CN216584310U - Reverse osmosis concentrated water gradient utilization system - Google Patents
Reverse osmosis concentrated water gradient utilization system Download PDFInfo
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- CN216584310U CN216584310U CN202122805713.3U CN202122805713U CN216584310U CN 216584310 U CN216584310 U CN 216584310U CN 202122805713 U CN202122805713 U CN 202122805713U CN 216584310 U CN216584310 U CN 216584310U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 292
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 197
- 238000000034 method Methods 0.000 claims abstract description 34
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 24
- 230000023556 desulfurization Effects 0.000 claims abstract description 24
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 20
- 238000010521 absorption reaction Methods 0.000 claims abstract description 7
- 238000005187 foaming Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 6
- 238000010612 desalination reaction Methods 0.000 claims description 5
- 239000003153 chemical reaction reagent Substances 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000004567 concrete Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000012141 concentrate Substances 0.000 claims 3
- 230000003020 moisturizing effect Effects 0.000 claims 2
- 238000004064 recycling Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 238000011033 desalting Methods 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 239000008235 industrial water Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000001502 supplementing effect Effects 0.000 description 3
- 230000005587 bubbling Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to a reverse osmosis concentrated water gradient utilization system, which comprises: the system comprises an antifoaming agent automatic dosing device, a reverse osmosis concentrated water tank, a reverse osmosis concentrated water pump, a concentrated water reverse osmosis water inlet lift pump, a concentrated water reverse osmosis water inlet security filter, a concentrated water reverse osmosis high-pressure pump, a concentrated water reverse osmosis device, a reverse osmosis concentrated water tank and a reverse osmosis concentrated water pump; the reverse osmosis concentrated water tank and the reverse osmosis concentrated water pump are respectively used for storing and conveying concentrated water. The beneficial effects of the utility model are: the concentrated water reverse osmosis equipment is arranged for re-concentrating reverse osmosis concentrated water, so that the tail end concentrated water amount is reduced, product water can be recycled, and the water utilization rate of the whole system is improved; the system is provided with two paths of concentrated water recycling equipment, so that the total amount regulation and the independent recycling of reverse osmosis concentrated water and concentrated water can be realized according to different requirements of water replenishing of a desulfurization process, and the control is flexible and convenient; the system is provided with an automatic defoaming agent feeding device, and the influence of reverse osmosis concentrated water on the foaming problem of the absorption tower is reduced.
Description
Technical Field
The utility model belongs to the technical field of water treatment, and particularly relates to a reverse osmosis concentrated water gradient utilization system with an automatic defoaming agent dosing device.
Background
With the gradual maturity of the membrane industrial technology and the expansion of the demand of industrial water treatment, the reverse osmosis technology is rapidly developed as a water treatment desalination process, and is comprehensively popularized and applied in various desalination water systems. The reverse osmosis technology is based on the process principle, and a certain proportion of concentrated water is generated in the normal operation process. The conventional first-level reverse osmosis system is designed to have a recovery rate of 75%, generates about 25% of concentrated water, generally has better water quality indexes except salt content, and is required to be used and treated and recycled in a gradient manner to the maximum extent so as to reduce the discharge amount of wastewater as much as possible.
At present, a wet desulphurization technology is generally adopted in domestic large-scale thermal power plants, industrial water or a micro-polluted water source is usually adopted for water supplement in a desulphurization process, and the problem of liquid level false alarm and the like can be caused by the bubbling phenomenon in the operation process.
The absorption tower system is used as a natural wastewater concentration system, has good adaptability to saline wastewater with certain concentration, can realize wastewater concentration and reduction, and further controls the total wastewater treatment capacity of zero discharge, thereby providing an effective way for wastewater concentration and reduction.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a reverse osmosis concentrated water gradient utilization system.
