CN207828040U - A kind of slag and grey water treatment system - Google Patents
A kind of slag and grey water treatment system Download PDFInfo
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- CN207828040U CN207828040U CN201721588561.3U CN201721588561U CN207828040U CN 207828040 U CN207828040 U CN 207828040U CN 201721588561 U CN201721588561 U CN 201721588561U CN 207828040 U CN207828040 U CN 207828040U
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- 239000002893 slag Substances 0.000 title claims abstract description 66
- 239000010797 grey water Substances 0.000 title claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000002309 gasification Methods 0.000 claims abstract description 42
- 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 16
- 238000004064 recycling Methods 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims abstract description 7
- 238000011084 recovery Methods 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 45
- 239000007788 liquid Substances 0.000 claims description 26
- 238000001704 evaporation Methods 0.000 claims description 17
- 230000008020 evaporation Effects 0.000 claims description 17
- 238000005352 clarification Methods 0.000 claims description 12
- 238000004062 sedimentation Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 7
- 239000002912 waste gas Substances 0.000 claims description 6
- 238000005201 scrubbing Methods 0.000 claims description 3
- 238000009738 saturating Methods 0.000 claims 1
- 239000003245 coal Substances 0.000 abstract description 15
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract 1
- 238000006392 deoxygenation reaction Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000013505 freshwater Substances 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
- 230000007115 recruitment Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 239000002699 waste material Substances 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
- 238000011161 development Methods 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
-
- 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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- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model provides a kind of slag and grey water treatment system, belongs to Coal Gasification Technology field, for solving the problem of that traditional slag and grey water treatment system rationally can not cause the water resource and energy dissipation, the slag and grey water treatment system to include using flashed vapour：Traditional slag and grey water treatment system are recycled for the Heisui River to gasification and synthesis gas washing system output；Hydraulic turbine system, it is connected between the gasification and synthesis gas washing system and traditional slag and grey water treatment system, the pressure energy in the Heisui River is converted to kinetic energy and is recycled so that the process water after traditional slag and ash water system recovery processing to be transmitted back in the gasification and synthesis gas washing system by the pressure energy for recycling the Heisui River.The utility model offer slag and grey water treatment system can achieve the effect that energy-saving.
Description
Technical field
The utility model is related to Coal Gasification Technology field more particularly to a kind of slags and grey water treatment system.
Background technology
In view of China's " rich coal, oil starvation, few gas " natural endowment feature and the present situation of Developing Coal Chemical Industry, a national side in recent years
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 gas head and the Modern Coal-based Chemical water large electricity consumer of Modern Coal-based Chemical.In coal synthesis ammonia factory
Energy consumption composition in, the energy consumption of coal gasification apparatus (including air separation unit) accounts for 85% or more, 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 recycles
With being the important component of coal gasification.The recirculated water of the system consumption accounts for the 70%~80% of entire gasification system, and flashes
The recirculated water of air cooling consumption accounts for 80% or more of slag and grey water treatment system consumption, and still, there is presently no a kind of effectively ways
Diameter carrys out the rational energy for recycling flashed vapour and reduces the use of recirculated water, so as to cause the wave of water resource and energy
Take.
Utility model content
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 utility model provides a kind of slag and grey water treatment system, the energy of flashed vapour can be recycled, to save recirculated water
Consumption, achievees the purpose that energy-saving.
A kind of slag and grey water treatment system provided by the utility model, including：
Traditional slag and grey water treatment system are carried out for the Heisui River to gasification and synthesis gas washing system output at recycling
Reason；
Organic rankine cycle system is connect with the waste gas outlet of traditional slag and grey water treatment system, for recycling profit
With the thermal energy in the exhaust gas of traditional slag and grey water treatment system.
In a kind of specific embodiment, the slag and grey water treatment system further include：
Hydraulic turbine system is connected to the gasification and synthesis gas washing system and traditional slag and grey water treatment system
Between, the pressure energy in the Heisui River is converted to kinetic energy with by traditional slag and ash by the pressure energy for recycling the Heisui River
Process water after water treatment system recovery processing is transmitted back in the gasification and synthesis gas washing system and recycles.
