CN208327656U - A kind of desulfurization wastewater resource utilization process system - Google Patents
A kind of desulfurization wastewater resource utilization process system Download PDFInfo
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- CN208327656U CN208327656U CN201820285620.8U CN201820285620U CN208327656U CN 208327656 U CN208327656 U CN 208327656U CN 201820285620 U CN201820285620 U CN 201820285620U CN 208327656 U CN208327656 U CN 208327656U
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- 239000002351 wastewater Substances 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 18
- 230000023556 desulfurization Effects 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000000126 substance Substances 0.000 claims abstract description 40
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 24
- 238000005189 flocculation Methods 0.000 claims abstract description 19
- 230000016615 flocculation Effects 0.000 claims abstract description 19
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 16
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 239000000919 ceramic Substances 0.000 claims abstract description 12
- 238000004094 preconcentration Methods 0.000 claims abstract description 11
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 10
- 239000012528 membrane Substances 0.000 claims abstract description 10
- 239000002131 composite material Substances 0.000 claims abstract description 9
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 8
- 235000017550 sodium carbonate Nutrition 0.000 claims abstract description 8
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 7
- 229910052602 gypsum Inorganic materials 0.000 claims description 7
- 239000010440 gypsum Substances 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 3
- 230000007774 longterm Effects 0.000 claims description 3
- 229960004424 carbon dioxide Drugs 0.000 claims 2
- 229910002090 carbon oxide Inorganic materials 0.000 claims 1
- 238000005352 clarification Methods 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims 1
- 229910001948 sodium oxide Inorganic materials 0.000 claims 1
- 238000002425 crystallisation Methods 0.000 abstract description 5
- 230000008025 crystallization Effects 0.000 abstract description 5
- 239000000047 product Substances 0.000 abstract description 5
- 239000005708 Sodium hypochlorite Substances 0.000 abstract description 3
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 abstract description 3
- 239000006227 byproduct Substances 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 229910000019 calcium carbonate Inorganic materials 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 2
- 239000000347 magnesium hydroxide Substances 0.000 description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- PALNZFJYSCMLBK-UHFFFAOYSA-K magnesium;potassium;trichloride;hexahydrate Chemical group O.O.O.O.O.O.[Mg+2].[Cl-].[Cl-].[Cl-].[K+] PALNZFJYSCMLBK-UHFFFAOYSA-K 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses desulfurization wastewater resource utilization process system, this system mainly includes waste water tank, waste-water vortex device, high-efficiency clarifier, clarifier, pre-concentration device, ceramic membrane, HIRO, electrolysis unit, clear water reserviors, vacuum belt machine, flocculation aid chemicals dosing plant, sodium hydroxide chemicals dosing plant, composite flocculation agent chemicals dosing plant, carbon dioxide chemicals dosing plant, soda ash chemicals dosing plant；This system can be realized desulfurization wastewater resource utilization, generate sodium hypochlorite products, solve the problems such as evaporative crystallization energy consumption is high；Shorten system flow, each byproduct recycles and reuses, saves the advantages that effluent part investment and operation processing cost, solves the problems, such as that current high-salinity wastewater zero-emission encounters.
Description
Technical field
The present invention relates to desulfurization wastewater technical field of resource comprehensive utilization, and in particular to a kind of desulfurization wastewater resource utilization
Process system.
Background technique
The current processing means of desulfurization wastewater are limited, and by evaporative crystallization recycle-water, salt carries out landfill disposal, causes resource
Waste.
Present patent application integrally considers a kind of desulfurization wastewater resource utilization process system, is entirely by desulfurization wastewater
System comprehensively considers, optimization system technique, its product is finally carried out resource utilization, generates sodium hypochlorite products, can be to sewage
It is sterilized.
It is more than embrane method+evaporative crystallization and flue gas that current common desulfurization wastewater resource utilization, which was explored with the experimental stage,
Two kinds of thermal evaporation, embrane method has positive infiltration and high pressure reverse osmosis, and flue residue heat evaporation is divided into before deduster sprays after spray and deduster
Leaching.It is carnallite that fume afterheat, which steams generation, and possible next stage can be influenced by environmental protection policy, and embrane method+evaporative crystallization, soft
It is excessively high to change reagent cost, runs and overhauls and is more demanding.
Summary of the invention
The present invention overcomes the deficiencies in the prior art, provide a kind of desulfurization wastewater resource utilization process system.
