CN102836629B - Flue gas desulfurization dust removal process and apparatus - Google Patents
Flue gas desulfurization dust removal process and apparatus Download PDFInfo
- Publication number
- CN102836629B CN102836629B CN201210329185.1A CN201210329185A CN102836629B CN 102836629 B CN102836629 B CN 102836629B CN 201210329185 A CN201210329185 A CN 201210329185A CN 102836629 B CN102836629 B CN 102836629B
- Authority
- CN
- China
- Prior art keywords
- dust collection
- collection column
- desulfurized dust
- flue gas
- dust removal
- 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
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
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Treating Waste Gases (AREA)
Abstract
The invention relates to a flue gas desulfurization dust removal technique, in particular to a flue gas desulfurization dust removal process and a flue gas desulfurization dust removal apparatus for solving the problems of overlarge occupied area in the existing flue gas desulfurization dust removal technique and unqualified discharging caused by interrupted discharging. The flue gas desulfurization dust removal process is realized by the following steps: a, ventilating sulfur-containing and ash-containing flue gas discharged from a boiler into alkaline water in a desulfurization and dust removal tower by an induced draft fan, enabling the sulfur-containing and ash-containing flue gas to be adequately contacted with the alkaline water, and absorbing sulfur dioxide, dust and nitrogen oxide in the sulfur-containing and ash-containing flue by the alkaline water; b, introducing the flue gas after being subjected to desulfurization dust removal to a turbo type dehydrating mechanism which is in high speed centrifugation rotation in the desulfurization and dust removal tower by the induced draft fan, and then dehydrating the flue gas subjected to desulfurization and dust removal by the turbo type dehydrating mechanism; and c, discharging the dehydrated flue gas out of the desulfurization and dust removal tower. The flue gas desulfurization dust removal process and the flue gas desulfurization dust removal apparatus are suitable for flue gas desulfurization dust removal in all kinds of production processes.
Description
Technical field
The present invention relates to flue gas desulfurization and dedusting technology, specifically a kind of fume desulfurizing and dedusting technology and device.
Background technology
In the flue gas that boiler is discharged, because containing a large amount of sulfur dioxide, dust, nitrogen oxide, conventionally can cause severe contamination to atmosphere.Thereby contaminated in order to prevent atmosphere, the flue gas that need to discharge boiler carries out desulfurization and dedusting.Existing flue gas desulfurization and dedusting technology is because self structure principle is limit, mainly there is following problem: one, existing flue gas desulfurization and dedusting technology mainly adopts quick lime as desulfurizing agent, in order to reach zero-emission standard, conventionally corresponding corollary equipment need to be installed, cause its floor space excessive.Its two, in existing flue gas desulfurization and dedusting technology, when the concentration of salt reaches capacity in desulfurizing agent, need to end desulfurization and dedusting process and extract the salt in desulfurizing agent, cause it to occur intermittent discharge, and then cause discharge not up to standard.Based on this, be necessary to invent a kind of brand-new flue gas desulfurization and dedusting technology, excessive and cause discharge problem not up to standard because of intermittent discharge to solve existing flue gas desulfurization and dedusting technology floor space.
Summary of the invention
The present invention is excessive and because intermittent discharge causes discharge problem not up to standard in order to solve existing flue gas desulfurization and dedusting technology floor space, and a kind of fume desulfurizing and dedusting technology and device are provided.
The present invention adopts following technical scheme to realize: fume desulfurizing and dedusting technology, this technique is to adopt following steps to realize: the sulfur-bearing ash-laden gas that a. discharges boiler by air-introduced machine passes into the alkaline water that is arranged in desulfurized dust collection column, sulfur-bearing ash-laden gas is fully contacted with alkaline water, sulfur dioxide in sulfur-bearing ash-laden gas, dust, nitrogen oxide are absorbed by alkaline water, and alkaline water carries out desulfurization and dedusting to sulfur-bearing ash-laden gas thus; B. by air-introduced machine, the flue gas after desulfurization and dedusting is passed into the turbine type dewatering device of the high speed centrifugation rotation that is positioned at desulfurized dust collection column, turbine type dewatering device dewaters to the flue gas after desulfurization and dedusting thus; The water that turbine type dewatering device is deviate from is back in alkaline water; C. by chimney, the flue gas after dehydration is discharged outside desulfurized dust collection column; After the dust absorbing until alkaline water has precipitated, will precipitate respectively with alkaline water and discharge outside desulfurized dust collection column.
