CN106423028B - A kind of center can match the graphite heat exchange block of mixing paddle axle - Google Patents
A kind of center can match the graphite heat exchange block of mixing paddle axle Download PDFInfo
- Publication number
- CN106423028B CN106423028B CN201611086323.2A CN201611086323A CN106423028B CN 106423028 B CN106423028 B CN 106423028B CN 201611086323 A CN201611086323 A CN 201611086323A CN 106423028 B CN106423028 B CN 106423028B
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- Prior art keywords
- hole
- transverse holes
- heat transfer
- flow channels
- central
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/02—Constructions of heat-exchange apparatus characterised by the selection of particular materials of carbon, e.g. graphite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0022—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for chemical reactors
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The invention discloses the graphite heat exchange blocks that a kind of center can match mixing paddle axle, central through hole is offered on heat transfer block, transverse holes, longitudinal hole and flow channels are also provided on heat transfer block, wherein, longitudinal hole is opened up through heat transfer block, transverse holes are vertical with the axis of heat transfer block, and longitudinal hole and central through hole are parallel with heat transfer block axis, and transverse holes and longitudinal hole are not communicated with.Transverse holes include that transverse holes include the first transverse holes and the second transverse holes, and the first transverse holes are located at the two sides of the second transverse holes, and the second transverse holes are located at the opposite two sides of central through hole, and the second transverse holes positioned at central through hole two sides are connected to by flow channels.In a kettle by heat transfer block installation, agitating shaft is arranged across central through hole, transverse holes are as cooling water hole, longitudinal hole is as material hole, the cooling water for flowing through the second transverse holes does not flow into central through hole, but flowed out again by the second transverse holes that flow channels are flowed into opposite side, it does not cause cooling water short-circuit, improves heat transfer effect and stock utilization.
Description
Technical field
The invention belongs to graphite equipment technical field, specifically a kind of center can exchange heat with the graphite of mixing paddle axle
Block.
Background technique
Traditional YKD type heat transfer block center does not open up through-hole, it is impossible to be used in the reaction kettle with stirring, because of agitating shaft
Heat transfer block can not be passed through.Though and YKA type center is provided with through-hole, for circulate cooling water or water vapour, can not be installed on anti-
It answers in kettle.
Summary of the invention
The purpose of the present invention is to provide the graphite heat exchange blocks that a kind of center can match mixing paddle axle, so that its center is mountable
Agitating shaft, so as in the reaction kettle with stirring.
In order to solve the above-mentioned technical problem, the invention is realized by the following technical scheme:
A kind of graphite heat exchange block, the axle center of heat transfer block offer central through hole, transverse holes, longitudinal direction are also provided on heat transfer block
Hole and flow channels, wherein longitudinal hole parallel heat exchange block axis is opened up through heat transfer block, the axis and heat transfer block axis of transverse holes
Vertically, transverse holes and longitudinal hole are not communicated with, and longitudinal hole is parallel with central passage, transverse holes, longitudinal hole and flow channels and center
Through-hole is not communicated with；
The transverse holes include the first transverse holes and the second transverse holes, and the first transverse holes are opened up through heat transfer block, and first is horizontal
It is not communicated with to hole and flow channels, the first transverse holes are located at the two sides of the second transverse holes, and the second transverse holes are located at central through hole phase
Pair two sides, the second transverse holes will be connected on the outside of heat transfer block with flow channels, and the second transverse holes positioned at central through hole two sides are led to
Cross flow channels connection.The flow channels are located at the periphery of central through hole, at circular ring shape.
In a kettle by heat transfer block installation, mixing paddle axle is arranged across central through hole, and transverse holes are as heat transferring medium
Hole, heat transferring medium are cooling water or water vapour, and for longitudinal hole as material hole, the heat transferring medium for flowing through the second transverse holes does not flow into center
Through-hole, but flowed out again by the second transverse holes that flow channels are flowed into opposite side, improve heat transfer effect and stock utilization.
It is further improved, opens up on the heat transfer block fluted, groove upper cover is equipped with the end cap for sealed groove, groove
The channel formed between end cap is flow channels.By the way that end cap is arranged, prevent material from entering in flow channels, while preventing from exchanging heat
Medium enters in reaction kettle.
