CN208186379U - It is a kind of for handling the spent acid incinerator of the sour gas containing ammonia - Google Patents
It is a kind of for handling the spent acid incinerator of the sour gas containing ammonia Download PDFInfo
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- CN208186379U CN208186379U CN201721197795.5U CN201721197795U CN208186379U CN 208186379 U CN208186379 U CN 208186379U CN 201721197795 U CN201721197795 U CN 201721197795U CN 208186379 U CN208186379 U CN 208186379U
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- Prior art keywords
- incinerator
- firebreak
- acid
- spray gun
- spent acid
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- 239000002253 acid Substances 0.000 title claims abstract description 61
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 20
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 10
- 239000007921 spray Substances 0.000 claims abstract description 28
- 238000009413 insulation Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 230000003628 erosive effect Effects 0.000 claims abstract description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 235000019353 potassium silicate Nutrition 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 238000009827 uniform distribution Methods 0.000 claims description 3
- 239000010425 asbestos Substances 0.000 claims description 2
- 229910052895 riebeckite Inorganic materials 0.000 claims description 2
- 206010022000 influenza Diseases 0.000 claims 1
- 238000010422 painting Methods 0.000 claims 1
- 239000011257 shell material Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 239000011449 brick Substances 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 229910000975 Carbon steel Inorganic materials 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000010962 carbon steel Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052863 mullite Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000007327 hydrogenolysis reaction Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006277 sulfonation reaction Methods 0.000 description 1
Abstract
It is a kind of for handling the spent acid incinerator of the sour gas containing ammonia, it is characterised in that incinerator is horizontal type structure, by it is outer and it is interior include outer heat insulation layer, shell, erosion resistant coating, thermal insulation layer, fire resisting acid-resistant layer；Burner end plate is equipped with water spray gun, spent sulfuric acid spray gun, main burner；Aperture firebreak and lower aperture firebreak are arranged alternately in the middle part of burner hearth；Water spray gun and wind-supplying mouth are set between barricade.The utility model advantage is low azo-cycle guarantor, efficient and safety and stability.
Description
Technical field
The invention belongs to technical field of environmental protection in chemical industry, and in particular to a kind of spent acid burning for handling the sour gas containing ammonia
Furnace.
Background technique
All kinds of chemical plant installations in China, such as it is related to sulfonation, alkylation, hydration hydrolysis, purification and dehydration technique, every year
The capital a large amount of Waste Sulfuric Acids of by-product, the sulfur waste acid concentration that above-mentioned apparatus generates is high, and contains large amount of organic, it is extremely difficult to handle.Sulfur waste
Acid cleavage regeneration technology has treating capacity big, and processing cost is low, produces continuous-stable, and high income, good product quality handle nothing
The advantages that secondary pollution, and a large amount of steam of by-product, have good environmental benefit and economic benefit.
Waste Sulfuric Acid pyrolysis recycle technique generallys use natural gas, the dry gas of liquefied gas or refinery's by-product, hydrogenolysis gassing etc.
As fuel, reaction institute's calorific requirement is provided, causes spent acid pyrolysis recycle device production cost higher.
Some petroleum chemical enterprise's proposed adoption by-products it is a kind of containing ammonia sour gas (main component be hydrogen sulfide, ammonia, hydrogen,
Carbon monoxide, carbon dioxide and hydro carbons) fuel as spent acid cracking such as natural gas is substituted, device production cost is reduced, and return
The Sulphur ressource in sour gas is received, but since the ammonia content in sour gas is up to 10-30%, using traditional spent acid cracking technology
A large amount of NOx can be generated, causing can not qualified discharge in device exhaust.
Summary of the invention
The utility model is to be directed to above-mentioned status, and proposition is a kind of for handling the spent acid incinerator of the sour gas containing ammonia,
Can guarantee spent acid sufficiently crack and sour gas sufficiently, on the basis of completely burned, reduce the generation of NOx to greatest extent.
Spent acid incinerator in the utility model is achieved like this: the spent acid for handling the sour gas containing ammonia burns
Furnace, it is characterised in that incinerator is horizontal type structure, by outer and interior including outer heat insulation layer (2), shell, erosion resistant coating (4), thermal insulation layer
(5), fire resisting acid-resistant layer (7)；Shell includes cylinder (3), end plate (8) and support (9)；Burner end plate be equipped with water spray gun (h1),
Spent sulfuric acid spray gun (f), main burner (g)；Cylinder (3) is equipped with explosionproof hole (p), visor (a), auxiliary burner (d), temperature measuring point
(c), pressure tap (n), manhole (b), baker gas vent (o)；Be arranged alternately in the middle part of burner hearth aperture firebreak (II type) and under open
Hole firebreak (I type)；Water spray gun (h) and wind-supplying mouth (k) are set between barricade；Furnace gas export (e) is arranged in incinerator tail portion.
