CN109827067A - A kind of Large LNG bimetallic full-capacity tank - Google Patents
A kind of Large LNG bimetallic full-capacity tank Download PDFInfo
- Publication number
- CN109827067A CN109827067A CN201910083117.3A CN201910083117A CN109827067A CN 109827067 A CN109827067 A CN 109827067A CN 201910083117 A CN201910083117 A CN 201910083117A CN 109827067 A CN109827067 A CN 109827067A
- Authority
- CN
- China
- Prior art keywords
- primary tank
- anchor
- tank
- hot angle
- seat
- 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
Links
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a kind of Large LNG bimetallic full-capacity tanks, primary tank cylinder of the invention is designed using not uniform thickness, and the reinforcement of multi-turn reinforcing rib is set, top stiffener uses T-shaped structure, guarantee rigidity, prevent unstability under negative pressure condition, improves the force stability of primary tank cylinder, combined type flexible elastic layer can be used for buffering pearlife lateral pressure, guarantee that primary tank and time container interlayer annular space fill closely knit pearlife for completely cutting off the transmitting of primary tank sidewall direction cooling capacity；Using the composite structure of flat casing when anchor of the present invention is across hot angle protection bottom plate; minimize the stress that hot angle protective layer bottom plate is transmitted to by anchor; the setting of wedge groove and wedge-shaped heat-insulating plug, can reduce the heat transfer property of anchor pole, improve hot angle protective value.
Description
Technical field
The present invention relates to full appearance tank technical field, specifically a kind of Large LNG bimetallic full-capacity tank.
Background technique
LNG, i.e. liquefied natural gas have the characteristics that low temperature, volatile, inflammable, explosive.In recent years, China's Coastal Areas
LNG engineering project all shows the trend of scale, and the LNG storage tank built tends to enlargement, once leakage fire occurs, will have
It may cause the explosion of periphery storage tank and cause land used outside the factories such as residential block in region, industrial and mining enterprises, urban operating mechanism affected
" Domino effect ".Therefore, LNG storage tank is most important as its performance of main hazard source in project.
Domestic LNG industry rapidly develops, and the storage capacity of receiving station is increasing, requires the security performance of storage tank also more next
It is higher.For full-capacity tank as a kind of pot of LNG aboveground storage, opposite single appearance tank and double volume tank have higher safety coefficient and skill
Art economy.However, standard system is not perfect, and designer is to specification since China LNG Engineering Project Construction experience is insufficient
There is also uncertain places for understanding with standard.The design of current bimetallic full appearance tank is generally relatively simple, there are earthquakes
And in the case that LNG is leaked, it is easy to cause the accident, there is biggish security threat.
Therefore, those skilled in the art provide a kind of Large LNG bimetallic full-capacity tank, to solve above-mentioned background technique
The problem of middle proposition.
Summary of the invention
The purpose of the present invention is to provide a kind of Large LNG bimetallic full-capacity tanks, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme:
A kind of Large LNG bimetallic full-capacity tank, including primary tank, secondary container, foundation platform, the protection of hot angle component, anchor
It is fixedly mounted with and sets and anchor insulating assembly, wherein the primary tank, secondary container, which support, to be arranged on the foundation platform, and basis
Cushion cap is arranged on mattess using more pillar supports, to make the minimum between the foundation platform and ground high
Degree difference is 800mm；
The primary tank is self-support type, steel, open top, the single wall tank for not storing product boil-off gas, described time
Container is to have vaulted self-support type, steel, closed storage tank, time of the primary tank cylinder of the primary tank and time chamber wall
It is provided with interlayer space between shell, fills closely knit pearlife inside interlayer space, which is characterized in that
The primary tank cylinder is designed using not uniform thickness, and the reinforcement of multi-turn reinforcing rib is arranged, and top reinforcing rib uses T shape knot
Structure guarantees that rigidity prevents unstability under negative pressure condition；And
The distance for extending the primary tank cylinder body outer wall of the reinforcing rib of T-shaped structure in top is greater than adjacent thereto
The T-shaped structure being below reinforcing rib the distance for extending the primary tank cylinder body outer wall；And the T shape of the top
The end face of the reinforcing rib of structure just abuts the inner wall of the secondary shell；And
It is additionally provided between multi-turn between the external wall of upper portion of the primary tank cylinder and the upper inside wall of the secondary shell
Every the combined type flexible elastic layer of arrangement, for buffering pearlife lateral pressure；
The primary tank, secondary container bottom and the foundation platform between be additionally provided with insulation support component；
The hot angle protection component is additionally provided between the primary tank and secondary container；
The primary tank, secondary container bottom be all made of anchor anchor connection on the foundation platform, and it is described
Anchor is passed down through at the position of the hot angle protection bottom plate of the hot angle protection component and is also arranged with anchoring insulating assembly, with
Just the stress that hot angle protective layer bottom plate is transmitted to by anchor is maximally reduced.
As a further solution of the present invention: the anchor uses anchor rod, wherein the anchoring insulating assembly packet
Include flat casing, collet and heat-insulating plug, wherein the flat casing is oval structure, and the ratio between elliptical long axis and short axle
More than or equal to three, the anchor rod is located at the center of the flat casing, and the flat casing and the anchor rod it
Between filling be sealed with collet, multiple spaced apart wedge grooves, and each wedge groove are provided in the axial direction of the anchor rod
In the radially interlaced arrangement of the anchor rod；Heat-insulating plug is filled in the wedge groove, and the wedge groove is located at the anchor
The radially inner side of solid rod is wedge-shaped big end, and radial outside is wedge-shaped small end, passes through the heat-insulated of the wedge groove and wedge structure
The setting of plug, reduces the heat transfer property of the anchor rod, and guarantees anchoring property.
As a further solution of the present invention: the combined type flexible elastic layer is followed successively by cotton by primary tank outer wall outward
Cloth, elastic cotton, cotton, glass wool cloth.
