CN209442847U - A kind of mud evaporation drying steam decontamination system based on increasing steam turbine - Google Patents
A kind of mud evaporation drying steam decontamination system based on increasing steam turbine Download PDFInfo
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- CN209442847U CN209442847U CN201821619530.4U CN201821619530U CN209442847U CN 209442847 U CN209442847 U CN 209442847U CN 201821619530 U CN201821619530 U CN 201821619530U CN 209442847 U CN209442847 U CN 209442847U
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Abstract
A kind of mud evaporation drying steam decontamination system based on increasing steam turbine, including power boiler, level-one mud drying machine, flash evaporator, secondary sludge drying machine；The steam pipeline (trace) of the power steam pipeline connection level-one mud drying machine of power boiler；The condensation side cavity of the flash-off steam pipeline access flash evaporator of level-one mud drying machine；The evaporation side cavity of flash evaporator accesses the steam pipeline (trace) of secondary sludge drying machine by pipeline；Condensation side cavity, the evaporation side cavity of flash evaporator are mutually isolated；The consumption of high parameter power steam can be reduced, mud energy consumption for drying and cost are reduced；It is dry for next stage mud to generate clean flash-off steam, it is reliable for operation.
Description
Technical field
The utility model belongs to mud desiccation field, is related to a kind of based on the mud evaporation drying steam decontamination system for increasing steam turbine
System.
Background technique
China's industrial wastewater and town domestic sewage total emission volumn have been more than 62,000,000,000 tons at present, if all handled,
So, will generate amount of sludge (dry weight) is 8,400,000 tons, accounts for the 3.2% of China's total solid waste.Such huge amount of sludge,
In storage, processing, transportational process, a large amount of human and material resources can be consumed, therefore sludge treatment problem will be more and more prominent.
What content was most in mud is water, up to 90% or more of gross mass.The dehydration of mud is the key that sludge treatment
Technique.The traditional treatment method of mud has: mud concentration, mud conditioning, sludge dewatering, dry and incineration.Wherein, it dries and burns
Change the deep dehydration for belonging to mud, more commonly used and practical is heated drying technology.
Whether be in contact with mud according to thermal medium, existing mud heated drying technology can be divided into two classes: directly heat is dry
Dry technology and Indirect thermal drying technology.
Direct heated drying technology, thermal medium (hot-air, combustion gas or steam etc.) are directly contacted with mud, thermal medium low-speed flow
Mud is crossed, absorbs the moisture in mud in the process, dry mud that treated need to be separated with thermal medium.
Indirect thermal drying technology, thermal medium are not in contact with mud, but contact the heat to wet mud by heat exchanger,
The moisture in mud is set to evaporate, thus thermal medium is not limited only to gas, it is also possible to the liquid such as conduction oil, while thermal medium
The process that subsequent thermal medium is separated with dry mud will not be eliminated by the pollution of mud.
During Indirect thermal drying, the vapor that is evaporated out from mud, it is possible to carry the nocuousness in mud
Solid particle or harmful escaping gas.This part vapor, if aspirated by increasing steam turbine, steam turbine will be increased by, which being bound to, is moved
Power steam contamination.After contaminated steam is cooling, recycle stream back boiler pollutes boiler water quality.
Utility model content
The purpose of this utility model is to provide a kind of based on the mud evaporation drying steam decontamination system for increasing steam turbine, to go
Except the pollutant in the steam generated in mud drying process carries.Content is as follows:
It is a kind of based on increase steam turbine mud evaporation drying steam decontamination system, including power boiler, level-one mud drying machine,
Flash evaporator, secondary sludge drying machine；It is characterized in that, the power steam pipeline of power boiler connects level-one mud drying machine
Steam pipeline (trace)；The condensation side cavity of the flash-off steam pipeline access flash evaporator of level-one mud drying machine；Flash distillation is steamed
The evaporation side cavity for sending out device accesses the steam pipeline (trace) of secondary sludge drying machine by pipeline；The condensation side chamber of flash evaporator
Room, evaporation side cavity are mutually isolated.
