CN109289525A - A kind of FeOOH desulfurizer regeneration method and dedicated screening agitating device - Google Patents

A kind of FeOOH desulfurizer regeneration method and dedicated screening agitating device Download PDF

Info

Publication number
CN109289525A
CN109289525A CN201810043865.4A CN201810043865A CN109289525A CN 109289525 A CN109289525 A CN 109289525A CN 201810043865 A CN201810043865 A CN 201810043865A CN 109289525 A CN109289525 A CN 109289525A
Authority
CN
China
Prior art keywords
fixedly connected
shaft
agitating device
feooh
screening
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
CN201810043865.4A
Other languages
Chinese (zh)
Other versions
CN109289525B (en
Inventor
刘宏亮
潘志华
陆捷
王明理
齐卫东
李继峰
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.)
DONGYING CITY HAIJIA CHEMICAL Co Ltd
Original Assignee
DONGYING CITY HAIJIA CHEMICAL Co 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 DONGYING CITY HAIJIA CHEMICAL Co Ltd filed Critical DONGYING CITY HAIJIA CHEMICAL Co Ltd
Priority to CN201810043865.4A priority Critical patent/CN109289525B/en
Publication of CN109289525A publication Critical patent/CN109289525A/en
Application granted granted Critical
Publication of CN109289525B publication Critical patent/CN109289525B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/96Regeneration, reactivation or recycling of reactants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/48Sulfur compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/70Pre-treatment of the materials to be mixed
    • B01F23/713Sieving materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05Stirrers
    • B01F27/07Stirrers characterised by their mounting on the shaft
    • B01F27/072Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
    • B01F27/0725Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis on the free end of the rotating axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/90Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms 
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B07B1/30Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro within their own plane in or approximately in or transverse to the direction of conveyance
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/60Inorganic bases or salts
    • B01D2251/602Oxides

Abstract

The invention discloses a kind of FeOOH desulfurizer regeneration method and dedicated screening agitating devices, the following steps are included: high-temperature roasting kiln roasting will be put into FeOOH desulfurizer material as main component, 500-800 DEG C of maturing temperature, calcining time 6-7 hours;The desulfurizer regeneration method of the present invention by adopting the above technical scheme, can available hydroxyl ferric oxide desulfurizer give up the desulfurizing agent in agent so that desulfurizing agent is regenerated, desulfurizing agent purity is up to 95% after regeneration, while no pollution to the environment;The screening agitating device structure of the present invention by adopting the above technical scheme is simple, screening efficiency is high.

