CN206872890U - One kind is used to sinter digestion steel-smelting sewage sludge system - Google Patents
One kind is used to sinter digestion steel-smelting sewage sludge system Download PDFInfo
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- CN206872890U CN206872890U CN201720537193.3U CN201720537193U CN206872890U CN 206872890 U CN206872890 U CN 206872890U CN 201720537193 U CN201720537193 U CN 201720537193U CN 206872890 U CN206872890 U CN 206872890U
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- sewage sludge
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- 239000010801 sewage sludge Substances 0.000 title claims abstract description 93
- 238000003723 Smelting Methods 0.000 title claims abstract description 74
- 230000029087 digestion Effects 0.000 title claims abstract description 20
- 239000010802 sludge Substances 0.000 claims abstract description 155
- 238000005245 sintering Methods 0.000 claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 238000000034 method Methods 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 238000001914 filtration Methods 0.000 claims description 33
- 230000003020 moisturizing effect Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 34
- 239000000203 mixture Substances 0.000 description 13
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 238000004064 recycling Methods 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000009628 steelmaking Methods 0.000 description 7
- 238000007689 inspection Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 230000007812 deficiency Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 239000003500 flue dust Substances 0.000 description 3
- 238000003032 molecular docking Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
- Treatment Of Sludge (AREA)
Abstract
The utility model provides a kind of sintering that is used for and digests steel-smelting sewage sludge system, including directly defeated pipeline and sintered sludge pre-process pond to sludge, wherein：The sludge is directly provided with steel-smelting sewage sludge water pump on defeated pipeline, directly defeated pipeline connects the sludge with sintered sludge pretreatment pond, heating pipe, compressed gas pipeline and sewage sludge sintering pipeline are provided with the sintered sludge pretreatment pond, the sintered sludge pump is arranged on sewage sludge sintering pipeline, and the sintered sludge pipeline is also connected with sintered sludge nozzle；The compressed gas pipeline connects with compressed gas source；Through steel-smelting sewage sludge water pump, by sludge, directly defeated pipeline enters sintered sludge pretreatment pond to the steel-smelting sewage sludge, and it is stirred by the compressed gas pipeline, and it is heated by heating pipe.The utility model additionally provides the method that digestion steel-smelting sewage sludge is sintered using the system.The utility model can ensure that sintering production is stably and controllable.
Description
Technical field
The utility model belongs to sintering production technical field, and in particular to and one kind is used to sinter digestion steel-smelting sewage sludge system,
The utility model realizes the purpose that sintering efficiently digests steel-smelting sewage sludge by strengthening mixing in advance.
Background technology
Steel-smelting sewage sludge is for sludge caused by steel mill wet dedusting, is the byproduct of oxygen top-blown converter dedusting, is
A kind of valuable secondary resource, with chemical component fluctuation is big, iron-holder is high, (dual alkalinity reaches basic anhydride content height
2.5), fine size (≤0.074mm contents up to more than 90%) and water content is high and the characteristics such as viscosity is big.It is relative because of steel-smelting sewage sludge
Grade is higher, has certain recycle to be worth, and it can be used as sintering, pellet feed be used in production, reasonable employment
Steel-smelting sewage sludge, part iron-bearing material can be not only replaced, portion of binder, flux can also be replaced, both reduce production cost,
Reduce steel mill's blowdown again, there is considerable meaning for energy-saving and emission-reduction, cost efficiency.Steel-smelting sewage sludge generally returns at present
Receipts Application way uses for pelletizing after thickening processing or with addition of mixing, or by the way of sludge-spraying in sintering-mixing
With addition of steel-smelting sewage sludge, but due to preceding method therefore Frequent Troubles are easily caused, without by vast manufacturer's popularization and application.
As Chinese patent application CN95113202.4 disclose it is a kind of using steelmaking converter flue dust or sludge producing iron powder
Method, it is sized mixing to steelmaking converter flue dust or sludge, magnetic separation separation, and magnetic product carries out ball milling, selected, reduced anneal etc.
Technique reclaims the metallic iron of steelmaking converter flue dust or sludge；A kind of patent No. CN201220721798.5 steel-smelting sewage sludge recovery profit
With system, including coarse particle separator, settling vessel, Pulp pump, storage mud tank, enter stock pump and filter press, both at concentration
Technology method is used afterwards.
