CN107840515A - Slag and grey water treatment system - Google Patents
Slag and grey water treatment system Download PDFInfo
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- CN107840515A CN107840515A CN201711188486.6A CN201711188486A CN107840515A CN 107840515 A CN107840515 A CN 107840515A CN 201711188486 A CN201711188486 A CN 201711188486A CN 107840515 A CN107840515 A CN 107840515A
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- grey water
- treatment system
- flashing
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- 239000002893 slag Substances 0.000 title claims abstract description 67
- 239000010797 grey water Substances 0.000 title claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000002309 gasification Methods 0.000 claims abstract description 43
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 27
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 27
- 238000005406 washing Methods 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000004064 recycling Methods 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 41
- 238000001704 evaporation Methods 0.000 claims description 17
- 230000008020 evaporation Effects 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 14
- 238000005352 clarification Methods 0.000 claims description 12
- 239000002912 waste gas Substances 0.000 claims description 10
- 238000004062 sedimentation Methods 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 3
- 238000005201 scrubbing Methods 0.000 claims description 3
- 238000009738 saturating Methods 0.000 claims description 2
- 239000003245 coal Substances 0.000 abstract description 15
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000010866 blackwater Substances 0.000 abstract 3
- 238000006392 deoxygenation reaction Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000013505 freshwater Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000007115 recruitment Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/06—Flash evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention provides a slag and grey water treatment system, which belongs to the technical field of coal gasification and is used for solving the problem that the traditional slag and grey water treatment system cannot reasonably utilize flash steam to cause waste of water resources and energy, and the slag and grey water treatment system comprises: the traditional slag and grey water treatment system is used for recycling black water output by the gasification and synthesis gas washing system; and the hydraulic turbine system is connected between the gasification and synthesis gas washing system and the traditional slag and grey water treatment system and is used for recovering the pressure energy of the black water and converting the pressure energy of the black water into kinetic energy so as to convey the process water recovered and treated by the traditional slag and grey water system back to the gasification and synthesis gas washing system for recycling. The slag and grey water treatment system provided by the invention can achieve the effects of saving energy and reducing consumption.
Description
Technical field
The present invention relates to Coal Gasification Technology field, more particularly to a kind of slag and grey water treatment system.
Background technology
" rich coal, oil starvation, few gas " natural endowment feature and the present situation of Developing Coal Chemical Industry in view of China, in recent years a national side
Face promotes Coal Clean efficiently to utilize and ensure national energy security, has on the other hand formulated amount water and has gone, energy-consuming of keeping under strict control
The Green Development principle of total amount and intensity.
Coal gasification is the gas head of Modern Coal-based Chemical, and Modern Coal-based Chemical is with water large electricity consumer.In coal synthesis ammonia factory
Energy consumption composition in, the energy consumption of coal gasification apparatus (including air separation unit) accounts for more than 85%, and Coal Gasification Technology water consumption is main
It is that coal once gasifies water consumption and the follow-up deep-processing process water consumption of gasification synthesis gas.Therefore, coal gasification is modern coalification
The important component of work water-saving consumption-reduction.
Slag and grey water treatment system play important work during coal gasification realizes energy regenerating, water circulation use
With, be coal gasification important component.The recirculated water of the system consumption accounts for the 70%~80% of whole gasification system, and flashes
The recirculated water of air cooling consumption accounts for more than the 80% of slag and grey water treatment system consumption, and still, there is presently no a kind of effectively way
Footpath carrys out the rational energy for recycling flashed vapour and reduces the use of recirculated water, so as to result in the wave of water resource and energy
Take.
The content of the invention
Flashed vapour can not be rationally utilized in order to solve traditional slag and grey water treatment system, causes the waste of water resource and energy
The problem of, the present invention provides a kind of slag and grey water treatment system, can reclaim the energy of flashed vapour, disappear so as to save recirculated water
Consumption, reaches energy-saving purpose.
A kind of slag and grey water treatment system provided by the invention, including：
Traditional slag and grey water treatment system, for being carried out to the Heisui River of gasification and the output of synthesis gas washing system at recovery
Reason；
Organic rankine cycle system, it is connected with the waste gas outlet of traditional slag and grey water treatment system, for reclaiming profit
With the heat energy in the waste gas of traditional slag and grey water treatment system.
