Patents by Inventor Jiangyong HONG
Jiangyong HONG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11970430Abstract: The present invention provides a method for the co-production of 1,1-difluoroethane and vinyl chloride, including: (a) vaporizing dichloroethane and hydrogen fluoride, and delivering the vaporized dichloroethane and hydrogen fluoride into a reactor for a catalytic reaction under the action of a catalyst to obtain a reaction product; (b) delivering the reaction product into a first rectifying tower for separation to obtain an overhead product from the first rectifying tower and a bottom product from the first rectifying tower; (c) delivering the overhead product from the first rectifying tower into a second rectifying tower for separation to obtain hydrogen chloride and a bottom product from the second rectifying tower; (d) delivering the bottom product from the second rectifying tower into a purifying tower for purification to obtain an overhead product from the purifying tower; (e) simultaneously delivering the overhead product from the purifying tower and a saturated organic solvent into a third rectifyingType: GrantFiled: June 25, 2021Date of Patent: April 30, 2024Assignee: Zhejiang Quhua Fluor-Chemistry Co LtdInventors: Huimei Yu, Jiangyong Hong, Bo Yang, Yang Zhao, Yan Zhang, Linhui Li, Yawen Ren
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Publication number: 20240017231Abstract: A reaction apparatus used for a continuous reaction process for the preparation of trifluoroethane includes a housing, a rotary cutting component, a submersible pump and a flow deflector. The flow deflector includes two sets of flow-deflecting plates, each set of said flow-deflecting plates including a plurality of flow-deflecting plates. Two sets of flow-deflecting plates are fixed to each of the two opposing side walls, and the two adjacent flow-deflecting plates are in offset alignment. The submersible pump is arranged inside the reaction chamber body. A liquid inlet line can connect a directly to the submersible pump without requiring the arrangement of an additional pipeline.Type: ApplicationFiled: November 29, 2021Publication date: January 18, 2024Inventors: Liangliang ZHANG, Liyang ZHOU, Guangwen CHU, Jihong TONG, Jianfeng CHEN, Jiangyong HONG, Bo YANG
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Publication number: 20230265027Abstract: The present invention provides a method for the co-production of 1,1-difluoroethane and vinyl chloride, including: (a) vaporizing dichloroethane and hydrogen fluoride, and delivering the vaporized dichloroethane and hydrogen fluoride into a reactor for a catalytic reaction under the action of a catalyst to obtain a reaction product; (b) delivering the reaction product into a first rectifying tower for separation to obtain an overhead product from the first rectifying tower and a bottom product from the first rectifying tower; (c) delivering the overhead product from the first rectifying tower into a second rectifying tower for separation to obtain hydrogen chloride and a bottom product from the second rectifying tower; (d) delivering the bottom product from the second rectifying tower into a purifying tower for purification to obtain an overhead product from the purifying tower; (e) simultaneously delivering the overhead product from the purifying tower and a saturated organic solvent into a third rectifyingType: ApplicationFiled: June 25, 2021Publication date: August 24, 2023Applicant: Zhejiang Quhua Fluor-Chemistry Co LtdInventors: Huimei YU, Jiangyong HONG, Bo YANG, Yang ZHAO, Yan ZHANG, Linhui LI, Yawen REN
