CN206858200U - A kind of new evaporation concentration system that hc effluent is handled using fume afterheat - Google Patents
A kind of new evaporation concentration system that hc effluent is handled using fume afterheat Download PDFInfo
- Publication number
- CN206858200U CN206858200U CN201621036728.0U CN201621036728U CN206858200U CN 206858200 U CN206858200 U CN 206858200U CN 201621036728 U CN201621036728 U CN 201621036728U CN 206858200 U CN206858200 U CN 206858200U
- Authority
- CN
- China
- Prior art keywords
- evaporation concentration
- effluent
- fume afterheat
- water
- concentration system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001704 evaporation Methods 0.000 title claims abstract description 40
- 230000008020 evaporation Effects 0.000 title claims abstract description 38
- 239000003517 fume Substances 0.000 title claims abstract description 21
- 239000002351 wastewater Substances 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 19
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003546 flue gas Substances 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 239000008400 supply water Substances 0.000 claims abstract description 7
- 239000002918 waste heat Substances 0.000 claims abstract description 7
- 238000005516 engineering process Methods 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 9
- 238000009833 condensation Methods 0.000 claims description 8
- 230000005494 condensation Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 235000019504 cigarettes Nutrition 0.000 claims 1
- 230000015271 coagulation Effects 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- 239000003500 flue dust Substances 0.000 claims 1
- 238000011010 flushing procedure Methods 0.000 claims 1
- 239000011521 glass Substances 0.000 claims 1
- 238000005554 pickling Methods 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 208000028659 discharge Diseases 0.000 abstract 2
- 238000010276 construction Methods 0.000 abstract 1
- 239000012141 concentrate Substances 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 238000009834 vaporization Methods 0.000 description 5
- 230000008016 vaporization Effects 0.000 description 5
- 239000000945 filler Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- -1 destroys vegetation Substances 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The utility model belongs to waste water zero-discharge technology field, specifically provide a kind of new evaporation concentration system that hc effluent is handled using fume afterheat, the evaporation concentration system includes flue gas waste heat utilization device and evaporation concentration device, and described flue gas waste heat utilization device includes the pipeline of waste water supply-water pump, hollow tubular type gas-liquid heat-exchange and interconnection.Described evaporation concentration device includes low temperature spray-type evaporator, clear water circulating pump and small-sized cooling tower.This new evaporation concentration system for handling hc effluent using fume afterheat provided by the utility model, the very high flue gas of temperature has been used fully to reclaim fume afterheat as thermal source, reached energy-saving purpose；Simultaneously new evaporation concentration equipment is simple in construction, and manufacturing cost is low, and clean and maintenance is convenient, greatly reduces risk of the hc effluent to equipment scaling, corrosion etc., realizes the zero discharge treatment of waste water under the conditions of Low investment, low energy consumption.
Description
Technical field
The utility model belongs to waste water zero-discharge technology field, and in particular to one kind is handled highly concentrated useless using fume afterheat
The new evaporation thickened waste water-treatment system device of water.
Background technology
High pollution waste water, high slat-containing wastewater, rubbish ooze caused by the various fields such as agricultural chemicals, petrochemical industry, plating, metallurgy, electric power
The outer row of filtrate, high-COD waste water etc. causes very big harm to human habitat, such as polluted-water, destroys vegetation, soil
Salinization of soil etc., or even restrict and arrived expanding economy.More and more thinner recently as national environmental protection Policy Conditions, supervision is also more next
It is stricter." energy-saving and emission-reduction, near-zero release, zero-emission " turns into the main trend of Thermal Power Enterprises future development.By the hair of decades
Exhibition, high load wastewater treatment technology have very big breakthrough, increasingly ripe.But the unfavorable factor such as investment height, operating cost height begins
It is to restrict one of problem that the technology popularizes eventually.In view of this, the utility model utilizes fume afterheat processing hc effluent
New evaporation concentration system make full use of fume afterheat, be not only able to recover energy, and for thermal power plant handle desulfurization wastewater,
The hc effluents such as high slat-containing wastewater provide a kind of cost effective method.