Both at technology method is used after concentration, the turnaround time is long, floor space is wide, technical requirements are high,
And a large amount of moving funds need to be put into.Comparatively, the utility model proposes scheme without to sludge condensation processing, reduce week
Turn time and space, transport process effect can directly be observed by pressure gauge, and operation is easy to operation.
Utility model content
To meet that steel-smelting sewage sludge directly digests the needs of using, the utility model provides a kind of sintering that is used for and digests steel-making
The system and method for sludge.It is of the present utility model by strengthening mixing steel-smelting sewage sludge in advance, realizing sintering, efficiently digestion steel-making is dirty
The purpose of mud, sintering cost is not only reduced, while also solve the environmental pollution of steel-smelting sewage sludge outdoor storage.
The system provided by the utility model for being used to sinter digestion steel-smelting sewage sludge, including sludge directly defeated pipeline and sintered sludge
Pond is pre-processed, wherein：
The sludge is directly provided with steel-smelting sewage sludge water pump, the sludge directly defeated pipeline and sintered sludge pretreatment on defeated pipeline
Pond is connected, and heating pipe, compressed gas pipeline and sewage sludge sintering pipeline, institute are provided with the sintered sludge pretreatment pond
State sintered sludge pump to be arranged on sewage sludge sintering pipeline, the sintered sludge pipeline is also connected with sintered sludge nozzle；It is described
Compressed gas pipeline connects with compressed gas source；
Through steel-smelting sewage sludge water pump, by sludge, directly defeated pipeline enters sintered sludge pretreatment pond to the steel-smelting sewage sludge, and leads to
Cross the compressed gas pipeline to be stirred it, it is heated by heating pipe.
The sintered sludge nozzle is mixed into mouth with sintering one and connected, and the sintering one is mixed into the sintering that mouth is known in the art
The abbreviation of the entrance of trommel mixer of system., must be through " a cylinder by the set compound worked good as general knowledge
After mixer, secondary trommel mixer " mixes twice, then by carrying out igniting burning on the uniform cloth of apparatus for distributing to sintering pallet
Knot.
Directly defeated pipeline can determine the sludge according to actual daily output sludge quantity, site space size, transportation range design, adopt
Made of materials such as thickened steel-tubes, conveying power is steel-smelting sewage sludge water pump, in docking steel-smelting sewage sludge pond end installation sludge conveying
Valve, some inspection holes, pressure gauge are preset in appropriate position of the sludge directly on defeated pipeline, in butt-sintering sludge pretreatment water
Chi Duan installs sludge feed opening, the design of feed opening scarf, prevents sludge from splashing secondary pollution.
As a kind of preferably selection of said system, the sludge is directly provided with sludge conveying valve on defeated pipeline.
Directly inspection hole is provided with as said system another preferably selection, the sludge on defeated pipeline.
Also include water pipe, the water pipe and water source as said system a kind of preferably selection, the system
Connection, water pipe moisturizing into sintered sludge pretreatment pond.The water pipe can be by recirculated water or clear water
Add in sintered sludge pretreatment pond；Make steel stop production when or when enters without sludge, can using clear water or
Recirculated water is supplemented the water in pond.
As a kind of preferably selection of said system, the compressed gas pipeline includes compressed gas control total valve, control
House steward processed, several controls are in charge of, several branch pipes and branch tube control flap, and compressed gas control is provided with the control house steward
The branch pipeline to be drawn on control house steward is in charge of in total valve processed, the control, and the branch pipe is in charge of in control draws
Bye-pass, the branch tube control flap are arranged on branch pipe.The compressed gas can use nitrogen, compressed air etc. to be used as gas
Source.Compressed gas control total valve is opened, compressed gas is by controlling house steward to be in charge of into control, branch pipe；According to the actual requirements
Corresponding branch tube control flap is opened, compressed gas enters sintered sludge pretreatment pond by corresponding branch pipe and is stirred operation.
Depending on the number that the control is in charge of can be according to field condition, 3-5 can be such as set.