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Patent number: 11713288Abstract: The present disclosure provides a method for co-production of hydrofluorocarbons, which includes the steps of: preheating a mixture of chlorinated olefin and hydrogen fluoride; transferring the mixture to the top of a reactor; simultaneously introducing 1,1,1,2,3,3-hexafluoropropene and dichloromethane to the middle of the reactor for reaction; dividing the reactor into three to six sections; filling each section with a catalyst; obtaining reaction products at an outlet of the reactor; and separating the reaction products to obtain various hydrofluorocarbon products, respectively. The present disclosure has the advantages of a high yield, an optimal selectivity and a low energy consumption.Type: GrantFiled: July 16, 2021Date of Patent: August 1, 2023Assignee: Zhejiang Quhua Fluor-Chemistry Co LtdInventors: Iiyang Zhou, Jiangyong Hong, Bo Yang, Yan Zhang, Bin Wu, Xinguo Tang, Huimei Yu
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Publication number: 20220371975Abstract: The present disclosure provides a method for co-production of hydrofluorocarbons, which includes the steps of: preheating a mixture of chlorinated olefin and hydrogen fluoride; transferring the mixture to the top of a reactor; simultaneously introducing 1,1,1,2,3,3-hexafluoropropene and dichloromethane to the middle of the reactor for reaction; dividing the reactor into three to six sections; filling each section with a catalyst; obtaining reaction products at an outlet of the reactor; and separating the reaction products to obtain various hydrofluorocarbon products, respectively. The present disclosure has the advantages of a high yield, an optimal selectivity and a low energy consumption.Type: ApplicationFiled: July 16, 2021Publication date: November 24, 2022Applicant: Zhejiang Quhua Fluor-Chemistry Co LtdInventors: liyang ZHOU, Jiangyong HONG, Bo YANG, Yan ZHANG, Bin WU, Xinguo TANG, Huimei YU
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Publication number: 20220243108Abstract: The present disclosure provides a composition containing fluorohydrocarbons, which includes the following components in parts by weight: 30-80 parts of 2,3,3,3-tetrafluoropropene, 5-50 parts of 1,1,1,2-tetrafluoroethane, 5-30 parts of difluoromethane, 5-25 parts of 1,3,3,3-tetrafluoropropene, 5-10 parts of fluoroethane and 0.1-1 part of a flame retardant. The composition is used as a refrigerant for heating and cooling, a propellant and a foaming agent. The present disclosure further provides a preparation method of the composition containing fluorohydrocarbons. The composition of the present disclosure has the advantages of a low global warming potential (GWP), environmental friendliness, a good refrigeration effect and a good compatibility with lubricants.Type: ApplicationFiled: June 23, 2021Publication date: August 4, 2022Applicant: Zhejiang Quhua Fluor-Chemistry Co LtdInventors: Liyang ZHOU, Jiangyong HONG, Bo YANG, Huimei YU, Yan ZHANG, Yang ZHAO, Haitao GONG
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Publication number: 20220154056Abstract: The present invention provides a composition of fluoroolefin and fluoroalkane, comprising, by weight, 70 to 80 parts of 2,3,3,3-tetrafluoropropene, 10 to 20 parts of trans-1,3,3,3-tetrafluoropropene, 5-10 parts of 1,1,1,2-tetrafluoroethane, and 2 to 5 parts of difluoromethane. The composition of the present disclosure has the advantages of low GWP, good environmentally friendliness, good refrigeration effect, and good lubricant compatibility.Type: ApplicationFiled: August 10, 2020Publication date: May 19, 2022Applicant: Zhejiang Quhua Fluor-Chemistry Co LtdInventors: Jiangyong HONG, Bo YANG, Yan ZHANG, Haojin SHI, Yang ZHAO
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Patent number: 11104833Abstract: A hydrofluoroolefins-containing refrigerant composition is disclosed. The composition includes the following ingredients in part by weight: 50-90 parts of 2,3,3,3-tetrafluoropropene, 5-30 parts of trans-1,3,3,3-tetrafluoropropene, and 5-20 parts of fluoroethane. The composition of this invention has the advantages of low GWP, environmental friendliness, good refrigeration effect and high compatibility with lubricants.Type: GrantFiled: July 21, 2017Date of Patent: August 31, 2021Assignee: Zhejiang Quhua Fluor-Chemistry Co LtdInventors: Jiangyong Hong, Bo Yang, Aiguo Wang, Yan Zhang, Yang Zhao, Hao Ouyang