Desulfurating dust removing device for flue gas (this device is used for realizing fume desulfurizing and dedusting technology of the present invention), comprises the first desulfurized dust collection column, the second desulfurized dust collection column, air-introduced machine, chimney, tap water pipe line, alkali lye regulating reservoir, sulfate crystal process system, liquid caustic soda pond and liquid caustic soda tank; Wherein, the outlet air end of air-introduced machine connects respectively the inlet end of the first desulfurized dust collection column and the inlet end of the second desulfurized dust collection column; The inlet end of chimney connects respectively the outlet side of the first desulfurized dust collection column and the outlet side of the second desulfurized dust collection column; Tap water pipe line connects respectively the liquid feeding end of the first desulfurized dust collection column, the liquid feeding end of the liquid feeding end of the second desulfurized dust collection column, alkali lye regulating reservoir; The outlet end of alkali lye regulating reservoir connects respectively the liquid feeding end of the first desulfurized dust collection column and the liquid feeding end of the second desulfurized dust collection column; The liquid feeding end of sulfate crystal process system connects respectively the outlet end of the first desulfurized dust collection column and the outlet end of the second desulfurized dust collection column; The outlet end in liquid caustic soda pond connects the liquid feeding end of liquid caustic soda tank; The outlet end of liquid caustic soda tank connects the liquid feeding end of the first desulfurized dust collection column; In the first desulfurized dust collection column and in the second desulfurized dust collection column, a turbine type dewatering device is respectively installed.
During work, the air intake of air-introduced machine connects boiler.In liquid caustic soda pond, store liquid caustic soda.In alkali lye regulating reservoir, store alkali lye.By tap water pipe line respectively to injected water in the first desulfurized dust collection column and in the second desulfurized dust collection column.Liquid caustic soda pond is injected liquid caustic soda by liquid caustic soda tank in the first desulfurized dust collection column.Alkali lye regulating reservoir injects alkali lye respectively in the first desulfurized dust collection column and in the second desulfurized dust collection column.Liquid caustic soda, alkali lye, water are mixed to form alkaline water in the first desulfurized dust collection column.Alkali lye, water are mixed to form alkaline water in the second desulfurized dust collection column.Specific works process is as follows: first, open the first desulfurized dust collection column, and close the second desulfurized dust collection column.The sulfur-bearing ash-laden gas of boiler being discharged by air-introduced machine passes into the alkaline water that is arranged in the first desulfurized dust collection column.Sulfur-bearing ash-laden gas fully contacts with the alkaline water that is positioned at the first desulfurized dust collection column, and the sulfur dioxide in sulfur-bearing ash-laden gas, dust, nitrogen oxide are absorbed by alkaline water, and alkaline water carries out desulfurization and dedusting to sulfur-bearing ash-laden gas thus.Then, by air-introduced machine, the flue gas after desulfurization and dedusting is passed into the turbine type dewatering device of the high speed centrifugation rotation that is positioned at the first desulfurized dust collection column, turbine type dewatering device dewaters to the flue gas after desulfurization and dedusting thus.The water that turbine type dewatering device is deviate from is back in alkaline water.Then, by chimney, the flue gas after dehydration is discharged outside the first desulfurized dust collection column.After the dust absorbing until alkaline water has precipitated, respectively precipitation and alkaline water are discharged outside the first desulfurized dust collection column, wherein alkaline water is expelled to sulfate crystal process system and recycles.Meanwhile, close the first desulfurized dust collection column, and open the second desulfurized dust collection column.The sulfur-bearing ash-laden gas of boiler being discharged by air-introduced machine passes into the alkaline water that is arranged in the second desulfurized dust collection column.Sulfur-bearing ash-laden gas fully contacts with the alkaline water that is positioned at the second desulfurized dust collection column, and the sulfur dioxide in