Further, it is additionally provided with level-one steam and increases steam turbine system, the power steam pipeline of power boiler is also connected with level-one
Steam increases the power steam entrance of steam turbine system, and the suction steam ports that level-one steam increases steam turbine system connects the sudden strain of a muscle of level-one mud drying machine
Jet chimney is steamed, level-one steam increases the condensation side cavity of the steam drain access flash evaporator of steam turbine system.
Further, it is additionally provided with second steam and increases steam turbine system, the power steam pipeline of power boiler is also connected with second level
Steam increases the power steam entrance of steam turbine system, and the suction steam ports that second steam increases steam turbine system connects flash evaporator evaporation side chamber
The flash-off steam pipeline of room, second steam increase the steam pipeline (trace) of the steam drain access secondary sludge drying machine of steam turbine system.
Further, level-one mud drying machine, secondary sludge drying machine become silted up after being separately connected mud conveyance conduit and drying
Mud conveyance conduit.
Further, flash evaporator condensation side cavity's drain water piping is connected with treatment tank.
Further, flash evaporator evaporation side cavity connects clean cistern outlet conduit, evaporates side cavity's drain water piping
It is connect with clean cistern water return pipeline.
Further, clean cistern evaporates the atomizer being arranged in side cavity by piping connection flash evaporator.
Further, flash evaporator uses plate-type heat exchange structure or shell and tube pipe heat structure；Flash evaporator evaporation side
Using positive pressure flash distillation or vacuum flash.
It further, further include flash-off steam condenser system, the flash-off steam pipeline of secondary sludge drying machine, which connects, to be dodged
The air intake of steam condenser system is steamed, the drain water piping of flash-off steam condenser system accesses water reclamation system, then accesses dynamic
Power boiler.
Further, flash-off steam condenser and flash evaporator, which also configure, is connected with vacuum pump.
Compared with prior art, the utility model has the beneficial effects that
1, the low pressure that using steam as the mud Indirect thermal drying anhydration system of heat medium, drying machine is evaporated is saturated
Flash-off steam energy is recycled, and is supplemented in heating steam, on the one hand can be reduced the consumption of high parameter power steam, be subtracted
Few boiler (power steam system) coal consumption, on the other hand can reduce mud energy consumption for drying and cost.2, pass through flash evaporator,
The flash-off steam waste heat of mud drying machine is recycled, and it is dry for next stage mud to generate clean flash-off steam
Machine.Equipment change amount is little, but energy-saving effect is significant, reliable for operation.
Detailed description of the invention
Fig. 1 is based on the mud evaporation drying steam decontamination system schematic diagram for increasing steam turbine；
Wherein, 1 power boiler, 2 level-one mud drying machines, 3 level-one steam increase steam turbine system, 4 flash evaporators, 5 second levels
Steam increasing steam turbine system, 6 secondary sludge drying machines, 7 condensers, 8 water reclamation systems, 9 treatment tanks, 10 clean cisterns, 11
Pipeline, 12 valves, 13 water pumps.
Specific embodiment
The utility model is further described with reference to the accompanying drawing, it should be understood that content described herein is only used for
Description and interpretation the utility model is not used to limit the utility model.
The technical solution of the utility model is not limited by water treatment plant's property.
The technical solution of the utility model is not limited by mud ingredient and water content.
The technical solution of the utility model is not limited by sludge treatment amount.
The technical solution of the utility model, the limitation of the road Bu Shouge steam parameter.
The technical solution of the utility model is not limited by condenser cooling medium.