In a kind of specific embodiment, the slag and grey water treatment system also include：
Hydraulic turbine system, it is connected to the gasification and synthesis gas washing system and traditional slag and grey water treatment system
Between, for reclaiming the pressure energy in the Heisui River, the pressure energy in the Heisui River is converted into kinetic energy with by traditional slag and ash
Process water after water treatment system recycling is transmitted back in the gasification and synthesis gas washing system and recycled.
In a kind of specific embodiment, the hydraulic turbine system includes hydraulic turbine and centrifugal pump；
The fluid input port of the hydraulic turbine is connected with the output end of the gasification and synthesis gas washing system, and liquid is defeated
Go out end to be connected with traditional slag and grey water treatment system, energy output end is connected with the control terminal of the centrifugal pump；
The centrifugal pump inlet is connected with the process water output end of traditional slag and grey water treatment system, outlet with it is described
The connection of the water inlet of gasification and synthesis gas washing system.
In a kind of specific embodiment, the organic rankine cycle system includes：Segmented evaporator, screw expansion
Machine, generator, condenser, organic working medium pump；
The thermal source inlet of the segmented evaporator is connected with the waste gas outlet of traditional slag and grey water treatment system, heat
Source outlet connects back to traditional slag and grey water treatment system, and organic working medium output end and the air inlet of the screw expander connect
Connect；The gas outlet of the screw expander is connected with the thermal source inlet of the condenser；The thermal source outlet of the condenser and institute
State the input connection of organic working medium pump；The output end of the organic working medium pump and the organic working medium of the segmented evaporator are defeated
Enter end connection；Control terminal of the screw expander also with the generator is connected.
In a kind of specific embodiment, traditional slag and grey water treatment system, including：Three stages of flashing system, deoxygenation
System, sedimentation clarification system；
The high pressure flash entrance of the three stages of flashing system is connected with the Heisui River output end of the hydraulic turbine system, described
The high pressure flash outlet of three stages of flashing system connects the segmented evaporator high temperature section entrance of the organic rankine cycle system, institute
The segmented evaporator high temperature section outlet for stating organic rankine cycle system connects the low pressure flash entrance of the three stages of flashing system,
The low pressure flash liquid outlet of the three stages of flashing system connects the vacuum flashing entrance of the three stages of flashing system, and the three-level is dodged
The low pressure flash gas outlet of steaming system is connected with the deaerating type of cycles input；The vacuum flashing outlet of the three stages of flashing system
Connect the segmented evaporator low-temperature zone entrance of the organic rankine cycle system, the segmented of the organic rankine cycle system
Evaporator low-temperature zone takes back the three stages of flashing system；The final flashed liquid output end of the three stages of flashing system is sunk with described
The aqueous water input connection of clarification system, the aqueous water output end and the liquid of the deaerating type of cycles of the sedimentation clarification system drop
State water input connects, and the heating pipe entrance of the aqueous water output end of the deaerating type of cycles and the three stages of flashing system connects
Connect, the heating pipe outlet of the three stages of flashing system is connected as process water output end with the hydraulic turbine system.
In a kind of specific embodiment, the Hei Shuibao of the Heisui River output of the gasification and the output of synthesis gas washing system
Include：Gasification burner Heisui River, scrubbing tower Heisui River and cyclone separator Heisui River.
The above-mentioned technical proposal of the present invention has the beneficial effect that：
In such scheme, the used heat flashed vapour of traditional slag and grey water treatment system exclusion is reclaimed using organic Rankine system
Energy, on the one hand reduces the power consumption of whole gasification installation, and while on the other hand reclaiming flashed vapour heat energy, former work is greatly reduced
Skill cools down the circulation water consumption of flashed vapour, indirect saving gasification system fresh water magnitude of recruitment, reaches energy-saving purpose.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of slag provided in an embodiment of the present invention and grey water treatment system；
Fig. 2 is the structural representation of another slag provided in an embodiment of the present invention and grey water treatment system；
Fig. 3 is the structural representation of another slag provided in an embodiment of the present invention and grey water treatment system.
[description of reference numerals]
1st, traditional slag and grey water treatment system, 2, hydraulic turbine system,
3rd, organic rankine cycle system, 4, hydraulic turbine,
5th, centrifugal pump, 6, segmented evaporator,
7th, screw expander, 8, generator,
9th, condenser, 10, organic working medium pump,
11st, three stages of flashing system, 12, sedimentation clarification system,
13rd, deaerating type of cycles.
