CN201492952U - Flue gas heat source heat pipe-type evaporation device of byproduct in ammonia process of flue gas desulfurization - Google Patents
Flue gas heat source heat pipe-type evaporation device of byproduct in ammonia process of flue gas desulfurization Download PDFInfo
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- CN201492952U CN201492952U CN2009202335998U CN200920233599U CN201492952U CN 201492952 U CN201492952 U CN 201492952U CN 2009202335998 U CN2009202335998 U CN 2009202335998U CN 200920233599 U CN200920233599 U CN 200920233599U CN 201492952 U CN201492952 U CN 201492952U
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Abstract
The utility model relates to a flue gas heat source heat pipe-type evaporation device of byproducts in the ammonia process of flue gas desulfurization. The device comprises an evaporator, a heat exchanger and a circulating pump, which are connected through a circulation pipeline, wherein the evaporator is provided with a feed liquid inlet pipe, a feed liquid outlet pipe, a steam outlet and a slurry outlet; the inner cavity of the heat exchanger is divided by a partition plate into a flue gas chamber and a feed liquid chamber; at least one heat pipe is arranged inside the heat exchanger and passes through the partition plate; the flue gas chamber is provided with a flue gas inlet pipe and a flue gas outlet pipe; the feed liquid chamber is provided with a feed liquid inlet pipe and a feed liquid outlet pipe; the heat exchanger is connected with the feed liquid inlet pipe of the evaporator through the feed liquid outlet pipe; and the circulating pump is connected between the feed liquid outlet pipe of the evaporator and the feed liquid inlet pipe of the heat exchanger. The device utilizes the flue gas waste heat as the heat source for the concentration and evaporation of the ammonium sulfate liquid, achieves the high-efficiency heat transfer by means of the heat pipe, and has the characteristics of low energy consumption and high efficiency.
Description
Technical field
The utility model relates to a kind of flue gas thermal source heat pipe-type vaporising device of device, particularly ammonia type flue gas desulfurizing accessory substance of the condensing crystallizing that is used for ammonia type flue gas desulfurizing accessory substance ammonium sulfate feed liquid.
Background technology
Coal is China's main energy sources, and the sulfur dioxide in the coal-fired flue-gas has caused serious pollution to atmospheric environment.Therefore must carry out desulfurization before the coal-fired flue-gas discharging handles.Wet ammonia process desulfurizing promptly is one of method of present comparatively ripe flue gas desulfurization, and its accessory substance ammonium sulfate can be used as chemical fertilizer and recycles.
Wet ammonia process desulfurizing adopts the SO in the ammonia absorption flue gas
2, reaction generates ammonium sulfite, and ammonium sulfite is generated the ammonium sulfate feed liquid by the force air oxidation, can make ammonium sulfate fertilizer through separating conventional treatment such as drying again after the feed liquid crystallization.For the ammonia process of desulfurization, the cost recovery of ammonium sulfate, but the energy consumption of i.e. feed liquid crystallization directly has influence on the generalization of the economy and the technology of desulfurizer.Method for crystallising commonly used at present is that the ammonium sulfate feed liquid is drawn from desulphurization system, adopts steam that heat energy is provided, and with the feed liquid heating evaporation, reaches the purpose of condensing crystallizing.This need are higher with the conventional method energy consumption of high-temperature water vapor heating, and operating cost is higher.Therefore the ammonium sulfate vaporising device of developing a kind of low energy consumption just has very strong realistic meaning.
Summary of the invention
The purpose of this utility model provides a kind of flue gas thermal source heat pipe-type vaporising device of energy-efficient ammonia type flue gas desulfurizing accessory substance, and it can make full use of the condensing crystallizing that the flue gas self heat is carried out the ammonium sulfate feed liquid, to reduce the ammonium sulfate crystallization energy consumption.
This vaporising device comprises evaporimeter, heat exchanger and circulating pump, the three is connected by circulation line, evaporimeter is provided with liquor inlet pipe, material liquid outlet pipe, steam outlet and slurries outlet, be divided into smoke chamber and feed liquid chamber with dividing plate in the chamber of said heat exchanger, be provided with at least one heat pipe that passes through dividing plate in the heat exchanger, the evaporator section of heat pipe is positioned at smoke chamber, and condensation segment is positioned at the feed liquid chamber; Smoke chamber is provided with the inlet tube and the outlet of flue gas, the feed liquid chamber is provided with liquor inlet pipe and material liquid outlet pipe, heat exchanger is connected with the liquor inlet pipe of evaporimeter by the material liquid outlet pipe, and circulating pump is connected between the liquor inlet pipe of the material liquid outlet pipe of evaporimeter and heat exchanger; Heat pipe is the Totally enclosed vacuum pipe that includes working medium.