The content of the invention
The purpose of this utility model is the industrial policy of active response national energy-saving consumption reduction, is recycled more than high-temperature flue gas
Heat, for high energy consumption existing for existing zero emission of high-concentration wastewater field, fouling risk is big, operation maintenance is difficult the problems such as, there is provided
A kind of new evaporation concentration system that hc effluent is handled using fume afterheat.One kind profit that the utility model patent provides
With the new evaporation concentration system of fume afterheat processing hc effluent, including residual heat using device and evaporation concentration device.
Described flue gas waste heat utilization device includes the pipe of waste water supply-water pump, hollow tubular type gas-liquid heat-exchange and interconnection
Road；Described evaporation concentration device includes low temperature spray-type evaporator, clear water circulating pump and small-sized cooling tower.
The evaporator includes closed body, and bodies top is equipped with the spray equipment with shower nozzle, and inside is put equipped with swash plate
The nano modification PVC evaporation cold fillings put, the distance below of filler are disposed with metal gas micropore orifice plate, and bottom is provided with
Concentrate collecting pit and pure water collection pond, and the blower fan supporting with evaporator.This kind of structure design increases to greatest extent
The contact area of device interior liquid and gas, be advantageous to a large amount of rapid evaporations of waste water.
As the improvement in the utility model material, the material of hollow tubular type gas-liquid heat-exchange in the residual heat using device
From polytetrafluoroethylmaterial material.
As the improvement in the utility model structure, the evaporator of the evaporation concentration device be provided with clear water circulating pump with it is small
Type cooling tower connects, and the pure water that 55 DEG C or so of condensation chamber bottom is driven into the small-sized cooling tower of Wind-cooling type by clear water circulating pump, passes through
The condensed water for being cooled to 35 DEG C or so is crossed after cooling into condensation chamber as cooling water.
As the improvement in the utility model structure, received in the evaporation concentration device in 50-60 ° of inclination angle slant setting
The modified PVC evaporation cold fillings of rice, can effectively increase the contact area with waste water, be more beneficial for the steaming of moisture in waste water
Hair, its unique chemical drains characteristic are also greatly reduced the risk of fouling and corrosion.
As the improvement in the utility model structure, described evaporator is provided with special collecting pit in bottom and is used for receiving
Collect different working medium, in vaporization chamber bottom, waste strength increase, solid crystal separates out, remaining after isolating solid from waste water
Waste water reenter system circulation processing；In condensation chamber bottom collection pond, when water level reaches setting liquid level, arranged outside pure water
Go out system.
The beneficial effects of the utility model：It is provided by the utility model this to handle hc effluent using fume afterheat
New evaporation concentration system, energy consumption is low, has used fume afterheat to be entered as thermal source after waste water to be heated to certain temperature
In evaporation concentration system, without consuming the thermals source such as fresh steam, operation maintenance is simple；Evaporation concentration system principle is simple, if
Standby manufacturing cost is low, can be achieved to be evaporated crystallization under temperate condition, reduces the high corrosion of equipment, high fouling risk；System
Influence on system operation factor is few, and operating flexibility is big, and the operation of device is suitable for pollutant concentration wider in waste water, to the salt in waste water
Degree and hardness are not required completely, and corrosivity, viscosity, volatile species concentration are not almost required, when factory extends or gives up
Water constituent changes, and the equipment still adapts to and operational excellence, realizes the waste water end under the conditions of Low investment, low energy consumption
Reason.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model.Description of reference numerals：1. the hollow tubular type gas-liquid heat-exchange of waste water supply-water pump 2.
3. the micropore orifice plate of 4.4 concentrate collecting pit of flue 4. low temperature spray-type evaporator, 4.1 spray equipment, 4.2 filler, 4.3 blower fan 4.5
4.6 pure water collection pond, 5. clear water circulating pump, 6. small-sized cooling tower
Embodiment
Below in conjunction with the accompanying drawings and specific work process, the utility model is furtherd elucidate.