Embodiment
The embodiment of the present invention provides a kind of slag and grey water treatment system, as shown in figure 1, the system includes traditional slag and buck
Processing system 1 and the organic rankine cycle system 3 being connected with the waste gas outlet of traditional slag and grey water treatment system 1；Wherein, it is traditional
Slag and grey water treatment system 1, for being recycled to the Heisui River of gasification and the output of synthesis gas washing system；Organic Rankine follows
Loop system 3 is used to recycle the heat energy in the waste gas of traditional discharge of slag and grey water treatment system 1.In the prior art, from gas
The Heisui River original technique of change and synthesis gas washing system is sent into three stages of flashing system, the pressure energy quilt in Heisui River after being depressurized by regulating valve
Waste, the scheme that the present embodiment provides can further reclaim traditional slag and grey water process by organic rankine cycle system
The heat energy for the used heat steam that system excludes, the power consumption of whole gasification installation is on the one hand reduced, on the other hand reclaims flashed vapour heat energy
While, it is greatly reduced the circulation water consumption of former technical cooling flashed vapour, indirect saving gasification system fresh water magnitude of recruitment,
Reach energy-saving purpose.
In another specific embodiment, as shown in Figure 2, slag and grey water treatment system provided by the invention also include connection
It is saturating in the gasification and the hydraulic turbine system 2 between synthesis gas washing system and traditional slag and grey water treatment system 1, the fluid power
Flat system 2 is used to reclaim the pressure energy in the Heisui River, by the pressure energy in the Heisui River be converted to kinetic energy with by traditional slag and
Process water after the recycling of grey water treatment system 1, which is transmitted back in gasification and synthesis gas washing system, to be recycled.The present embodiment
In, the pressure energy in Heisui River is reclaimed by hydraulic turbine system 2, pressure energy is converted into kinetic energy by after slag and ash water system recovery
Supplying gas of process water and synthesis gas washing system circulation utilize, and save pressure-reducing valve dosage, simple in construction, equipment cost is low.
Preferably, as shown in Figure 3, hydraulic turbine system 2 can include hydraulic turbine 4 and centrifugal pump 5；Wherein, fluid power
The fluid input port of turbine 4 is connected with the output end of the gasification and synthesis gas washing system, the fluid output port of hydraulic turbine 4
It is connected with traditional slag and grey water treatment system 1, the energy output end of hydraulic turbine 4 is connected with the control terminal of centrifugal pump 5；Centrifugal pump
5 entrance is connected with the process water output end of traditional slag and grey water treatment system 1, the outlet of centrifugal pump 5 and the gasification and conjunction
Water inlet into gas washing system connects.In the present embodiment, the pressure energy in Heisui River is reclaimed by hydraulic turbine 4, pressure energy is turned
Be changed to kinetic energy driving centrifugal pump 5, centrifugal pump 5 slag and ash water system are reclaimed after supplying gas of process water and synthesis gas washing system
Recycle.It is easy to operate simple, the quantity of system pressure-reducing valve is reduced, reduces equipment cost.
Preferably, as shown in Figure 3, organic rankine cycle system 3 can include：Segmented evaporator 6, screw expander
7th, generator 8, condenser 9, organic working medium pump 10；Wherein, the thermal source inlet of segmented evaporator 6 and traditional slag and grey water process
The waste gas outlet connection of system 1, thermal source outlet connect back to traditional slag and grey water treatment system 1, organic working medium output end and screw rod
The air inlet connection of expanding machine 7；The gas outlet of screw expander 7 is connected with the thermal source inlet of condenser 9；The thermal source of condenser 9
Outlet is connected with the input of organic working medium pump 10；The output end of organic working medium pump 10 and the organic working medium of segmented evaporator 6
Input connects；Control terminal of the screw expander 7 also with generator 8 is connected.In the present embodiment, traditional slag and grey water treatment system
Heat exchange is carried out with organic working medium in 1 waste gas input segmented evaporator 6, after organic working medium absorbs the heat in waste hot steam
Evaporation, the organic working medium after evaporation are done work in screw expander 7, drive generator 8 to generate electricity, the last condensed device of organic working medium
Stage evaporation device 1 is sent back to by organic working medium pump 10 after 9 condensations, completes a circulation.