The reverse osmosis concentrated water gradient utilization system comprises: the system comprises defoaming agent automatic dosing equipment, a reverse osmosis concentrated water tank, a reverse osmosis concentrated water pump, a concentrated water reverse osmosis water inlet lift pump, a concentrated water reverse osmosis water inlet security filter, a concentrated water reverse osmosis high-pressure pump, concentrated water reverse osmosis equipment, a reverse osmosis concentrated water tank and a reverse osmosis concentrated water pump; the reverse osmosis concentrated water tank and the reverse osmosis concentrated water pump are devices for storing and conveying concentrated water respectively; the concentrated water is the water produced by the water treatment desalination process and has higher concentration than the concentrated water; a reverse osmosis concentrated water pump, a concentrated water reverse osmosis water inlet lifting pump, a concentrated water reverse osmosis high-pressure pump and a reverse osmosis concentrated water pump in the reverse osmosis concentrated water gradient utilization system are all electrically connected with the control system; liquid level meters are arranged in the reverse osmosis concentrated water tank and the reverse osmosis concentrated water tank, and flow meters are arranged on inlet and outlet pipelines of a reverse osmosis concentrated water pump, a concentrated water reverse osmosis inlet water lift pump, a concentrated water reverse osmosis inlet water security filter, a concentrated water reverse osmosis high-pressure pump, a concentrated water reverse osmosis device, a reverse osmosis concentrated water pump and an automatic defoaming agent dosing device; all the liquid level meters and the flow meters are electrically connected with the control system; one-key start-stop and automatic operation of the whole set of system are realized; the inlet of the reverse osmosis concentrated water tank is connected with a concentrated water port of the reverse osmosis device, and the outlet of the reverse osmosis concentrated water tank is divided into two paths which are respectively connected with the inlet of a reverse osmosis concentrated water pump and the inlet of a concentrated water reverse osmosis water inlet lifting pump; the concentrated water pump of reverse osmosis exports the water supply tank entry of being connected to desulfurization process, concentrated water reverse osmosis advances water lift pump and exports the connection reverse osmosis cartridge filter entry of intaking, reverse osmosis advances water cartridge filter exit linkage concentrated water reverse osmosis high-pressure pump entry, concentrated water reverse osmosis high-pressure pump exit linkage concentrated water reverse osmosis equipment, the concentrated water export of concentrated water reverse osmosis equipment inserts the concentrated pond entry of reverse osmosis, the product water export access retrieval and utilization point of concentrated water reverse osmosis equipment, the concentrated pond exit linkage reverse osmosis concentrated water pump entry of reverse osmosis, the concentrated water pump exit linkage defoaming agent automatic reagent feeding equipment entry of reverse osmosis, defoaming agent automatic reagent feeding equipment exit linkage desulfurization process water supply tank entry.
Preferably, the defoaming agent automatic feeding device is used for controlling the foaming of the slurry of the absorption tower.
Preferably, the control system is a PLC or DCS.
Preferably, equipment, pipelines, water pumps and metering devices which contact the concentrated water or the concentrated water in the reverse osmosis concentrated water gradient utilization system are all made of anti-corrosion materials, so that corrosion of chloride ions and the like is effectively avoided, and the service life of the equipment is ensured.
Preferably, the corrosion-resistant material comprises stainless steel.
Preferably, the reverse osmosis concentrated water tank and the reverse osmosis concentrated water tank are built together; the reverse osmosis concentrated water tank and the reverse osmosis concentrated water tank are both of underground steel concrete structures.
The utility model has the beneficial effects that:
the utility model provides a reliable reverse osmosis concentrated water gradient utilization system aiming at the requirements that reverse osmosis concentrated water is limited to be directly discharged and needs to be recycled, solves the inherent defects of the traditional reverse osmosis process in the aspect of concentrated water treatment, realizes the gradient utilization of the reverse osmosis concentrated water, improves the water saving rate and the economical efficiency of the system, and reduces the tail end wastewater treatment; the utility model also relieves the problem of liquid level false alarm caused by slurry bubbling of the absorption tower.
The system is provided with the concentrated water reverse osmosis equipment for re-concentrating reverse osmosis concentrated water, so that the tail end concentrated water amount is reduced, product water can be recycled, and the water utilization rate of the whole system is improved; the system is provided with two paths of concentrated water recycling equipment, so that the total amount regulation and the independent recycling of reverse osmosis concentrated water and concentrated water can be realized according to different requirements of water replenishing of a desulfurization process, and the control is flexible and convenient; the system is provided with an automatic defoaming agent adding device, so that the influence of reverse osmosis concentrated water on the foaming problem of the absorption tower is reduced.
Drawings
FIG. 1 is a schematic diagram of a reverse osmosis concentrated water gradient utilization system of the present invention.