In view of the above problem of the prior art, according to an aspect of the present invention, in order to solve the above technical problems, this
Invention use a kind of desulfurization wastewater resource utilization process system, this system mainly include waste water tank, waste-water vortex device, efficiently it is clear
Clear device, clarifier, pre-concentration device, ceramic membrane, HIRO, electrolysis unit, clear water reserviors, vacuum belt machine, flocculation aid chemicals dosing plant,
Sodium hydroxide chemicals dosing plant, composite flocculation agent chemicals dosing plant, carbon dioxide chemicals dosing plant, soda ash chemicals dosing plant, to guarantee this work
The operation steady in a long-term of process system further includes that related matched cleaning device, chemicals dosing plant, electrical system and instrument control,
It is characterized in that:
(1) flocculation aid chemicals dosing plant accesses waste water tank by pipeline, and waste water tank is equipped with blender, after adding medicine stirring, leads to
It crosses pump and pipeline is connected to waste-water vortex device, dosage is 0.5 ~ 1ppm, and waste water carries out flocculation in waste water tank and generates larger
Grain carries out mud-water separation through eddy flow gravity in waste-water vortex device, so that it is discharged solid content less than 1%；
(2) it is set before high-efficiency clarifier there are two quick agitator tank, mixing speed is 200rpm or more, is equipped with and leads in agitator tank
Flowing plate and guide shell, sodium hydroxide chemicals dosing plant are connected to the first quick agitator tank, and sodium hydroxide is added, and the residence time is
30min makes the pH value of water be maintained at 11 ~ 12, and composite flocculation agent chemicals dosing plant is connected to second quick agitator tank, is added compound
Flocculant, residence time 10min, after waste water sequentially enters the first, second quick agitator tank, subsequently into high-efficiency clarifier,
Guide shell, rotating flow guidance plate are set in high-efficiency clarifier, waste water produces the high-strength centrifugal rotation of water in high-efficiency clarifier, increases floccule body grain
Diameter and density realize speed separation, and clear water enters next stage clarifier by pipeline, its key reaction formula are as follows:
Mg2++2OH+─→Mg(OH)2
(HCO3)+2OH+─→(CO3)2-+H2O
(3) carbon dioxide chemicals dosing plant is connected by pipeline with the perforated pipe of bottom of clarifier, opening diameter 5mm, instead
The residence time is 30min in Ying Chi, and surface loading is 1 ~ 3m/h, and 5 ~ 6m of the depth of water makes the pH value of water be maintained at 9.5 or more, it
Key reaction formula are as follows:
Ca2++CO3 2-─→CaCO3
(4) clarifier is connected to pre-concentration by pipeline, pump, valve and pre-concentration device, ceramic membrane, soda ash chemicals dosing plant
Device, it is secondary except hard, so that hardness is remained 1mol/L hereinafter, pre-concentration device sludge concentration is kept within 4%, is equipped with densimeter,
When reaching 4%, it is back to high-efficiency clarifier, ceramic membrane material uses ceramic sintering, and water inlet pH value is 1 ~ 14, influent turbidity
5000,10 ~ 80 degree of inflow temperature, water SDI is produced less than 1, turbidity is its key reaction formula of 0.2NUT are as follows:
Ca2++CO3 2-─→CaCO3
(5) HIRO uses rolled film, and runner is 0.8 ~ 4mm, can be used vertical using vertical encapsulation with specific reference to water quality
Series connection, maximum are no more than 7, and it is 6.5 ~ 7.5 that water inlet PH, which is adjusted, while setting electronic anti-scaling agent, ultraviolet sterilizer, electronics
Antisludging agent forms electron beam, is formed and is fettered to hardness ions, fouling tendency is effectively reduced；
(6) HIRO produces water and enters clear water reserviors, and concentrated water enters electrolysis unit by pipeline, is electrolysed as NACLO, wherein concentrated water
NACL content is 10000 ~ 30000mg/L；
(7) spoil disposal of high-efficiency clarifier and clarifier enters the front end of vacuum belt machine, the feed liquor point with gypsum cyclone
It opens, since the molecular diameter in spoil disposal is smaller, is easy dirty stifled vacuum belt machine, is arranged in after gypsum cyclone underflow,
It can prevent dirty stifled；
Compared with prior art, of the invention to be advantageous in that:
(1) by desulfurization wastewater resource utilization, sodium hypochlorite products are generated, solve the problems such as evaporative crystallization energy consumption is high；
(2) the HIRO film for using large area reduces investment operating cost；
(3) high-efficiency clarifier substitutes original three header and clarifier, and land occupation is smaller, invests relatively small；
(4) flocculation aid is added in waste water tank, is conducive to fine particle and forms larger particles, while divides in waste-water vortex device
From；
(5) concentrated water that HIRO device generates enters electrolysis unit, and the byproduct generated is comprehensively utilized；
(6) each unit can independent operating, regulating power is stronger；
(7) process flow is relatively short, reduces investment outlay and operating cost.
Detailed description of the invention
Illustrate present specification embodiment or technical solution in the prior art in order to clearer, it below will be to embodiment
Or attached drawing needed in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the reference to embodiments some in present specification, for those skilled in the art, what is do not made the creative labor
In the case of, other attached drawings can also be obtained according to these attached drawings, used after can also being adjusted to certain a part therein.