The top of the evaporimeter of saying is provided with demister or drip ring.
The bottom of said evaporimeter is provided with eddy current cross baffle plate.
The smoke outlet tube of said heat exchanger is provided with ash discharging hole.
Said heat exchanger can be separate unit setting or many parallel connections or the setting of connecting.
Said evaporimeter also can be that separate unit setting or many connect into evaporator bank.
Said heat pipe is imbibition core heat pipe, gravity assisted heat pipe, two-phase closed type hot siphon or gravity auxiliary heat pipe.
Wear sheet, screw type that heat pipe outer wall is provided with augmentation of heat transfer twine sheet or vertically straight rib fin, are good with the single-row vertically straight rib fin of axial symmetry wherein.
This device adopts heat-pipe heat exchanger to carry out the heat exchange of flue gas and ammonium sulfate feed liquid, working medium in the heat pipe absorbs flue gas heat and carburation by evaporation, Working medium gas after the vaporization and the heat exchange of ammonium sulfate feed liquid, condensation of gas becomes drop, condensate liquid is got back to heat side by capillary pressure or gravity, and the latent heat of vaporization that while working medium is emitted makes feed liquid be heated intensification; Absorb heat the repeatedly phase transition process of evaporation, condensation heat release of working medium in the heat pipe, thereby the heat of flue gas is constantly conducted to feed liquid, feed liquid after intensification carburation by evaporation in evaporimeter, discharge water steam, feed liquid is concentrated crystallization simultaneously, the ammonium sulfate slurries of high concentration are discharged from base of evaporator, send conventional after-treatment system further to dehydrate, and make commodity ammonium sulfate.The utility model as the thermal source of the required usefulness of ammonium sulfate feed liquid evaporation and concentration, need not to add high-temperature water vapor with the former flue gas of high temperature (being generally 110～150 ℃), effectively reduces energy consumption.
This device adopts heat-pipe heat exchanger, and heat transfer rate is fast, and the heat transfer efficiency height can make flue gas comparatively fast lower the temperature, thereby has reduced smoke evacuation power, can effectively reduce the smoke content that enters desulphurization system, helps the stable operation of desulphurization system; Utilize flue gas heat to realize the evaporative crystallization of sulphur ammonium feed liquid, effectively saved energy consumption; Because solution evaporates and separating out all of crystal realized in this device, so does not have the existence of crystal in the circulation feed liquid of desulphurization system substantially, has effectively avoided the obstruction of system and the abrasion of relevant device; Because heat exchange of heat pipe, formations such as evaporation separation chamber etc. is the forced-circulation evaporation system, therefore, no matter relevant device at a distance of how far with which kind of is in highly, can both be realized closed cycle, adaptability is wider; Heat exchange of heat pipe separates cold fluid and hot fluid by dividing plate fully, even be damaged in abrasion, the corrosion of the single heat pipe of running because of sulphur ammonium slip, the doping of cold fluid and hot fluid can not take place also; Because flue gas is in the mobile horizontal heat exchange of plunderring of pipe outer wall, its perturbation is strengthened.Add heat pipe wall temperature height, tube wall wall temperature height, pipe is outer to be drying regime all the time, therefore, also just can coking not be difficult for adhering to cigarette ash, thereby it just can prevent from effectively to stop up.
Description of drawings
Fig. 1 is the structural representation of the flue gas thermal source heat pipe-type vaporising device of the utility model ammonia type flue gas desulfurizing accessory substance.
Fig. 2 is the heat exchanger structure schematic diagram.
Among the figure, 1-heat exchanger, 2-circulating pump, 3-evaporimeter, the 10-circulation line, 11-heat exchanger dividing plate, 12-advances the cigarette interface, 13-smoke interface, 13-1-flue gas ash discharging hole, chamber import on the 14-heat exchanger, chamber outlet on the 15-heat exchanger, 16-flue gas inlet tube, the 17-smoke outlet tube, 18-heat pipe, 19-working medium, the 31-demister, 32-eddy current cross baffle plate, 33-steam outlet, 34-material liquid outlet pipe, 35-liquor inlet pipe, 36-slurries outlet.
The specific embodiment
As Fig. 1, the flue gas thermal source heat pipe-type vaporising device of this ammonia type flue gas desulfurizing accessory substance is provided with evaporimeter 3, heat exchanger 1 and circulating pump 2 and corresponding circulation line 10.Heat exchanger 1 structure is seen Fig. 2, is divided into smoke chamber (being illustrated as down the chamber) and feed liquid chamber (being illustrated as the chamber) with dividing plate 11 in the heat exchanger 1, and heat pipe 18 passes dividing plate 11.Heat pipe 18 is a sealed tube, vacuumizes and be provided with working medium 19 (aqueous solution of ethanol, water or ethanol) in the pipe.
This device operation principle is as follows: see Fig. 1, former flue gas feeds 1 time chamber of heat exchanger (being smoke chamber) by gas approach 12; From the ammonium sulfate feed liquid of desulphurization system and the backflow feed liquid of after-treatment system, enter circulation line 10, be conveyed into chamber on the heat exchanger 1 (being the feed liquid chamber) by circulating pump 2.See Fig. 2, the former flue gas of high temperature by flue gas inlet tube 16, enter the following chamber that cigarette interface 12 feeds heat exchangers 1, with working medium 19 heat exchanges in the heat pipe 18 bottom evaporator sections, working medium absorbs flue gas heat and vaporizes, steam rises to the top (condensation segment) of heat pipe 18, carries out heat exchange with ammonium sulfate feed liquid indoor on the heat exchanger 1, working substance steam heat release condensation, condensate liquid descends and is back to the evaporator section of heat pipe 18, and the latent heat of vaporization that condensation is emitted is then obtained by ammonium sulfate feed liquid indoor on the heat exchanger 1.Working medium 19 changes between liquid phase and gas phase again and again, simultaneously flue gas heat is constantly passed to the ammonium sulfate feed liquid.Feed liquid after being heated is gone into evaporimeter 3 by pump 2 from import 35, water evaporates vaporization in the feed liquid, emptying after steam outlet 33 direct emptyings or the vacuum cooled, the slurries of the high concentration behind the condensing crystallizing are discharged from evaporimeter 3 bottom slurries outlets 36, send conventional after-treatment system further to dehydrate, make commodity ammonium sulfate.Flue gas after the cooling discharges desulphurization system from heat exchanger 1 outlet 17.
The top of evaporimeter 3 is provided with demister (or drip ring) 31, to prevent the reentrainment of steam.
But the generation of eddy current in eddy current cross baffle plate 32 preventers of the bottom of evaporimeter 3, thereby stable slurry circulation amount is kept in the vibrations of minimizing vaporization cycle pump and circulation line.
Claims (9)
1. the flue gas thermal source heat pipe-type vaporising device of ammonia type flue gas desulfurizing accessory substance comprises evaporimeter, heat exchanger and circulating pump, and the three is connected by circulation line; Evaporimeter is provided with liquor inlet pipe, material liquid outlet pipe, steam outlet and slurries outlet, it is characterized in that being divided into smoke chamber and feed liquid chamber with dividing plate in the chamber of said heat exchanger, be provided with at least one heat pipe that passes through dividing plate in the heat exchanger, the evaporator section of heat pipe is positioned at smoke chamber, and condensation segment is positioned at the feed liquid chamber; Smoke chamber is provided with the inlet tube and the outlet of flue gas, the feed liquid chamber is provided with liquor inlet pipe and material liquid outlet pipe, heat exchanger is connected with the liquor inlet pipe of evaporimeter by the material liquid outlet pipe, and circulating pump is connected between the liquor inlet pipe of the material liquid outlet pipe of evaporimeter and heat exchanger.
2. the flue gas thermal source heat pipe-type vaporising device of ammonia type flue gas desulfurizing accessory substance according to claim 1 is characterized in that said heat pipe is imbibition core heat pipe, gravity assisted heat pipe, two-phase closed type hot siphon or gravity auxiliary heat pipe.
3. flue gas thermal source heat pipe-type vaporising device according to claim 2 is characterized in that the top of said evaporimeter is provided with demister or drip ring.
4. flue gas thermal source heat pipe-type vaporising device according to claim 3 is characterized in that the bottom of said evaporimeter is provided with eddy current cross baffle plate.
5. flue gas thermal source heat pipe-type vaporising device according to claim 4 is characterized in that the smoke outlet tube of said heat exchanger is provided with ash discharging hole.
6. according to claim 1 or 2 or 3 or 4 or 5 described flue gas thermal source heat pipe-type vaporising devices, it is characterized in that heat pipe outer wall be provided with augmentation of heat transfer wear sheet, screw type is twined sheet or vertically straight rib fin.
7. flue gas thermal source heat pipe-type vaporising device according to claim 6 is characterized in that heat pipe outer wall is provided with the single-row vertically straight rib fin of axial symmetry.
8. flue gas thermal source heat pipe-type vaporising device according to claim 6 is characterized in that said heat exchanger is separate unit setting or many parallel connections or the setting of connecting.
9. flue gas thermal source heat pipe-type vaporising device according to claim 6 is characterized in that said evaporimeter is that separate unit setting or many connect into evaporator bank.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202335998U CN201492952U (en) | 2009-08-12 | 2009-08-12 | Flue gas heat source heat pipe-type evaporation device of byproduct in ammonia process of flue gas desulfurization |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202335998U CN201492952U (en) | 2009-08-12 | 2009-08-12 | Flue gas heat source heat pipe-type evaporation device of byproduct in ammonia process of flue gas desulfurization |
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| CN102363084A (en) * | 2011-06-30 | 2012-02-29 | 神华集团有限责任公司 | Oil-water separation method and device for chilling system in process using coal-based methanol to produce propylene |
| CN102380218A (en) * | 2011-09-29 | 2012-03-21 | 上海奥格利环保工程有限公司 | Vertical evaporator with gravity assisted heat tubes for production of sulfuric acid |
| CN104061580A (en) * | 2014-06-16 | 2014-09-24 | 河南心连心化肥有限公司 | Ammonia desulphurization device for treating flue gas desulphurization and process thereof |
| CN105311937A (en) * | 2014-06-11 | 2016-02-10 | 成都新筑展博环保科技有限公司 | Method of producing ammonium sulfate through flue gas desulfurization |
| CN105536506A (en) * | 2016-01-27 | 2016-05-04 | 西安建筑科技大学 | Online kiln exit gas self-desulfuration method and system |
| US10016721B1 (en) | 2017-05-25 | 2018-07-10 | Jiangnan Environmental Protection Group Inc. | Ammonia-based desufurization process and apparatus |
| CN108283878A (en) * | 2018-04-10 | 2018-07-17 | 福建龙净环保股份有限公司 | Desulphurization system and its radiator |
| US10092877B1 (en) | 2017-05-25 | 2018-10-09 | Jiangnan Environmental Protection Group Inc. | Dust removal and desulfurization of FCC exhaust gas |
| US10099170B1 (en) | 2017-06-14 | 2018-10-16 | Jiangnan Environmental Protection Group Inc. | Ammonia-adding system for ammonia-based desulfurization device |
| US10112145B1 (en) | 2017-09-07 | 2018-10-30 | Jiangnan Environmental Protection Group Inc. | Method for controlling aerosol production during absorption in ammonia desulfurization |
| US20190001267A1 (en) | 2017-07-03 | 2019-01-03 | Jiangnan Environmental Protection Group Inc. | Desulfurization absorption tower |
| US10207220B2 (en) | 2017-03-15 | 2019-02-19 | Jiangnan Environmental Protection Group Inc. | Method and apparatus for removing sulfur oxides from gas |
| CN110508023A (en) * | 2019-08-27 | 2019-11-29 | 南京圣创科技有限公司 | A kind of method for utilizing flue gas heat crystallize outside tower in flue gas desulfurization |
| US10953365B2 (en) | 2018-07-20 | 2021-03-23 | Jiangnan Environmental Protection Group Inc. | Acid gas treatment |
| US11027234B2 (en) | 2018-04-13 | 2021-06-08 | Jiangnan Environmental Protection Group Inc. | Oxidization of ammonia desulfurization solution |
| CN113457399A (en) * | 2021-06-22 | 2021-10-01 | 宁波博汇化工科技股份有限公司 | Ammonia desulphurization discharge system and method of sulfur recovery device |
| US11224838B2 (en) | 2019-12-26 | 2022-01-18 | Jiangnan Environmental Protection Group Inc. | Controlling aerosol production during absorption in ammonia-based desulfurization |
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- 2009-08-12 CN CN2009202335998U patent/CN201492952U/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102363084B (en) * | 2011-06-30 | 2014-07-16 | 神华集团有限责任公司 | Oil-water separation method and device for chilling system in process using coal-based methanol to produce propylene |
| CN102363084A (en) * | 2011-06-30 | 2012-02-29 | 神华集团有限责任公司 | Oil-water separation method and device for chilling system in process using coal-based methanol to produce propylene |
| CN102380218A (en) * | 2011-09-29 | 2012-03-21 | 上海奥格利环保工程有限公司 | Vertical evaporator with gravity assisted heat tubes for production of sulfuric acid |
| CN105311937A (en) * | 2014-06-11 | 2016-02-10 | 成都新筑展博环保科技有限公司 | Method of producing ammonium sulfate through flue gas desulfurization |
| CN104061580A (en) * | 2014-06-16 | 2014-09-24 | 河南心连心化肥有限公司 | Ammonia desulphurization device for treating flue gas desulphurization and process thereof |
| CN104061580B (en) * | 2014-06-16 | 2016-11-23 | 河南心连心化肥有限公司 | Process ammonia desulfuration equipment and the technique thereof of flue gas desulfurization band liquid |
| CN105536506A (en) * | 2016-01-27 | 2016-05-04 | 西安建筑科技大学 | Online kiln exit gas self-desulfuration method and system |
| US10207220B2 (en) | 2017-03-15 | 2019-02-19 | Jiangnan Environmental Protection Group Inc. | Method and apparatus for removing sulfur oxides from gas |
| US10675584B2 (en) | 2017-03-15 | 2020-06-09 | Jiangnan Environmental Protection Group Inc. | Method and apparatus for removing sulfur oxides from gas |
| US10413864B2 (en) | 2017-03-15 | 2019-09-17 | Jiangnan Environmental Protection Group Inc. | Method and apparatus for removing sulfur oxides from gas |
| US10406477B2 (en) | 2017-03-15 | 2019-09-10 | Jiangnan Environmental Protection Group Inc. | Method and apparatus for removing sulfur oxides from gas |
| US10561982B2 (en) | 2017-05-25 | 2020-02-18 | Jiangnan Environmental Protection Group Inc. | Ammonia-based desulfurization process and apparatus |
| US10406478B2 (en) | 2017-05-25 | 2019-09-10 | Jiangnan Environmental Protection Group Inc. | Ammonia-based desulfurization process and apparatus |
| US10016721B1 (en) | 2017-05-25 | 2018-07-10 | Jiangnan Environmental Protection Group Inc. | Ammonia-based desufurization process and apparatus |
| US10471383B2 (en) | 2017-05-25 | 2019-11-12 | Jiangnan Environmental Protection Group Inc. | Dust removal and desulfurization of FCC exhaust gas |
| US10213739B2 (en) | 2017-05-25 | 2019-02-26 | Jiangnan Environmental Protection Group Inc. | Dust removal and desulfurization of FCC exhaust gas |
| US10343110B2 (en) | 2017-05-25 | 2019-07-09 | Jiangnan Environmental Protection Group Inc. | Dust removal and desulfurization of FCC exhaust gas |
| US10092877B1 (en) | 2017-05-25 | 2018-10-09 | Jiangnan Environmental Protection Group Inc. | Dust removal and desulfurization of FCC exhaust gas |
| US10413865B2 (en) | 2017-05-25 | 2019-09-17 | Jiangnan Enviromental Protection Group Inc. | Ammonia-based desulfurization process and apparatus |
| US10399033B2 (en) | 2017-05-25 | 2019-09-03 | Jiangnan Environmental Protection Group Inc. | Ammonia-based desulfurization process and apparatus |
| US10589212B2 (en) | 2017-06-14 | 2020-03-17 | Jiangnan Environmental Protection Group Inc. | Ammonia-adding system for ammonia-based desulfurization device |
| US10099170B1 (en) | 2017-06-14 | 2018-10-16 | Jiangnan Environmental Protection Group Inc. | Ammonia-adding system for ammonia-based desulfurization device |
| US10159929B1 (en) | 2017-06-14 | 2018-12-25 | Jiangnan Environmental Protection Group Inc. | Ammonia-adding system for ammonia-based desulfurization device |
| US10583386B2 (en) | 2017-06-14 | 2020-03-10 | Jiangnan Environmental Protection Group Inc. | Ammonia-adding system for ammonia-based desulfurization device |