Embodiment: based on the mud anhydration system for increasing steam turbine, including power boiler 1, level-one mud drying machine 2, one
Grade steam increases steam turbine system 3, flash evaporator 4, and second steam increases steam turbine system 5, secondary sludge drying machine 6, condenser 7.It steams
Vapour heated type mud dryer system is separately connected mud conveyance conduit (not shown) after mud conveyance conduit and drying；
The steam pipeline (trace) of the power steam pipeline connection level-one mud drying machine 2 of boiler power steam system；Boiler power steam
The power steam pipeline of system is also connected with the power steam entrance that level-one steam increases steam turbine system 3, and level-one steam increases steam turbine system 3
Suction steam ports connect the flash-off steam pipeline of level-one mud drying machine 2, suction flash-off steam recycles thermal energy, is increased by steam
Steam turbine system continues on for mud dryer system；The steam drain that level-one steam increases steam turbine system 3 accesses flash evaporator 4.
The power steam that the power steam pipeline of boiler power steam system is also connected with second steam increasing steam turbine system 5 enters
Mouthful, the suction steam ports that second steam increases steam turbine system 5 connects the flash-off steam pipeline of flash evaporator 4, and second steam increases steam turbine system
The steam pipeline (trace) of the steam drain connection secondary sludge drying machine 6 of system 5；
The air intake of the flash-off steam pipeline connection flash-off steam condenser system 7 of secondary sludge drying machine 6, steam heating
The unused extra flash-off steam of formula mud dryer system is sent to flash-off steam condenser system 7 and is cooled down；Flash distillation is steamed
The drain water piping of vapour condenser system 7 accesses water reclamation system, then accesses boiler (power steam system) system.
Flash evaporator 4 accesses the steam discharge of level-one steam increasing steam turbine system 3 as heating steam, heats steam due to wherein
Comprising the flash-off steam from level-one mud drying machine 2, the hazardous solid particle in mud or harmful volatility are carried
Gas.Be divided into two isolation chambers using plate-type heat-exchange pipe in flash evaporator 4, heating steam enter wherein condensation side cavity into
After row heat release, condensate enters treatment tank 9 and carries out subsequent processing；It evaporates side cavity and connects clean cistern 10, cleaning therein
Water enters the atomizer being arranged in another chamber by pipeline, and clean water is uniformly sprayed onto plate-type heat-exchange pipe, then
Flow downward in the form of a film along plate-type heat-exchange pipe, part clean water absorption condensation latent heat of the steam and evaporate, it is unevaporated clean
Water purification continues cycling through utilization by recycling pumped back clean cistern.By flash evaporator 4, by the sudden strain of a muscle of level-one mud drying machine 2
It steams steam waste heat to be recycled, and generates clean flash-off steam and increase steam turbine system 5 and secondary sludge for second steam
Drying machine 6.
Flash evaporator can be plate-type heat exchange structure, be also possible to shell and tube pipe heat structure.Flash evaporator evaporation side
Either positive pressure flashes, it is also possible to vacuum flash.
Chopped-off head increases steam turbine, the secondary steam turbine that increases can be set as needed by more increasing steam turbine parallel runnings.
Flash-off steam condenser system 7: including flash-off steam condenser, condenser air intake connects flash-off steam pipeline, coagulates
Vapour device is also connected with drain water piping, condenser cooling water pipeline；Drain water piping accesses boiler (power steam system) system, condenser
Cooling water pipeline accesses cooling water recirculation system.Flash-off steam condenser and flash evaporator, which also configure, is connected with vacuum pump, uses
In the on-condensible gas that suction wherein contains.
Finally, it should be noted that being not intended to limit the utility model the foregoing is merely the explanation of the utility model, to the greatest extent
The utility model is described in detail in pipe, for those skilled in the art, can still be remembered to aforementioned
The technical solution of load is modified or equivalent replacement of some of the technical features.All spirit in the utility model
Within principle, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of based on the mud evaporation drying steam decontamination system for increasing steam turbine, including power boiler, level-one mud drying machine, sudden strain of a muscle
Steam evaporator, secondary sludge drying machine；It is characterized in that, the power steam pipeline connection level-one mud drying machine of power boiler
Steam pipeline (trace)；The condensation side cavity of the flash-off steam pipeline access flash evaporator of level-one mud drying machine；Flash vaporization
The evaporation side cavity of device accesses the steam pipeline (trace) of secondary sludge drying machine by pipeline；The condensation side chamber of flash evaporator
Room, evaporation side cavity are mutually isolated.