As a further solution of the present invention: the hot angle protection component include hot angle protection siding, hot angle protection bottom plate,
Hot angle protection top plate, foam glass brick and connection compensation component, wherein the hot angle protection siding uses the foam glass brick
Support is connected on the inner wall of the secondary shell, and the bottom of the hot angle protection siding is also connected with hot angle protection bottom plate,
The hot angle protection top plate, and the brushing low temperature between layers of foam glass brick are provided at the top of the hot angle protection siding
Glue also fills up the glass fibre cotton after compression with a thickness of mm as binder in hot angle protection top plate, the hot angle protection bottom plate,
The bottom of hot angle protection siding and time shell is arranged in the connection compensation component, the connection compensation component with every
Heat effect and can be carried out under the stress of the temperature difference it is deformation-compensated, so as to reduce to secondary shell installation junction stress
It influences.
As a further solution of the present invention: the connection compensation component includes heat insulation pedestal, upper connection pedestal, lower connection
Pedestal, separate seat, levelling seat, concrete support seat and vertical flexible anchoring connector and horizontal flexibility anchor connector, wherein
The hot angle protection bottom plate, hot angle protect the bottom of siding, primary tank cylinder to be mounted in the heat insulation pedestal, the heat-insulated bottom
Seat is fixedly connected on the upper connection pedestal of its bottom, and separate seat is connected with lower connection bottom between the lower part use of upper connection pedestal is described
The bottom of seat, the lower connection pedestal is mounted on concrete support seat by levelling seat, the surrounding of the concrete support seat
It is fixed on insulation pedestal using horizontal flexibility anchor connector, the insulation pedestal is fixed on foundation platform, the upper company
It connects pedestal, separate seat, lower connection pedestal, be connected with vertical flexible anchoring connector between concrete support seat, pass through institute
It states vertical flexible anchoring connector and horizontal flexibility anchor connector is realized to the benefit between primary tank cylinder and secondary shell
Repay can Light deformation connection, the secondary shell using rigid holder it is fixed be anchored at foundation platform be located at the upper connection bottom
Seat, it is lower connection pedestal, separate seat outer fix at.
As a further solution of the present invention: the vertical flexible anchoring connector and horizontal flexibility anchor connector structure
It is identical, including spring support and longitudinal spring steel seat in spring support lateral out, transverse direction, wherein the end of the longitudinal spring steel seat
Portion's fixation is set in the transverse direction in spring support, and spring support is fixed in the transverse direction is set in the spring support lateral out.
As a further solution of the present invention: arranging plate at the top of the primary tank hangs top plate and passes through a plurality of stainless steel band steel
It is reliably connected with secondary container top radial girders, ten layers of glass fibre cotton, every layer of glass fibre is laid on the outstanding top plate
Cotton is with a thickness of mm.
As a further solution of the present invention: being additionally provided with levelling insulation between the bottom and foundation platform of the primary tank
It is provided with outstanding top plate at the top of layer and insulation backplane level, primary tank and secondary container, and is set at the top of the primary tank and time container
It setsShower water fire plant and dry powder extinguishing installation.
As a further solution of the present invention: primary tank bottom plate combines bearing structure with center plate using annular edge listrium,
Margin plate uses butt welding, and center plate uses overlap welding；It is laid with layer glass fibre cotton on outstanding top plate, to keep at the top of primary tank
There is good heat-insulating property in spatial dimension；Four sets of setting outstanding top ventholes on outstanding top plate, for balancing inside primary tank
It is balanced with the gaseous pressure in space on outstanding top；A set of people's row hole is also set up on outstanding top plate, is passed through for primary tank ladder outstanding
Personnel when top are current；Multi-turn reinforcing rib is arranged in outstanding top plate.
As a further solution of the present invention: the bottom plate of secondary container combines pressure-bearing knot with center plate using annular edge listrium
Structure, margin plate use butt welding, and center plate uses overlap welding；
The anchor of primary tank is root, and the anchor of secondary container is root；
Main operation platform is arranged in tank top, and the centralized configuration such as external valve, on the spot display instrument is on main platform.
Compared with prior art, the beneficial effects of the present invention are:
(1) primary tank cylinder of the invention is designed using not uniform thickness, and the reinforcement of multi-turn reinforcing rib is arranged, and top stiffener is adopted
With T-shaped structure, T-shaped structure guarantees that rigidity prevents unstability under negative pressure condition, moreover, the different T-shaped structure of development length can protect
The more preferably regular arrangement of pearlife is demonstrate,proved, even if there is the oscillation such as earthquake, what pearlife will not be excessive to primary tank cylinder is lateral
Extruding force improves the force stability of primary tank cylinder, meanwhile, combined type flexible elastic layer can be used for buffering pearlife side pressure
Power guarantees that primary tank and time container interlayer annular space fill closely knit pearlife for completely cutting off primary tank sidewall direction cooling capacity
Transmitting；
(2) using the composite structure of flat casing when anchor of the present invention is across hot angle protection bottom plate, subtract to greatest extent
The small stress that hot angle protective layer bottom plate is transmitted to by anchor, the setting of wedge groove and wedge-shaped heat-insulating plug, can reduce anchor
The heat transfer property of bar improves hot angle protective value；
(3) hot angle of the invention protection component is attached using connection compensation component, even if occurring leaking and temperature occur
Difference transformation, it may have heat-blocking action and can be carried out under the stress of the temperature difference it is deformation-compensated, to reduce to secondary shell
The stress influence of junction is installed.
(4) 10 layers of glass fibre cotton are laid on outstanding top plate of the invention, glass fibre cotton thickness in monolayer cannot be less than
100mm, within the scope of the overall thickness after the completion of being laid with is 800mm-1000mm, to keep that there is good insulation at the top of primary tank
Performance；
(5) the primary tank vertical ladder from primary tank bottom to main operation platform is arranged in storage tank of the invention, facilitate installation and
Maintenance uses.Storage tank is provided with from ground to the tower of secondary container top ladder, and personnel's passage is easy for going up and down, and can be tank top work
Skill pipeline provides support down toward lower part process duct corridor.A set of emergency evacuation escape respectively is additionally provided in secondary container simultaneously
Directly climb cage ladder.
Shower water fire plant and dry powder extinguishing installation is arranged in tank top
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of Large LNG bimetallic full-capacity tank；
Fig. 2 is a kind of arragement construction schematic diagram of the reinforcing rib of T-shaped structure in Large LNG bimetallic full-capacity tank；
Fig. 3 is a kind of structural schematic diagram of the hot angle protection component in Large LNG bimetallic full-capacity tank.