Generally, 1 water spray gun (h2) and at least one wind-supplying mouth (k) are equipped between the barricade in the middle part of the incinerator.
The water spray gun (h2) is directed toward the central axes of incinerator perpendicular to shell.
The wind-supplying mouth (k) is along the radially uniform distribution of burner hearth.
The outer heat insulation layer (2) is welded on stiffening ring (1) using stainless steel plate circumferential direction, is sealed in shell and stainless steel plate
Between air as thermal insulation medium.
Erosion resistant coating (4) are equipped on the inside of the cylinder (3), erosion resistant coating is first to brush several times graphite waterglass, then pastes stone
Cotton plate or ceramic beaverboard；Or the coating of brush one layer of high temperature-resistant acid-resistant erosion.
The thermal insulation layer (5) it is horizontal and vertical on every 1~3m be arranged one of expansion joint.
One of expansion joint is set every 2~4m in the axial direction of the fire resisting acid-resistant layer (7).
Expansion joint fissure of displacement setting between the thermal insulation layer (5) and fire resisting acid-resistant layer (7), fissure of displacement distance are greater than 100mm.
At least 2 firebreaks are arranged in the middle part of the incinerator；Firebreak be respectively upper aperture firebreak (II type) and under
Aperture firebreak (I type), two kinds of firebreaks are staggered, and the top of lower aperture firebreak (I type) is equipped at least one aperture, on
There are access paths for lower part for aperture firebreak (II type).
The shell material of the utility model spent acid incinerator is carbon steel, and stiffening ring is provided with outside cylinder, and both ends end plate is used
Angle steel is reinforced, and bottom is supported with saddle；Soldering stainless steel thin plate plays rain-proof as Rainproof heat-insulation cover on stiffening ring outside shell
With the effect of heat preservation；Case inside, which is welded with anchoring piece, to be used to fix thermal insulation layer；The castable of insulating is live ramming, often
Every one section at horizontal and vertical setting expansion joint；Fire resisting acid-resistant layer and furnace inner fire-baffling wall are by prefabricated corundum-mullite refractory brick
It builds, fire resisting acid-resistant layer is arranged an annular retractable every a distance along axial direction and stitches；Per pass firebreak two sides and top are all set
Set the expansion joint of different in width, the expansion joint of all fire resisting acid-resistant layers and firebreak is all tamped with alumina silicate fibre.Spent acid burns
The fire resisting acid-resistant layer of furnace uses corundum-mullite fire resisting brick masonry, not only has high-temperature stability but also acid resistance；Insulating
Using high alumina castable scene ramming, heatproof and heat-proof quality is excellent and good integrity substantially reduces the energy consumption of equipment.
It when spent acid incinerator is installed, first places it on support roller, then welds the pre-embedded steel slab on tail portion and basis
It is fixed.The corresponding one group of support roller of each saddle of incinerator, every group of support roller are equipped with several round steel, and round steel material is generally
Stainless steel.
The innovation of the utility model is all to be provided with water spray gun in the burner of spent acid incinerator and middle part, anti-in furnace
Spray cooling should be carried out when the temperature is excessively high, can greatly reduce the generation of thermal NO x by reducing reaction temperature.In addition,
Wind-supplying mouth is arranged in the middle part of spent acid incinerator, by the fractional combustion of sour gas, controls partly reducing atmosphere before incinerator, in
Portion is oxidizing atmosphere, greatly reduces the generation of fuel type NOx.The utility model advantage is that low azo-cycle is protected, is efficiently and safe
Stablize.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment spent acid incinerator.
Fig. 2 is spent acid incinerator burner schematic side view in embodiment.
Fig. 3 is spent acid incinerator furnace tail schematic side view in embodiment.
Fig. 4 is II type firebreak structural schematic diagram of spent acid incinerator in embodiment.
Fig. 5 is I type firebreak structural schematic diagram of spent acid incinerator in embodiment.
Fig. 6 is spent acid incinerator wind-supplying mouth structural schematic diagram in embodiment.
Nozzle in figure: a, visor, b, manhole, c, temperature measuring point, d, auxiliary burner, e, furnace gas export, f, spent sulfuric acid spray gun, g,
Main burner, h, water spray gun, k, wind-supplying mouth, n, pressure tap, o, gas vent, p, explosionproof hole.