2. according to claim 1 based on the mud evaporation drying steam decontamination system for increasing steam turbine, which is characterized in that also set
It is equipped with level-one steam and increases steam turbine system, the power steam pipeline of power boiler is also connected with the power steaming that level-one steam increases steam turbine system
Vapour entrance, the suction steam ports that level-one steam increases steam turbine system connect the flash-off steam pipeline of level-one mud drying machine, and level-one steam increases
The condensation side cavity of the steam drain access flash evaporator of steam turbine system.
3. according to claim 1 based on the mud evaporation drying steam decontamination system for increasing steam turbine, which is characterized in that also set
It is equipped with second steam and increases steam turbine system, the power steam pipeline of power boiler is also connected with the power steaming that second steam increases steam turbine system
Vapour entrance, the suction steam ports that second steam increases steam turbine system connect the flash-off steam pipeline of flash evaporator evaporation side cavity, second level
Steam increases the steam pipeline (trace) of the steam drain access secondary sludge drying machine of steam turbine system.
4. according to claim 1 based on the mud evaporation drying steam decontamination system for increasing steam turbine, which is characterized in that level-one
Mud drying machine, secondary sludge drying machine are separately connected mud conveyance conduit after mud conveyance conduit and drying.
5. according to claim 1 based on the mud evaporation drying steam decontamination system for increasing steam turbine, which is characterized in that flash distillation
Evaporator condensation side cavity drain water piping is connected with treatment tank.
6. according to claim 1 based on the mud evaporation drying steam decontamination system for increasing steam turbine, which is characterized in that flash distillation
Evaporator evaporates side cavity and connects clean cistern outlet conduit, and evaporation side cavity's drain water piping and clean cistern water return pipeline connect
It connects.
7. according to claim 6 based on the mud evaporation drying steam decontamination system for increasing steam turbine, which is characterized in that clean
Water tank evaporates the atomizer being arranged in side cavity by piping connection flash evaporator.
8. according to claim 1 based on the mud evaporation drying steam decontamination system for increasing steam turbine, which is characterized in that flash distillation
Evaporator uses plate-type heat exchange structure or shell and tube pipe heat structure；Flash evaporator evaporation side is flashed using positive pressure or negative pressure is dodged
It steams.
9. according to claim 1 based on the mud evaporation drying steam decontamination system for increasing steam turbine, which is characterized in that also wrap
Include flash-off steam condenser system, the flash-off steam pipeline connection flash-off steam condenser system of secondary sludge drying machine into vapour
Mouthful, the drain water piping of flash-off steam condenser system accesses water reclamation system, then accesses power boiler.
10. according to claim 9 based on the mud evaporation drying steam decontamination system for increasing steam turbine, which is characterized in that dodge
It steams steam condenser and flash evaporator also configures and is connected with vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821619530.4U CN209442847U (en) | 2018-10-07 | 2018-10-07 | A kind of mud evaporation drying steam decontamination system based on increasing steam turbine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821619530.4U CN209442847U (en) | 2018-10-07 | 2018-10-07 | A kind of mud evaporation drying steam decontamination system based on increasing steam turbine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111423093A (en) * | 2020-05-09 | 2020-07-17 | 江苏天牛环保科技有限公司 | Energy-saving sludge drying system |
| CN112494969A (en) * | 2020-11-10 | 2021-03-16 | 衡阳丰联精细化工有限公司 | Dilute sulfuric acid concentration device and system thereof |
-
2018
- 2018-10-07 CN CN201821619530.4U patent/CN209442847U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111423093A (en) * | 2020-05-09 | 2020-07-17 | 江苏天牛环保科技有限公司 | Energy-saving sludge drying system |
| CN112494969A (en) * | 2020-11-10 | 2021-03-16 | 衡阳丰联精细化工有限公司 | Dilute sulfuric acid concentration device and system thereof |
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