Fig. 4 is vertical flexible anchoring connector or horizontal flexibility anchor connection in a kind of Large LNG bimetallic full-capacity tank
The structural schematic diagram of part；
Fig. 5 is a kind of vertical view schematic cross-sectional view of the anchoring insulating assembly of Large LNG bimetallic full-capacity tank；
Fig. 6 is a kind of schematic diagram of main cross-sectional structure of the anchoring insulating assembly of Large LNG bimetallic full-capacity tank；
Specific embodiment
Please refer to Fig. 1~6, in the embodiment of the present invention, a kind of Large LNG bimetallic full-capacity tank, including it is primary tank 15, secondary
Container 16, foundation platform 2, hot angle protection component, anchor 11 and anchoring insulating assembly, wherein tank foundation of the invention
Using overhead type, whole equipment is located on overhead flat foundation platform, and the primary tank 15, secondary container 16 support
It is arranged on the foundation platform 2, and foundation platform 2 is arranged on mattess 1 using the more supports of pillar 3, it is desirable that high
Minimum constructive height difference between posture slab-foundation and ground is 800mm, to keep Equipment Foundations gravity-flow ventilation and good damp proof insulation
Effect；
The primary tank is self-support type, steel, open top, the single wall tank for not storing product boil-off gas, primary tank
Entirely on located bottom thermal insulation layer, the interlayer space width with secondary chamber wall is 1200mm, and interlayer space is filled closely knit
Pearlife, to keep storage tank that there is good heat-insulating property；Whole circle suspension a layer thickness is 150mm on primary tank cylinder siding
Cylinder elastic cotton, to absorb primary tank side wall pearlife during first pre-cooling, equipment rise again (storage tank safety inspection etc.)
To the lateral compression power of primary tank cylinder, the secondary container is to have vaulted self-support type, steel, closed storage tank, top
Frame structure using radial girders and circumferential beam composition band rib structure, entire vessel top cover board be laid on top frame structure it
On；Secondary container as the main boil-off gas container of storage, and supports the heat insulation layer material of primary tank under primary tank normal operating condition
Material；Under the operating condition of primary tank leakage, whole LNG of leakage can be stored, and keep the air-tightness in structure, can be arranged
Gas；Secondary shell setting multiple tracks reinforcing rib structure is reinforced, to guarantee to bear enough pressure and keep the stabilization of structure
Property；Bottom plate combines bearing structure with center plate using annular edge listrium, and margin plate uses butt welding, and center plate uses overlap welding.
Interlayer space, interlayer are provided between the primary tank cylinder 4 of the primary tank and the secondary shell 5 of secondary chamber wall
Space interior fills closely knit pearlife 6, and the primary tank cylinder 4 is arranged multi-turn reinforcing rib and reinforces, and top reinforcing rib 18 uses T
Shape structure, T-shaped structure guarantee that rigidity prevents unstability under negative pressure condition；And as shown in Fig. 2, it is in the reinforcement of the T-shaped structure of top
The distance for extending 4 outer wall of primary tank cylinder of muscle 18 is greater than the reinforcing rib of the T-shaped structure being below adjacent thereto
18 distance for extending 4 outer wall of primary tank cylinder；And the end face of the reinforcing rib 18 of the T-shaped structure of the top is just
Abut the inner wall of the secondary shell 5.
Multi-turn is additionally provided between the external wall of upper portion of the primary tank cylinder 4 and the upper inside wall of the secondary shell 5
Spaced apart combined type flexible elastic layer 17, the combined type flexible elastic layer 17 are followed successively by cotton by primary tank outer wall outward
Cloth, elastic cotton, cotton, glass wool cloth, for buffering pearlife lateral pressure, primary tank and time container interlayer annular space filling are close
Real pearlife is used to completely cut off the transmitting of primary tank sidewall direction cooling capacity；
The primary tank 15, secondary container 16 bottom and the foundation platform 2 between be additionally provided with insulation support component；
The main function of the hot angle protection of hot angle protection component is additionally provided between the primary tank 15 and secondary container 16
Be leakage LNG when primary tank leaks, in bottom space cannot directly with secondary shell bottom and the direct phase of bottom plate
Contact, also, leakage causes the temperature difference larger so that when stress occurs in time container, can weaken the influence of this rigid stress.
The primary tank 15, secondary container 16 bottom be all made of 11 anchor connection of anchor on the foundation platform 2,
And the anchor is passed down through at the position of the hot angle protection bottom plate of the hot angle protection component that be also arranged with anchoring heat-insulated
Component, to maximally reduce the stress for being transmitted to hot angle protective layer bottom plate by anchor.
In the present embodiment, the anchor uses anchor rod 33, wherein the anchoring insulating assembly includes flat set
Pipe 32, collet 34 and heat-insulating plug 35, wherein the flat casing 32 is oval structure, and the ratio between elliptical long axis and short axle
More than or equal to three, the anchor rod 33 is located at the center of the flat casing 32, and the flat casing 32 and the anchor
Filling is sealed with collet 34 between solid rod, and multiple spaced apart wedge grooves are provided in the axial direction of the anchor rod 33, and
Radially interlaced arrangement of each wedge groove in the anchor rod；Heat-insulating plug 35, and the wedge are filled in the wedge groove 35
Shape slot 35 is located at the radially inner side of the anchor rod for wedge-shaped big end, and radial outside is wedge-shaped small end, passes through the wedge groove 35
And the setting of the heat-insulating plug of wedge structure, the heat transfer property of the anchor rod is reduced, and guarantee anchoring property.The hot angle is protected
Protecting assembly includes hot angle protection siding 19, hot angle protection bottom plate 21, hot angle protection top plate, foam glass brick 20 and connection compensation group
Part, wherein the hot angle protection siding 19 is connected to the inner wall of the secondary shell 5 using the foam glass brick 20 support
On, the bottom of the hot angle protection siding 19 is also connected with hot angle protection bottom plate 21, and the top of the hot angle protection siding 19 is set
It is equipped with the hot angle protection top plate, and the low temperature glue of brushing between layers of foam glass brick 20 is as binder, hot angle protection
The glass fibre cotton after compressing with a thickness of 50mm is also filled up in top plate, 19 and of siding is protected at the hot angle protection bottom plate 21, hot angle
The bottom of secondary shell 5 is arranged in the connection compensation component, and the connection compensation component has heat-blocking action and can
Carried out under the stress of the temperature difference it is deformation-compensated, so as to reduce to secondary shell 5 installation junction stress influence.Foam glass
Glass brick one protects the plate of shell portion to provide support force for hot angle, and the two utilizes its lower thermal coefficient, prevents in master
The big angle position while welding of time shell and bottom plate is transmitted to when container leaks by secondary container siding cooling capacity, so that big angle
Weld seam bears huge thermal (temperature difference) stress；Hot angle protection bottom plate is used to contain the leakage LNG of bottom, hot angle protection bottom plate and time container
The cooling capacity transmitting that multi-layered foamed glass block is used to completely cut off lower part is laid in floor space, to guarantee that time lower vessel portion is in higher
Temperature avoids tank foundation and bears influence of the low temperature to its performance.