Fig. 1 shows the structural representation of desulfurization wastewater resource utilization process system according to an embodiment of the invention
Figure.In figure, (101) waste water tank, (102) waste-water vortex device, (103) high-efficiency clarifier, (104) clarifier, (105) pre-concentration dress
Set, (106) ceramic membrane, (107) HIRO, (108) electrolysis unit, (109) clear water reserviors, (110) vacuum belt machine, (111) help it is solidifying
Agent chemicals dosing plant, (112) sodium hydroxide chemicals dosing plant, (113) composite flocculation agent chemicals dosing plant, (114) carbon dioxide dosing dress
It sets, (115) soda ash chemicals dosing plant.
Specific embodiment
The present invention is described in further detail below with reference to embodiment, embodiments of the present invention are not limited thereto.
Fig. 1 shows desulfurization wastewater resource utilization process system according to an embodiment of the invention, including (101) give up
Water tank, (102) waste-water vortex device, (103) high-efficiency clarifier, (104) clarifier, (105) pre-concentration device, (106) ceramic membrane,
(107) HIRO, (108) electrolysis unit, (109) clear water reserviors, (110) vacuum belt machine, (111) flocculation aid chemicals dosing plant, (112)
Sodium hydroxide chemicals dosing plant, (113) composite flocculation agent chemicals dosing plant, (114) carbon dioxide chemicals dosing plant, (115) soda ash dosing
Device.
In order to realize zero discharge of industrial waste water with high salt, this desulfurization wastewater resource utilization process system is broadly divided into five
A step is realized, each device in pipeline and pump attachment system is passed through.
Step 1: desulfurization wastewater enters (101) waste water tank after gypsum cyclone, and (111) flocculation aid chemicals dosing plant passes through
Pipeline is connect with (101) waste water tank, and dosage is 0.5 ~ 1ppm, and (101) waste water tank is equipped with blender, mixes by stirring
Flocculation is carried out in (101) waste water tank with, waste water and generates larger particles, and (102) waste-water vortex device is entered through eddy flow weight by pump
Power carries out mud-water separation, so that it is discharged solid content less than 1%；
Step 2: setting before (103) high-efficiency clarifier there are two quick agitator tank, and mixing speed is 200rpm or more, stirring
Deflector and guide shell are equipped in case, (112) sodium hydroxide chemicals dosing plant is connected to the first quick agitator tank, and hydroxide is added
Sodium, residence time 30min make the pH value of water be maintained at 11 ~ 12, and (113) composite flocculation agent chemicals dosing plant is connected to second
Quick agitator tank, addition composite flocculation agent, residence time 10min, after waste water sequentially enters the first, second quick agitator tank,
Subsequently into (103) high-efficiency clarifier, guide shell is set in (103) high-efficiency clarifier, rotating flow guidance plate, waste water is efficient in (103)
Clarifier produces the high-strength centrifugal rotation of water, increases floccule body partial size and density, realizes speed separation, and clear water enters next stage by pipeline
(104) clarifier, its key reaction formula are as follows:
Mg2++2OH+─→Mg(OH)2
(HCO3)+2OH+─→(CO3)2-+H2O
Step 3: (114) carbon dioxide chemicals dosing plant is connected by pipeline with the perforated pipe of (104) bottom of clarifier, is opened
Bore dia is 5mm, and the residence time is 30min in reaction tank, and surface loading is 1 ~ 3m/h, 5 ~ 6m of the depth of water, keeps the pH value of water
9.5 or more, its key reaction formula are as follows:
Ca2++CO3 2-─→CaCO3
Step 4: (104) clarifier passes through pipeline, pump, valve and (105) pre-concentration device, (106) ceramic membrane, (115)
The connection of soda ash chemicals dosing plant, it is secondary to remove firmly, so that hardness is remained 1mol/L hereinafter, (105) pre-concentration device sludge concentration is kept
Within 4%, it is equipped with densimeter, when reaching 4%, is back to (104) high-efficiency clarifier, (106) ceramics membrane material is burnt using ceramics
System, water inlet pH value be 1 ~ 14, influent turbidity 5000,10 ~ 80 degree of inflow temperature, produce water SDI less than 1, turbidity for 0.2NUT it
Key reaction formula are as follows:
Ca2++CO3 2-─→CaCO3
Step 5: (107) HIRO uses rolled film, and runner is 0.8 ~ 4mm, can with specific reference to water quality using vertical encapsulation
Using vertical series connection, maximum is no more than 7, and it is 6.5 ~ 7.5 that water inlet PH, which is adjusted, at the same set electronic anti-scaling agent, ultraviolet light kills
Bacterium device, electronic anti-scaling dosage form form hardness ions and fetter, fouling tendency is effectively reduced at electron beam；
Step 6: (107) HIRO produces water and enters (109) clear water reserviors, and concentrated water enters (108) electrolysis unit by pipeline,
Electrolysis unit reacts, and is electrolysed as NACLO, and wherein concentrated water NACL content is 10000 ~ 30000mg/L；
Step 7: the spoil disposal of (103) high-efficiency clarifier and (104) clarifier enters the front end of (110) vacuum belt machine, with
The feed liquor of gypsum cyclone separates, and since the molecular diameter in spoil disposal is smaller, dirty stifled (110) vacuum belt machine is easy, by its cloth
It is placed in after gypsum cyclone underflow, can prevent dirty stifled.