In figure: 1, stiffening ring, 2, outer heat insulation layer, 3, cylinder, 4, erosion resistant coating, 5, thermal insulation layer, 6, anchor studs, 7, fire resisting it is acidproof
Layer, 8, end plate, 9, support, 10, support roller, 11, access path.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
Embodiment
With reference to attached drawing 1, spent acid incinerator is horizontal type structure, and incinerator is placed on support roller (10) by when installation.It is useless
Sour incinerator primary structure is by outer and interior acidproof including outer heat insulation layer (2), shell, erosion resistant coating (4), thermal insulation layer (5), fire resisting
Layer (7)；Burner end plate (8) is equipped with water spray gun (h1), spent sulfuric acid spray gun (f), main burner (g)；Cylinder (3) is equipped with
Explosionproof hole (p), visor (a), auxiliary burner (d), manhole (b), baker gas vent (o)；Furnace gas export (e) setting
In incinerator tail portion；Water spray gun (h2) and several wind-supplying mouths (k) are equipped in the middle part of cylinder (3)；It is arranged alternately down and opens in burner hearth
Several apertures, II type firebreak lower part is arranged in hole firebreak (I type) and upper aperture firebreak (II type), I type firebreak top
Equipped with access path (11).
Burner end plate (8) is equipped with a spent acid spray gun (f), a main burner (g), a water spray gun (h1), furnace
Transom piece is equipped with furnace gas export (e).Spent acid spray gun and water spray gun are atomized using compressed air, spent acid spray gun, water spray gun and
The material of burner is stainless steel.
Cylinder (3) be equipped with 2 explosionproof holes (p), 2 visors (a), 2 manholes (b), 1 auxiliary burner (d), 2
A baker gas vent (o), 2 temperature measuring points (c), 2 pressure taps (n).Water is equipped in the middle part of cylinder (3) between two barricades
Spray gun (h2) and 12 wind-supplying mouths (k).Water spray gun (h2) is directed toward the central axes of incinerator perpendicular to shell.Wind-supplying mouth
(k) along the radially uniform distribution of burner hearth.
Spent acid incinerator is equipped with outer heat insulation layer (2), and specific method is in the circumferential soldering stainless steel plate of stiffening ring (1) as anti-
Air is sealed between rain cover and shell by canopy, plays the role of Rainproof heat-insulation.
One of primary structure of spent acid incinerator is shell, and the material of shell is carbon steel, and shell is by cylinder (3), end plate (8)
It is formed with support (9).Cylinder (3) is externally provided with several stiffening ring (1)；Hexsteel or anchor studs (6) knot are welded on the inside of cylinder (3)
Structure, for fixing thermal insulation layer (5), the material of hexsteel or anchor studs (6) can be carbon steel, stainless steel or other heat-resisting alloys
The form of steel, anchor studs (6) can be Y type, V-type, S type, Ω type etc..
Erosion resistant coating (4) are equipped on the inside of cylinder (3), production method is: first brushing several times graphite waterglass erosion resistant coatings, then stick
Paste asbestos board or ceramic beaverboard；Or the coating of brush one layer of high temperature-resistant acid-resistant erosion.
The structure of spent acid incinerator first is that thermal insulation layer (5), material are generally lightening casting material, the cross of thermal insulation layer (5)
To the expansion joint together with being arranged on longitudinal direction every 1~3m.
The structure of spent acid incinerator first is that fire resisting acid-resistant layer (7), material are generally corundum-mullite refractory brick, fire resisting
Acid-resistant layer is arranged an annular retractable every 2~4m along axial direction and stitches.
Expansion joint between thermal insulation layer (5) and between thermal insulation layer (5) and fire resisting acid-resistant layer (7) answers the fissure of displacement to be arranged, the fissure of displacement
Distance must be greater than 100mm.
At least 2 firebreaks are arranged in the middle part of spent acid incinerator, to increase gas stream in the stove turbulence.The material of firebreak brick
Matter is identical as fire resisting acid-resistant layer；Firebreak has two kinds of lower part aperture (I type) and top aperture (II type), and two kinds of firebreaks are staggeredly set
It sets, specific structure is shown in schematic diagram；The top of I type firebreak is equipped with several apertures, and there are access paths for II type firebreak lower part
(12)；Expansion joint is set inside firebreak and between firebreak and annular fire resisting acid-resistant layer.
When spent acid incinerator is installed, (10) are first placed it on support roller, then by the pre-embedded steel slab of tail portion and basis
It is welded and fixed.The corresponding one group of support roller of each saddle of incinerator, every group of support roller are equipped with several round steel, round steel material one
As be stainless steel.