A kind of evaporation concentration system that hc effluent is handled using fume afterheat is present embodiments provided, as shown in figure 1,
Including residual heat using device and evaporation concentration device.The residual heat using device includes waste water supply-water pump 1, hollow tubular type gas-liquid is changed
The pipeline that hot device 2 and each equipment room are connected, waste water enter hollow tubular type gas-liquid heat-exchange 2 by being used as refrigerant after supply-water pump 1, together
When the high-temperature flue gas from flue 3 enter hollow tubular type gas-liquid heat-exchange 2 and waste water as heating agent and carry out heat exchange, heating
Waste water afterwards is exported by thermal wastewater efferent duct, and the low-temperature flue gas after heat exchange is back to flue 3 by flue gas recirculation pipeline；Hollow tubular type
Within 400Pa, water side overall resistance controls within 100kPa the control of fume side overall resistance when gas-liquid heat-exchange 2 is run.
Ghost flow velocity of the heating agent flue gas in heat exchanger is 5-7 m/s, and flue-gas temperature is cooled to 70-90 by 110-130 DEG C after heat exchange
DEG C, highly concentrated coolant-temperature gage rises to 50-80 DEG C by 15-25 DEG C.
Described evaporation concentration device includes low temperature spray-type evaporator 4, clear water circulating pump 5 and small-sized cooling tower 6.In order to
The technique effect of evaporation concentration device is realized, the low temperature spray-type evaporator 4 includes closed body, and bodies top is equipped with band
The spray equipment 4.1 of shower nozzle, the nano modification PVC evaporation cold fillings 4.2 that inside is placed equipped with swash plate, the spacing of lower section one of filler
From metal gas micropore orifice plate 4.5 is disposed with, gas blasts metal gas micropore orifice plate 4.5, bottom by supporting blower fan 4.3
Be respectively arranged with concentrate collecting pit 4.4 and pure water collection pond 4.6, evaporator body carry pressure gauge, thermometer, liquid level gauge,
The complete automatic instrument such as flowmeter, conductivity gauge, realizes unattended fully automatic operation.
The structure design of low temperature spray-type evaporator 4 increases the contact surface of device interior liquid and gas to greatest extent
Product, the moisture be advantageous in liquid phase largely evaporates into gas phase, so as to realize the rapid evaporation under temperate condition.By waste heat profit
Waste water after being heated up with device is from top to bottom sprayed into low temperature spray-type evaporator and concentrated, and concentrate solid content is more than
65%, production water salt content is less than 200mg/L, and Water Sproading rate is more than 90%.
Specific work process is as follows：
Bypass is set on flue, a certain amount of former flue gas is extracted, hollow tubular type gas-liquid heat-exchange 2 is delivered to through air blower
It is interior, flue-gas temperature is reduced using heat exchanger 2, the heat of recovery is used to heat hc effluent, and the flue gas after cooling is sent back to again
To flue.Different types of hc effluent, which first passes around, to be entered hollow tubular type gas-liquid heat-exchange 2 after waste water supply-water pump 1 and carries out
Heating, wastewater temperature rises to 50-80 DEG C by 15-25 DEG C or so after heat exchanger, subsequently into low temperature spray-type evaporator 4
Water inlet pipe in, from top to bottom sprayed by the spray equipment 4.1 of intensive arrangement at the top of vaporization chamber, and even into cold to evaporating
In filler 4.2, be simultaneously from the wind speed of blower fan 4.3 be 3m/s wind by forming tiny sky after metal gas micropore orifice plate 4.5
Bubble blasts from bottom to top, and the moisture of such droplet surface is formed by evaporation to water vapour, and fast in the presence of fan stream
Speed is moved at the top of vaporization chamber and is transported in condensation chamber, in hot-air and condensation chamber containing saturated vapor under top spray
The temperature come is that 35 DEG C or so of cooling water meets, and condenses into water droplet again, so as to produce pure water.Portion of pure water passes through clear water
Circulating pump 5 enters small-sized cooling tower 6, and entering condensation chamber as cooling water after cooling recycles, when pure water collection pond 4.6
In water level when reaching the liquid level of setting, arrange outside pure water and be delivered to outside system.Waste water after evaporation flows into vaporization chamber bottom
Concentrate collecting pit 4.4, as concentration constantly raises, the salt for reaching saturation solubility separates out from solution and forms solid particle and sink
Sent outside behind shallow lake, supernatant, which is recycled back in vaporization chamber, to be continued to evaporate.