sulfur-bearing ash-laden gas, dust, nitrogen oxide are absorbed by alkaline water, and alkaline water carries out desulfurization and dedusting to sulfur-bearing ash-laden gas thus.Then, by air-introduced machine, the flue gas after desulfurization and dedusting is passed into the turbine type dewatering device of the high speed centrifugation rotation that is positioned at the second desulfurized dust collection column, turbine type dewatering device dewaters to the flue gas after desulfurization and dedusting thus.The water that turbine type dewatering device is deviate from is back in alkaline water.Then, by chimney, the flue gas after dehydration is discharged outside the second desulfurized dust collection column.After the dust absorbing until alkaline water has precipitated, respectively precipitation and alkaline water are discharged outside the second desulfurized dust collection column, wherein alkaline water is expelled to sulfate crystal process system and recycles.Meanwhile, reopen the first desulfurized dust collection column, and again close the second desulfurized dust collection column.Thus, the first desulfurized dust collection column and the second desulfurized dust collection column, by alternation, have just been realized the sulfur-bearing ash-laden gas that boiler is discharged and have been carried out unremitting desulfurization and dedusting.Based on said process, compare with existing flue gas desulfurization and dedusting technology, fume desulfurizing and dedusting technology of the present invention and device have the following advantages: one, fume desulfurizing and dedusting technology of the present invention and device adopt alkaline water as desulfurizing agent, can directly reach zero-emission standard, thereby saved corresponding corollary equipment, effectively saved floor space.Its two, fume desulfurizing and dedusting technology of the present invention and device adopt two desulfurized dust collection column alternations, when in desulfurizing agent, the concentration of salt reaches capacity, without ending desulfurization and dedusting process, just can extract the salt in desulfurizing agent, realize thus free of discontinuities discharge, and then realize emission compliance.In sum, it is excessive and cause discharge problem not up to standard because of intermittent discharge that fume desulfurizing and dedusting technology of the present invention and device have thoroughly solved existing flue gas desulfurization and dedusting technology floor space effectively.
The present invention is based on brand-new principle and structure, efficiently solve existing flue gas desulfurization and dedusting technology floor space excessive and because intermittent discharge causes discharge problem not up to standard, be applicable to the flue gas desulfurization and dedusting in all kinds of production processes.
Accompanying drawing explanation
Fig. 1 is the structural representation of desulfurating dust removing device for flue gas of the present invention.
In figure: 1-the first desulfurized dust collection column, 2-the second desulfurized dust collection column, 3-air-introduced machine, 4-chimney, 5-tap water pipe line, 6-alkali lye regulating reservoir, 7-sulfate crystal process system, 8-liquid caustic soda pond, 9-liquid caustic soda tank, 10-baffle plate, 11-control valve, 12-ash discharge draining valve, 13-acid and alkali pumps, 14-boiler.
The specific embodiment
Fume desulfurizing and dedusting technology, this technique is to adopt following steps to realize: the sulfur-bearing ash-laden gas that a. discharges boiler by air-introduced machine passes into the alkaline water that is arranged in desulfurized dust collection column, sulfur-bearing ash-laden gas is fully contacted with alkaline water, sulfur dioxide in sulfur-bearing ash-laden gas, dust, nitrogen oxide are absorbed by alkaline water, and alkaline water carries out desulfurization and dedusting to sulfur-bearing ash-laden gas thus; B. by air-introduced machine, the flue gas after desulfurization and dedusting is passed into the turbine type dewatering device of the high speed centrifugation rotation that is positioned at desulfurized dust collection column, turbine type dewatering device dewaters to the flue gas after desulfurization and dedusting thus; The water that turbine type dewatering device is deviate from is back in alkaline water; C. by chimney, the flue gas after dehydration is discharged outside desulfurized dust collection column; After the dust absorbing until alkaline water has precipitated, will precipitate respectively with alkaline water and discharge outside desulfurized dust collection column.