Specifically, the connection compensation component includes heat insulation pedestal 22, upper connection pedestal 23, lower connection pedestal such as Fig. 3-4
24, separate seat 25, levelling seat, concrete support seat 26 and vertical flexible anchoring connector 27 and horizontal flexibility anchor connector
28, wherein the hot angle protection bottom plate 21, hot angle protect the bottom of siding 19, primary tank cylinder 4 to be mounted on the heat insulation pedestal
On 22, the heat insulation pedestal 22 is fixedly connected on the upper connection pedestal 23 of its bottom, and the lower part of upper connection pedestal 23 uses institute
It states a separate seat 25 and is connected with lower connection pedestal 24, the bottom of the lower connection pedestal 24 is mounted on concrete support by levelling seat
On seat 26, the surrounding of the concrete support seat 26 is fixed on insulation pedestal using horizontal flexibility anchor connector 28, described
Insulation pedestal is fixed on foundation platform 2, the upper connection pedestal 23, separate seat 25, lower connection pedestal 24, concrete support seat
It is connected with vertical flexible anchoring connector 27 between 26, passes through the vertical flexible anchoring connector 27 and horizontal flexibility anchor
Be connected fitting 28 realize to the compensation between primary tank cylinder 4 and secondary shell 5 can Light deformation connect, the secondary shell
5 using rigid holder it is fixed be anchored at foundation platform 2 be located at the upper connection pedestal 23, lower connection pedestal 24, separate seat 25
At outer fix.
The vertical flexible anchoring connector 27 is identical with 28 structure of horizontal flexibility anchor connector, including bullet lateral out
Property seat 30, spring support 29 and longitudinal spring steel seat 31 in transverse direction, wherein the end fixation of the longitudinal spring steel seat 31 is set in
Spring support 29 is fixed in the transverse direction in spring support 29, in the transverse direction is set in the spring support 30 lateral out.
The operating condition prime design requirement to be met, storage tank primary tank, secondary container and heat are operated according to bimetallic full appearance tank
Angle protection materials select low temperature resistant austenitic stainless steel S30408, by GB24511-2009 " bearing device stainless-steel sheet
And steel band " standard requirements are supplied with solution heat-treated condition., surface processing type is 1D.Steel plate must not have layering, and surface must not
There is the defects of crackle, bubble, be mingled with, stammer.
Arranging plate 10 at the top of the primary tank hangs top plate 10 and passes through a plurality of stainless steel band steel 12 and time container top radial girders
It is reliably connected, ten layers of glass fibre cotton 7 is laid on the outstanding top plate, every layer of glass fibre cotton 7 is with a thickness of 100mm.Institute
It states and is additionally provided with levelling heat insulation layer 8 and insulation backplane level 9, primary tank and time container between the bottom of primary tank and foundation platform 2
Top be provided with outstanding top plate 13, and the top of the primary tank and time container settingShower water fire plant and dry-chemical fire extinguishing
Device.Primary tank bottom plate combines bearing structure with center plate using annular edge listrium, and margin plate uses butt welding, and center plate uses
Overlap welding；10 layers of glass fibre cotton are laid on outstanding top plate, to keep that there is good insulation within the scope of primary tank headspace
Performance；Four sets of setting outstanding top ventholes on outstanding top plate, for balancing the gaseous pressure inside primary tank with space on outstanding top
Balance；A set of people's row hole is also set up on outstanding top plate, personnel when passing through outstanding top for primary tank ladder are current；Outstanding top plate setting
Multi-turn reinforcing rib.The bottom plate of secondary container combines bearing structure with center plate using annular edge listrium, and margin plate uses butt welding, in
Former uses overlap welding；The anchor of primary tank is 56, and the anchor of secondary container is 72；Main behaviour is arranged in tank top
Make platform, the centralized configuration such as external valve, on the spot display instrument is on main platform.
For equipment cryogenic piping material selection, equipment low temperature liquid phase, gas phase pipeline are (to interface point on outstanding top plate
Within, containing hot angle protection pressure-equalizing pipe and hot angle protection interlayer space nitrogen purging inlet/outlet pipe etc.), material uses low temperature
Seamless steel pipe, material selection S30408, execution standard are GB/T14976-2012 " fluid conveying stainless-steel seamless pipe ".It is right
For the selection of equipment room temperature tube material, normal temperature pipeline uses carbon steel material, material 20#, and execution standard is GB/T8163-
2008 " seamless steel tubes for liquid service ", pipe fitting use 20# material, executions standard for GB/T12459-2005 " steel butt without
Slit-tube part ".
Primary tank, secondary lower vessel portion surrounding have been uniformly arranged anchor, and primary tank is 56, and secondary container is 72, and
It is reliably connected with the pre-buried anchor in basis, is anchored on primary tank, secondary container on tank foundation cushion cap, to prevent from setting
It is standby to generate inclination under the action of service load and external force (such as wind load, seismic (seismal) and promoted.
