusting machine
4；
Gas desiccation dusting machine 4 includes wet mud particle entrance 41, hot air inlet 42 and material gas outlet 43；Wet mud
Grain entrance 41 is connected to the downstream of screw conveyer 3, and hot air inlet 42 is for being passed through hot-air, 43 connection gas-solid of material gas outlet
Separation system；
Gas solid separation system includes cyclone collector 5 and bagroom 6；Cyclone collector 5 includes material gas entrance 51, the
One sludge dry powder outlet 52 and dusty gas outlet 53, material gas entrance 51 are connected to material gas outlet 43, the outlet of the first sludge dry powder
52 are connected to warehouse 7, and dusty gas outlet 53 is connected to bagroom 6；Bagroom 6 include dusty gas entrance 61,
Second sludge dry powder outlet 62 and waste gas outlet 63, dusty gas entrance 61 are connected to dusty gas outlet 53, the second sludge dry powder
62 connection warehouse 7 of outlet, waste gas outlet 63 are connected to rotary kiln；
Warehouse 7 includes that sludge dry powder entrance and sludge dry powder export, and sludge dry powder entrance is connected to the outlet of the first sludge dry powder
52 and second sludge dry powder outlet 62, the second transportation system of sludge dry powder outlet；
Second transportation system upstream is connected to sludge dry powder outlet, the second transportation system communicating downstream rotary kiln.
Cyclone collector 5 by with cone bottomed outer cylinder, blast pipe, exhaust pipe, store up back case and ash-valve forms.Sludge
The tail gas that powder is mixed with hot-air tangentially enters outer cylinder along outer cylinder with higher speed by the air inlet of cyclone collector 5
Afterwards, rotary motion is formed, due to the limitation of inside and outside cylinder and top cover, air-flow is forced to spin from top to bottom therebetween linear rotation
It moves, generates very big centrifugal force in rotational movement process, sludge powder inertia force is more much larger than gas inertia power, is gradually divided by getting rid of
From, outer cylindrical wall lower part formed grain concentration area, enter ash storage box through ash discharging hole.Enter sludge dry powder warehouse eventually by chute
7.Swirling eddy enter exhaust scope tube attachment, be forced to due to following sealing state air-flow start rotation rise, finally by
Exhaust pipe is discharged cyclone collector 5 and enters bagroom 6.
6 ontology of bagroom is by parts such as upper box body, middle part cabinet, filter bag, ash bucket, soot cleaning system and ash exhausters
Composition.The dusty gas being discharged out of cyclone collector 5 is entered by 6 lower part admission line of bagroom, is entered through deflector
When ash bucket, due to deflector collision and gas velocity reduction the effects of, the coarse powder dirt in dusty gas is fallen into ash bucket, is passed through
It crosses skewed slot and is delivered to sludge dry powder warehouse 7.Remaining fine dusts enters baghouse with gas, by detention after sock filtration in filter bag
Interior, bagroom 6 is discharged in purified exhaust gas, is entered in rotary kiln dore furnace by pipeline and is burned.Dust stratification on filter bag is adopted
It is removed with the method for blowing air pulse, removes the sludge dust to get off and fall into ash bucket, be delivered to sludge dry powder by skewed slot
In warehouse 7.This process is second of gas solid separation.
For further optimisation technique scheme, feeding device is grab bucket, and crusher 1 is fine crusher 1.
For further optimisation technique scheme, the first transportation system includes belt conveyor 2 and screw conveyer 3,
2 upstream of belt conveyor is connected to crusher 1 and exports, the feeding inlet of 2 communicating downstream screw conveyer 3 of belt conveyor, spiral
3 communicating downstream gas desiccation dusting machine 4 of formula conveyer.
For further optimisation technique scheme, the second transportation system includes drag conveyor 8, bucket elevator 9 and spiral shell
Conveyer 10 is revolved, 8 upstream of drag conveyor is connected to sludge dry powder outlet, 8 communicating downstream bucket elevator 9 of drag conveyor, bucket
9 communicating downstream screw conveyor 10 of formula elevator, 10 communicating downstream rotary kiln of screw conveyor.
For further optimisation technique scheme, bagroom 6 is Antisticking bagroom 6.