Claims (5)
1. a kind of new evaporation concentration system that hc effluent is handled using fume afterheat, it is characterized in that：Described one kind profit
Mainly include flue gas waste heat utilization device and evaporation and concentration with fume afterheat to handle the new evaporation concentration system of hc effluent
Device, described flue gas waste heat utilization device include waste water supply-water pump（1）, hollow tubular type gas-liquid heat-exchange（2）And it is connected with each other
Pipeline；Described evaporation concentration device includes low temperature spray-type evaporator（4）, clear water circulating pump（5）And small-sized cooling tower
（6）；Characterized in that, from flue（3）A certain amount of former flue gas is extracted, delivers to hollow tubular type gas-liquid heat-exchange（2）It is interior, utilize cigarette
Gas waste heat is from top to bottom sprayed into low temperature spray-type evaporator after waste water is heated up（4）Concentrated.
2. a kind of new evaporation concentration system that hc effluent is handled using fume afterheat according to claim 1, its
It is characterized in：Described hollow tubular type gas-liquid heat-exchange（2）Heat exchange, and hollow heat exchanger tube material are carried out using gas-liquid heat exchange principle
From polytetrafluoroethylmaterial material, caliber 10-15mm；Heat exchanger overall flexibility designs in structure, is provided with flue-dust retainer in bottom, changes
Hot device fume side is provided with online high-pressure water flushing device, and there is pickling interface water side.
3. a kind of new evaporation concentration system that hc effluent is handled using fume afterheat according to claim 1, its
It is characterized in：Described low temperature spray-type evaporator（4）Integrated equipment, the equipment are run at 60-80 DEG C, sprayed using normal pressure
Technology, housing select glass steel material, and the thermal cycle air-flow driven by blower fan absorbs the water Posterior circle that 5-15% flows downward and entered
To condensation chamber, pure water collection is condensed into condensation chamber to bottom pure water collection pond.
4. a kind of new evaporation concentration system that hc effluent is handled using fume afterheat according to claim 1, its
It is characterized in：Described low temperature spray-type evaporator（4）It is interior that the evaporating area of plural serial stage and cold can be set according to waste water actual conditions
Coagulation zone, and bottoms at different levels are provided with the collecting pit of difference in functionality.