| US10561984B2 (en) | 2017-07-03 | 2020-02-18 | Jiangnan Environmental Protection Group Inc. | Desulfurization absorption tower |
| US20190001267A1 (en) | 2017-07-03 | 2019-01-03 | Jiangnan Environmental Protection Group Inc. | Desulfurization absorption tower |
| US10618001B2 (en) | 2017-07-03 | 2020-04-14 | Jiangnan Environmental Protection Group Inc. | Desulfurization absorption tower |
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| US10427097B2 (en) | 2017-07-03 | 2019-10-01 | Jiangnan Environmental Protection Group Inc. | Desulfurization absorption tower |
| US10556205B2 (en) | 2017-07-03 | 2020-02-11 | Jiangnan Environmental Protection Group Inc. | Desulfurization absorption tower |
| US10449488B2 (en) | 2017-09-07 | 2019-10-22 | Jiangnan Environmental Protection Group Inc. | Method for controlling aerosol production during absorption in ammonia desulfurization |
| US10112145B1 (en) | 2017-09-07 | 2018-10-30 | Jiangnan Environmental Protection Group Inc. | Method for controlling aerosol production during absorption in ammonia desulfurization |
| US10357741B2 (en) | 2017-09-07 | 2019-07-23 | Jiangnan Environmental Protection Group Inc. | Method for controlling aerosol production during absorption in ammonia desulfurization |
| US10369517B2 (en) | 2017-09-07 | 2019-08-06 | Jiangnan Environmental Protection Group Inc. | Method for controlling aerosol production during absorption in ammonia desulfurization |
| CN108283878A (en) * | 2018-04-10 | 2018-07-17 | 福建龙净环保股份有限公司 | Desulphurization system and its radiator |
| CN108283878B (en) * | 2018-04-10 | 2023-12-19 | 福建龙净环保股份有限公司 | Desulfurization system and heat abstractor thereof |
| US11027234B2 (en) | 2018-04-13 | 2021-06-08 | Jiangnan Environmental Protection Group Inc. | Oxidization of ammonia desulfurization solution |
| US10953365B2 (en) | 2018-07-20 | 2021-03-23 | Jiangnan Environmental Protection Group Inc. | Acid gas treatment |
| US11529584B2 (en) | 2018-07-20 | 2022-12-20 | Jiangnan Environmental Protection Group Inc. | Acid gas treatment |
| CN110508023A (en) * | 2019-08-27 | 2019-11-29 | 南京圣创科技有限公司 | A kind of method for utilizing flue gas heat crystallize outside tower in flue gas desulfurization |
| US11224838B2 (en) | 2019-12-26 | 2022-01-18 | Jiangnan Environmental Protection Group Inc. | Controlling aerosol production during absorption in ammonia-based desulfurization |
| CN113457399A (en) * | 2021-06-22 | 2021-10-01 | 宁波博汇化工科技股份有限公司 | Ammonia desulphurization discharge system and method of sulfur recovery device |
| CN113457399B (en) * | 2021-06-22 | 2024-01-12 | 宁波博汇化工科技股份有限公司 | Ammonia desulfurization emission system and method of sulfur recovery device |
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Owner name: JIANGSU NEW CENTURY JIANGNAN ENVIRONMENTAL PROTECT Free format text: FORMER NAME: JIANGSU XINSHIJI JIANGNAN ENVIRONMENTAL PROTECTION CO., LTD. |
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Address after: 11 floor, No. 108 Tianyuan road Jiangning Easthigh International Building District of Nanjing City, Jiangsu province 211100 Patentee after: Jiangsu New Century Jiangnan Environmental Protection Co., Ltd. Address before: 211100 No. 108, Tianyuan Road, Jiangning national hi tech Development Zone, Nanjing, Jiangsu, China Patentee before: Jiangsu Jiangnan Environment Protection and Research Academy |
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Address after: 211100, No. 29, Su Yuan Avenue, Jiangning District, Jiangsu, Nanjing Patentee after: Jiangsu New Century Jiangnan Environmental Protection Co., Ltd. Address before: 11 floor, No. 108 Tianyuan road Jiangning Easthigh International Building District of Nanjing City, Jiangsu province 211100 Patentee before: Jiangsu New Century Jiangnan Environmental Protection Co., Ltd. |
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Granted publication date: 20100602 |