Desulfurating dust removing device for flue gas (this device is used for realizing fume desulfurizing and dedusting technology of the present invention), comprises the first desulfurized dust collection column 1, the second desulfurized dust collection column 2, air-introduced machine 3, chimney 4, tap water pipe line 5, alkali lye regulating reservoir 6, sulfate crystal process system 7, liquid caustic soda pond 8 and liquid caustic soda tank 9; Wherein, the outlet air end of air-introduced machine 3 connects respectively the inlet end of the first desulfurized dust collection column 1 and the inlet end of the second desulfurized dust collection column 2; The inlet end of chimney 4 connects respectively the outlet side of the first desulfurized dust collection column 1 and the outlet side of the second desulfurized dust collection column 2; Tap water pipe line 5 connects respectively the liquid feeding end of the first desulfurized dust collection column 1, the liquid feeding end of the liquid feeding end of the second desulfurized dust collection column 2, alkali lye regulating reservoir 6; The outlet end of alkali lye regulating reservoir 6 connects respectively the liquid feeding end of the first desulfurized dust collection column 1 and the liquid feeding end of the second desulfurized dust collection column 2; The liquid feeding end of sulfate crystal process system 7 connects respectively the outlet end of the first desulfurized dust collection column 1 and the outlet end of the second desulfurized dust collection column 2; The outlet end in liquid caustic soda pond 8 connects the liquid feeding end of liquid caustic soda tank 9; The outlet end of liquid caustic soda tank 9 connects the liquid feeding end of the first desulfurized dust collection column 1; In the first desulfurized dust collection column 1 with in the second desulfurized dust collection column 2, a turbine type dewatering device is respectively installed;
Between the inlet end of the outlet air end of air-introduced machine 3 and the first desulfurized dust collection column 1, be respectively connected with a baffle plate 10 between the outlet air end of air-introduced machine 3 and the inlet end of the second desulfurized dust collection column 2; Between the liquid feeding end of the outlet end of alkali lye regulating reservoir 6 and the first desulfurized dust collection column 1, between the outlet end of alkali lye regulating reservoir 6 and the liquid feeding end of the second desulfurized dust collection column 2, be respectively connected with a control valve 11 between the outlet end of liquid caustic soda tank 9 and the liquid feeding end of the first desulfurized dust collection column 1; Between the outlet end of the liquid feeding end of sulfate crystal process system 7 and the first desulfurized dust collection column 1, be respectively connected with an ash discharge draining valve 12 between the liquid feeding end of sulfate crystal process system 7 and the outlet end of the second desulfurized dust collection column 2; Between the liquid feeding end of the outlet end of alkali lye regulating reservoir 6 and the first desulfurized dust collection column 1, between the outlet end of alkali lye regulating reservoir 6 and the liquid feeding end of the second desulfurized dust collection column 2, be respectively connected with an acid and alkali pumps 13 between the outlet end in liquid caustic soda pond 8 and the liquid feeding end of liquid caustic soda tank 9.During work, by baffle plate, can control respectively opening and closing of the first desulfurized dust collection column and the second desulfurized dust collection column.Amount, the alkali lye regulating reservoir that by control valve, can regulate respectively alkali lye regulating reservoir to inject alkali lye to the first desulfurized dust collection column inject the amount of liquid caustic soda to amount, the liquid caustic soda tank of the second desulfurized dust collection column injection alkali lye to the first desulfurized dust collection column.By ash discharge draining valve, can discharge respectively precipitation and the alkaline water in the first desulfurized dust collection column and the second desulfurized dust collection column.By acid and alkali pumps, can respectively the liquid caustic soda in liquid caustic soda pond be pumped into liquid caustic soda tank, the alkali lye in alkali lye regulating reservoir is pumped into the first desulfurized dust collection column, the alkali lye in alkali lye regulating reservoir is pumped into the second desulfurized dust collection column.