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Publication number: 20210189207Abstract: A hydrofluoroolefins-containing refrigerant composition is disclosed. The composition includes the following ingredients in part by weight: 50-90 parts of 2,3,3,3-tetrafluoropropene, 5-30 parts of trans-1,3,3,3-tetrafluoropropene, and 5-20 parts of fluoroethane. The composition of this invention has the advantages of low GWP, environmental friendliness, good refrigeration effect and high compatibility with lubricants.Type: ApplicationFiled: July 21, 2017Publication date: June 24, 2021Applicant: Zhejiang Quhua Fluor-Chemistry Co LtdInventors: Jiangyong HONG, Bo YANG, Aiguo WANG, Yan ZHANG, Yang ZHAO, Hao OUYANG
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Publication number: 20210171424Abstract: Disclosed is a method for co-producing 2,3,3,3-tetrafluoropropene and trans-1,3,3,3-tetrafluoropropene, comprising the following steps: preheating a mixture of 1,1,1,2,2-pentachloropropane and 1,1,1,3,3-pentachloropropane together with anhydrous hydrogen fluoride and simultaneously introducing into a first reactor to react in the presence of a catalyst La2O3—Cr2O3 to obtain a first reactor product; directly introducing the first reactor product into a second reactor without separation, and carrying out a catalytic fluorination reaction in the presence of a catalyst Ga2O3—Y2O3—Cr2O3 to obtain a second reactor product; and separating the second reactor product to obtain the products of 2,3,3,3-tetrafluoropropene and trans-1,3,3,3-tetrafluoropropene. The invention has such advantages that the process is simple and less equipment investment is required; used catalysts have good activity, high selectivity and long total life; and the ratio of the two products can be flexibly adjusted according to market demands.Type: ApplicationFiled: June 25, 2018Publication date: June 10, 2021Applicant: Zhejiang Quhua Fluor-Chemistry Co LtdInventors: Jiangyong HONG, Bo YANG, Hao OUYANG, Yan ZHANG, Yang ZHAO
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Patent number: 11014861Abstract: Disclosed is a method for co-producing 2,3,3,3-tetrafluoropropene and trans-1,3,3,3-tetrafluoropropene, comprising the following steps: preheating a mixture of 1,1,1,2,2-pentachloropropane and 1,1,1,3,3-pentachloropropane together with anhydrous hydrogen fluoride and simultaneously introducing into a first reactor to react in the presence of a catalyst La2O3—Cr2O3 to obtain a first reactor product; directly introducing the first reactor product into a second reactor without separation, and carrying out a catalytic fluorination reaction in the presence of a catalyst Ga2O3—Y2O3—Cr2O3 to obtain a second reactor product; and separating the second reactor product to obtain the products of 2,3,3,3-tetrafluoropropene and trans-1,3,3,3-tetrafluoropropene. The invention has such advantages that the process is simple and less equipment investment is required; used catalysts have good activity, high selectivity and long total life; and the ratio of the two products can be flexibly adjusted according to market demands.Type: GrantFiled: June 25, 2018Date of Patent: May 25, 2021Assignee: Zhejiang Quhua Fluor-Chemistry Co LtdInventors: Jiangyong Hong, Bo Yang, Hao Ouyang, Yan Zhang, Yang Zhao
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Patent number: 10889740Abstract: Provided is an azeotropic and azeotrope-like composition, comprising (E)-1,1,1,4,4,4-hexafluoro-2-butene, (E)-1-chloro-,3,3,3-trifluoropropene and 1,1,1,2,3,3-hexafluoropropane. The azeotropic and azeotrope-like composition has the advantages of low GWP, low thermal conductivity and low energy consumption.Type: GrantFiled: June 25, 2018Date of Patent: January 12, 2021Assignee: Zhejiang Quhua Fluor-Chemistry Co LtdInventors: Bo Yang, Jiangyong Hong, Yan Zhang, Hao Ouyang, Jinping Fu
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Publication number: 20200231852Abstract: Provided is an azeotropic and azeotrope-like composition, comprising (E)-1,1,1,4,4,4-hexafluoro-2-butene, (E)-1-chloro-,3,3,3-trifluoropropene and 1,1,1,2,3,3-hexafluoropropane. The azeotropic and azeotrope-like composition has the advantages of low GWP, low thermal conductivity and low energy consumption.Type: ApplicationFiled: June 25, 2018Publication date: July 23, 2020Applicant: Zhejiang Quhua Fluor-Chemistry Co LtdInventors: Bo YANG, Jiangyong HONG, Yan ZHANG, Hao OUYANG, Jinping FU