Description of reference numerals: the system comprises a reverse osmosis concentrated water tank 1, a reverse osmosis concentrated water pump 2, a concentrated water reverse osmosis water inlet lifting pump 3, a desulfurization process water replenishing tank 4, a concentrated water reverse osmosis water inlet cartridge filter 5, a concentrated water reverse osmosis high-pressure pump 6, a concentrated water reverse osmosis device 7, a reverse osmosis concentrated water tank 8, a reverse osmosis concentrated water pump 9, an automatic defoaming agent feeding device 10 and a reverse osmosis device 11.
Detailed Description
The present invention will be further described with reference to the following examples. The following examples are set forth merely to aid in the understanding of the utility model. It should be noted that, for a person skilled in the art, several modifications can be made to the utility model without departing from the principle of the utility model, and these modifications and modifications also fall within the protection scope of the claims of the present invention.
Example one
The embodiment of the application provides a reverse osmosis concentrated water gradient utilization system as shown in fig. 1, which is mainly used for a boiler make-up water treatment system and a desulfurization process water system of a certain power plant, wherein the reverse osmosis concentrated water amount of the certain power plant is 3 multiplied by 50t/h, and the reverse osmosis concentrated water gradient utilization system can realize full recovery and reutilization after collection and treatment. The reverse osmosis concentrated water gradient utilization system comprises:
1 reverse osmosis concentrated water tank 1, adopting underground reinforced concrete structure, corrosion-resistant glass fiber reinforced plastic, and having a volume of 200m3(ii) a 2 reverse osmosis concentrated water pumps 2, 1 are used for preparing 1, the output is 150t/h, and S31603 materials are adopted; 2 concentrated water reverse osmosis water inlet lifting pumps 3, 1 is provided with 1, the output is 150t/h, and S31603 materials are adopted; a desulfurization process water replenishing tank 4 (original equipment); 1 concentrated water reverse osmosis water inlet cartridge filter 5 with output of 150t/h and made of S31603 material; 2 concentrated water reverse osmosis high-pressure pumps 6, 1 is prepared with 1, the output is 150t/h, and S31603 materials are adopted; 1 set of concentrated water reverse osmosis equipment 7, selecting an anti-pollution membrane component, outputting power of 90t/h, designing inlet water TDS4000mg/L, recovering rate of 60% and concentrated water TDS10000 mg/L; 1 reverse osmosis concentrated water tank 8, which adopts an underground reinforced concrete structure, is made of glass reinforced plastic and is anticorrosive, and the volume of the tank is 100m3And is combined with a reverse osmosis concentrated water tank 1; 2 reverse osmosis concentrated water pumps 9, 1 for 1, with output of 60t/h and S2205 material; 1 set of defoaming agent automatic medicine feeding equipment 10, the output is 50L/h, and variable frequency adjustment can be realized according to the flow of a water pump; 3 sets of reverse osmosis devices 11, and 150t/h of output of a single set.
Concentrated water of the reverse osmosis equipment 11 is conveyed to a water inlet of a reverse osmosis concentrated water tank 1 through a pipeline, a reverse osmosis concentrated water pump 2 is arranged in the concentrated water tank, an outlet of the reverse osmosis concentrated water pump is connected to an inlet of a desulfurization process water replenishing tank 4, and the reverse osmosis concentrated water can be directly used as desulfurization process water according to the requirement of the desulfurization process water; in addition, a concentrated water reverse osmosis water inlet lifting pump 3 is arranged, after reverse osmosis concentrated water is subjected to pressure lifting, an outlet of the reverse osmosis concentrated water sequentially passes through a concentrated water reverse osmosis water inlet safety filter 5 and a concentrated water reverse osmosis high-pressure pump 6 and enters an inlet of a newly-added concentrated water reverse osmosis device 7, and product water can be recycled as required; the concentrated water outlet pipeline is conveyed to the inlet of a reverse osmosis concentrated water tank 8, the concentrated water tank is provided with a reverse osmosis concentrated water pump 9, the outlet of the reverse osmosis concentrated water tank is connected to the inlet of a desulfurization process water replenishing tank 4, and the reverse osmosis concentrated water can be directly used as desulfurization process water according to the requirement of the desulfurization process water; an outlet pipeline of the reverse osmosis concentrated water pump 9 is connected with an outlet of an automatic defoaming agent adding device 10, and a metering pump of a dosing device is adjusted according to water quantity variable frequency to automatically add defoaming agent. The anti-pollution membrane is selected for use by the concentrated water reverse osmosis equipment, the reasonable system recovery rate is set, the service life of the membrane element and the normal cleaning period are ensured, the medicine adding and cleaning system can utilize the matching equipment of the existing reverse osmosis system, and the corresponding medicine adding metering pump is added.