It further include negative pressure deodorization system, negative pressure deodorization system and the broken system for further optimisation technique scheme
System, the first transportation system, gas desiccation dusting machine 4, gas solid separation system, warehouse 7, the second transportation system and rotary kiln cooperation peace
Dress.
Negative pressure deodorization system includes activated carbon adsorber, blower, exhaust chimney, indoor collection air hose and outdoor air conduit, is led to
Activated carbon adsorber, blower, exhaust chimney, indoor collection air hose and outdoor air conduit is crossed to cooperate and realize the effect of deodorization.
As shown in figures 2-3 for further optimisation technique scheme, gas desiccation dusting machine 4 includes that wet mud particle enters
Mouth 41, hot air inlet 42, material gas outlet 43, charging pipe nipple cylinder 44, intermediate pipe nipple cylinder 45, the pipe nipple cylinder 46 that discharges, lining
Plate assembly 47, feed pipe 48, blast pipe 49, discharge nozzle 410, main shaft 411, axle sleeve 412, big blade 413, vanelets 414, discharging
Blade 415, axle sleeve 416 and wear-resisting spacer ring 417；
Charging pipe nipple cylinder 44, intermediate pipe nipple cylinder 45 and discharging pipe nipple cylinder 46 pass sequentially through flanged joint, flange with
Gasket is coupled, while sealant is smeared on flange and gasket, charging pipe nipple cylinder 44 and intermediate pipe nipple cylinder 45
Inside is equipped with liner plate assembly 47；
Feed pipe 48 and blast pipe 49 are welded on charging pipe nipple cylinder 44, feed pipe 48 and wet mud particle entrance 41 connect
Logical, blast pipe 49 is connected to hot air inlet 42；
Discharge nozzle 48 be welded on discharging pipe nipple cylinder 46 side wall and with discharging the central axes of pipe nipple cylinder 46 it is vertical, out
Expects pipe 410 is connected to material gas outlet 43；
Main shaft 411 is arranged on the central axes of charging pipe nipple cylinder 44, intermediate pipe nipple cylinder 45 and the pipe nipple cylinder 46 that discharges,
Main shaft 411 is connect with sealing device respectively with charging pipe nipple cylinder 44 and discharging pipe nipple cylinder 46；
A pair of of angular contact ball bearing device is assembled at 411 both ends of main shaft, and main shaft 411 passes through bearing arrangement and secondary motor power
It connects, is arranged with axle sleeve 412 on main shaft 411, is coupled on axle sleeve 412 on 416,416 key of key and big blade 413, leaflet are installed
Piece 414 and discharge blade 415, big blade 413 and the setting of the interval of vanelets 414, discharge blade 415 and discharge nozzle are located at same flat
Face；
Wear-resisting spacer ring 417 is installed on liner plate assembly 47, and with the concentric installation of vanelets 414.
The channel that wind and material are formed between big blade 413 and blade assembly 47, between vanelets 414 and wear-resisting spacer ring 417
Form the channel of wind and material, main shaft high speed rotation under the driving of secondary motor, sludge powder after desiccation by it is high-speed rotating go out
Material blade 415 and wind-force are taken out of.
Embodiment 2
A kind of kiln collaboration harmless treatment process of plate domestic sludge, it is raw using a kind of plate as described in Example 1
The kiln of sludge living cooperates with innocuity disposal system, specifically comprises the following steps:
(1) plate sludge is first crushed to less than 20mm by partial size using fine crusher, obtains mud granule；
(2) above-mentioned smashed mud granule is delivered to gas desiccation dusting machine, the revolving speed that spindle is arranged is
1500r/min-3000r/min is simultaneously passed through 55~70 DEG C of hot-airs and carries out drying and further dusting processing, and obtaining partial size is
50~300 μm, mixture gas of the moisture content less than 25%；
(3) mixture gas is passed through gas solid separation system and carries out gas solid separation, respectively obtain exhaust gas and sludge dry powder；
(4) sludge dry powder is delivered to rotary kiln incineration after warehouse, and exhaust gas is passed directly into rotary kiln and is thermally decomposed,
Decomposition temperature is greater than 850 DEG C.