For bottom thermal insulation layer, the foam glass brick conduct of ZES-800 type is laid between primary tank bottom plate and secondary container floor
Bottom thermal insulation layer and the weight for bearing primary tank and medium, the big annular region of pressure-bearing immediately below primary tank barrel use pearl
Light sand reinforced concrete circle beam (reinforcing bar requires to be stainless steel) carrys out distribution load, and concrete collar tie beam lower part is high using ZES-1200 type
Density foam glass brick.
In addition, equipment of the invention is provided with more set pearlife charging ports in secondary container top, filled for pearlife.Storage
Main operation platform is arranged in tank top, and the centralized configuration such as external valve, on the spot display instrument is on main platform, safe operation side
Just.Safety relief operating platform is set in tank top leeward band range, storage tank breather valve, the outlet of nitrogen purging etc. are all set in
It releases on platform, avoids top operator contact discharge gas for a long time, improve the safe operation of tank top.Storage tank
Primary tank vertical ladder from primary tank bottom to main operation platform is set, and be easy to install and maintain use.Storage tank is provided with from ground
To the tower ladder of secondary container top, personnel's passage is easy for going up and down, and can be tank top process pipe down toward lower part technique piping lane in face
Frame provides support.A set of emergency evacuation escape respectively, which is additionally provided with, in secondary container simultaneously directly climbs cage ladder.
In addition, the invention also includes storage pressure control system, feed liquor system, pre-cooling pipeline, charging system, purging systems
System, wherein the LNG liquefied natural gas sent from liquefying plant area is sent into through PIR (polyisocyanurate foam) cold insulation pipeline
100003The storage of LNG bimetallic full appearance tank, liquefied natural gas (LNG) are sent through the built-in low temperature immersed pump pipeline of storage tank to entrucking position
Entrucking is taken out.In storage pressure control system, equipment is provided with 1 road DN100 and mends pipeline, and tonifying Qi gas source is pipe network natural gas；Top
1 road DN250BOG pipeline is arranged in portion；With each three sets of DN300 outlet valves；Mating two sets of DN300 inlet valves.
For feed liquor system, the liquefied natural gas sent from liquefying plant is sent into through DN150PIR cold insulation pipeline
10000m3The storage of LNG bimetallic full appearance tank can pass through top feed liquor pipeline or bottom liquid inlet pipeline feed liquor, bottom liquid inlet setting
Long-range control DN150 quick action emergency valve, the long-range control DN150 quick action emergency valve of top feed liquor setting, for the tight of storage tank feed liquor
Anxious long-range control.If respectively jacking liquid and the foundation of bottom liquid inlet switching are during normal operation: feed liquor material LNG similar density
When, select bottom liquid inlet；When storage tank storage LNG density is greater than feed liquor material LNG density, bottom liquid inlet is selected；When storage tank stores up
When depositing LNG density less than feed liquor material LNG density, top feed liquor is selected.
Storage tank setting is installed on setting band nozzle-type below outstanding top plate and pipeline is pre-chilled.Storage tank pre-cooling uses liquid nitrogen medium, liquid
Nitrogen pre-cooling tank car access point is located at feed liquor house steward, and setting root valve prevents pre-cooling liquid nitrogen medium from flowing to ice chest workshop section certainly.
For charging system, 2 200m are arranged in storage tank3The built-in low temperature immersed pump (the using and the reserved) of/h, immersed pump drain
Using pump plunger shaft pipe, liquid process duct of running on pump plunger shaft pipe, pipe diameter DN200, using PIR cold insulation, after 2 sets of drain pipes summarize
Long-range control quick action emergency valve is set on general pipeline.
Reflux pipeline after immersed pump pumps is set on liquid header, and pipe diameter DN100 is used for storage tank using PIR cold insulation
Liquid circulation during storage is equipped with Remote control valve on return pipe after pump.
For purge system, the Room-temperature low-pressure nitrogen that process unit area is sent be set the purging endless tube line in primary tank into
Enter primary tank, enter tank bottom aster thermosphere through bottom thermal insulation layer nitrogen purge line, enters latent liquid through immersed pump blow line
Pump sump is pumped, guarantees the air displacement in each corner of storage tank and the drying of internal insulation material.
In secondary container top setting nitrogen purging exhaust line, primary tank and hot angle protection bottom thermal insulation layer setting two all the way
Road purges exhaust pipe and ring row tracheae all the way, the discharge of displaced air when for purging is arranged in interlayer space.It is protected at hot angle
1 road nitrogen purging inlet tube is arranged in heat insulation layer between shield and secondary container floor and 2 road nitrogen purge outlet, in the space
Medium purging displacement.
In addition, in the present embodiment, in equipment instrument control parameter setting, with 10000m3(the design of LNG bimetallic full appearance tank
Pressure: 25KPa designs liquid level: 21200mm) for:
(1) container gaseous pressure
3 sets of independently operated pressure transmitters are arranged for gaseous pressure detection and 1 set shows pressure gauge on the spot.Control system connects
It collects mail and the control such as number is alarmed, is chain.
Storage pressure: 0-25KPa, analog signal；；
Pressure alarm (PAH): > 20KPa；High alarm interlocking (PAHH): the 22KPa of pressure
The low alarm of pressure interlocks (PAL): 8KPa；The low alarm of pressure interlocks (PALL): 2KPa
(2) tank level
2 sets of servo liquidometers (a wherein cuff Density Detection function) and 1 set of multi-point average thermometer is arranged in storage tank, needs
Data are transmitted in complete offer intelligent temperature selection with servo liquidometer in real time, then complete Density Detection function by communication interface unit
Energy.Carrying out filling tank when crossing high liquid level may cause liquid spilling, to ensure to fill safely tank and preventing the tank that overflows, with 1 radar level
It counts to guarantee the reliable of high liquid level and low liquid level detection information, tank speed and monitoring high limit liquid is filled with effective monitoring storage tank
Position.When detection liquid level reaches 20700mm, high liquid level warning (LAH)；When liquid level reaches 21200mm, high high liquid level warning
(LAHH), the quick action emergency valve interlocked in feed liquor pipeline system is closed, and feed liquor is stopped；It is low when detection liquid level reaches 1300mm
Liquid level warning (LAL)；Liquid level reaches 800mm, and low low liquid level warning (LSLL) interlocks the emergency cut-off in positive displacement pump pipeline system
Valve is closed, and drain is stopped.