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Patent number: 10689315Abstract: The invention discloses a method for co-operating low-carbon foaming agents, comprising: preheating 1,1,1,3,3-pentachloropropane and hydrogen fluoride and then introducing into a reactor to have a reaction in the presence of a catalyst to obtain a reaction product, and separating and purifying to obtain the following low-carbon foaming agent products: trans-1,3,3,3-tetrafluoropropene, cis-1,3,3,3-tetrafluoropropene, 1,1,1,3,3-pentafluoropropane, trans-1-chloro-3,3,3-trifluoropropene, cis-1-chloro-3,3,3-trifluoropropene. The invention has the advantages of simple process, environmental friendliness, high production efficiency and low cost.Type: GrantFiled: June 25, 2018Date of Patent: June 23, 2020Assignee: Zhejiang Quhua Fluor-Chemistry Co LtdInventors: Jiangyong Hong, Bo Yang, Yang Zhao, Yan Zhang, Huadong Zhou, Hao Ouyang, Haitao Gong, Min Fang
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Patent number: 10590050Abstract: Disclosed is a method for co-producing various alkenyl halides and hydrofluoroalkanes: cis-1-chloro-3,3,3-trifluoropropene is introduced into a first reactor to carry out an isomerization reaction in the presence of a first catalyst, and the reaction product is rectified to obtain a product trans-1-chloro-3,3,3-trifluoropropene; and 30-70 wt % of trans-1-chloro-3,3,3-trifluoropropene and hydrogen fluoride are mixed and then introduced into a second reactor to carry out a reaction in the presence of a second catalyst to obtain a second reactor reaction product; the second reactor reaction product is introduced into a phase separator for separation, and the obtained organic phase is rectified to obtain the products trans-1,3,3,3-tetrafluoropropene, cis-1,3,3,3-tetrafluoropropene and 1,1,1,3,3-pentafluoropropane. The invention has the advantages of simple process, high efficiency, high operation flexibility, less investment and low energy consumption.Type: GrantFiled: June 25, 2018Date of Patent: March 17, 2020Assignee: Zhejiang Quhua Fluor-Chemistry Co LtdInventors: Jiangyong Hong, Bo Yang, Yan Zhang, Guojun Yu, Yang Zhao, Hao Ouyang, Haitao Gong
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Publication number: 20200039902Abstract: The invention discloses a method for co-operating low-carbon foaming agents, comprising: preheating 1,1,1,3,3-pentachloropropane and hydrogen fluoride and then introducing into a reactor to have a reaction in the presence of a catalyst to obtain a reaction product, and separating and purifying to obtain the following low-carbon foaming agent products: trans-1,3,3,3-tetrafluoropropene, cis-1,3,3,3-tetrafluoropropene, 1,1,1,3,3-pentafluoropropane, trans-1-chloro-3,3,3-trifluoropropene, cis-1-chloro-3,3,3-trifluoropropene. The invention has the advantages of simple process, environmental friendliness, high production efficiency and low cost.Type: ApplicationFiled: June 25, 2018Publication date: February 6, 2020Applicant: Zhejiang Quhua Fluor-Chemistry Co LtdInventors: Jiangyong HONG, Bo YANG, Yang ZHAO, Yan ZHANG, Huadong ZHOU, Hao OUYANG, Haitao GONG, Min FANG
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Publication number: 20200031742Abstract: Disclosed is a method for co-producing various alkenyl halides and hydrofluoroalkanes: cis-1-chloro-3,3,3-trifluoropropene is introduced into a first reactor to carry out an isomerization reaction in the presence of a first catalyst, and the reaction product is rectified to obtain a product trans-1-chloro-3,3,3-trifluoropropene; and 30-70 wt % of trans-1-chloro-3,3,3-trifluoropropene and hydrogen fluoride are mixed and then introduced into a second reactor to carry out a reaction in the presence of a second catalyst to obtain a second reactor reaction product; the second reactor reaction product is introduced into a phase separator for separation, and the obtained organic phase is rectified to obtain the products trans-1,3,3,3-tetrafluoropropene, cis-1,3,3,3-tetrafluoropropene and 1,1,1,3,3-pentafluoropropane. The invention has the advantages of simple process, high efficiency, high operation flexibility, less investment and low energy consumption.Type: ApplicationFiled: June 25, 2018Publication date: January 30, 2020Applicant: Zhejiang Quhua Fluor-Chemistry Co LtdInventors: Jiangyong HONG, Bo YANG, Yan ZHANG, Guojun YU, Yang ZHAO, Hao OUYANG, Haitao GONG