For further optimisation technique scheme, it is 3~15mm that partial size is crushed in the step (1).
Embodiment 3
A kind of kiln collaboration harmless treatment process of plate domestic sludge, it is raw using a kind of plate as described in Example 1
The kiln of sludge living cooperates with innocuity disposal system, specifically comprises the following steps:
(1) plate sludge is first crushed to less than 3mm by partial size using fine crusher, obtains mud granule；
(2) above-mentioned smashed mud granule is delivered to gas desiccation dusting machine, the setting speed of mainshaft is 3000r/
Min is simultaneously passed through 70 DEG C of hot-airs and carries out drying and further dusting processing, obtains that partial size is 50~95 μm, moisture content is less than
25% mixture gas；
(3) mixture gas is passed through gas solid separation system and carries out gas solid separation, respectively obtain exhaust gas and sludge dry powder；
(4) sludge dry powder is delivered to rotary kiln incineration after warehouse, and exhaust gas is passed directly into rotary kiln and is thermally decomposed,
Decomposition temperature is 900 DEG C.
Embodiment 4
A kind of kiln collaboration harmless treatment process of plate domestic sludge, it is raw using a kind of plate as described in Example 1
The kiln of sludge living cooperates with innocuity disposal system, specifically comprises the following steps:
(1) plate sludge is first crushed to less than 10mm by partial size using fine crusher, obtains mud granule；
(2) above-mentioned smashed mud granule is delivered to gas desiccation dusting machine, the setting speed of mainshaft is 2000r/
Min is simultaneously passed through 60 DEG C of hot-airs and carries out drying and further dusting processing, obtain partial size be 100~160 μm, moisture content it is small
In 25% mixture gas；
(3) mixture gas is passed through gas solid separation system and carries out gas solid separation, respectively obtain exhaust gas and sludge dry powder；
(4) sludge dry powder is delivered to rotary kiln incineration after warehouse, and exhaust gas is passed directly into rotary kiln and is thermally decomposed,
Decomposition temperature is 1000 DEG C.
Embodiment 5
A kind of kiln collaboration harmless treatment process of plate domestic sludge, it is raw using a kind of plate as described in Example 1
The kiln of sludge living cooperates with innocuity disposal system, specifically comprises the following steps:
(1) plate sludge is first crushed to less than 15mm by partial size using fine crusher, obtains mud granule；
(2) above-mentioned smashed mud granule is delivered to gas desiccation dusting machine, the setting speed of mainshaft is 1500r/
Min is simultaneously passed through 55 DEG C of hot-airs and carries out drying and further dusting processing, obtain partial size be 200~280 μm, moisture content it is small
In 25% mixture gas；
(3) mixture gas is passed through gas solid separation system and carries out gas solid separation, respectively obtain exhaust gas and sludge dry powder；
(4) sludge dry powder is delivered to rotary kiln incineration after warehouse, and exhaust gas is passed directly into rotary kiln and is thermally decomposed,
950 DEG C of decomposition temperature.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of kiln of plate domestic sludge cooperates with innocuity disposal system, which is characterized in that including crushing system, the first conveying
System, gas desiccation dusting machine, gas solid separation system, warehouse, the second transportation system and rotary kiln；
The crushing system includes feeding device and crusher, and crusher described in the feeding device communicating downstream is described broken
The discharge port of machine is connected to first transportation system；
First transportation system upstream is connected to the discharge hole of crusher, gas described in the first transportation system communicating downstream
Desiccation dusting machine；
The gas desiccation dusting machine includes wet mud particle entrance, hot air inlet and the outlet of material gas；The wet mud particle
Entrance is connected to the downstream of the screw conveyer, and the hot air inlet is for being passed through hot-air, the material gas outlet
The gas solid separation system；
The gas solid separation system includes cyclone collector and bagroom；The cyclone collector includes material gas entrance, the
The outlet of one sludge dry powder and dusty gas outlet, the material gas entrance and the material gas outlet, first sludge dry powder
Outlet is connected to the warehouse, and the dusty gas outlet is connected to the bagroom；The bagroom includes containing
Dirt gas access, the outlet of the second sludge dry powder and waste gas outlet, the dusty gas entrance are connected to the dusty gas outlet, institute
Warehouse described in the second sludge dry powder outlet is stated, the waste gas outlet is connected to the rotary kiln；
The warehouse includes sludge dry powder entrance and sludge dry powder outlet, and it is dry that the sludge dry powder entrance is connected to first sludge
Powder outlet and second sludge dry powder export, the second transportation system described in the sludge dry powder outlet；
Second transportation system upstream is connected to the sludge dry powder outlet, turns round described in the second transportation system communicating downstream
Kiln.