Description

A kind of FeOOH desulfurizer regeneration method and dedicated screening agitating device
Technical field
The present invention relates to desulfurizing agent technical field more particularly to a kind of FeOOH desulfurizer regeneration method and Special screens Divide agitating device.
Background technique
Contain a large amount of sulfide in industrial gasses and exhaust gas, the sulfide in industrial gasses will cause in industrial production The poisoning of catalyst, inactivation, shorten the service life of catalyst, the replacement frequency of catalyst are increased, to improve into This, the sulfide direct emission in exhaust gas will cause the harm to environment and people and animals, therefore either industrial gasses or exhaust gas In sulfide should be removed.The method of the gas sweetening generally used uses solid desulfurating agent and gas for gas-solid method Sulfide in body, which carries out physical absorption or chemical reaction, is purified gas so that sulfide is fixed in desulfurizing agent.
Currently, common desulfurizing agent can only carry out disposable, the desulfurizing agent that generates after use gives up agent mostly using filling out The modes such as bury to be handled, which not only adds gas purification cost, and desulfurizing agent give up the sulfide in agent still can be right Environment pollutes.
In recent years, researcher has invented a kind of using FeOOH as the desulfurizing agent of active component, which is used for After desulfurization, FeOOH therein is changed into iron sulfide, by desulfurizing agent give up agent carry out regeneration treatment after, iron sulfide therein is again It can be regenerated as FeOOH, to realize the recycling of desulfurizing agent.
The patent of invention that number of patent application is 2012100178819 discloses a kind of using FeOOH as active component The regeneration method of desulfurizing agent, comprising the following steps:
(1) it will be broken into powder by the useless agent of the desulfurizing agent of active component of FeOOH, into the powder plus water is matched Suspension is made;
(2) oxygenous gas is passed through in the suspension obtained to step (1) to be aoxidized, vulcanize the iron in suspension Object is oxidized to FeOOH and sulphur simple substance;
(3) sulphur simple substance of floating obtained in step (2) is separated, the FeOOH of precipitating is filtered, washed, FeOOH after being regenerated after drying.
Above method complex process, while cannot directly recycle to obtain desulfurizing agent, but obtain FeOOH and sulphur list Matter, there is presently no good methods can directly recycle desulfurizing agent.
Summary of the invention
The technical problem to be solved by the present invention is to be directed to existing deficiencies in the technology, a kind of hydroxyl oxidation is provided Iron desulfurizer regeneration method and dedicated screening agitating device, low energy consumption for this method, process flow is simple, recycling desulfurizer purity It is high, pollution-free;
It is simple using screening plant structure of the invention, screening efficiency is high.
The invention adopts the following technical scheme: a kind of FeOOH desulfurizer regeneration method, comprising the following steps:
A, high-temperature roasting kiln roasting, maturing temperature will be put into FeOOH desulfurizer material as main component 500-800 DEG C, calcining time 6-7 hours;
B, the material after roasting is ground, sieves to obtain 100-150 mesh particle by sieving agitating device, is then placed in The dilute sulfuric acid of 1mol/L is dispersed, and by screening agitating device stirring 10-20min, the solid-to-liquid ratio of material and dilute sulfuric acid is 1: 2-6 (g/ml), jitter time 10-30min obtain dispersion liquid;
C, above-mentioned dispersion liquid is heated to 60 DEG C under normal pressure, it is same that hydrogen peroxide is then added into dispersion liquid using peristaltic pump When stir, the flow control that hydrogen peroxide is added is 500mL/min, by vacuumizing the dioxy that transfer generates rapidly while reaction Change sulphur gas;
D, obtained precipitating is washed with water 3 times after the reaction was completed, filtering reacting liquid, and washing temperature is 60-70 DEG C, so It is dried at 300-500 DEG C afterwards, obtains regenerated FeOOH desulfurizer.
A kind of FeOOH desulfurizer regenerates dedicated screening agitating device, including cylinder, cylinder it is open at one end another End sealing, the open end of cylinder are fixedly connected with fixed disk, and the position being located on the outside of cylinder in the disk of fixed disk is fixedly connected There is motor, shaft is fixedly connected on motor, the end of shaft through fixed disk and is fixedly connected with turntable, fixed on turntable to connect It is connected to auxiliary screening blade, is connected with swing mechanism in shaft.
The swing mechanism includes two rack gears disposed in parallel, and the tooth of two rack gears is oppositely arranged the both ends of two rack gears It is fixedly connected respectively by connecting shaft, half gear is equipped between two rack gears, half gear is engaged with two rack gears respectively, half gear Be fixedly connected in shaft, sunpender be respectively articulated in two connecting shafts, one end of sunpender and connecting shaft are hinged, connecting shaft it is another One end is hinged with fixed disk;
Rectangular housing is fixedly connected with below swing mechanism, the side of rectangular housing is fixedly connected with rack gear, Rectangular shell The other side of body is fixedly connected with sieve, and turntable and auxiliary screening blade are arranged in rectangular housing;
Shaft is connected with stirring blade through sieve.
The desulfurizer regeneration method of the present invention by adopting the above technical scheme, can available hydroxyl ferric oxide desulfurizer give up agent in Desulfurizing agent so that desulfurizing agent is regenerated, desulfurizing agent purity is up to 95% after regeneration, while no pollution to the environment;The present invention Screening agitating device structure by adopting the above technical scheme is simple, screening efficiency is high.