5. a kind of new evaporation concentration system that hc effluent is handled using fume afterheat according to claim 1, its
It is characterized in：Described low temperature spray-type evaporator（4）Evaporative condenser room in 50-60 ° of oblique angle place nano modification
PVC evaporates cold filling, and waste water is along the inclined sheet flow of certain angle, and under cavitation, air enters below flat board
In the waste water of flowing, the formation of saturated vapor is more beneficial for.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621036728.0U CN206858200U (en) | 2016-09-05 | 2016-09-05 | A kind of new evaporation concentration system that hc effluent is handled using fume afterheat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621036728.0U CN206858200U (en) | 2016-09-05 | 2016-09-05 | A kind of new evaporation concentration system that hc effluent is handled using fume afterheat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206858200U true CN206858200U (en) | 2018-01-09 |
Family
ID=60814096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621036728.0U Active CN206858200U (en) | 2016-09-05 | 2016-09-05 | A kind of new evaporation concentration system that hc effluent is handled using fume afterheat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206858200U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108117123A (en) * | 2018-01-24 | 2018-06-05 | 河南星光机械制造有限公司 | A kind of chromium-electroplating waste water processing system and method |
| CN112679022A (en) * | 2020-12-25 | 2021-04-20 | 武汉天空蓝环保科技有限公司 | Low-temperature concentration desulfurization wastewater zero discharge system |
| CN115307474A (en) * | 2022-08-09 | 2022-11-08 | 无锡格物环保技术有限公司 | Variable-temperature evaporation system utilizing low-grade waste heat |
-
2016
- 2016-09-05 CN CN201621036728.0U patent/CN206858200U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108117123A (en) * | 2018-01-24 | 2018-06-05 | 河南星光机械制造有限公司 | A kind of chromium-electroplating waste water processing system and method |
| CN112679022A (en) * | 2020-12-25 | 2021-04-20 | 武汉天空蓝环保科技有限公司 | Low-temperature concentration desulfurization wastewater zero discharge system |
| CN115307474A (en) * | 2022-08-09 | 2022-11-08 | 无锡格物环保技术有限公司 | Variable-temperature evaporation system utilizing low-grade waste heat |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107792907A (en) | A kind of new evaporation concentration system that hc effluent is handled using fume afterheat | |
| CN203715317U (en) | Low-temperature circulation evaporative crystallization device for heavy salt water | |
| CN203741071U (en) | Evaporation concentration equipment | |
| CN206858200U (en) | A kind of new evaporation concentration system that hc effluent is handled using fume afterheat | |
| CN104495966A (en) | Bubble humidification and heat pump cycle coupled sea water desalination system and process method | |
| CN208599198U (en) | Infant industry evaporating column | |
| CN103553166A (en) | Device and method of treating wastewater with high salt content by utilizing waste heat of circulating water | |
| CN202092479U (en) | Closed air cooling system for auxiliary machine circulating cooling water | |
| Thanaiah et al. | Experimental analysis on humidification-dehumidification desalination system using different packing materials with baffle plates | |
| CN210559480U (en) | Waste water evaporation and concentration device based on low-temperature spray desulfurization | |
| CN107840399A (en) | Rotary evaporator and low-temperature evaporation condensing crystallizing equipment | |
| CN204848322U (en) | High salt solution processing system | |
| CN203545717U (en) | Device for treating highly saline waste water with circulating water afterheat | |
| CN209635926U (en) | Falling film evaporation couples absorption refrigeration high-salt sewage processing equipment | |
| CN206876011U (en) | A kind of water vapor recovery device used for cooling tower | |
| CN110102127A (en) | A kind of quenching tower flue gas takes off white dust pelletizing system | |
| CN107344052A (en) | Gas cleaning and plume control method and device | |
| CN108443904A (en) | A kind of power-plant flue gas based on heat pipe heat exchanging technology disappears white system | |
| CN207153371U (en) | Gas cleaning and plume control device | |
| CN208916849U (en) | A kind of small-sized solar energy sea water desalination apparatus | |
| CN111792775A (en) | Zero-emission method for multi-heat-source evaporation desulfurization wastewater | |
| CN106044910A (en) | Sea water desalinating apparatus with vertical low-resistance heat pipes | |
| CN212559834U (en) | Horizontal cross heat exchange's hot air drying waste liquid system that circulates | |
| CN206173007U (en) | Utilize device of hot -water heating desulfurization waste water spray cooling tower evaporation | |
| CN203269605U (en) | Evaporation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100039 6th floor, building 1, yard 16, Xisi Middle Road, Haidian District, Beijing Patentee after: Guoneng Lang Xinming Environmental Protection Technology Co.,Ltd. Address before: 100039 6th floor, building 1, yard 16, Xisi Middle Road, Haidian District, Beijing Patentee before: BEIJING LUCENCY ENVIRO-TECH Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| 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, Xisi Middle Road, Haidian District, Beijing Patentee before: Guoneng Lang Xinming Environmental Protection Technology Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |