CN1944591A - Chilling ring of gasifying furnace - Google Patents

Chilling ring of gasifying furnace Download PDF

Info

Publication number
CN1944591A
CN1944591A CN 200610137885 CN200610137885A CN1944591A CN 1944591 A CN1944591 A CN 1944591A CN 200610137885 CN200610137885 CN 200610137885 CN 200610137885 A CN200610137885 A CN 200610137885A CN 1944591 A CN1944591 A CN 1944591A
Authority
CN
China
Prior art keywords
ring
endless tube
chilling
quench liquid
gasifying furnace
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.)
Granted
Application number
CN 200610137885
Other languages
Chinese (zh)
Other versions
CN100552006C (en
Inventor
高瑞恒
宋晓峰
安兵涛
郭进军
王军
蔡德生
李兵科
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzheng Engineering Co Ltd
Original Assignee
Beijing Aerospace Petrochemical Technology and Equipment Engineering Corp Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Aerospace Petrochemical Technology and Equipment Engineering Corp Ltd filed Critical Beijing Aerospace Petrochemical Technology and Equipment Engineering Corp Ltd
Priority to CN 200610137885 priority Critical patent/CN100552006C/en
Publication of CN1944591A publication Critical patent/CN1944591A/en
Application granted granted Critical
Publication of CN100552006C publication Critical patent/CN100552006C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
    • Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]

Landscapes

  • Furnace Details (AREA)

Abstract

The chilling ring for gasifying furnace includes outer ring pipe, inner ring pipe, chilling liquid distributing chamber, downtake and cooling liquid conveying pipe. It has slag nails homogeneously distributed in the outer surface of the upper part of the outer ring pipe and refractory material filled among the slag nails to lower the work temperature of the chilling ring and avoid the direct erode of the high temperature synthetic gas and the slag to the chilling ring so as to increase the service life of the chilling ring. In addition, it also has small holes distributed in the lower part of the outer ring pipe, so that partial chilling liquid may be sprayed to the main flow of synthetic gas for lowering temperature quickly.