Claims (2)
1. a desulfurating dust removing device for flue gas, is characterized in that: comprise the first desulfurized dust collection column (1), the second desulfurized dust collection column (2), air-introduced machine (3), chimney (4), tap water pipe line (5), alkali lye regulating reservoir (6), sulfate crystal process system (7), liquid caustic soda pond (8) and liquid caustic soda tank (9); Wherein, the outlet air end of air-introduced machine (3) connects respectively the inlet end of the first desulfurized dust collection column (1) and the inlet end of the second desulfurized dust collection column (2); The inlet end of chimney (4) connects respectively the outlet side of the first desulfurized dust collection column (1) and the outlet side of the second desulfurized dust collection column (2); Tap water pipe line (5) connects respectively the liquid feeding end of the first desulfurized dust collection column (1), the liquid feeding end of the liquid feeding end of the second desulfurized dust collection column (2), alkali lye regulating reservoir (6); The outlet end of alkali lye regulating reservoir (6) connects respectively the liquid feeding end of the first desulfurized dust collection column (1) and the liquid feeding end of the second desulfurized dust collection column (2); The liquid feeding end of sulfate crystal process system (7) connects respectively the outlet end of the first desulfurized dust collection column (1) and the outlet end of the second desulfurized dust collection column (2); The outlet end in liquid caustic soda pond (8) connects the liquid feeding end of liquid caustic soda tank (9); The outlet end of liquid caustic soda tank (9) connects the liquid feeding end of the first desulfurized dust collection column (1); In the first desulfurized dust collection column (1) and in the second desulfurized dust collection column (2), a turbine type dewatering device is respectively installed.
2. desulfurating dust removing device for flue gas according to claim 1, is characterized in that: between the outlet air end of air-introduced machine (3) and the inlet end of the first desulfurized dust collection column (1), be respectively connected with a baffle plate (10) between the outlet air end of air-introduced machine (3) and the inlet end of the second desulfurized dust collection column (2); Between the liquid feeding end of the outlet end of alkali lye regulating reservoir (6) and the first desulfurized dust collection column (1), between the outlet end of alkali lye regulating reservoir (6) and the liquid feeding end of the second desulfurized dust collection column (2), be respectively connected with a control valve (11) between the outlet end of liquid caustic soda tank (9) and the liquid feeding end of the first desulfurized dust collection column (1); Between the outlet end of the liquid feeding end of sulfate crystal process system (7) and the first desulfurized dust collection column (1), be respectively connected with an ash discharge draining valve (12) between the liquid feeding end of sulfate crystal process system (7) and the outlet end of the second desulfurized dust collection column (2); Between the liquid feeding end of the outlet end of alkali lye regulating reservoir (6) and the first desulfurized dust collection column (1), between the outlet end of alkali lye regulating reservoir (6) and the liquid feeding end of the second desulfurized dust collection column (2), be respectively connected with an acid and alkali pumps (13) between the outlet end of liquid caustic soda pond (8) and the liquid feeding end of liquid caustic soda tank (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210329185.1A CN102836629B (en) | 2012-09-07 | 2012-09-07 | Flue gas desulfurization dust removal process and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210329185.1A CN102836629B (en) | 2012-09-07 | 2012-09-07 | Flue gas desulfurization dust removal process and apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102836629A CN102836629A (en) | 2012-12-26 |
| CN102836629B true CN102836629B (en) | 2014-11-19 |
Family
ID=47364512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210329185.1A Active CN102836629B (en) | 2012-09-07 | 2012-09-07 | Flue gas desulfurization dust removal process and apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102836629B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102049168A (en) * | 2009-10-28 | 2011-05-11 | 盐城市大天力环境治理有限公司 | Equipment for flue gas desulfurization by use of industrial wastewater |