Preferably, as shown in Figure 3, traditional slag and grey water treatment system 1 can include：Three stages of flashing system 11, deoxygenation
System 13, sedimentation clarification system 12；Wherein, the Heisui River of the high pressure flash entrance of three stages of flashing system 11 and hydraulic turbine 4 exports
End connection, the first heat exchange tube inlet of the high pressure flash outlet connection organic rankine cycle system 3 of three stages of flashing system 11 are organic
The low pressure flash entrance of the first heat transfer tube outlet connection three stages of flashing system 11 of Rankine cycle system 3, i.e.,：Three stages of flashing system
After the Heisui River that 11 pairs of hydraulic turbines 4 export carries out high pressure flash, the first of high pressure flash vapour input organic rankine cycle system 3 changes
Heat pipe (such as high temperature evaporation section of the stage evaporation device of organic rankine cycle system 3) carries out heat exchange, by high pressure flash vapour
Heat is used to heat the organic working medium in organic rankine cycle system 3, and subsequent high pressure flash vapour is changed into liquid and enters low pressure flash
Section.The low pressure flash liquid outlet of three stages of flashing system 11 connects the vacuum flashing entrance of the three stages of flashing system, three stages of flashing
The low pressure flash gas outlet of system 11 is connected with the input of deaerating type of cycles 13, i.e.,：Low pressure flash section is to high pressure flash with having
Output stream after the heat exchange of machine Rankine cycle system 3 carries out low pressure flash, obtained low pressure flash gases input deaerating type of cycles
13 carry out deoxygenation, and the liquid of low pressure flash output then inputs vacuum flashing section.The vacuum flashing outlet of three stages of flashing system 11 connects
The second heat exchange tube inlet of organic rankine cycle system 3 is connect, the second heat transfer tube outlet of organic rankine cycle system 3 takes back three-level
Flash system 11, i.e.,：Second heat exchanger tube (example of vacuum flashing vapour input organic rankine cycle system 3 caused by vacuum flashing section
Such as the low-temperature evaporation section of the stage evaporation device of organic rankine cycle system 3) heat exchange is carried out, the heat of vacuum flashing vapour is used for
Organic working medium in further heating evaporation organic rankine cycle system 3.The final flashed liquid output of three stages of flashing system 11
Hold and be connected with settling the aqueous water input of clarification system 12, so that the liquid of vacuum flashing section output enters sedimentation clarification system
12 are settled.The aqueous water output end of sedimentation clarification system 12 is connected with the aqueous water input of deaerating type of cycles 13, deoxygenation system
The aqueous water output end of system 11 is connected with the heating pipe entrance of three stages of flashing system 11, the heating pipe of three stages of flashing system 11
Outlet is connected as process water output end with hydraulic turbine system 2, i.e.,：The treated aqueous water that deaerating type of cycles 11 exports passes through
Output sends gasification and synthesis gas washing back to hydraulic turbine system 2, and by hydraulic turbine system 2 after three stages of flashing system 11 heats
System is recycled.
Preferably, the Heisui River of the Heisui River output of the gasification and the output of synthesis gas washing system includes：Gasification burner Heisui River, wash
Wash tower Heisui River and cyclone separator Heisui River.
Illustrate slag and grey water treatment system provided in an embodiment of the present invention below by specific embodiment.
Embodiment one
As shown in Figure 3, the gasification furnace Heisui River, scrubbing tower Heisui River and cyclonic separation of autopneumatolysis and synthesis gas washing system are come
Device Heisui River is after hydraulic turbine 4, into three stages of flashing system 11.High sudden strain of a muscle gas, the true gas that dodges after flash distillation respectively enter stage evaporation
Device 6, the true low-temperature evaporation section dodged gas and enter stage evaporation device 6, height dodges gas and enters the high temperature evaporation section of stage evaporation device 6, for having
The evaporation of machine working medium.Go out the organic working medium steam of stage evaporation device 6 expansion work, pushing generator 8 in screw expander 7 to send out
Electricity.Go out the organic working medium exhaust steam of screw expander 7 in condenser 9 by circulating water into after liquid, through organic working medium pump 10
Stage evaporation device 6 is sent, completes an organic Rankine bottoming cycle.
Liquid after three stages of flashing send sedimentation clarification system 12, deaerating type of cycles 13 successively, and send three stages of flashing system 11
After heating, centrifugal pump 5 is driven to send the process water that traditional slag and grey water treatment system reclaim back to gasification and synthesize by hydraulic turbine 4
Gas washing system circulation utilizes.
The embodiment of the present invention employs hydraulic turbine and the energy of screw expander recovery, on the one hand reduces whole gasification dress
The power consumption put, while on the other hand reclaiming flashed vapour heat energy, the circulation water consumption of former technical cooling flashed vapour is greatly reduced,
Indirect saving gasification system fresh water magnitude of recruitment, reaches energy-saving purpose.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of slag and grey water treatment system, it is characterised in that including：
Traditional slag and grey water treatment system, for being recycled to the Heisui River of gasification and the output of synthesis gas washing system；
Organic rankine cycle system, it is connected with the waste gas outlet of traditional slag and grey water treatment system, for recycling
State the heat energy in the waste gas of traditional slag and grey water treatment system.