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 connect with the output end of the gasification and synthesis gas washing system, and liquid is defeated
Outlet is connect with traditional slag and grey water treatment system, and energy output end is connect with the control terminal of the centrifugal pump；
The centrifugal pump inlet connect with the process water output end of traditional slag and grey water treatment system, export 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 connect 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
It connects；The gas outlet of the screw expander is connect with the thermal source inlet of the condenser；The thermal source outlet of the condenser and institute
State the input terminal connection of organic working medium pump；The organic working medium of the output end and the segmented evaporator of the organic working medium pump is defeated
Enter end connection；The screw expander is also connect with the control terminal of the generator.
In a kind of specific embodiment, the tradition 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 connect 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 connect with the deaerating type of cycles input terminal；The vacuum flashing of the three stages of flashing system exports
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 sinks with described
The liquid water input terminal connection of clarification system, the liquid of the liquid water output end and the deaerating type of cycles of the sedimentation clarification system drop
State water input terminal connects, and the liquid water output end of the deaerating type of cycles and the heating pipe entrance of the three stages of flashing system connect
It connects, the heating pipe outlet of the three stages of flashing system is connect 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 synthesis gas washing system output
It includes：Gasification burner Heisui River, scrubbing tower Heisui River and cyclone separator Heisui River.
The above-mentioned technical proposal of the utility model has the beneficial effect that：
In said program, the waste heat flashed vapour that traditional slag and grey water treatment system exclude is recycled using organic Rankine system
Energy, on the one hand reduces the power consumption of entire gasification installation, and while on the other hand recycling flashed vapour thermal energy, former work is greatly reduced
Skill cools down the cycle water consumption of flashed vapour, and indirect saving gasification system fresh water magnitude of recruitment achievees the purpose that energy-saving.
Description of the drawings
Fig. 1 is the structural schematic diagram of a kind of slag that the utility model embodiment provides and grey water treatment system；
Fig. 2 is the structural schematic diagram of another slag and grey water treatment system that the utility model embodiment provides；
Fig. 3 is the structural schematic diagram of another slag and grey water treatment system that the utility model embodiment provides.
[reference sign]
1, traditional slag and grey water treatment system, 2, hydraulic turbine system,
3, organic rankine cycle system, 4, hydraulic turbine,
5, centrifugal pump, 6, segmented evaporator,
7, screw expander, 8, generator,
9, condenser, 10, organic working medium pump,
11, three stages of flashing system, 12, sedimentation clarification system,
13, deaerating type of cycles.
Specific implementation mode
The utility model embodiment provides a kind of slag and grey water treatment system, as shown in Figure 1, the system include traditional slag and
Grey water treatment system 1 and the organic rankine cycle system 3 being connect with the waste gas outlet of traditional slag and grey water treatment system 1；Wherein,
Traditional slag and grey water treatment system 1 are recycled for the Heisui River to gasification and synthesis gas washing system output；It is organic bright
The circulatory system 3 is agreed for recycling the thermal energy in the exhaust gas that traditional slag and grey water treatment system 1 are discharged.In the prior art, come
The Heisui River original technique of autopneumatolysis and synthesis gas washing system is sent into three stages of flashing system, the pressure in Heisui River after being depressurized by regulating valve
It can be wasted, scheme provided in this embodiment can further recycle traditional slag and buck by organic rankine cycle system
On the one hand the thermal energy for the waste heat steam that processing system excludes reduces the power consumption of entire gasification installation, on the other hand recycles flashed vapour
While thermal energy, it is greatly reduced the cycle water consumption of former technical cooling flashed vapour, indirect saving gasification system fresh water is mended
Charge achievees the purpose that energy-saving.