2. a kind of kiln of plate domestic sludge according to claim 1 cooperates with innocuity disposal system, which is characterized in that institute
Stating the first transportation system includes belt conveyor and screw conveyer, and the belt conveyor upstream is connected to the crusher and goes out
Mouthful, the feeding inlet of screw conveyer described in the belt conveyor communicating downstream, the screw conveyer communicating downstream institute
State gas desiccation dusting machine.
3. a kind of kiln of plate domestic sludge according to claim 1 cooperates with innocuity disposal system, which is characterized in that institute
Stating the second transportation system includes drag conveyor, bucket elevator and screw conveyor, and the drag conveyor upstream is connected to institute
State sludge dry powder outlet, bucket elevator described in the drag conveyor communicating downstream, the bucket elevator communicating downstream institute
State screw conveyor, rotary kiln described in the screw conveyor communicating downstream.
4. innocuity disposal system is cooperateed with to a kind of kiln of plate domestic sludge described in 3 any one according to claim 1,
It is characterized in that, further includes negative pressure deodorization system, the negative pressure deodorization system and the crushing system, the first transportation system, gas
Desiccation dusting machine, gas solid separation system, warehouse, the second transportation system and rotary kiln are coupled.
5. a kind of kiln of plate domestic sludge cooperates with harmless treatment process, which is characterized in that appointed using such as Claims 1-4
A kind of kiln collaboration innocuity disposal system of plate domestic sludge, specifically comprises the following steps: described in meaning one
(1) pulverization process is first carried out to plate sludge using fine crusher, obtains mud granule；
(2) above-mentioned smashed mud granule is delivered to gas desiccation dusting machine, be passed through hot-air carry out drying and further
Dusting processing, obtain the mixture gas of sludge powder and gas composition；
(3) mixture gas is passed through gas solid separation system and carries out gas solid separation, respectively obtain exhaust gas and sludge dry powder；
(4) sludge dry powder is delivered to rotary kiln incineration after warehouse, and exhaust gas is passed directly into rotary kiln and is thermally decomposed.
6. a kind of kiln of plate domestic sludge according to claim 5 cooperates with harmless treatment process, which is characterized in that institute
It states and is crushed to partial size in step (1) less than 20mm.
7. a kind of kiln of plate domestic sludge according to claim 6 cooperates with harmless treatment process, which is characterized in that institute
Stating and being crushed to partial size in step (1) is 3~15mm.
8. a kind of kiln of plate domestic sludge according to claim 5 cooperates with harmless treatment process, which is characterized in that institute
The revolving speed for stating combined type crushing vane in gas desiccation dusting machine in step (2) is 1500r/min-3000r/min, and the heat is empty
The temperature of gas is 55~70 DEG C；Sludge powder diameter obtained in the step (2) is 50~300 μm, and sludge powder moisture content is less than
25%.
9. a kind of kiln of plate domestic sludge according to claim 5 cooperates with harmless treatment process, which is characterized in that institute
State mixture gas in step (3) be first passed through cyclone collector carry out gas solid separation respectively obtain sludge dry powder and dusty gas, contain
Dust and gas body, which continues to be passed through bagroom, to carry out gas solid separation and respectively obtains exhaust gas and sludge dry powder.
10. a kind of kiln of plate domestic sludge according to claim 5 cooperates with harmless treatment process, which is characterized in that
Decomposition temperature is greater than 850 DEG C in the step (4).
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| CN201910075626.1A CN109851199B (en) | 2019-01-25 | 2019-01-25 | Kiln cooperative harmless treatment system and technology for platy domestic sludge |
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| CN109851199B (en) | 2024-08-09 |
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