(3) temperature display
TE176f013-22 primary tank wall temperature monitoring: -200-+50 DEG C；Digital signal
TE176f027-33 primary tank baseplate temp monitoring: -200-+50 DEG C；Digital signal
TE176f023-26 interlayer monitoring temperature: -200-+60 DEG C；Digital signal
All temperature signals uniformly summarize to tank deck explosion-proof wiring box, by owner by all temperature teletransmissions out of this junction box
Signal is sent to DCS.
In the present invention, storage tank superpressure security protection scheme is as follows:
(1) LNG storage tank BOG is discharged
When gaseous pressure rising reaches 18KPa in storage tank, low temperature pneumatic control valve is opened, and BOG pipeline is connected to gas row
It puts, BOG compressor operating, extracts storage tank BOG over-pressure gas.When pressure of storage tank is down to 15KPa, low temperature pneumatic control valve is complete
It closes.
(2) storage tank expiration scheme
Two outlet valves of configuration of storage tanks are dual-purpose one for state.When gaseous pressure reaches 24KPa, outlet valve is opened, warp
Valve rear line is emitted into atmosphere.
(3) storage tank low-voltage safety protectiving scheme
Storage tank tonifying Qi scheme: when pressure of storage tank is down to 5KPa, tonifying Qi pipeline control valve is opened to 100%, into storage tank
Portion's tonifying Qi, until storage tank completely closes after boosting to 10KPa.
The anti-negative pressure scheme of storage tank: two sets of inlet valves of configuration of storage tanks are the using and the reserved state.When storage tank gaseous pressure reaches-
When 0.3KPa, inlet valve air-breathing guarantees storage tank safety.
(4) Requirements of Nondestructive Testing: storage tank primary tank, secondary container direct tube section butt welded joint must do 100% ray
Flaw detection, transillumination quality are not less than AB grades, and meeting NB/T47013.2-2015, " pressure-bearing sets each non-destructive testing part 2: ray inspection
Survey " provide that II grades are qualified.Bottom plate, top cover lap weld, the protection butt weld of hot angle are both needed to do 100%PT detection, meet NB/
The qualified hot angle protection weld seam of T47013.5-2015 " pressure-bearing sets each the 5th part of non-destructive testing: Liquid penetrant testing " regulation grade, bottom plate are taken
Using the progress leak test of vacuum leakage test method, vacuum tank negative pressure is not less than for welding seam and cylinder and bottom plate corner connection welding point
55KPa, welding point must not leak.Storage tank time container butt welded joint is executed referring to GB26978-2011.Bottom plate overlap welding
Using the progress leak test of vacuum leakage test method, vacuum tank negative pressure is not less than 55KPa for seam and cylinder and bottom plate corner connection welding point,
Welding point must not leak.
(5) pipeline testing requirements: all butt welded joints do 100% radiographic inspection and meet NB/T47013,2-2015
" bearing device non-destructive testing part 2: ray detection " provides that II grades are qualified.Fillet welding joint press NB/T47013,52015
" the 5th part of bearing device non-destructive testing: Liquid penetrant testing " 100%PT flaw detection, I grades are qualification
(6) pressure testing primary tank strength test: 12720mmH2O+31.25kPa holds pressure 1h ne-leakage, deformation without exception；
Secondary container air-tightness test: 25kPa holds pressure 24 ne-leakages, deformation without exception.
It is above-described, it is merely preferred embodiments of the present invention, but protection scope of the present invention is not limited to
This, anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention
And its inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of Large LNG bimetallic full-capacity tank, including primary tank (15), secondary container (16), foundation platform (2), hot angle guarantor
Protecting assembly, anchor (11) and anchoring insulating assembly, wherein the primary tank (15), secondary container (16) support setting to exist
On the foundation platform (2), and foundation platform (2) is arranged on mattess (1) using more pillar (3) supports, so as to
So that the minimum constructive height difference between the foundation platform (2) and ground is 800mm；
The primary tank is self-support type, steel, open top, the single wall tank for not storing product boil-off gas, the secondary container
To have vaulted self-support type, steel, closed storage tank, time of the primary tank cylinder (4) of the primary tank and time chamber wall
It is provided with interlayer space between shell (5), fills closely knit pearlife (6) inside interlayer space, which is characterized in that
The primary tank cylinder (4) is designed using not uniform thickness, and the reinforcement of multi-turn reinforcing rib is arranged, and top reinforcing rib (18) uses T
Shape structure guarantees that rigidity prevents unstability under negative pressure condition；And
The distance for extending primary tank cylinder (4) outer wall of the reinforcing rib (18) of T-shaped structure in top is greater than therewith
The distance for extending primary tank cylinder (4) outer wall of the reinforcing rib (18) of the adjacent T-shaped structure being below；And it is most upper
The end face of the reinforcing rib (18) of the T-shaped structure of side just abuts the inner wall of the secondary shell (5)；And
Multi-turn is additionally provided between the external wall of upper portion of the primary tank cylinder (4) and the upper inside wall of the secondary shell (5)
Spaced apart combined type flexible elastic layer (17), for buffering pearlife lateral pressure；
The primary tank (15), secondary container (16) bottom and the foundation platform (2) between be additionally provided with insulation support component；
The hot angle protection component is additionally provided between the primary tank (15) and time container (16)；
The primary tank (15), secondary container (16) bottom be all made of anchor (11) anchor connection in the foundation platform
(2) on, and the anchor is passed down through at the position of the hot angle protection bottom plate of the hot angle protection component and is also arranged with anchor
Gu insulating assembly, to maximally reduce the stress for being transmitted to hot angle protective layer bottom plate by anchor.