| CN201949791U (en) * | 2011-03-11 | 2011-08-31 | 王中位 | Turbine whirlpool water bath-type desulfurization and dehydration dust removing device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3929967A (en) * | 1972-01-03 | 1975-12-30 | Everett Douglas Cann | High temperature flue gas treatment |
| CN1428186A (en) * | 2001-12-24 | 2003-07-09 | 熊天渝 | Sodium base or magnesium base wet flue gas desulfurizing system capable of completely recovering by-product without wastes |
| CN201832548U (en) * | 2010-08-27 | 2011-05-18 | 深圳市翔宇环保科技有限公司 | Denitration treatment device for purifying flue gas |
| CN102527224A (en) * | 2011-12-31 | 2012-07-04 | 北京利德衡环保工程有限公司 | Method and device for removing sulfur dioxide and nitrogen oxides from flue gas/ waste gas |
-
2012
- 2012-09-07 CN CN201210329185.1A patent/CN102836629B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102049168A (en) * | 2009-10-28 | 2011-05-11 | 盐城市大天力环境治理有限公司 | Equipment for flue gas desulfurization by use of industrial wastewater |
| CN201949791U (en) * | 2011-03-11 | 2011-08-31 | 王中位 | Turbine whirlpool water bath-type desulfurization and dehydration dust removing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102836629A (en) | 2012-12-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202683052U (en) | Front semi-dry gas desulfurization system | |
| CN203816490U (en) | Offshore desulfuration and dust removal system by using fresh water and sea water | |
| CN102357337A (en) | Desulphurization technology through sodium-calcium dual-alkali method | |
| CN204933142U (en) | A kind of pipeline pretreatment unit of desulphurization system | |
| CN105148697A (en) | Flue gas desulfurization and denitrification system | |
| CN104119946B (en) | A kind of catalytic cracking flue gas desulfurization and Acidic Gas Treating technique | |
| CN203533589U (en) | Dust removing and desulfurizing device for coal-fired boiler | |
| CN203075830U (en) | Desulfurizing tower | |
| CN202740999U (en) | Novel flue gas desulfurization device | |
| CN201389423Y (en) | Flue gas desulphurization dust removing tower for coal burning boiler | |
| CN105126593A (en) | Device and method for desulphurization and dust-removal | |
| CN103691294B (en) | Wet type double alkali method desulfurizing dust arrester and technique | |
| CN105964071A (en) | Half-dry type flue gas desulfurization device and method | |
| CN102836629B (en) | Flue gas desulfurization dust removal process and apparatus | |
| CN205586752U (en) | High -efficient desulfurization machine of ultrasonic wave | |
| CN107261795A (en) | A kind of flue gas high-efficiency desulfurization equipment and processing method | |
| CN110776131A (en) | Zero-discharge system and process for regenerated wastewater of condensate fine treatment system of coal-fired power plant | |
| CN204710022U (en) | The treating apparatus of desulfurization, dedusting, cooling and dehydration is carried out time prepared by a kind of nano-calcium carbonate | |
| CN203379801U (en) | Desulfurization device | |
| CN207941388U (en) | A kind of energy-saving desulfuration device of automatic control system | |
| CN204933239U (en) | Flue gas desulphurization system | |
| CN102188894B (en) | Method and system for supplying desulphurization absorbent in flue | |
| CN201593796U (en) | Atomizing and desulfurizing dust removing device | |
| CN210009825U (en) | Wet desulphurization system with high desulphurization efficiency and high reliability | |
| CN213739317U (en) | Cleaning device for injector of fine desulfurization tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANXI HJX ENVIRONMENTAL PROTECTION EQUIPMENT CO., Free format text: FORMER OWNER: WANG ZHONGWEI Effective date: 20150617 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150617 Address after: 034100, Xinzhou City, Shanxi province Yuanping City South Dayun Road South (Village Development Zone) Patentee after: SHANXI HJX ENVIRONMENTAL PROTECTION EQUIPMENT Co.,Ltd. Address before: 034100 Shanxi city of Xinzhou province Yuanping City Road Bridge Beijing Hutong No. 1 Patentee before: Wang Zhongwei |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20230809 Address after: 030006 Station 222, Huanyu Xingchuang Space, Building 1-8, No. 8 E-commerce Street, Xuefu Park, Taiyuan Comprehensive Reform Demonstration Zone, Taiyuan City, Shanxi Province Patentee after: Shanxi haiyunxing Environmental Protection Technology Co.,Ltd. Address before: 034100 South Dayun Road, Yuanping City, Xinzhou City, Shanxi Province (Jiecun Development Zone) Patentee before: SHANXI HJX ENVIRONMENTAL PROTECTION EQUIPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right |