2. slag as claimed in claim 1 and grey water treatment system, it is characterised in that the slag and grey water treatment system also wrap
Include：
Hydraulic turbine system, be connected to the gasification and synthesis gas washing system and traditional slag and grey water treatment system it
Between, for reclaiming the pressure energy in the Heisui River, the pressure energy in the Heisui River is converted into kinetic energy with by traditional slag and buck
Process water after processing system recycling is transmitted back in the gasification and synthesis gas washing system and recycled.
3. slag as claimed in claim 2 and grey water treatment system, it is characterised in that it is saturating that the hydraulic turbine system includes fluid power
Gentle centrifugal pump；
The fluid input port of the hydraulic turbine is connected with the output end of the gasification and synthesis gas washing system, fluid output port
It is connected with traditional slag and grey water treatment system, energy output end is connected with the control terminal of the centrifugal pump；
The centrifugal pump inlet is connected with the process water output end of traditional slag and grey water treatment system, outlet and the gasification
And the water inlet connection of synthesis gas washing system.
4. slag as claimed in claim 1 and grey water treatment system, it is characterised in that the organic rankine cycle system includes：
Segmented evaporator, screw expander, generator, condenser, organic working medium pump；
The thermal source inlet of the segmented evaporator is connected with the waste gas outlet of traditional slag and grey water treatment system, and thermal source goes out
Mouth connects back to traditional slag and grey water treatment system, and organic working medium output end is connected with the air inlet of the screw expander；
The gas outlet of the screw expander is connected with the thermal source inlet of the condenser；The thermal source outlet of the condenser has with described
The input connection of machine working medium pump；The output end of the organic working medium pump and the organic working medium input of the segmented evaporator
Connection；Control terminal of the screw expander also with the generator is connected.
5. slag as claimed in claim 4 and grey water treatment system, it is characterised in that traditional slag and grey water treatment system,
Including：Three stages of flashing system, deaerating type of cycles, sedimentation clarification system；
The high pressure flash entrance of the three stages of flashing system is connected with the Heisui River output end of the hydraulic turbine system, the three-level
The high pressure flash outlet of flash system connects the segmented evaporator high temperature section entrance of the organic rankine cycle system, described to have
The segmented evaporator high temperature section outlet of machine Rankine cycle system connects the low pressure flash entrance of the three stages of flashing system, described
The low pressure flash liquid outlet of three stages of flashing system connects the vacuum flashing entrance of the three stages of flashing system, the three stages of flashing system
The low pressure flash gas outlet of system is connected with the deaerating type of cycles input；The vacuum flashing outlet connection of the three stages of flashing system
The segmented evaporator low-temperature zone entrance of the organic rankine cycle system, the segmented evaporation of the organic rankine cycle system
The outlet of device low-temperature zone takes back the three stages of flashing system；The final flashed liquid output end of the three stages of flashing system is sunk with described
The aqueous water input connection of clarification system, the aqueous water output end and the liquid of the deaerating type of cycles of the sedimentation clarification system drop
State water input connects, and the heating pipe entrance of the aqueous water output end of the deaerating type of cycles and the three stages of flashing system connects
Connect, the heating pipe outlet of the three stages of flashing system is connected as process water output end with the hydraulic turbine system.
6. slag as claimed in claim 1 and grey water treatment system, it is characterised in that the gasification and synthesis gas washing system are defeated
The Heisui River of the Heisui River output gone out includes：Gasification burner Heisui River, scrubbing tower Heisui River and cyclone separator Heisui River.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711188486.6A CN107840515A (en) | 2017-11-24 | 2017-11-24 | Slag and grey water treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711188486.6A CN107840515A (en) | 2017-11-24 | 2017-11-24 | Slag and grey water treatment system |
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| CN107840515A true CN107840515A (en) | 2018-03-27 |
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ID=61680100
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|---|---|---|---|
| CN201711188486.6A Pending CN107840515A (en) | 2017-11-24 | 2017-11-24 | Slag and grey water treatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111287817A (en) * | 2020-04-03 | 2020-06-16 | 南京天加热能技术有限公司 | Organic Rankine cycle power generation system for recycling black water flash steam waste heat |
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