Claims (7)
1. a kind of for handling the spent acid incinerator of the sour gas containing ammonia, it is characterised in that incinerator is horizontal type structure, by outer and interior
Including outer heat insulation layer (2), shell, erosion resistant coating (4), thermal insulation layer (5), fire resisting acid-resistant layer (7)；Shell includes cylinder (3), end plate
(8) and support (9)；Burner end plate is equipped with water spray gun (h1), spent sulfuric acid spray gun (f), main burner (g)；Cylinder (3) is equipped with
Explosionproof hole (p), visor (a), auxiliary burner (d), temperature measuring point (c), pressure tap (n), manhole (b), baker gas vent (o)；Burner hearth
Middle part is arranged alternately aperture firebreak and lower aperture firebreak；Water spray gun (h) and wind-supplying mouth (k) are set between barricade；Furnace gas
(e) is exported to be arranged in incinerator tail portion；1 water spray gun (h2) and at least one wind-supplying mouth are equipped between barricade in the middle part of incinerator
(k), water spray gun (h2) is perpendicular to shell, and is directed toward the central axes of incinerator, and wind-supplying mouth (k) is along the radially uniform distribution of burner hearth.
2. spent acid incinerator according to claim 1, it is characterised in that: outer heat insulation layer (2) is welded using stainless steel plate circumferential direction
In on stiffening ring (1), the air between shell and stainless steel plate is sealed in as thermal insulation medium.
3. spent acid incinerator according to claim 1, it is characterised in that: be equipped with erosion resistant coating (4) on the inside of cylinder (3), erosion resistant coating
It is several all over graphite waterglass first to brush, then paste asbestos board or ceramic beaverboard；Or the painting of brush one layer of high temperature-resistant acid-resistant erosion
Material.
4. spent acid incinerator according to claim 1, it is characterised in that: thermal insulation layer (5) it is horizontal and vertical on every 1~
One of expansion joint is arranged in 3m.
5. spent acid incinerator according to claim 1, it is characterised in that: set in the axial direction of fire resisting acid-resistant layer (7) every 2~4m
Set one of expansion joint.
6. spent acid incinerator according to claim 4 or 5, it is characterised in that: between thermal insulation layer (5) and fire resisting acid-resistant layer (7)
The expansion joint fissure of displacement setting, the fissure of displacement distance be greater than 100mm.
7. spent acid incinerator according to claim 1, it is characterised in that: at least 2 firebreaks are arranged in the middle part of incinerator；Gear
Wall with flues is respectively that upper aperture firebreak and lower aperture firebreak, two kinds of firebreaks are staggered, and the top of lower aperture firebreak is set
There is at least one aperture, there are access paths for upper aperture firebreak lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721197795.5U CN208186379U (en) | 2017-09-19 | 2017-09-19 | It is a kind of for handling the spent acid incinerator of the sour gas containing ammonia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721197795.5U CN208186379U (en) | 2017-09-19 | 2017-09-19 | It is a kind of for handling the spent acid incinerator of the sour gas containing ammonia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208186379U true CN208186379U (en) | 2018-12-04 |
Family
ID=64441363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721197795.5U Active CN208186379U (en) | 2017-09-19 | 2017-09-19 | It is a kind of for handling the spent acid incinerator of the sour gas containing ammonia |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208186379U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356797A (en) * | 2021-06-30 | 2021-09-07 | 中建西部建设建材科学研究院有限公司 | Assembled high-temperature-resistant system and preparation method thereof |
-
2017
- 2017-09-19 CN CN201721197795.5U patent/CN208186379U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356797A (en) * | 2021-06-30 | 2021-09-07 | 中建西部建设建材科学研究院有限公司 | Assembled high-temperature-resistant system and preparation method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210715 Address after: Liuhe District of Nanjing City, Jiangsu province 210048 geguan Road No. 699 Patentee after: SINOPEC NANJING CHEMICAL RESEARCH INSTITUTE Co.,Ltd. Address before: Liuhe District of Nanjing City, Jiangsu province 210048 geguan Road No. 699 Patentee before: JIANGSU KERUI ENGINEERING DESIGN Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240411 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Country or region after: China Patentee after: SINOPEC NANJING CHEMICAL RESEARCH INSTITUTE Co.,Ltd. Address before: Liuhe District of Nanjing City, Jiangsu province 210048 geguan Road No. 699 Patentee before: SINOPEC NANJING CHEMICAL RESEARCH INSTITUTE Co.,Ltd. Country or region before: China |