Also include sludge press filtration pipeline, the sludge press filtration pipe as said system a kind of preferably selection, the system
Directly defeated pipeline connects with the sludge on road, and the sludge press filtration pipeline is additionally provided with filter press and press filtration pipe-line control valve door.It is dirty
Mud press filtration can be handled steel-smelting sewage sludge by filter press, and the clear water recycling after press filtration, the steel-smelting sewage sludge after press filtration enters
Stock yard is with addition of use.The sludge press filtration pipeline be steel-smelting sewage sludge pretreating process line break down or disposal ability deficiency
When, start standby Treatment of Sludge route.In one embodiment of the present utility model, the sludge press filtration is using route by pressing
Chimney filter road control valve, filter press and sludge are arranged outside, clear water recycling composition, and event occurs in steel-smelting sewage sludge pretreating process line
When barrier or disposal ability deficiency, start standby Treatment of Sludge route, steel-smelting sewage sludge can be introduced to filter press, after press filtration processing,
Clear water recycling, sludge enter stock yard with addition of use.
As a kind of preferably selection of said system, the heating pipe connects with vapours source, on the heating pipe
It is provided with steam pump.The heating tube route steam control valve, heating pipe composition, it is dirty can to introduce steam into sintering from scene
Mud pretreatment pond heats to steel-smelting sewage sludge.
As a kind of preferably selection of said system, cover plate is provided with the sintered sludge pretreatment pond.The lid
Plate can be steel plate.It is empty that the sintered sludge pretreatment pond can receive sludge quantity, sintering digestion amount and scene according to actual day
Between size design determine, covered with steel plate at the top of pond, prevent sludge from splashing secondary pollution.
The sewage sludge sintering pipeline can consume sludge quantity, site space size, transportation range according to actual sintered and design really
It is fixed, made using materials such as thickened steel-tubes, conveying power is slush pump, and at butt-sintering sludge pond end, installation sewage sludge sintering is defeated
Valve is sent, pretreated steel-smelting sewage sludge is stirred by sewage sludge sintering pipeline, it is uniform by sludge nozzle to be mixed into mouth from sintering one
Spray into sinter mixture.
The utility model additionally provides a kind of method for sintering digestion steel-smelting sewage sludge, including：
Directly steel-smelting sewage sludge is delivered directly to sintered sludge pretreatment pond, compression to sludge by defeated pipeline from steel-smelting sewage sludge pond
Compressed gas and vapours are introduced directly into sintered sludge pretreatment pond by gas piping and heating pipeline, and sewage sludge sintering pipeline will
The steel-smelting sewage sludge in sintered sludge pretreatment pond is mixed into mouth from sintering one and uniformly sprayed into sinter mixture.
The utility model is stirred pretreatment to steel-smelting sewage sludge using compressed gas, and it can make sludge components uniform,
And mud granule loose (mud bubble) is set fully to be mixed with sinter mixture.
The common recovery sintering application method of steel-smelting sewage sludge is to enter dispensing after steel-smelting sewage sludge press filtration is handled or tile to arrive
Mix to mix under material heap and use, along the line Frequent Troubles.The utility model overcomes the defects of prior art, and with as follows excellent
Point：
1. being used after steel-smelting sewage sludge pretreatment in sintering directly digestion, recycling cost, and technology trouble rate are reduced
It is greatly reduced.
Switched fast using route with sludge press filtration 2. steel-smelting sewage sludge pre-processes, ensure that sintering production is stably and controllable.
Brief description of the drawings
Fig. 1 is the structure chart of sintering digestion steel-smelting sewage sludge system of the present utility model.
Accompanying drawing identifies：
1st, steel-smelting sewage sludge water pump, 2, sludge conveying valve, 3, inspection hole, 4, pressure gauge, 5, sludge feed opening, 6, sintering it is dirty
Mud pre-processes pond, 7, compressed gas source, 8, compressed gas control total valve, 9, control house steward, 10, control be in charge of, 11, control
Branch pipe, 12, branch tube control flap, 13, steam control valve, 14, heating pipe, 15, moisturizing control valve, 16, water pipe,
17th, sewage sludge sintering conveying valve, 18, sewage sludge sintering pipeline, 19, sintered sludge nozzle, 20, sintering one it is mixed, 21, press filtration pipeline control
Valve processed, 22, filter press, 23, arrange outside sludge, 24, clear water repeat profit, 25, sintered sludge pump.
Embodiment
Embodiment of the present utility model is the following is, it is only used as illustrates rather than limitation to of the present utility model.