The reverse osmosis concentrated water gradient utilization system is connected into an auxiliary control PLC or DCS, all power equipment is controlled through signals such as liquid level and flow, and one-key starting and stopping and automatic operation of the whole system are achieved.
Example two
On the basis of the first embodiment, the second embodiment of the present application provides a working method of the reverse osmosis concentrated water gradient utilization system in the first embodiment:
s1, conveying the concentrated water flowing out of the reverse osmosis device 11 to a reverse osmosis concentrated water tank 1 through a pipeline, and collecting the concentrated water by the reverse osmosis concentrated water tank 1;
s2, under normal working conditions, conveying the reverse osmosis concentrated water in the reverse osmosis concentrated water tank 1 to a concentrated water reverse osmosis device 7 for desalting;
s2.1, after the reverse osmosis concentrated water in the reverse osmosis concentrated water tank 1 is subjected to pressure lifting by a concentrated water reverse osmosis water inlet lifting pump 3, the reverse osmosis concentrated water sequentially passes through a concentrated water reverse osmosis water inlet cartridge filter 5 and a concentrated water reverse osmosis high-pressure pump 6 and enters a concentrated water reverse osmosis device 7 for desalination,
s2.2, adjusting the desalting capacity of the concentrated water reverse osmosis equipment 7 according to the water replenishing requirement of the desulfurization process: when the water supply quantity requirement of the desulfurization process is increased, the desalting capacity of the concentrated water reverse osmosis equipment 7 is reduced, or the concentrated water reverse osmosis equipment 7 stops running, concentrated water collected by the reverse osmosis concentrated water tank 1 is directly used as desulfurization process water by the reverse osmosis concentrated water pump 2 and is conveyed to the desulfurization process water supply tank 4, and the desulfurization process water supply tank 4 supplies water to the wet desulfurization system; when the water supplementing quantity requirement of the desulfurization process is reduced, the desalting capacity of the concentrated water reverse osmosis equipment 7 is improved, and product water and concentrated water are obtained after desalting by the concentrated water reverse osmosis equipment 7;
s2.3, inputting the product water into a recycling point from a product water outlet of the concentrated water reverse osmosis equipment 7, and recycling the product water according to the requirement;
s3, conveying the concentrated water in the concentrated water reverse osmosis equipment 7 to a reverse osmosis concentrated water tank 8 through a pipeline for collection;
s4, the concentrated water reverse osmosis concentrated water pump 9 takes the concentrated water as the water for the desulphurization process and supplements the water to the water replenishing tank 4 for the desulphurization process; in the process that the concentrated water is supplemented into the desulfurization process water supplementing tank 4 through the concentrated water reverse osmosis concentrated water pump 9, the defoaming agent is added into an outlet pipeline of the concentrated water reverse osmosis concentrated water pump 9 through the defoaming agent automatic dosing device 10, the influence of the concentrated water on the foaming problem of the absorption tower is reduced, and the defoamed concentrated water is conveyed to the desulfurization process water supplementing tank 4.
The system combines a wet desulphurization process, the reverse osmosis concentrated water is recycled and reprocessed and is subjected to gradient utilization, and the insufficient part of the desulphurization process water can utilize the existing industrial water source, so that the operation of the existing system is not influenced.