2. a kind of Large LNG bimetallic full-capacity tank according to claim 1, which is characterized in that the anchor is adopted
With anchor rod (33), wherein the anchoring insulating assembly includes flat casing (32), collet (34) and heat-insulating plug (35),
In, the flat casing (32) is oval structure, and the ratio between elliptical long axis and short axle are more than or equal to three, the anchor rod (33)
Positioned at the center of the flat casing (32), and between the flat casing (32) and the anchor rod filling be sealed with every
Hot jacket (34) is provided with multiple spaced apart wedge grooves in the axial direction of the anchor rod (33), and each wedge groove is described
The radially interlaced arrangement of anchor rod；Heat-insulating plug (35) are filled in the wedge groove (35), and the wedge groove (35) is located at
The radially inner side of the anchor rod is wedge-shaped big end, and radial outside is wedge-shaped small end, passes through the wedge groove (35) and wedge shape
The setting of the heat-insulating plug of structure, reduces the heat transfer property of the anchor rod, and guarantees anchoring property.
3. a kind of Large LNG bimetallic full-capacity tank according to claim 1, which is characterized in that the combined type flexible
Elastic layer (17) is followed successively by cotton, elastic cotton, cotton, glass wool cloth by primary tank outer wall outward.
4. a kind of Large LNG bimetallic full-capacity tank according to claim 1, which is characterized in that the hot angle protection group
Part includes hot angle protection siding (19), hot angle protection bottom plate (21), hot angle protection top plate, foam glass brick (20) and connection compensation
Component, wherein hot angle protection siding (19) is connected to the secondary shell using the foam glass brick (20) support
(5) on inner wall, the bottom of hot angle protection siding (19) is also connected with hot angle protection bottom plate (21), the hot angle protective bulkhead
The hot angle protection top plate, and the low temperature glue conduct of brushing between layers of foam glass brick (20) are provided at the top of plate (19)
Binder, also fills up the glass fibre cotton after compression with a thickness of 50mm in hot angle protection top plate, hot angle protection bottom plate (21),
The bottom of hot angle protection siding (19) and time shell (5) is arranged in the connection compensation component, the connection compensation group
Part have heat-blocking action and can be carried out under the stress of the temperature difference it is deformation-compensated, to reduce the installation to secondary shell (5)
The stress influence of junction.
5. a kind of Large LNG bimetallic full-capacity tank according to claim 4, which is characterized in that the connection compensation group
Part includes heat insulation pedestal (22), upper connection pedestal (23), lower connection pedestal (24), separate seat (25), levelling seat, concrete support
Seat (26) and vertical flexible anchoring connector (27) and horizontal flexibility anchor connector (28), wherein protect bottom plate in the hot angle
(21), hot angle protects the bottom of siding (19), primary tank cylinder (4) to be mounted on the heat insulation pedestal (22), the heat-insulated bottom
Seat (22) is fixedly connected on the upper connection pedestal (23) of its bottom, separate seat between the lower part use of upper connection pedestal (23) is described
(25) it is connected with lower connection pedestal (24), the bottom of lower connection pedestal (24) is mounted on concrete support seat by levelling seat
(26) on, the surrounding of the concrete support seat (26) is fixed on insulation pedestal using horizontal flexibility anchor connector (28),
The insulation pedestal is fixed on foundation platform (2), the upper connection pedestal (23), separate seat (25), lower connection pedestal (24),
It is connected with vertical flexible anchoring connector (27) between concrete support seat (26), is connected by the vertical flexible anchoring
Part (27) and horizontal flexibility anchor connector (28) are realized can to the compensation between primary tank cylinder (4) and time shell (5)
Light deformation connection, the secondary shell (5) using rigid holder it is fixed be anchored at foundation platform (2) be located at the upper connection bottom
Seat (23), it is lower connection pedestal (24), separate seat (25) outer fix at.
6. a kind of Large LNG bimetallic full-capacity tank according to claim 5, which is characterized in that the vertical flexible anchor
Connected fitting (27) are identical with horizontal flexibility anchor connector (28) structure, including bullet in spring support (30) lateral out, transverse direction
Property seat (29) and longitudinal spring steel seat (31), wherein the end fixation of the longitudinal spring steel seat (31) is set in the transverse direction
Spring support (29) is fixed in interior spring support (29), in the transverse direction is set in the spring support (30) lateral out.
7. a kind of Large LNG bimetallic full-capacity tank according to claim 6, which is characterized in that at the top of the primary tank
Arranging plate (10), outstanding top plate (10) are reliably connected by a plurality of stainless steel band steel (12) and time container top radial girders, described outstanding
Ten layers of glass fibre cotton (7) are laid on top plate, every layer of glass fibre cotton (7) is with a thickness of 100mm.
8. a kind of Large LNG bimetallic full-capacity tank according to claim 7, which is characterized in that the bottom of the primary tank
Levelling heat insulation layer (8) and insulation backplane level (9), the top of primary tank and time container are additionally provided between portion and foundation platform (2)
It is provided with outstanding top plate (13), and the setting of the top of the primary tank and time containerShower water fire plant and dry-chemical fire extinguishing dress
It sets.
9. a kind of Large LNG bimetallic full-capacity tank according to claim 7, which is characterized in that primary tank bottom plate uses
Annular edge listrium combines bearing structure with center plate, and margin plate uses butt welding, and center plate uses overlap welding；The upper berth of outstanding top plate
If 10 layers of glass fibre cotton, to keep that there is good heat-insulating property within the scope of primary tank headspace；It is arranged on outstanding top plate
Four sets of outstanding top ventholes are balanced for balancing the gaseous pressure inside primary tank with space on outstanding top；It is also set on outstanding top plate
A set of people's row hole is set, personnel when passing through outstanding top for primary tank ladder are current；Multi-turn reinforcing rib is arranged in outstanding top plate.