Referring to Fig. 1, the system provided by the utility model for being used to sinter digestion steel-smelting sewage sludge, it is directly defeated to be typically include sludge
Pipeline and sintered sludge pretreatment pond 6, wherein：
The sludge is directly provided with steel-smelting sewage sludge water pump 1 on defeated pipeline, the sludge directly locate in advance by defeated pipeline and sintered sludge
Reason pond 6 is connected, and heating pipe 14, compressed gas pipeline and sewage sludge sintering are provided with the sintered sludge pretreatment pond 6
Pipeline 18, the sintered sludge pump 25 are arranged on sewage sludge sintering pipeline 18, and the sintered sludge pipeline 18 is gone back and sintered sludge
Nozzle 19 is connected；The compressed gas pipeline connects with compressed gas source；
Through steel-smelting sewage sludge water pump 1, by sludge, directly defeated pipeline enters sintered sludge pretreatment pond 6 to the steel-smelting sewage sludge, and
It is stirred by the compressed gas pipeline, it heated by heating pipe 14.
The sintered sludge nozzle 19 connects with the entrance of sintering one mixed 20, and the sintering one is mixed into mouth and is known in the art
Trommel mixer of sintering system entrance abbreviation., must be through " one by the set compound worked good as general knowledge
After secondary trommel mixer, secondary trommel mixer " mixes twice, then by being carried out on the uniform cloth of apparatus for distributing to sintering pallet
Igniting sintering.
Directly defeated pipeline can determine the sludge according to actual daily output sludge quantity, site space size, transportation range design, adopt
Made of materials such as thickened steel-tubes, conveying power is steel-smelting sewage sludge water pump, in docking steel-smelting sewage sludge pond end installation sludge conveying
Valve, some inspection holes, pressure gauge are preset in appropriate position of the sludge directly on defeated pipeline, in butt-sintering sludge pretreatment water
Chi Duan installs sludge feed opening, the design of feed opening scarf, prevents sludge from splashing secondary pollution.
As a kind of preferably selection of said system, the sludge is directly provided with sludge conveying valve 2 and is used on defeated pipeline
Control its aperture and switch.
Inspection hole 3 is directly provided with defeated pipeline as said system another preferably selection, the sludge.
Also include water pipe 16, the water pipe and water as said system a kind of preferably selection, the system
Source connects, water pipe moisturizing into sintered sludge pretreatment pond.The water pipe 16 can by recirculated water or
Clear water is added in sintered sludge pretreatment pond；When entrance when making steel stopping production or without sludge, clear water can be used
Or recirculated water is supplemented the water in pond.
As a kind of preferably selection of said system, the compressed gas pipeline includes compressed gas control total valve 8, control
House steward 9 processed, several controls are in charge of 10, several branch pipes 11 and branch tube control flap 12, and pressure is provided with the control house steward 9
Contracting gas controls total valve 8, and it is the branch pipeline drawn on control house steward 9 that the control, which is in charge of 10, and the branch pipe 11 is to control
System is in charge of the bye-pass drawn on 10, and the branch tube control flap 12 is arranged on branch pipe.The compressed gas can use nitrogen,
Compressed air etc. is used as gas source.Compressed gas control total valve is opened, compressed gas is by controlling house steward 9 to be in charge of into control
10th, branch pipe 11；Corresponding branch tube control flap 12 is opened according to the actual requirements, and compressed gas enters sintered sludge by corresponding branch pipe
Pretreatment pond is stirred operation.Depending on the number that the control is in charge of can be according to field condition, 3-5 can be such as set
It is individual.
Also include sludge press filtration pipeline, the sludge press filtration pipe as said system a kind of preferably selection, the system
Directly defeated pipeline connects with the sludge on road, and the sludge press filtration pipeline is additionally provided with filter press 22 and press filtration pipe-line control valve door
21.Sludge press filtration can be handled steel-smelting sewage sludge by filter press 22, the clear water recycling after press filtration, and the steel-making after press filtration is dirty
Mud enters stock yard with addition of use.The sludge press filtration pipeline is to break down or handle energy in steel-smelting sewage sludge pretreating process line
During power deficiency, the Treatment of Sludge route of standby startup.The sludge press filtration is using route by press filtration pipe-line control valve door 21, press filtration
The composition of 23, clear water recycling 24 is arranged outside machine 22 and sludge, is broken down or disposal ability in steel-smelting sewage sludge pretreating process line
When insufficient, start standby Treatment of Sludge route, steel-smelting sewage sludge can be introduced to filter press, after press filtration processing, clear water recycling,
Sludge enters stock yard with addition of use.