It is further improved, the groove is the annular groove around central through hole setting, i.e. flow channels are circular passage.
It being further improved, the groove includes two arc grooves, and two arc grooves are located at the opposite two sides of central through hole, and
Two arc grooves are not communicated with, i.e., flow channels are two curved channels.
It is further improved, the groove is C-channel, and C-shaped groove is arranged around central through hole, i.e., flow channels are logical for C-shaped
Road.
It is further improved, further includes grooving component, the grooving component includes annular slab and tubular element, tubular element and annular
Plate is vertically coaxially disposed, and tubular element is sealing adhesive with annular slab, and the longitudinal cross-section of grooving component is ∏ shape；The heat transfer block
Center offers stepped hole, and stepped hole is opened up through heat transfer block, and grooving component is arranged in stepped hole, the lower end of tubular element and rank
The step surface in terraced hole is sealing adhesive, and the edge seal bonding of annular slab and stepped hole is formed between grooving component and stepped hole
Channel is flow channels, and the centre bore that tubular element is constituted is center through-hole.Relative to directly opening up deep groove on heat transfer block,
Open up stepped hole and processing grooving structure be easier to operate to, processing technology it is simple.
It is further improved, further includes grooving component, the tubular element and annular slab are integrally formed.
It is further improved, further includes grooving component, tubular element molding seperated with annular slab.
It is further improved, a partition is set on the outer wall of the tubular element, partition separates flow channels, makes circulation
Road is C-shaped.
Be further improved, be oppositely arranged on the outer wall of the tubular element there are two partition, two partitions by flow channels every
It opens as two curved channels.
Compared with prior art, the beneficial effects of the present invention are:
In use, transverse holes flow through the heat transferring medium of the second transverse holes as material hole as heat transferring medium hole, longitudinal hole
Central through hole is not flowed into, but is flowed out again by the second transverse holes that flow channels are flowed into opposite side, does not cause heat transferring medium disconnected
Road improves heat transfer effect and stock utilization.
Detailed description of the invention
Fig. 1 is that a kind of center of the present invention can be with the structural schematic diagram of the graphite heat exchange block of mixing paddle axle.
Fig. 2 is the C-C cross-sectional view of Fig. 1.
Fig. 3 is the portion the A enlarged view of Fig. 2.
Fig. 4 is the portion the B enlarged view of Fig. 1.
Fig. 5 is the structural schematic diagram of embodiment two.
Fig. 6 is the structural schematic diagram of embodiment three.
Fig. 7 is the structural schematic diagram of example IV.
Fig. 8 is the structural schematic diagram of grooving component.
Fig. 9 is the portion the A enlarged view of embodiment five.
Figure 10 is the structural schematic diagram of the grooving component of embodiment five.
Figure 11 is the structural schematic diagram of sixty percent slot component of embodiment.
Figure 12 is the portion the B enlarged view of embodiment six.
Figure 13 is the structural schematic diagram of seventy percent slot component of embodiment.
Figure 14 is the portion the B enlarged view of embodiment seven.
Specific embodiment
To keep the purpose of the present invention and technical solution clearer, below with reference to embodiment to technical solution of the present invention into
Row clearly and completely describes.Heat transferring medium is cooling water or water vapour in the present invention.
Embodiment one:
As shown in Figs 1-4, a kind of center can match the graphite heat exchange block of mixing paddle axle, and it is logical that the center of heat transfer block offers center
Hole 1 is also provided with transverse holes, longitudinal hole 2 and flow channels 3 on heat transfer block, wherein longitudinal hole 2 is opened up through heat transfer block, laterally
The axis in hole is vertical with the axis of annular through-hole 1, and the axis of longitudinal hole 2 and the axis of heat transfer block are parallel, transverse holes and longitudinal hole
It is not communicated with, longitudinal hole 2 and flow channels 3 are not communicated with, and transverse holes, longitudinal hole 2 and flow channels 3 and central through hole 1 are not communicated with；
The transverse holes include that the first transverse holes 5 and the second transverse holes 4, the first transverse holes are opened up through heat transfer block, and first
Transverse holes 5 and flow channels 3 are not communicated with, and the first transverse holes 5 are located at the two sides of the second transverse holes 4, and the second transverse holes 4 are located at center
The opposite two sides of through-hole 1, the second transverse holes 4 will be connected on the outside of heat transfer block with flow channels 3, and make to be located at 1 two sides of central through hole
The second transverse holes 4 be connected to by flow channels 3.