Detailed description of the invention
Accompanying drawing 1 is the structural representation of the present invention;
Attached drawing 2 is the connection schematic diagram of swing mechanism and half gear in the present invention.
In figure: 1- fixed disk;2- motor;3- shaft;4- cylinder;5- sunpender;6- swing mechanism;7- rectangular housing;8- turns Disk;9- auxiliary screening blade;10- sieve;Half gear of 11-;601- rack gear;602- connecting shaft;11- stirring blade.
Specific embodiment
Embodiment 1, a kind of FeOOH desulfurizer regeneration method, comprising the following steps:
A, high-temperature roasting kiln roasting, maturing temperature will be put into FeOOH desulfurizer material as main component 500 DEG C, calcining time 6 hours;
B, the material after roasting is ground, sieves to obtain 100-150 mesh particle by sieving agitating device, is then placed in The dilute sulfuric acid of 1mol/L is dispersed, and by screening agitating device stirring 10min, the solid-to-liquid ratio of material and dilute sulfuric acid is 1: 2 (g/ Ml), jitter time 10min obtains dispersion liquid;
C, above-mentioned dispersion liquid is heated to 60 DEG C under normal pressure, it is same that hydrogen peroxide is then added into dispersion liquid using peristaltic pump When stir, the flow control that hydrogen peroxide is added is 500mL/min, by vacuumizing the dioxy that transfer generates rapidly while reaction Change sulphur gas;
D, obtained precipitating is washed with water 3 times after the reaction was completed, filtering reacting liquid, and washing temperature is 60 DEG C, then exists It is dried at 300 DEG C, obtains regenerated FeOOH desulfurizer.
Embodiment 2, a kind of FeOOH desulfurizer regeneration method, comprising the following steps:
A, high-temperature roasting kiln roasting, maturing temperature will be put into FeOOH desulfurizer material as main component 600 DEG C, calcining time 6.5 hours;
B, the material after roasting is ground, sieves to obtain 100-150 mesh particle by sieving agitating device, is then placed in The dilute sulfuric acid of 1mol/L is dispersed, and by screening agitating device stirring 15min, the solid-to-liquid ratio of material and dilute sulfuric acid is 1: 4 (g/ Ml), jitter time 20min obtains dispersion liquid;
C, above-mentioned dispersion liquid is heated to 60 DEG C under normal pressure, it is same that hydrogen peroxide is then added into dispersion liquid using peristaltic pump When stir, the flow control that hydrogen peroxide is added is 500mL/min, by vacuumizing the dioxy that transfer generates rapidly while reaction Change sulphur gas;
D, obtained precipitating is washed with water 3 times after the reaction was completed, filtering reacting liquid, and washing temperature is 65 DEG C, then exists It is dried at 400 DEG C, obtains regenerated FeOOH desulfurizer.
Embodiment 3, a kind of FeOOH desulfurizer regeneration method, comprising the following steps:
A, high-temperature roasting kiln roasting, maturing temperature will be put into FeOOH desulfurizer material as main component 800 DEG C, calcining time 7 hours;
B, the material after roasting is ground, sieves to obtain 100-150 mesh particle by sieving agitating device, is then placed in The dilute sulfuric acid of 1mol/L is dispersed, and by screening agitating device stirring 20min, the solid-to-liquid ratio of material and dilute sulfuric acid is 1: 6 (g/ Ml), jitter time 30min obtains dispersion liquid;
C, above-mentioned dispersion liquid is heated to 60 DEG C under normal pressure, it is same that hydrogen peroxide is then added into dispersion liquid using peristaltic pump When stir, the flow control that hydrogen peroxide is added is 500mL/min, by vacuumizing the dioxy that transfer generates rapidly while reaction Change sulphur gas;
D, obtained precipitating is washed with water 3 times after the reaction was completed, filtering reacting liquid, and washing temperature is 70 DEG C, then exists It is dried at 500 DEG C, obtains regenerated FeOOH desulfurizer.
Embodiment 4, a kind of dedicated screening agitating device of FeOOH desulfurizer regeneration, including cylinder 4, the one of cylinder 4 The sealing of the end opening other end, the open end of cylinder 4 are fixedly connected with fixed disk 1, and 4 outside of cylinder is located in the disk of fixed disk 1 Position be fixedly connected with motor 2, be fixedly connected with shaft 3 on motor 2, the end of shaft 3 through fixed disk 1 and is fixedly connected There is turntable 8, auxiliary screening blade 9 is fixedly connected on turntable 8, is connected with swing mechanism 6 in shaft 3.
The swing mechanism 6 includes two rack gears 601 disposed in parallel, and the tooth of two rack gears 601 is oppositely arranged two teeth The both ends of item 601 pass through connecting shaft 602 respectively and are fixedly connected, and half gear 11, half gear 11 difference are equipped between two rack gears 601 It being engaged with two rack gears 601, half gear 11 is fixedly connected in shaft 3, it has been respectively articulated with sunpender 5 in two connecting shafts 602, One end of sunpender 5 and connecting shaft 602 are hinged, and the other end and fixed disk 1 of connecting shaft 602 are hinged.
The lower section of swing mechanism 6 is fixedly connected with rectangular housing 7, and the side of rectangular housing 7 is fixedly connected with rack gear 601, The other side of rectangular housing 7 is fixedly connected with sieve 10, and turntable 8 and auxiliary screening blade 9 are arranged in rectangular housing 7.
Shaft 3 is connected with stirring blade 11 through sieve 10.
When work, material to be sieved is placed on sieve 10, dilution heat of sulfuric acid is contained in cylinder 4, motor 2 is with turn Axis 3 rotates, and shaft 3 drives rectangular housing 7 or so to put with a transmission connection in two rack gears 601 respectively by half gear 11 Dynamic to be sieved, the rotation of turntable 8 is sieved with the material on the dynamic auxiliary screening rotation auxiliary sieve 10 of blade 9, after screening Material enters in cylinder 4, motor 2 drive shaft 3 rotate, shaft 3 drive stirring blade 11 rotation to the material in cylinder 4 into Row stirring.