Description

A kind of chilling ring of gasifying furnace
Technical field
The present invention relates to the key structure in the powdered coal pressuring gasified technology, specifically, relate to a kind of improvement of powdered coal pressuring gasified stove chilling ring structure.
Technical background
Coal Gasification Technology is a kind of technology that the coal high-efficiency cleaning can be utilized.Coal obtains crude synthesis gas through gasifying process, to crude synthesis gas carry out again after the subsequent disposal to process gas can be used as the unstripped gas of synthetic ammonia or other Chemicals.
Vapourizing furnace is the key equipment in the Coal Gasification Technology.Fine coal incomplete combustion in the vapourizing furnace vaporizer enters the shock chamber after generating about 1500 ℃ high-temperature synthesis gas and slag.The effect of shock chamber is exactly that high-temperature synthesis gas is separated with slag cooling and realization gas slag, and the life-span length of chilling ring then directly has influence on the cycle of the normal operation of vapourizing furnace in the shock chamber.The structure of existing chilling ring comprises outer shroud, interior ring, the import of Quench liquid, the outlet of Quench liquid, downtake, it between outer shroud and the interior ring Quench liquid distribution chamber, Quench liquid is entered by descending along the downtake internal surface behind the Quench liquid distribution chamber by the import of Quench liquid, form water membrane at the downtake internal surface, synthetic gas during by downtake and moisture film carry out heat and mass, realize humidifying cooling to synthetic gas.There is flimsy shortcoming in the chilling ring of this structure owing to cooling rate in implementation procedure is unhappy.From the analysis of chilling ring damaged condition as can be seen, the major cause that chilling ring damages is because chilling ring directly contacts with slag with high-temperature synthesis gas, cause the chilling ring working temperature too high, secular hot operation greatly reduces the work-ing life of chilling ring, simultaneously high-temperature synthesis gas and slag directly washing away the work-ing life that also can reduce chilling ring chilling ring.
Summary of the invention
Technology of the present invention is dealt with problems: it is too high to overcome its working temperature that directly contacts with slag with high-temperature synthesis gas when existing chilling ring is worked and cause, make the defective of chilling ring life-span reduction, the lower novel chilling ring of gasifying furnace of temperature when a kind of work is provided, herewith chilling ring can be avoided high-temperature synthesis gas and slag to its directly wash away, and is better to the Quench cooling humidifying effect of synthetic gas.
Technical scheme of the present invention: a kind of chilling ring of gasifying furnace, comprise outer endless tube, interior endless tube, Quench liquid distribution chamber, downtake and cooling fluid transfer lime, it between outer endless tube and the interior endless tube Quench liquid distribution chamber, the cooling fluid transfer lime is connected with Quench liquid distribution chamber, interior endless tube is fixed on the downtake, be equipped with Quench pendular ring crack Pai Kou between outer endless tube and the downtake, its characteristics are: described outer shroud pipe internal surface is the internal thread form; Outside described, be equipped with equally distributed slag nail on the outer semi-ring face of the endless tube first half, between the slag nail, be filled with refractory matter.
The present invention's advantage compared with prior art is:
(1) internal surface of the outer endless tube of chilling ring is made screw thread form, has strengthened the heat interchanging area between outer endless tube and chilled water, has strengthened the cooling-down effect of the external endless tube of chilled water.
(2) during gasifier operation, one deck slag blanket can be adhered in the refractory matter surface of endless tube outside chilling ring, the effect of slag blanket is to avoid synthetic gas and lime-ash chilling ring directly to be washed away the harm that causes on the one hand, slag blanket can play the effect of flame retardant coating on the other hand, make the working temperature of chilling ring side towards the fire reduce, so just prolonged chilling ring work-ing life.
(3) owing to be equipped with equally distributed Quench liquid hole Pai Kou on the semi-ring face of endless tube Lower Half outside, Quench liquid is entered by a part behind the Quench liquid distribution chamber by the import of Quench liquid and descends along the downtake internal surface, form water membrane at the downtake internal surface, synthetic gas during by downtake and moisture film carry out heat and mass, realization is carried out humidifying cooling to synthetic gas, another part Quench liquid is directly sprayed in the synthetic gas by Quench liquid hole Pai Kou synthetic gas is carried out the Quench cooling, realizes the synthetic gas fast cooling.
Description of drawings
Fig. 1 is a structural representation of the present invention:
Fig. 2 is a Quench liquid hole row mouthful direction synoptic diagram.
Embodiment
As shown in Figure 1, the present invention mainly comprises: outer endless tube 1, interior endless tube 2, semi-circular Quench liquid distribution chamber 4, downtake 7, cooling fluid transfer lime 8, outer endless tube 1 internal surface is the internal thread form, it between outer endless tube 1 and the interior endless tube 2 semi-circular Quench liquid distribution chamber 4, cooling fluid transfer lime 8 is connected with Quench liquid distribution chamber 4, interior endless tube 2 is fixed on the downtake 7, be equipped with equally distributed slag nail 3 outside on the outer semi-ring face of endless tube 1 first half, the shape of slag nail 3 can be the cylindrical metal rod, as rod iron, rod iron etc., be filled with refractory matter 3 of slag nails, refractory matter can be analog materials such as silicon carbide.Slag nail 3 tamped density on the endless tube 1 outside is 0.1～0.3, the outer semi-ring face of the outer endless tube first half of tamped density=n * s/, and wherein n is that slag is followed closely 3 quantity, s is that slag is followed closely 3 cross-sectional areas.Be equipped with the equally distributed Quench liquid of three circles hole row's mouth 5 outside on the semi-ring face of endless tube 1 Lower Half, be equipped with Quench pendular ring crack row's mouth 6 between outer endless tube 1 and the downtake 7.The diameter of each Quench liquid hole row's mouth 5 is 5～10mm, the cone angle of three circle Quench liquid hole row's mouthful 5 medullary rays and the formation of downtake 7 medullary rays is respectively outer ring 80 degree, centre circle 65 degree and inner ring 45 degree in the present embodiment, and the quantity ratio of outer ring, centre circle and inner ring hole row mouth is 3: 2: 1.
Working process of the present invention: at first can adhere to one deck slag blanket when entering the shock chamber behind high-temperature synthesis gas that vaporizer is discharged and the slag on the refractory matter surface through chilling ring, slag blanket has avoided synthetic gas and lime-ash chilling ring directly to be washed away the harm that causes on the one hand, slag blanket can play the effect of flame retardant coating on the other hand, increase the thermal resistance between synthetic gas and outer endless tube, made the working temperature of chilling ring side towards the fire reduce.The internal surface of the outer endless tube 1 of chilling ring is made screw thread form, has strengthened the heat interchanging area between outer endless tube 1 and chilled water, has strengthened the cooling-down effect of the external endless tube 1 of chilled water.Simultaneously, Quench liquid is entered by Quench liquid distribution chamber 4 back parts by Quench liquid import 8 and descends along downtake 7 internal surfaces, form water membrane at downtake 7 internal surfaces, carry out heat and mass with moisture film at synthetic gas during by downtake 7, realization is carried out humidifying cooling to synthetic gas; Another part Quench liquid directly carries out Quench cooling with spraying in the synthetic gas to synthetic gas by Quench liquid hole row's mouth 5, and synthetic gas is carried out fast cooling.

Claims (7)

1, a kind of chilling ring of gasifying furnace, comprise outer endless tube (1), interior endless tube (2), Quench liquid distribution chamber (4), downtake (7) and cooling fluid transfer lime (8), be Quench liquid distribution chamber (4) between outer endless tube (1) and the interior endless tube (2), cooling fluid transfer lime (8) is connected with Quench liquid distribution chamber (4), interior endless tube (2) is fixed on the downtake (7), be equipped with Quench pendular ring crack Pai Kou (6) between outer endless tube (1) and the downtake (7), it is characterized in that: described outer endless tube (1) internal surface is the internal thread form; Be equipped with equally distributed slag nail (3) on the outer semi-ring face of endless tube outside described (1) first half, between slag nail (3), be filled with refractory matter.
2, a kind of chilling ring of gasifying furnace according to claim 1 is characterized in that: be equipped with three circle equally distributed Quench liquid hole Pai Kou (5) outside on the semi-ring face of endless tube (1) Lower Half.
3, a kind of chilling ring of gasifying furnace according to claim 1 is characterized in that: described slag nail (3) is a cylindrical steel rods.
4, a kind of chilling ring of gasifying furnace according to claim 1 is characterized in that: described refractory matter is a carbofrax material.
5, a kind of chilling ring of gasifying furnace according to claim 1 is characterized in that: described slag nail (3) tamped density on the endless tube (1) outside is 0.1～0.3.
6, a kind of chilling ring of gasifying furnace according to claim 1 is characterized in that: the diameter of described each Quench liquid hole Pai Kou (5) is 5～10mm.
7, a kind of chilling ring of gasifying furnace according to claim 1, it is characterized in that: the cone angle of described Quench liquid hole Pai Kou (5) medullary ray and the formation of downtake (7) medullary ray is respectively outer ring 80 degree, centre circle 65 degree and inner ring 45 degree, and the quantity ratio of outer ring, centre circle and inner ring hole row mouth is 3: 2: 1.
CN 200610137885 2006-11-09 2006-11-09 A kind of chilling ring of gasifying furnace Active CN100552006C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200610137885 CN100552006C (en) 2006-11-09 2006-11-09 A kind of chilling ring of gasifying furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200610137885 CN100552006C (en) 2006-11-09 2006-11-09 A kind of chilling ring of gasifying furnace

Publications (2)

Publication Number Publication Date
CN1944591A true CN1944591A (en) 2007-04-11
CN100552006C CN100552006C (en) 2009-10-21

Family

ID=38044248

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200610137885 Active CN100552006C (en) 2006-11-09 2006-11-09 A kind of chilling ring of gasifying furnace

Country Status (1)

Country Link
CN (1) CN100552006C (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101407342B (en) * 2008-05-20 2010-09-08 山西丰喜肥业(集团)股份有限公司 Cooling water process used for chilling ring of gasification furnace
CN102051235A (en) * 2011-01-10 2011-05-11 神华集团有限责任公司 Multistage rotary chilling and strengthening device and application thereof
CN102559279A (en) * 2010-10-30 2012-07-11 通用电气公司 System and method for protecting gasifier quench ring
CN103525469A (en) * 2012-07-03 2014-01-22 惠生（南京）清洁能源股份有限公司 Chilling ring of gasification furnace
CN104531228A (en) * 2014-12-18 2015-04-22 广东正鹏生物质能源科技有限公司 Device and method for implementing efficient purification of biomass gas in furnace
CN105043131A (en) * 2015-08-06 2015-11-11 朱峰 Shock cooling heat exchanger for cooling flue gas
CN106281473A (en) * 2016-09-09 2017-01-04 航天长征化学工程股份有限公司 Chilling device
CN106635180A (en) * 2016-11-17 2017-05-10 中国五环工程有限公司 Water quenching structure of gasifier
CN106635182A (en) * 2016-11-29 2017-05-10 东方电气集团东方锅炉股份有限公司 Gasification furnace chilling ring

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101407342B (en) * 2008-05-20 2010-09-08 山西丰喜肥业(集团)股份有限公司 Cooling water process used for chilling ring of gasification furnace
CN102559279A (en) * 2010-10-30 2012-07-11 通用电气公司 System and method for protecting gasifier quench ring
US9057030B2 (en) 2010-10-30 2015-06-16 General Electric Company System and method for protecting gasifier quench ring
CN102051235A (en) * 2011-01-10 2011-05-11 神华集团有限责任公司 Multistage rotary chilling and strengthening device and application thereof
CN102051235B (en) * 2011-01-10 2013-08-14 神华集团有限责任公司 Multistage rotary chilling and strengthening device and application thereof
CN103525469A (en) * 2012-07-03 2014-01-22 惠生（南京）清洁能源股份有限公司 Chilling ring of gasification furnace
CN103525469B (en) * 2012-07-03 2015-08-19 惠生（南京）清洁能源股份有限公司 A kind of chilling ring of gasifying furnace
CN104531228B (en) * 2014-12-18 2017-06-20 广东正鹏生物质能源科技有限公司 The device and method of high-efficient purification in a kind of achievable biomass gas stove
CN104531228A (en) * 2014-12-18 2015-04-22 广东正鹏生物质能源科技有限公司 Device and method for implementing efficient purification of biomass gas in furnace
CN105043131A (en) * 2015-08-06 2015-11-11 朱峰 Shock cooling heat exchanger for cooling flue gas
CN105928382A (en) * 2015-08-06 2016-09-07 青岛中正周和科技发展有限公司 Quenching heat exchanger provided with multiple secondary heat exchange devices
CN105865222B (en) * 2015-08-06 2017-02-22 杨丙 Quenching heat exchanger
CN105928382B (en) * 2015-08-06 2017-04-12 青岛中正周和科技发展有限公司 Quenching heat exchanger provided with multiple secondary heat exchange devices
CN105928381A (en) * 2015-08-06 2016-09-07 杨丙 Quenching heat exchanger with variable spray hole density
CN106281473A (en) * 2016-09-09 2017-01-04 航天长征化学工程股份有限公司 Chilling device
CN106635180A (en) * 2016-11-17 2017-05-10 中国五环工程有限公司 Water quenching structure of gasifier
CN106635182A (en) * 2016-11-29 2017-05-10 东方电气集团东方锅炉股份有限公司 Gasification furnace chilling ring

Also Published As

Publication number Publication date
CN100552006C (en) 2009-10-21

Similar Documents

Publication Publication Date Title
CN100552006C (en) A kind of chilling ring of gasifying furnace
CN101550360A (en) Quenching ring for gasification furnace
CN101701703B (en) Residual heat utilizing technology of coke oven crude gas
CN105199782A (en) Gasification agent, strong-rotating pulverized coal and fly ash mixed-burning gasifier device and method
CN101508915A (en) Gasifying device for liquid fuel or solid fuel aqueous slurry
CN1328356C (en) Gasification of dry-powder solid fuel
CN104762095B (en) A kind of complete alternation low temperature distillation device and technique for producing semi-coke
CN103937555A (en) Single-nozzle water-coal-slurry entrained-flow bed gasifier and gasification method of same
CN101921072B (en) Method for removing ring formation of rotary kiln for active lime calcination
CN204325270U (en) Liquid continuous discharging slag fixed-bed gasification furnace
CN101921071B (en) Method for removing ringing during coal powder injection in rotary kiln
CN200964402Y (en) Chilling ring of gasification furnace
CN201850256U (en) Process burner and system for gasifying water coal slurry
CN208104314U (en) The novel fixed bed slag gasification installation of middle section outlet
CN201406415Y (en) Quench ring of gasifier
CN104611070A (en) Novel quenching ring for entrained-bed gasifier
CN107892952B (en) A kind of two-part slag gasification furnace
CN203820808U (en) Pulverized coal spray-blowing gun of blast furnace
CN2516557Y (en) Chilling ring of gasification furnace
CN208762462U (en) A kind of branch slag-discharging device of fluidized gasification furnace slag discharge
CN109869715A (en) Slag leak-proof funnel cap and preparation method thereof and circulating fluidized bed boiler
CN204644307U (en) A kind of new type of airflow bed gasification furnace chilling ring
CN108676583A (en) A kind of follow-on fluidized-bed gasification furnace
CN205603529U (en) Solid -state bed coal gasification stove
CN1945119A (en) Cathode roasting furnace gas burner nozzle

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
ASS Succession or assignment of patent right

Owner name: BEIJING AEROSPACE WANYUAN COAL CHEMICAL ENGINEERI

Free format text: FORMER OWNER: BEIJING SPACE PETROCHEMICAL TECHNOLOGY EQUIPMENT ENGINEERING CO., LTD.

Effective date: 20071214

C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20071214

Address after: Room 2, floor 6, Tongji North Road, Beijing economic and Technological Development Zone, Beijing 210, China: 100176

Applicant after: Beijing Aerospace Wanyuan Coal Chemical Engineering Technology Co.,Ltd.

Address before: Box 11, box 9200, postal code, Beijing, Beijing, Fengtai District: 100076

Applicant before: Beijing Aerospace Petrochemical Technology and Equipment Engineering Corp.

C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: ANHUI HAOYUAN CHEMICAL INDUSTRY (Group) Co.,Ltd.

Assignor: Beijing Aerospace Wanyuan Coal Chemical Engineering Technology Co.,Ltd.

Contract fulfillment period: 2009.12.8 to 2026.11.8

Contract record no.: 2010990000043

Denomination of invention: Gasification furnace cooling ring

Granted publication date: 20091021

License type: General permission

Record date: 20100125

Assignee: HENAN JINKAI CHEMICAL INVESTMENT HOLDING GROUP Co.,Ltd.

Assignor: Beijing Aerospace Wanyuan Coal Chemical Engineering Technology Co.,Ltd.

Contract fulfillment period: 2009.7.31 to 2026.11.8

Contract record no.: 2009990001303

Denomination of invention: Gasification furnace cooling ring

Granted publication date: 20091021

License type: General permission

Record date: 20091201

LIC Patent licence contract for exploitation submitted for record

Free format text: COMMON LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.12.8 TO 2026.11.8; CHANGE OF CONTRACT

Name of requester: ANHUI HAO SOURCE CHEMICAL GROUP CO., LTD.

Effective date: 20100125

Free format text: COMMON LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.7.31 TO 2026.11.8; CHANGE OF CONTRACT

Name of requester: HENAN JINKAI CHEMICAL INDUSTRY INVESTMENT HOLDING

Effective date: 20091201

EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: HENAN JUNHUA DEVELOPMENT Co.,Ltd.

Assignor: Beijing Aerospace Wanyuan Coal Chemical Engineering Technology Co.,Ltd.

Contract record no.: 2010990000148

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20100329

EE01 Entry into force of recordation of patent licensing contract

Assignee: HENAN JINKAI CHEMICAL INVESTMENT HOLDING GROUP Co.,Ltd.

Assignor: Beijing Aerospace Wanyuan Coal Chemical Engineering Technology Co.,Ltd.

Contract record no.: 2010990000927

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Open date: 20070411

Record date: 20101124

EE01 Entry into force of recordation of patent licensing contract

Assignee: Baofeng Ningxia Energy Group Co.,Ltd.

Assignor: Beijing Aerospace Wanyuan Coal Chemical Engineering Technology Co.,Ltd.