In another specific embodiment, as shown in Figure 2, slag and grey water treatment system provided by the utility model further include
The hydraulic turbine system 2 being connected between the gasification and synthesis gas washing system and traditional slag and grey water treatment system 1, the liquid
Power turbine systems 2 are used to recycle the pressure energy in the Heisui River, and the pressure energy in the Heisui River is converted to kinetic energy with by the tradition
Process water after slag and the recovery processing of grey water treatment system 1, which is transmitted back in gasification and synthesis gas washing system, to be recycled.This reality
It applies in example, the pressure energy in Heisui River is recycled by hydraulic turbine system 2, pressure energy, which is converted to kinetic energy, recycles slag and ash water system
Supplying gas of process water and synthesis gas washing system circulation afterwards utilizes, and saves pressure reducing valve dosage, simple in structure, equipment cost is low.
Preferably, as shown in Figure 3, hydraulic turbine system 2 may include hydraulic turbine 4 and centrifugal pump 5；Wherein, fluid power
The fluid input port of turbine 4 is connect with the output end of the gasification and synthesis gas washing system, the fluid output port of hydraulic turbine 4
It is connect with traditional slag and grey water treatment system 1, the energy output end of hydraulic turbine 4 is connect with the control terminal of centrifugal pump 5；Centrifugal pump
5 entrance is connect 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
It is connected at the water inlet of gas washing system.In the present embodiment, the pressure energy in Heisui River is recycled by hydraulic turbine 4, and pressure energy is turned
It is changed to the supplying gas of process water after kinetic energy drives centrifugal pump 5, centrifugal pump 5 to recycle slag and ash water system and synthesis gas washing system
It recycles.It is easy to operate simple, the quantity of system pressure reducing valve is reduced, equipment cost is reduced.
Preferably, as shown in Figure 3, organic rankine cycle system 3 may include：Segmented evaporator 6, screw expander
7, 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 of system 1 connects, and thermal source outlet connects back to traditional slag and grey water treatment system 1, organic working medium output end and screw rod
The air inlet of expanding machine 7 connects；The gas outlet of screw expander 7 is connect with the thermal source inlet of condenser 9；The heat source of condenser 9
It exports and is connect with the input terminal of organic working medium pump 10；The organic working medium of the output end and segmented evaporator 6 of organic working medium pump 10
Input terminal connects；Screw expander 7 is also connect with the control terminal of generator 8.In the present embodiment, traditional slag and grey water treatment system
Heat exchange is carried out with organic working medium in 1 exhaust 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 cycle.
Preferably, as shown in Figure 3, traditional slag and grey water treatment system 1 may include：Three stages of flashing system 11, deoxygenation
System 13, sedimentation clarification system 12；Wherein, the Heisui River output of the high pressure flash entrance Yu hydraulic turbine 4 of three stages of flashing system 11
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 becomes 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 connect with 13 input terminal of the deaerating type of cycles, i.e.,：Low pressure flash section to high pressure flash with have
Output stream after 3 heat exchange of machine Rankine cycle system 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 the vacuum flashing vapour input organic rankine cycle system 3 that vacuum flashing section generates
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 of three stages of flashing system 11 exports
The liquid water input terminal with sedimentation clarification system 12 is held to connect, so that the liquid of vacuum flashing section output enters sedimentation clarification system
12 are settled.The liquid water output end of sedimentation clarification system 12 is connect with the liquid water input terminal of deaerating type of cycles 13, deoxygenation system
The liquid water output end of system 11 is connect with the heating pipe entrance of three stages of flashing system 11, the heating pipe of three stages of flashing system 11
Outlet is connect as process water output end with hydraulic turbine system 2, i.e.,：The processed liquid 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 gasification and the Heisui River output of synthesis gas washing system output includes：Gasification burner Heisui River is washed
Wash tower Heisui River and cyclone separator Heisui River.
The slag and grey water treatment system of the utility model embodiment offer are provided below by specific embodiment.
Embodiment one
As shown in Figure 3, come the gasification furnace Heisui River, scrubbing tower Heisui River and cyclonic separation of autopneumatolysis and synthesis gas washing system
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 6 high temperature evaporation section of stage evaporation device, for having
The evaporation of machine working medium.Go out the organic working medium steam of stage evaporation device 6 expansion work in screw expander 7, pushing generator 8 is sent out
Electricity.Go out the organic working medium steam exhaust of screw expander 7 in condenser 9 by circulating water at liquid after, pump 10 through organic working medium
Stage evaporation device 6 is sent, an Organic Rankine Cycle is completed.