Claims (2)

1. a kind of FeOOH desulfurizer regeneration method, it is characterised in that: the following steps are included:
A, high-temperature roasting kiln roasting, maturing temperature 500- will be put into FeOOH desulfurizer material as main component 800 DEG C, calcining time 6-7 hours;
B, the material after roasting is ground, sieves to obtain 100-150 mesh particle by sieving agitating device, is then placed in 1mol/L Dilute sulfuric acid dispersed, 10-20min is stirred by screening agitating device, the solid-to-liquid ratio of material and dilute sulfuric acid is 1: 2-6 (g/ Ml), jitter time 10-30min obtains dispersion liquid;
C, above-mentioned dispersion liquid is heated to 60 DEG C under normal pressure, hydrogen peroxide is then added into dispersion liquid using peristaltic pump and is stirred simultaneously It mixes, the flow control that hydrogen peroxide is added is 500mL/min, by vacuumizing the sulfur dioxide that transfer generates rapidly while reaction Gas;
D, obtained precipitating is washed with water 3 times after the reaction was completed, filtering reacting liquid, and washing temperature is 60-70 DEG C, then exists It is dried at 300-500 DEG C, obtains regenerated FeOOH desulfurizer.
2. a kind of FeOOH desulfurizer regenerates dedicated screening agitating device, it is characterised in that: including cylinder (4), cylinder (4) The other end open at one end sealing, the open end of cylinder (4) is fixedly connected with fixed disk (1), is located in the disk of fixed disk (1) Position on the outside of cylinder (4) is fixedly connected with motor (2), is fixedly connected on motor (2) shaft (3), and the end of shaft (3) is passed through It fastens price fixing (1) and is fixedly connected with turntable (8), auxiliary screening blade (9) is fixedly connected on turntable (8), shaft connects on (3) It is connected to swing mechanism (6);
The swing mechanism (6) includes two rack gears (601) disposed in parallel, and the tooth of two rack gears (601) is oppositely arranged two The both ends of rack gear (601) pass through connecting shaft (602) respectively and are fixedly connected, and are equipped with half gear (11) between two rack gears (601), and half Gear (11) is engaged with two rack gears (601) respectively, and half gear (11) is fixedly connected on shaft (3), two connecting shafts (602) On be respectively articulated with sunpender (5), one end of sunpender (5) and connecting shaft (602) hingedly, the other end of connecting shaft (602) and fixation Disk (1) is hinged;
It is fixedly connected with below swing mechanism (6) rectangular housing (7), the side and rack gear (601) of rectangular housing (7) are fixed to be connected It connects, the other side of rectangular housing (7) is fixedly connected with sieve (10), and turntable (8) and auxiliary screening blade (9) are arranged in Rectangular shell In body (7);
Shaft (3) is connected with stirring blade (11) through sieve (10).
CN201810043865.4A 2018-01-07 2018-01-07 Method for regenerating FeOOH desulfurizer and special screening and stirring device Active CN109289525B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810043865.4A CN109289525B (en) 2018-01-07 2018-01-07 Method for regenerating FeOOH desulfurizer and special screening and stirring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810043865.4A CN109289525B (en) 2018-01-07 2018-01-07 Method for regenerating FeOOH desulfurizer and special screening and stirring device