Claims (4)
1. A reverse osmosis concentrated water gradient utilization system, comprising: the system comprises an automatic defoaming agent dosing device (10), a reverse osmosis concentrated water tank (1), a reverse osmosis concentrated water pump (2), a concentrated water reverse osmosis water inlet lifting pump (3), a concentrated water reverse osmosis water inlet cartridge filter (5), a concentrated water reverse osmosis high-pressure pump (6), a concentrated water reverse osmosis device (7), a reverse osmosis concentrated water tank (8) and a reverse osmosis concentrated water pump (9);
the reverse osmosis concentrated water tank (8) and the reverse osmosis concentrated water pump (9) are devices for storing and conveying concentrated water respectively; the concentrated water is the water produced by the water treatment desalination process and has higher concentration than the concentrated water;
a reverse osmosis concentrated water pump (2), a concentrated water reverse osmosis water inlet lifting pump (3), a concentrated water reverse osmosis high-pressure pump (6) and a reverse osmosis concentrated water pump (9) in the reverse osmosis concentrated water gradient utilization system are all electrically connected with the control system; level meters are arranged in the reverse osmosis concentrated water tank (1) and the reverse osmosis concentrated water tank (8), and flow meters are arranged on inlet and outlet pipelines of the reverse osmosis concentrated water pump (2), the concentrated water reverse osmosis water inlet lifting pump (3), the concentrated water reverse osmosis water inlet cartridge filter (5), the concentrated water reverse osmosis high-pressure pump (6), the concentrated water reverse osmosis equipment (7), the reverse osmosis concentrated water pump (9) and the defoaming agent automatic dosing equipment (10); all the liquid level meters and the flow meters are electrically connected with the control system;
the inlet of the reverse osmosis concentrated water tank (1) is connected with a concentrated water port of the reverse osmosis device (11), and the outlet of the reverse osmosis concentrated water tank (1) is divided into two paths to be respectively connected with the inlet of a reverse osmosis concentrated water pump (2) and the inlet of a concentrated water reverse osmosis water inlet lifting pump (3); the export of reverse osmosis concentrated water pump (2) is connected to desulfurization process moisturizing case (4) entry, dense water reverse osmosis lift pump (3) exit linkage reverse osmosis cartridge filter (5) entry of intaking, reverse osmosis water cartridge filter (5) exit linkage dense water reverse osmosis high-pressure pump (6) entry, dense water reverse osmosis high-pressure pump (6) exit linkage dense water reverse osmosis equipment (7), the dense water export of dense water reverse osmosis equipment (7) inserts the dense pond of reverse osmosis (8) entry, the product water export access retrieval and utilization point of dense water reverse osmosis equipment (7), the dense pond of reverse osmosis (8) exit linkage reverse osmosis (9) entry, dense water pump of reverse osmosis (9) exit linkage defoaming agent automatic reagent feeding equipment (10) entry, defoaming agent automatic reagent feeding equipment (10) exit linkage desulfurization process moisturizing case (4) entry.
2. The reverse osmosis concentrate gradient utilization system of claim 1, wherein: and the defoaming agent automatic dosing device (10) is used for controlling the foaming of the slurry of the absorption tower.
3. The reverse osmosis concentrate gradient utilization system of claim 1, wherein: the control system is PLC or DCS.
4. The reverse osmosis concentrate gradient utilization system of claim 1, wherein: the reverse osmosis concentrated water tank (8) and the reverse osmosis concentrated water tank (1) are built together; the reverse osmosis concentrated water tank (1) and the reverse osmosis concentrated water tank (8) are both of underground steel concrete structures.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122805713.3U CN216584310U (en) | 2021-11-12 | 2021-11-12 | Reverse osmosis concentrated water gradient utilization system |
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| CN202122805713.3U CN216584310U (en) | 2021-11-12 | 2021-11-12 | Reverse osmosis concentrated water gradient utilization system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113979512A (en) * | 2021-11-12 | 2022-01-28 | 浙江天地环保科技股份有限公司 | Reverse osmosis concentrated water gradient utilization system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113979512A (en) * | 2021-11-12 | 2022-01-28 | 浙江天地环保科技股份有限公司 | Reverse osmosis concentrated water gradient utilization system |
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Address after: 310012 99 Huaxing Road, Xihu District, Hangzhou, Zhejiang (Hangzhou Neusoft business building) Patentee after: Zhejiang Zheneng Technology Environmental Protection Group Co.,Ltd. Country or region after: China Address before: 310012 99 Huaxing Road, Xihu District, Hangzhou, Zhejiang (Hangzhou Neusoft business building) Patentee before: Zhejiang Tiandi Environmental Protection Technology Co.,Ltd. Country or region before: China |