Connected as said system a kind of preferably selection, the heating pipe 14 with vapours source, the heating pipe
On be provided with steam pump.The heating tube route steam control valve 13, heating pipe composition, can introduce steam into burning from scene
Knot sludge pretreatment pond heats to steel-smelting sewage sludge.
As a kind of preferably selection of said system, cover plate is provided with the sintered sludge pretreatment pond.The lid
Plate can be steel plate.It is empty that the sintered sludge pretreatment pond can receive sludge quantity, sintering digestion amount and scene according to actual day
Between size design determine, covered with steel plate at the top of pond, prevent sludge from splashing secondary pollution.
The sewage sludge sintering pipeline can consume sludge quantity, site space size, transportation range according to actual sintered and design really
It is fixed, made using materials such as thickened steel-tubes, conveying power is slush pump, and at butt-sintering sludge pond end, installation sewage sludge sintering is defeated
Valve is sent, pretreated steel-smelting sewage sludge is stirred by sewage sludge sintering pipeline, it is uniform by sludge nozzle to be mixed into mouth from sintering one
Spray into sinter mixture.
The utility model method be the following is in 3*105m2Application in sintering system, the sintering system can daily consumption steel-making
Sludge 50-100 tons, specific embodiment of the present utility model is further illustrated with reference to Fig. 1.
Fig. 1 is referred to, it illustrates one kind to sinter digestion steel-smelting sewage sludge system, and the system includes successively from left to right：
1) sludge directly defeated pipeline.Conveyance conduit φ 108X6 seamless steel pipes, pipeline overall length is about 1.5km, and conveying power is still
The vertical water pump of steel-smelting sewage sludge pump house：Flow 100m3/h, lift 31m.In docking steel-smelting sewage sludge pond end installation sludge transfer valve
Door；Inspection hole, a pressure gauge directly are preset at interval of 150m on defeated pipeline in sludge, obvious pressure difference occurs in course of conveying
Judge line clogging, need to stop conveying and checking desilting in time；Sludge blanking is installed at butt-sintering sludge pretreatment pond end
Mouthful, the vertical 30 ° of angles scarf design of feed opening, prevent sludge from splashing secondary pollution.
2) sintered sludge pretreatment pond.5 meters of a diameter is being dug close to the mixed place of sintering one, deep 4 meters cesspool, is being held
Product 78.5m3,0.4 meter from the ground of pond top, top is covered with steel plate, prevents sludge from splashing secondary pollution.
3) compressed gas pipeline.Employ nitrogen as gas source, by 1 control total valve, 1 φ 80 control house steward, 3
φ 80 controls to be in charge of is in charge of the branch pipes of φ 20 at interval of 800 millimeters of extractions, 18 branch tube control flap compositions with 18, opens control
Total valve processed, nitrogen is by controlling house steward to be in charge of into control, branch pipe；Corresponding branch tube control flap is opened according to the actual requirements,
Compressed gas enters sintered sludge by corresponding branch pipe and pre-processed in pond enters, using nitrogen pressure initiation kinetic energy to pond
Interior steel-smelting sewerage is stirred.
4) pipeline is heated.It is made up of steam control valve, heating pipe, the jet chimneys of φ 80 is drawn from scene, by steam
Sintered sludge pretreatment pond is introduced to heat steel-smelting sewage sludge.
5) water pipe.Water pipe is made up of moisturizing control valve, moisturizing pipeline, can be introduced recirculated water from scene and be burnt
Sludge pretreatment pond is tied, makes steel available cycles water supplement when stopping production no sludge or few input.
6) sewage sludge sintering pipeline.Two horizontal centrifugals are set beside pond and look into stock pump, the straight 108mm of unit fixed on water pump suction.Go out
80mm, power of motor 22kW. are as conveying power the using and the reserved；Sewage sludge sintering transfer valve is installed at butt-sintering sludge pond end
Door；Conveyance conduit is made using seamless steel pipe, pipeline overall length is about 50m；Stir pretreated steel-smelting sewage sludge and pass through sludge
Pipeline is sintered, be mixed into mouth from sintering one uniformly sprays into sinter mixture by sludge nozzle (uniform 10mm spaced-apart sidewalls perforate)
In.
Sintering digestion steel-smelting sewage sludge system of the present utility model also uses route including sludge press filtration, and it is by press filtration pipeline control
Arrange outside valve, filter press and sludge processed, clear water recycling pipeline composition, break down in steel-smelting sewage sludge pretreating process line or
During disposal ability deficiency, start standby Treatment of Sludge route, steel-smelting sewage sludge can be introduced to filter press, after press filtration processing, clear water
Recycling, sludge enter stock yard with addition of use.