Contract record no.: 2011990000345

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Open date: 20070411

Record date: 20110505

EE01 Entry into force of recordation of patent licensing contract

Assignee: Cangzhou Zhengyuan Chemical Co.,Ltd.

Assignor: Beijing Aerospace Wanyuan Coal Chemical Engineering Technology Co.,Ltd.

Contract record no.: 2011990000684

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Open date: 20070411

Record date: 20110719

EE01 Entry into force of recordation of patent licensing contract

Assignee: Shuangyashan long coal space Coal Chemical Co.,Ltd.

Assignor: Beijing Aerospace Wanyuan Coal Chemical Engineering Technology Co.,Ltd.

Contract record no.: 2011990000884

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Open date: 20070411

Record date: 20110909

EE01 Entry into force of recordation of patent licensing contract

Assignee: Erdos billion Ding Coal Chemical Co.,Ltd.

Assignor: Beijing Aerospace Wanyuan Coal Chemical Engineering Technology Co.,Ltd.

Contract record no.: 2011990000911

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Open date: 20070411

Record date: 20110920

C56 Change in the name or address of the patentee

Owner name: CHANGZHENG ENGINEERING CO., LTD.

Free format text: FORMER NAME: BEIJING AEROSPACE WANYUAN COAL CHEMICAL ENGINEERING TECHNOLOGY CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 100176 Beijing economic and Technological Development Zone, Tongji Road, No. 6, room 2, room, room 210

Patentee after: CHANGZHENG ENGINEERING Co.,Ltd.

Address before: 100176 Beijing economic and Technological Development Zone, Tongji Road, No. 6, room 2, room, room 210

Patentee before: Beijing Aerospace Wanyuan Coal Chemical Engineering Technology Co.,Ltd.

EE01 Entry into force of recordation of patent licensing contract

Assignee: YANGMEI GROUP TAIYUAN CHEMICAL NEW MATERIAL Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2012990000189

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Open date: 20070411

Record date: 20120406

EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: Jiutai Energy Technology Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2012990000716

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20120927

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: QIANXI COUNTY QIANXI COAL CHEMICAL INVESTMENT CO.,LTD.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2012990000751

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20121015

Application publication date: 20070411

Assignee: Hebei Xinji Chemical Group Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2012990000756

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20121015

Application publication date: 20070411

Assignee: Xingan Meng Boyuan Chemical Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2012990000755

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20121015

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: SINOCHEM JILIN CHANGSHAN CHEMICAL Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2012990000779

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20121023

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: Shanxi Jincheng Anthracite mining Refco Group Ltd gas Creek oil production Co.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2013990000073

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20130306

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: Yunnan Yuxi Yinhe Chemical Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2013990000114

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20130326

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: Yitai Xinjiang Energy Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2013990000145

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20130410

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: Dongwuzhumuqinqi Xin Resources Development Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2013990000399

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20130716

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: Shanxi Jin Hua Yumei coal chemical industry LLC

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2014990000122

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20140311

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: Air Liquide (Fuzhou) Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2014990000089

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20140227

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: INNER MONGOLIA YITAI CHEMICAL Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2014990000736

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20140903

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: Sichuan coal gasification Co.,Ltd.

Assignor: Beijing Aerospace Wanyuan Coal Chemical Engineering Technology Co.,Ltd.

Contract record no.: 2011990000266

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20110418

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: HENAN JINKAI GROUP YANHUA CHEMICAL CO.,LTD.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2014990000887

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20141127

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: TIANJIN BOHUA YONGLI CHEMICAL INDUSTRY Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2015990000920

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20151105

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: ANHUI HAOYUAN CHEMICAL INDUSTRY (Group) Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2015990000951

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20151116

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: Shanxi Quan Sheng coal chemical Co., Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2016990000405

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20160921

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: INNER MONGOLIA HUANGTAOLEGAI COAL CO.,LTD.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2016990000443

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20161024

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: SHANDONG LIANMENG CHEMICAL Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2017990000091

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20170320

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: Shanxi coking coal group Feihong chemical Limited by Share Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2017990000207

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20170616

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: Jiu Tai energy (Ordos) Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2018990000255

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20180918

EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: ANHUI HAOYUAN CHEMICAL INDUSTRY (Group) Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2018990000265