Publications (2)

Publication Number Publication Date
CN109289525A true CN109289525A (en) 2019-02-01
CN109289525B CN109289525B (en) 2021-07-09

Family

ID=65167453

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810043865.4A Active CN109289525B (en) 2018-01-07 2018-01-07 Method for regenerating FeOOH desulfurizer and special screening and stirring device

Country Status (1)

Country Link
CN (1) CN109289525B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110975614A (en) * 2019-12-30 2020-04-10 东营市海嘉化工有限公司 System and method for recycling and utilizing iron oxyhydroxide desulfurizer
CN113290989A (en) * 2021-04-20 2021-08-24 广西南宁明源木业有限公司 Photocatalyst antibacterial ecological plate and processing method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4478800A (en) * 1981-08-07 1984-10-23 Veg Gasinstituut N.V. Process for removal of sulfur compounds from gases
US20010005981A1 (en) * 1997-08-12 2001-07-05 Winchester Eric L. Removing hydrogen sulfide from a gaseous mixture using iron hydroxide bonded to calcined diatomite
CN201445932U (en) * 2009-05-26 2010-05-05 常州碳酸钙有限公司 Integrating device of stirring screen
CN103055834A (en) * 2013-01-28 2013-04-24 长沙理工大学 Regeneration method for spent ferric oxide desulfurizer
CN107440138A (en) * 2017-08-22 2017-12-08 刘家豪 A kind of agricultural production peanut surface soil high-efficiency washing device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4478800A (en) * 1981-08-07 1984-10-23 Veg Gasinstituut N.V. Process for removal of sulfur compounds from gases
US20010005981A1 (en) * 1997-08-12 2001-07-05 Winchester Eric L. Removing hydrogen sulfide from a gaseous mixture using iron hydroxide bonded to calcined diatomite
CN201445932U (en) * 2009-05-26 2010-05-05 常州碳酸钙有限公司 Integrating device of stirring screen
CN103055834A (en) * 2013-01-28 2013-04-24 长沙理工大学 Regeneration method for spent ferric oxide desulfurizer
CN107440138A (en) * 2017-08-22 2017-12-08 刘家豪 A kind of agricultural production peanut surface soil high-efficiency washing device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110975614A (en) * 2019-12-30 2020-04-10 东营市海嘉化工有限公司 System and method for recycling and utilizing iron oxyhydroxide desulfurizer
CN110975614B (en) * 2019-12-30 2020-11-20 山东海嘉石油化工有限公司 System and method for recycling and utilizing iron oxyhydroxide desulfurizer
CN113290989A (en) * 2021-04-20 2021-08-24 广西南宁明源木业有限公司 Photocatalyst antibacterial ecological plate and processing method thereof