10. a kind of Large LNG bimetallic full-capacity tank according to claim 7, which is characterized in that the bottom plate of secondary container is adopted
Bearing structure is combined with center plate with annular edge listrium, margin plate uses butt welding, and center plate uses overlap welding；
The anchor of primary tank is 56, and the anchor of secondary container is 72；
Main operation platform is arranged in tank top, and the centralized configuration such as external valve, on the spot display instrument is on main platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910083117.3A CN109827067B (en) | 2019-01-28 | 2019-01-28 | Large-scale bimetal full-capacity LNG storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910083117.3A CN109827067B (en) | 2019-01-28 | 2019-01-28 | Large-scale bimetal full-capacity LNG storage tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109827067A true CN109827067A (en) | 2019-05-31 |
| CN109827067B CN109827067B (en) | 2020-08-21 |
Family
ID=66862684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910083117.3A Active CN109827067B (en) | 2019-01-28 | 2019-01-28 | Large-scale bimetal full-capacity LNG storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109827067B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460470A (en) * | 2019-09-09 | 2021-03-09 | 张家港中集圣达因低温装备有限公司 | Vertical low-temperature storage tank |
| CN113198891A (en) * | 2021-05-28 | 2021-08-03 | 中山精达特克机械有限公司 | Pipe bending machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5455548A (en) * | 1994-02-28 | 1995-10-03 | General Signal Corporation | Broadband rigid coaxial transmission line |
| CN104695438A (en) * | 2015-03-09 | 2015-06-10 | 淮安信息职业技术学院 | Ground anchor pull rod structure and machining method thereof |
| US9140001B1 (en) * | 2014-06-24 | 2015-09-22 | Columbia Insurance Company | Thermal wall anchor |
| CN205101860U (en) * | 2015-11-03 | 2016-03-23 | 张家港中集圣达因低温装备有限公司 | Metal contains storage tank entirely with protection of hot angle |
| CN106641692A (en) * | 2015-11-03 | 2017-05-10 | 张家港中集圣达因低温装备有限公司 | Metal full-volume storage tank with secondary container protecting layer |
| US20170342707A1 (en) * | 2015-12-04 | 2017-11-30 | Columbia Insurance Company | Thermal wall anchor |
| CN207112349U (en) * | 2017-08-29 | 2018-03-16 | 张家港中集圣达因低温装备有限公司 | low-temperature storage tank |
-
2019
- 2019-01-28 CN CN201910083117.3A patent/CN109827067B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5455548A (en) * | 1994-02-28 | 1995-10-03 | General Signal Corporation | Broadband rigid coaxial transmission line |
| US9140001B1 (en) * | 2014-06-24 | 2015-09-22 | Columbia Insurance Company | Thermal wall anchor |
| CN104695438A (en) * | 2015-03-09 | 2015-06-10 | 淮安信息职业技术学院 | Ground anchor pull rod structure and machining method thereof |
| CN205101860U (en) * | 2015-11-03 | 2016-03-23 | 张家港中集圣达因低温装备有限公司 | Metal contains storage tank entirely with protection of hot angle |
| CN106641692A (en) * | 2015-11-03 | 2017-05-10 | 张家港中集圣达因低温装备有限公司 | Metal full-volume storage tank with secondary container protecting layer |
| US20170342707A1 (en) * | 2015-12-04 | 2017-11-30 | Columbia Insurance Company | Thermal wall anchor |
| CN207112349U (en) * | 2017-08-29 | 2018-03-16 | 张家港中集圣达因低温装备有限公司 | low-temperature storage tank |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460470A (en) * | 2019-09-09 | 2021-03-09 | 张家港中集圣达因低温装备有限公司 | Vertical low-temperature storage tank |
| CN112460470B (en) * | 2019-09-09 | 2024-05-14 | 张家港中集圣达因低温装备有限公司 | Vertical low-temperature storage tank |
| CN113198891A (en) * | 2021-05-28 | 2021-08-03 | 中山精达特克机械有限公司 | Pipe bending machine |
| CN113198891B (en) * | 2021-05-28 | 2024-05-28 | 中山精达特克机械有限公司 | Pipe bending machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109827067B (en) | 2020-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103162085B (en) | Self-supporting type LNG (Liquefied Natural Gas) storage tank | |
| CN203240268U (en) | Self-support type LNG (Liquefied Natural Gas) storage tank | |
| US20120132656A1 (en) | Device for storing gas under pressure | |
| Yang et al. | Development of the world’s largest above-ground full containment LNG storage tank | |
| CN108061242A (en) | A kind of air hermetic whole concrete LNG full-capacity tanks | |
| CN202171122U (en) | Double-curvature steel inner tank body and cold insulation structure of large LNG storage tank | |
| CN109827067A (en) | A kind of Large LNG bimetallic full-capacity tank | |
| CN107401677A (en) | Pressure of Ambient Temperature stores the earthing formula tank system of Liquefied Hydrocarbon | |
| CN109780416A (en) | High-vacuum insulation Double-layer Spherical | |
| JPS6247277B2 (en) | ||
| US4151689A (en) | Nuclear engineering installation | |
| CN211544655U (en) | Low-temperature storage device | |
| CN212268413U (en) | Hot angle protection structure of low-temperature full-capacity storage tank | |
| CN204387672U (en) | Bimetal wall is appearance type low-temperature storage tank hot angle operator guards entirely | |
| CN207471114U (en) | High-vacuum insulation Double-layer Spherical | |
| CN214535659U (en) | Concrete full-capacity tank | |
| CN205991324U (en) | Three-layer metal wall contains storage tank entirely | |
| CN213900703U (en) | Liquid nitrogen storage tank | |
| CN107795845A (en) | Three-layer metal wall contains storage tank entirely | |
| CN112963724A (en) | Concrete full-capacity tank | |
| CN114278859A (en) | Vertical film type low-temperature normal-pressure liquid hydrogen storage tank | |
| CN106641692A (en) | Metal full-volume storage tank with secondary container protecting layer | |
| CN206545778U (en) | A kind of three wall metal atmospheric storage tanks stored for LNG | |
| CN217763032U (en) | Full-capacity tank for liquefied gas refrigeration | |
| CN108302320B (en) | Low-temp. liquefied gas metal full-containing tank |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220620 Address after: 473300 south section of Jingyi Road, industrial cluster area, Sheqi County, Nanyang City, Henan Province Patentee after: NANYANG DOER GAS EQUIPMENT CO.,LTD. Address before: 215100 No.398 Yuhang Road, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: SUZHOU DOER GASEOUS CHEMICAL EQUIPMENT CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220826 Address after: 215100 No.398 Yuhang Road, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: SUZHOU DOER GASEOUS CHEMICAL EQUIPMENT CO.,LTD. Address before: 473300 south section of Jingyi Road, industrial cluster area, Sheqi County, Nanyang City, Henan Province Patentee before: NANYANG DOER GAS EQUIPMENT CO.,LTD. |