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Patent number: 10392328Abstract: A low-carbon environmentally-friendly foamer composition is disclosed. The composition includes the following ingredients in mass percentage: 60-98.99% of 1-chloro-3,3,3-trifluoropropene, 1-39.9% of 1,1,1,2,3-pentafluoropropane and 0.01-1% of 1,2,2,3-tetrafluoropropane. The GWP value of the low-carbon environmentally-friendly foamer composition is smaller than the GWP value of a single-medium HFC-245fa. This low-carbon environmentally-friendly foamer composition has the features of environmental protection, excellent foaming performance and little modification of foaming devices, and can reduce the heat conductivity coefficient and overall energy consumption level. Therefore, the low-carbon environmentally-friendly foamer composition is the best choice for high-performance hard insulating foam, and is an ideal choice of future foamer.Type: GrantFiled: July 21, 2017Date of Patent: August 27, 2019Assignee: Zhejiang Quhua Fluor-Chemistry Co LtdInventors: Jiangyong Hong, Bo Yang, Yang Zhao, Yan Zhang, Huadong Zhou, Hao Ouyang, Haitao Gong, Min Fang
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Patent number: 10214468Abstract: This invention discloses a method for co-production of 1-chloro-3,3,3-trifluoropropene, 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene. This method includes inputting the mixed gases of hydrogen fluoride and 1,1,1,3,3-pentachloropropane together with 1,1,2,3-tetrachloropropene into a first reactor for a reaction to obtain a reaction product; directly inputting the reaction product into a second reactor to perform a reaction in the presence of a catalyst; separating hydrogen chloride from the obtained product; obtaining 1-chloro-3,3,3-trifluoropropene, 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene respectively after water washing, alkaline washing, drying and rectifying. This invention has the advantages of flexible production, simple process, small investment, low energy consumption and high conversion rate.Type: GrantFiled: March 8, 2017Date of Patent: February 26, 2019Assignees: Zhejiang Quzhou Juxin Fluorine Chemical Co., Ltd., Zhejiang Quhua Fluor-Chemistry Co Ltd, Zhejiang Engineering Design Co., Ltd.Inventors: Jiangyong Hong, Aiguo Wang, Bo Yang, Yan Zhang, Guojun Yu, Yang Zhao, Hao Ouyang, Hao Pan
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Publication number: 20190047925Abstract: This invention discloses a method for co-production of 1-chloro-3,3,3-trifluoropropene, 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene. This method includes inputting the mixed gases of hydrogen fluoride and 1,1,1,3,3-pentachloropropane together with 1,1,2,3-tetrachloropropene into a first reactor for a reaction to obtain a reaction product; directly inputting the reaction product into a second reactor to perform a reaction in the presence of a catalyst; separating hydrogen chloride from the obtained product; obtaining 1-chloro-3,3,3-trifluoropropene, 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene respectively after water washing, alkaline washing, drying and rectifying. This invention has the advantages of flexible production, simple process, small investment, low energy consumption and high conversion rate.Type: ApplicationFiled: March 8, 2017Publication date: February 14, 2019Applicants: Zhejiang Quzhou Juxin Fluorine Chemical Co., Ltd., Zhejiang Quhua Fluor-Chemistry Co Ltd, Zhejiang Engineering Design Co., Ltd.Inventors: Jiangyong HONG, Aiguo WANG, Bo YANG, Yan ZHANG, Guojun YU, Yang ZHAO, Hao OUYANG, Hao PAN