In the present embodiment, heat transfer block is cylindrical, and central through hole 1 is circular hole, open up on the heat transfer block it is fluted, it is recessed
Groove upper cap is equipped with the end cap 6 for sealed groove, and the channel formed between groove and end cap 6 is center channel 3.By the way that end is arranged
Lid 6 prevents material from entering in flow channels 3, while preventing cooling water from entering in reaction kettle, and the end cap 6 is ring-shaped graphite plate.End
Lid 6 and heat transfer block and between by phenolic resin bonded.
In the present embodiment, the groove is the annular groove being arranged around central through hole 1, as shown in Figure 2,3, 4.
In a kettle by heat transfer block installation, agitating shaft is arranged across central through hole, and transverse holes are indulged as cooling water hole
To hole 2 as material hole, the cooling water for flowing through the second transverse holes 4 does not flow into central through hole 1, but is flowed by flow channels 3
Second transverse holes 4 of opposite side flow out again, do not cause cooling water breaking, improve heat transfer effect and stock utilization.Arrow in figure
Indicate the direction of flow of cooling water.
Embodiment two:
As shown in figure 5, in the present embodiment, the groove includes two arc grooves, two arc grooves are located at central through hole 1
Opposite two sides, two channels formed between arc groove and end cap are flow channels 3, and two arc grooves are not communicated with, prevent
Cold water intaking convection current, influences cooling effect.Other parts are the same as example 1.
Embodiment three:
As shown in fig. 6, in the present embodiment, the groove is C-channel, C-shaped groove is arranged around central through hole 1, C-channel
The channel formed between end cap is flow channels 3, and other parts are the same as example 1.
Example IV:
As shown in Figure 7,8, a kind of graphite heat exchange block, main structure are the same as example 1, only central through hole
Formation with flow channels is slightly different.
It in the present embodiment, further include grooving component, the grooving component includes annular slab 8 and tubular element 7, tubular element 7
Coaxial arrangement vertical with annular slab 8, tubular element 7 and annular slab 8 are tightly connected, and the longitudinal cross-section of grooving component is ∏ shape；It is described
The center of heat transfer block blank offers stepped hole, and stepped hole is opened up through heat transfer block, and grooving component is arranged in stepped hole, tubular
The lower end of part and the step surface of stepped hole are sealing adhesive, and the edge seal of annular slab 8 and stepped hole bonds, grooving component and ladder
The channel formed between hole is flow channels 3, and the centre bore of tubular element 7 is center through-hole 1.It is recessed relative to being opened up on heat transfer block
Slot opens up stepped hole and is easier to process.In the present embodiment, heat transfer block is cylindrical, and central through hole 1 is circular hole,
In the present embodiment, the molding seperated with annular slab 8 of tubular element 7 in grooving component, the grooving component is graphite
Material, grooving component and heat transfer block and between by phenolic resin bonded.
In a kettle by heat transfer block installation, agitating shaft passes through the setting of central through hole 1, transverse holes as cooling water hole,
For longitudinal hole 2 as material hole, the cooling water for flowing through the second transverse holes 4 does not flow into central through hole 1, but is flowed by flow channels 3
The second transverse holes 4 to opposite side flow out again, do not cause cooling water breaking, improve heat transfer effect and stock utilization.Arrow in figure
Head indicates the direction of flow of cooling water.
Embodiment five:
As shown in Figures 9 and 10, in the present embodiment, the lower end of tubular element is provided with protrusion 9, the rank of the stepped hole of heat transfer block
Slot is offered on tread, grooving component is arranged in stepped hole, and protrusion 9 is inserted into slot, guarantees that tubular element 7 and heat transfer block are solid
Fixed connection, prevents from relatively moving therebetween.Other parts are identical as example IV.