For the operation steady in a long-term for guaranteeing this process system, realizes complete zero-emission, while product is utilized, further include
Related matched cleaning device, chemicals dosing plant, electrical system and instrument control participate in a kind of this high-salt wastewater treatment process system
Operation.
" one embodiment " and " embodiment " for being spoken of in the present specification etc. refers to combining embodiment description
Specific features, structure or feature are included at least one embodiment generally described herein.It is multiple in the description
It is not centainly to refer to the same embodiment that statement of the same race, which occurs, in place.Furthermore, it is understood that describing one in conjunction with any embodiment
Specific features, structure perhaps feature when to be advocated is that this feature, structure or feature are realized in conjunction with other embodiments
Also it falls within the scope of the present invention.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations will fall in this Shen
It please be within disclosed scope and spirit.More specifically, disclose in the application, drawings and claims in the range of, can
With the building block and/or a variety of variations and modifications of layout progress to theme combination layout.In addition to building block and/or layout
Outside the variations and modifications of progress, to those skilled in the art, other purposes also be will be apparent.
Claims (1)
1. a kind of desulfurization wastewater resource utilization process system, this system mainly includes waste water tank, waste-water vortex device, efficiently clarification
Device, clarifier, pre-concentration device, ceramic membrane, HIRO, electrolysis unit, clear water reserviors, vacuum belt machine, flocculation aid chemicals dosing plant, hydrogen
Sodium oxide molybdena chemicals dosing plant, composite flocculation agent chemicals dosing plant, carbon dioxide chemicals dosing plant, soda ash chemicals dosing plant, to guarantee this technique
The operation steady in a long-term of system further includes related matched cleaning device, chemicals dosing plant, electrical system and instrument control, spy
Sign is:
(1) flocculation aid chemicals dosing plant accesses waste water tank by pipeline, and waste water tank is equipped with blender, is connected to by pump and pipeline useless
Water cyclone；
(2) it is set before high-efficiency clarifier there are two quick agitator tank, agitator tank is interior to be equipped with deflector and guide shell, sodium hydroxide dosing
Device is connected to the first quick agitator tank, and composite flocculation agent chemicals dosing plant is connected to second quick agitator tank, and waste water successively connects
After connecing the first, second quick agitator tank, subsequently into high-efficiency clarifier, guide shell is set in high-efficiency clarifier, rotating flow guidance plate, two
Carbonoxide chemicals dosing plant is connected by pipeline with the perforated pipe of bottom of clarifier；
(3) clarifier passes through pipeline, pump, valve and pre-concentration device, ceramic membrane, the connection of soda ash chemicals dosing plant；
(4) HIRO uses rolled film, and vertical series connection can be used with specific reference to water quality using vertical encapsulation, and maximum is no more than 7,
Electronic anti-scaling agent, ultraviolet sterilizer are set simultaneously；
(5) HIRO production water enters clear water reserviors, and concentrated water connects electrolysis unit by pipeline；
(6) spoil disposal of high-efficiency clarifier and clarifier connects vacuum belt machine, separates, is arranged with the feed liquor of gypsum cyclone
After gypsum cyclone underflow.
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Address after: 100039 6th floor, building 1, yard 16, West Fourth Ring Middle Road, Haidian District, Beijing Patentee after: Guoneng Lang Xinming Environmental Protection Technology Co.,Ltd. Address before: 100039 6th floor, building 1, yard 16, West Fourth Ring Middle Road, Haidian District, Beijing Patentee before: BEIJING LUCENCY ENVIRO-TECH Co.,Ltd. |
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| CP03 | Change of name, title or address |
Address after: 100039 6th floor, building 1, yard 16, West Fourth Ring Middle Road, Haidian District, Beijing Patentee after: Guoneng Water Environmental Protection Co.,Ltd. Country or region after: China Address before: 100039 6th floor, building 1, yard 16, West Fourth Ring Middle Road, Haidian District, Beijing Patentee before: Guoneng Lang Xinming Environmental Protection Technology Co.,Ltd. Country or region before: China |