Also Published As

Publication number Publication date
CN109289525B (en) 2021-07-09

Similar Documents

Publication Publication Date Title
CN109289525A (en) A kind of FeOOH desulfurizer regeneration method and dedicated screening agitating device
CN103495333A (en) Treatment technology for Claus tail gas containing sulfur dioxide, hydrogen sulfide and organic sulfur
CN104475165B (en) A kind of preparation method of oxidation-desulfurizing catalyst
CN103274366A (en) Method for efficiently recycling elemental sulfur in process of treating sulfur dioxide flue gas by using sodium sulfide
CN207195001U (en) A kind of automatic automobile exhaust gas purifying installation for changing filter screen
CN108636319A (en) One kind 2,4,5- trichloroanilines process units and method
CN109550521A (en) A kind of catalyst, preparation method and its application handling disused aine liquid
CN109731474B (en) A kind of regenerating desulfurization device and its technique
CN218188921U (en) Be used for fluidized bed flue gas desulphurization unit
CN106582647A (en) Preparation method of composite desulfurization and denitrification catalyst
CN110143640A (en) A kind of method of butyl xanthate in photocatalytic oxidation degradation beneficiation wastewater of sulphide ore
CN105056736B (en) A kind of device for desulfurization and dedusting
CN106512932A (en) Preparation method for adsorbent removing hydrogen sulfide, carbonyl sulfide and carbon disulfide simultaneously
CN213913044U (en) Liquid nitrogen solvent recovery and tail gas treatment system
CN112516857A (en) Agitating unit of production usefulness of basic zinc carbonate
CN111592145A (en) Medical wastewater treatment device based on gear transmission principle
CN207680361U (en) A kind of emission-control equipment based on pesticide producing
CN201254461Y (en) Chemical carbon production converter
CN107746973A (en) Utilize desulfurizer in the dry kiln kiln of RKEF method smelting ferronickels
CN105126826A (en) Manganese oxide/titanium dioxide catalyst for FCC (catalytic cracking) regenerated flue gas denitrification, preparation method therefore and applications
CN206810266U (en) One kind production sodium kneader of iminodisuccinic acid four
CN208878257U (en) Plasma oxidation device is used in a kind of processing of industrial waste gas
CN209302526U (en) A kind of organic synthesis tail gas filter
CN105056737B (en) A kind of device for desulfurization
CN217449620U (en) Harmful waste gas recovery device is smelted to copper scrap

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Address after: 261000 No.7 Fulin Road, Shikou Town, Dongying District, Dongying City, Shandong Province

Applicant after: Shandong Haijia Petrochemical Co.,Ltd.

Address before: 261000 west of Xiyi road and south of Weifang Road, Dongying District, Dongying City, Shandong Province

Applicant before: DONGYING CITY FINE CHEMICAL Co.,Ltd.

CB02 Change of applicant information
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A Regeneration Method of Hydroxy Iron Oxide Desulfurizer and Special Sieving Agitator

Effective date of registration: 20220928

Granted publication date: 20210709

Pledgee: Dongying Rural Commercial Bank Co.,Ltd. Shikou Sub branch

Pledgor: Shandong Haijia Petrochemical Co.,Ltd.

Registration number: Y2022980016632

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20230921

Granted publication date: 20210709

Pledgee: Dongying Rural Commercial Bank Co.,Ltd. Shikou Sub branch

Pledgor: Shandong Haijia Petrochemical Co.,Ltd.

Registration number: Y2022980016632

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A regeneration method and dedicated screening and stirring device for hydroxyl iron oxide desulfurizer

Effective date of registration: 20231103

Granted publication date: 20210709

Pledgee: Dongying Rural Commercial Bank Co.,Ltd. Shikou Sub branch

Pledgor: Shandong Haijia Petrochemical Co.,Ltd.

Registration number: Y2023980064051

PE01 Entry into force of the registration of the contract for pledge of patent right