Embodiment six:
As shown in Figure 11,12, in the present embodiment, tubular element 7 and annular slab 8 are integrally formed.
In the present embodiment, a partition 10 is set on the outer wall of the tubular element 7, partition 10 separates flow channels 3,
Keep flow channels 3 C-shaped.Other parts are identical as example IV.
Embodiment seven:
As shown in Figure 13,14, in the present embodiment, it is oppositely arranged on the outer wall of the tubular element 7 there are two partition 10, two
A partition separates flow channels 3 for two curved channels.Other parts such as example IV is identical.
Do not done in the present invention illustrate be the prior art or can be realized by the prior art, and the present invention
Described in specific implementation case be only preferable case study on implementation of the invention, practical range not for the purpose of limiting the invention.
Equivalent changes and modifications made by i.e. all contents according to scope of the present invention patent all should be used as technology scope of the invention.
Claims (10)
1. the graphite heat exchange block that a kind of center can match mixing paddle axle, which is characterized in that the center of heat transfer block offers central through hole,
Transverse holes, longitudinal hole and flow channels are also provided on heat transfer block, wherein longitudinal hole is opened up through heat transfer block, the axis of transverse holes
Line is vertical with the axis of heat transfer block, and the axis of longitudinal hole and the axis of central through hole are parallel with heat transfer block axis, transverse holes and vertical
It is not communicated with to hole, longitudinal hole and flow channels are not communicated with, and transverse holes, longitudinal hole and flow channels and central through hole are not communicated with；
The transverse holes include the first transverse holes and the second transverse holes, and the first transverse holes are opened up through heat transfer block, the first transverse holes
It is not communicated with flow channels, the first transverse holes are located at the two sides of the second transverse holes, and it is opposite that the second transverse holes are located at central through hole
Two sides, the second transverse holes are pierced by the side wall of heat transfer block far from one end of central through hole, and second positioned at central through hole two sides is lateral
Hole is connected to by flow channels.
2. the graphite heat exchange block that center according to claim 1 can match mixing paddle axle, which is characterized in that the heat transfer block
On open up it is fluted, groove upper cover be equipped with for sealed groove end cap, the channel formed between groove and end cap be circulate
Road.
3. the graphite heat exchange block that center according to claim 2 can match mixing paddle axle, which is characterized in that the groove is
Around the annular groove of central through hole setting, i.e. flow channels are circular passage.
4. the graphite heat exchange block that center according to claim 2 can match mixing paddle axle, which is characterized in that the groove packet
Two arc grooves are included, two arc grooves are located at the opposite two sides of central through hole, and two arc grooves are not communicated with, i.e., flow channels are
Two curved channels.
5. the graphite heat exchange block that center according to claim 2 can match mixing paddle axle, which is characterized in that the groove is
C-channel, C-shaped groove are arranged around central through hole, i.e., flow channels are C-shaped channel.
6. the graphite heat exchange block that center according to claim 1 can match mixing paddle axle, which is characterized in that further include grooving
Component, the grooving component include annular slab and tubular element, and tubular element is vertical with annular slab to be coaxially disposed, and the upper end of tubular element
Face is sealing adhesive with annular slab inner port edge, and the longitudinal cross-section of grooving component is ∏ shape；
The center of the heat transfer block offers stepped hole, and stepped hole is opened up through heat transfer block, and grooving component is arranged in stepped hole,
Grooving component is made of tubular element and annular slab, and the lower end of tubular element and the step surface of stepped hole are sealing adhesive, annular slab and rank
The edge seal in terraced hole bonds, and the channel formed between grooving component and stepped hole is flow channels, tubular element and stepped hole structure
At centre bore be center through-hole.
7. the graphite heat exchange block that center according to claim 6 can match mixing paddle axle, which is characterized in that the tubular element
It is integrally formed with annular slab.
8. the graphite heat exchange block that center according to claim 6 can match mixing paddle axle, which is characterized in that the tubular element
Molding seperated with annular slab.