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20180929

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: Anhui Quansheng Chemical Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2019990000168

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20190524

Application publication date: 20070411

Assignee: Air Chemical Products (Hohhot) Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2019990000167

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20190524

EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: XINJIANG ZHONGNENG WANYUAN CHEMICAL CO.,LTD.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: 2019990000238

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20190717

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: FUJIAN SHEN YUANXIN MATERIAL Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: X2019990000093

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20190920

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: Shaanxi Yanchang Petroleum Yushen Energy Chemical Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: X2019990000135

Denomination of invention: Chilling ring of gasifying furnace

Granted publication date: 20091021

License type: Common License

Record date: 20191024

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: Heilongjiang Huaxia Yitong fertilizer manufacturing Co.,Ltd.

Assignor: Changzheng Engineering Co.,Ltd.

Contract record no.: X2020990000651

Denomination of invention: Gasification furnace cooling ring

Granted publication date: 20091021

License type: Common License

Record date: 20201202

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: FUJIAN SHAOHUA CHEMICAL Co.,Ltd.

Assignor: Changzheng Engineering Co.,Ltd.

Contract record no.: X2021990000134

Denomination of invention: A new type of ring chilling gasifier

Granted publication date: 20091021

License type: Common License

Record date: 20210304

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: Xinjiang Heshan Juli Chemical Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: X2021990000589

Denomination of invention: A quench ring for gasifier

Granted publication date: 20091021

License type: Common License

Record date: 20210924

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: Henan Shengsheng group Yanhua Chemical Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: X2021990000730

Denomination of invention: A quench ring for gasifier

Granted publication date: 20091021

License type: Common License

Record date: 20211129

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: Aerospace hydrogen Cangzhou Gas Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: X2022990000388

Denomination of invention: A quench ring for gasifier

Granted publication date: 20091021

License type: Common License

Record date: 20220719

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: Gansu Nenghua Jinchang Energy and Chemical Development Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: X2022990000898

Denomination of invention: A kind of quench ring for gasifier

Granted publication date: 20091021

License type: Common License

Record date: 20221104

Application publication date: 20070411

Assignee: Aerospace Hydrogen Energy Xinxiang Gas Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: X2022990000899

Denomination of invention: A kind of quench ring for gasifier

Granted publication date: 20091021

License type: Common License

Record date: 20221104

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: Inner Mongolia Baofeng Coal-based New Materials Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: X2023990000054

Denomination of invention: Quenching ring of gasifier

Granted publication date: 20091021

License type: Common License

Record date: 20230106

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: ANHUI DEBANG CHEMICAL Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: X2023990000607

Denomination of invention: A Gasifier Quenching Ring

Granted publication date: 20091021

License type: Common License

Record date: 20230614

EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: ANHUI JINMEI ZHONGNENG CHEMICAL INDUSTRIAL Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: X2023990000838

Denomination of invention: A Gasifier Quenching Ring

Granted publication date: 20091021

License type: Common License

Record date: 20230926

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: ANHUI QUANSHENG CHEMICAL Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: X2023990000918

Denomination of invention: A Gasifier Quenching Ring

Granted publication date: 20091021

License type: Common License

Record date: 20231205

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: Anhui Jinhe Industrial Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: X2024980002102

Denomination of invention: A Gasifier Quenching Ring

Granted publication date: 20091021

License type: Common License

Record date: 20240220

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: Xinjiang Zhongneng Lvyuan Chemical Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: X2024980002193

Denomination of invention: A Gasifier Quenching Ring

Granted publication date: 20091021

License type: Common License

Record date: 20240223

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: Inner Mongolia Zhuozheng Coal Chemical Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: X2024980002255

Denomination of invention: A Gasifier Quenching Ring

Granted publication date: 20091021

License type: Common License

Record date: 20240227

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20070411

Assignee: FUJIAN EVERSUN TECHNOLOGY Co.,Ltd.

Assignor: CHANGZHENG ENGINEERING Co.,Ltd.

Contract record no.: X2024980002754

Denomination of invention: A Gasifier Quenching Ring

Granted publication date: 20091021

License type: Common License

Record date: 20240313

EE01 Entry into force of recordation of patent licensing contract