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 recycle back to gasification and synthesize by hydraulic turbine 4
Gas washing system circulation utilizes.
The utility model embodiment uses the energy of hydraulic turbine and screw expander recycling, on the one hand reduces entire gas
Disguise the power consumption set, while on the other hand recycling flashed vapour thermal energy, the recirculated water of former technical cooling flashed vapour is greatly reduced
Dosage, indirect saving gasification system fresh water magnitude of recruitment, achievees the purpose that energy-saving.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, under the premise of not departing from principle described in the utility model, several improvements and modifications can also be made, these improvement
The scope of protection of the utility model is also should be regarded as with retouching.
Claims (5)
1. a kind of slag and grey water treatment system, which is characterized in that including：
Traditional slag and grey water treatment system are recycled for the Heisui River to gasification and synthesis gas washing system output；
Organic rankine cycle system is connect with the waste gas outlet of traditional slag and grey water treatment system, for recycling
State the thermal energy in the exhaust gas of traditional slag and grey water treatment system；
Wherein, the organic rankine cycle system includes：It is segmented evaporator, screw expander, generator, condenser, organic
Working medium pump；
The thermal source inlet of the segmented evaporator is connect with the waste gas outlet of traditional slag and grey water treatment system, and heat source goes out
Mouth connects back to traditional slag and grey water treatment system, organic working medium output end are connect with the air inlet of the screw expander；
The gas outlet of the screw expander is connect with the thermal source inlet of the condenser；The thermal source outlet of the condenser has with described
The input terminal of machine working medium pump connects；The organic working medium input terminal of the output end and the segmented evaporator of the organic working medium pump
Connection；The screw expander is also connect with the control terminal of the generator.
2. slag as described in claim 1 and grey water treatment system, which is characterized in that the slag and grey water treatment system also wrap
It includes：
Hydraulic turbine system, be connected to the gasification and synthesis gas washing system and traditional slag and grey water treatment system it
Between, the pressure energy in the Heisui River is converted to kinetic energy with by traditional slag and buck by the pressure energy for recycling the Heisui River
Process water after processing system recovery processing is transmitted back in the gasification and synthesis gas washing system and recycles.
3. slag as claimed in claim 2 and grey water treatment system, which is characterized in that the hydraulic turbine system includes that fluid power is saturating
Gentle centrifugal pump；
The fluid input port of the hydraulic turbine is connect with the output end of the gasification and synthesis gas washing system, fluid output port
It is connect with traditional slag and grey water treatment system, energy output end is connect with the control terminal of the centrifugal pump；
The centrifugal pump inlet is connect 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 2 and grey water treatment system, which is characterized in that the tradition 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 connect 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 connect with the deaerating type of cycles input terminal；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 sinks with described
The liquid water input terminal connection of clarification system, the liquid of the liquid water output end and the deaerating type of cycles of the sedimentation clarification system drop
State water input terminal connects, and the liquid water output end of the deaerating type of cycles and the heating pipe entrance of the three stages of flashing system connect
It connects, the heating pipe outlet of the three stages of flashing system is connect as process water output end with the hydraulic turbine system.
5. slag as described in claim 1 and grey water treatment system, which is characterized 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.
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| CN201721588561.3U CN207828040U (en) | 2017-11-24 | 2017-11-24 | A kind of slag and grey water treatment system |
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| CN201721588561.3U CN207828040U (en) | 2017-11-24 | 2017-11-24 | A kind of slag and grey water treatment system |
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| CN207828040U true CN207828040U (en) | 2018-09-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107840515A (en) * | 2017-11-24 | 2018-03-27 | 航天长征化学工程股份有限公司 | Slag and grey water treatment system |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107840515A (en) * | 2017-11-24 | 2018-03-27 | 航天长征化学工程股份有限公司 | Slag and grey water treatment system |
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