The utility model additionally provides a kind of method for sintering digestion steel-smelting sewage sludge, including：
Directly steel-smelting sewage sludge is delivered directly to sintered sludge pretreatment pond, compression to sludge by defeated pipeline from steel-smelting sewage sludge pond
Compressed gas and vapours are introduced directly into sintered sludge pretreatment pond by gas piping and heating pipeline, and sewage sludge sintering pipeline will
The steel-smelting sewage sludge in sintered sludge pretreatment pond is mixed into mouth from sintering one and uniformly sprayed into sinter mixture.
The utility model is directly entered a trommel mixer after steel-smelting sewage sludge is stirred, no longer in the usual way first from
The material stage enters compound, and the direct digestion for realizing sludge uses；Break down or locate in steel-smelting sewage sludge pretreating process line
When managing scarce capacity, start siding, dispensing stage (stock yard is with addition of use) is entered after press filtration, can prevent from stirring irregular dirt
Mud causes failures such as " pallet grid section paste are stifled, motor burning " to occur into sintered production line, and then can ensure sintering life
Produce stably and controllable.
It should be noted last that above example is only illustrating the technical solution of the utility model and unrestricted.To the greatest extent
The utility model is described in detail with reference to embodiment for pipe, it will be understood by those within the art that, to this practicality
New technical scheme is modified or equivalent substitution, without departure from the spirit and scope of technical solutions of the utility model, its
It all should cover among right of the present utility model.
Claims (4)
1. a kind of system for being used to sinter digestion steel-smelting sewage sludge, including directly defeated pipeline and sintered sludge pre-process pond to sludge, its
In：
The sludge is directly provided with steel-smelting sewage sludge water pump on defeated pipeline, directly defeated pipeline and sintered sludge pre-process pond to the sludge
Connection, the sintered sludge pre-process in pond and are provided with heating pipe, compressed gas pipeline and sewage sludge sintering pipeline, the burning
Knot sludge pump is arranged on sewage sludge sintering pipeline, and the sintered sludge pipeline is connected with sintered sludge nozzle；The compressed gas
Pipeline connects compressed gas source.
2. the system according to claim 1 for being used to sinter digestion steel-smelting sewage sludge, it is characterised in that：The system also includes
Water pipe, the water pipe connect with water source, water pipe moisturizing into sintered sludge pretreatment pond.
3. the system according to claim 1 for being used to sinter digestion steel-smelting sewage sludge, it is characterised in that：The compressed gas tube
Road includes compressed gas control total valve, control house steward, several controls are in charge of, several branch pipes and branch tube control flap, institute
To state and compressed gas control total valve is provided with control house steward, the branch pipeline to be drawn on control house steward is in charge of in the control,
To be in charge of the bye-pass drawn in control, the branch tube control flap is arranged on branch pipe the branch pipe.
4. the system according to claim 1 for being used to sinter digestion steel-smelting sewage sludge, it is characterised in that：The system also includes
Directly defeated pipeline is connected for sludge press filtration pipeline, the sludge press filtration pipeline and the sludge, and the sludge press filtration pipeline is additionally provided with
Filter press and press filtration pipe-line control valve door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720537193.3U CN206872890U (en) | 2017-05-12 | 2017-05-12 | One kind is used to sinter digestion steel-smelting sewage sludge system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720537193.3U CN206872890U (en) | 2017-05-12 | 2017-05-12 | One kind is used to sinter digestion steel-smelting sewage sludge system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206872890U true CN206872890U (en) | 2018-01-12 |
Family
ID=61339656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720537193.3U Expired - Fee Related CN206872890U (en) | 2017-05-12 | 2017-05-12 | One kind is used to sinter digestion steel-smelting sewage sludge system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206872890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012319A (en) * | 2017-05-12 | 2017-08-04 | 山东钢铁股份有限公司 | One kind is used to sinter digestion steel-smelting sewage sludge system and method |
-
2017
- 2017-05-12 CN CN201720537193.3U patent/CN206872890U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012319A (en) * | 2017-05-12 | 2017-08-04 | 山东钢铁股份有限公司 | One kind is used to sinter digestion steel-smelting sewage sludge system and method |
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Granted publication date: 20180112 |