9. the graphite heat exchange block that the center according to claim 7 or 8 can match mixing paddle axle, which is characterized in that the cylinder
One partition is set on shape part, and partition separates flow channels, keeps flow channels C-shaped.
10. the graphite heat exchange block that the center according to claim 7 or 8 can match mixing paddle axle, which is characterized in that the cylinder
It is oppositely arranged on shape part there are two partition, two partitions separate flow channels for two curved channels.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611086323.2A CN106423028B (en) | 2016-11-30 | 2016-11-30 | A kind of center can match the graphite heat exchange block of mixing paddle axle |
| PCT/CN2016/110255 WO2018098855A1 (en) | 2016-11-30 | 2016-12-16 | Graphite heat exchange block providable with central stirring paddle shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611086323.2A CN106423028B (en) | 2016-11-30 | 2016-11-30 | A kind of center can match the graphite heat exchange block of mixing paddle axle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106423028A CN106423028A (en) | 2017-02-22 |
| CN106423028B true CN106423028B (en) | 2019-01-18 |
Family
ID=58224117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611086323.2A Active CN106423028B (en) | 2016-11-30 | 2016-11-30 | A kind of center can match the graphite heat exchange block of mixing paddle axle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106423028B (en) |
| WO (1) | WO2018098855A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107892274A (en) * | 2017-11-30 | 2018-04-10 | 南通星球石墨设备有限公司 | One kind synthesis furnace hearth plate runner improves system |
| CN112815764B (en) * | 2021-01-18 | 2021-12-28 | 南通山剑防腐科技有限公司 | Efficient block-hole type graphite heat exchanger |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2624163Y (en) * | 2003-05-18 | 2004-07-07 | 南通华耐特化工设备有限公司 | Three flow passage graphite heat exchange block |
| CN203810970U (en) * | 2013-12-20 | 2014-09-03 | 贵州远盛钾业科技有限公司 | Glass fiber reinforced plastics heat exchanger |
| CN206240480U (en) * | 2016-11-30 | 2017-06-13 | 南通山剑石墨设备有限公司 | A kind of center can match somebody with somebody the graphite heat exchange block of agitating paddle axle |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9874412B2 (en) * | 2015-02-08 | 2018-01-23 | Ronald Keith Cummins | Reinforced cross drilled block |
| CN206424934U (en) * | 2016-11-30 | 2017-08-22 | 南通山剑石墨设备有限公司 | There is the graphite reactor that heat transfer block conducts heat in a kind of kettle |
| CN106512900B (en) * | 2016-11-30 | 2019-01-15 | 南通山剑石墨设备有限公司 | A kind of graphite reaction kettle for thering is heat transfer block to conduct heat in kettle |
-
2016
- 2016-11-30 CN CN201611086323.2A patent/CN106423028B/en active Active
- 2016-12-16 WO PCT/CN2016/110255 patent/WO2018098855A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2624163Y (en) * | 2003-05-18 | 2004-07-07 | 南通华耐特化工设备有限公司 | Three flow passage graphite heat exchange block |
| CN203810970U (en) * | 2013-12-20 | 2014-09-03 | 贵州远盛钾业科技有限公司 | Glass fiber reinforced plastics heat exchanger |
| CN206240480U (en) * | 2016-11-30 | 2017-06-13 | 南通山剑石墨设备有限公司 | A kind of center can match somebody with somebody the graphite heat exchange block of agitating paddle axle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018098855A1 (en) | 2018-06-07 |
| CN106423028A (en) | 2017-02-22 |
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Effective date of registration: 20230322 Address after: 226000 No.80 Yuwan Middle Road, Shigang Town, Tongzhou District, Nantong City, Jiangsu Province Patentee after: NANTONG SHANJIAN ANTICORROSIVE TECHNOLOGY CO.,LTD. Address before: No. 815, Chenggang Road, Nantong City, Jiangsu Province, 226003 (Group 10, Zhongxingang Village, Zhaxi Township, Gangzha District) Patentee before: NANTONG SHAN JIAN GRAPHITE EQUIPMENT Co.,Ltd. |