CN205406295U - Anticorrosion device - Google Patents
Anticorrosion device Download PDFInfo
- Publication number
- CN205406295U CN205406295U CN201620146006.4U CN201620146006U CN205406295U CN 205406295 U CN205406295 U CN 205406295U CN 201620146006 U CN201620146006 U CN 201620146006U CN 205406295 U CN205406295 U CN 205406295U
- Authority
- CN
- China
- Prior art keywords
- container
- wall
- protection system
- erosion protection
- utility
- 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.)
- Active
Links
Abstract
The utility model relates to an anticorrosion technical field especially relates to an anticorrosion device. Can reduce the corruption to the container, the extension the life of container promotes the result of use. The wall of having overcome electric conductivity container among the prior art is corroded by inorganic salts ionized anion easily and makes the defect that life is of short duration and the safety in utilization is low of container. An embodiment of the utility model provides an anticorrosion device, include: the container, the container is used for holding and bearing the corrosive medium who contains inorganic salts, the wall of container is the conductor, the cover is established the electrically conductive casing of wall outlying of container, the wall of container with it forms the condenser to leave first clearance between the electrically conductive casing, DC power supply, the wall of container as the negative plate with DC power supply's negative electricity is connected, electrically conductive casing as the positive plate and DC power supply's anodal electricity is connected.
Description
Technical field
This utility model relates to anticorrosion technique field, particularly relates to a kind of erosion protection system.
Background technology
In daily productive life, some reaction masses, mass-and heat-transfer medium or storage material all contain inorganic salt more or less, reaction mass reacts in reaction vessel, mass-and heat-transfer medium transmits in the duct, storage material stores in storage container, all the material of container is had higher requirement, and these containers are generally adopted the material with conductive and heat-conductive effect and make, owing to inorganic salt ionization generates zwitterion, anion therein such as Cl-、SO4 2-、PO4 3-The wall of conductive container can be produced electrochemical corrosion, the leakage of container can be caused, affect service life and the safety in utilization of container.
Especially when adopting nickel-base alloy to make supercritical reaction device, supercritical reaction device with high costs, and owing to supercritical fluids system is the reaction system of High Temperature High Pressure, containing inorganic salt in reaction mass, the anion of inorganic salt ionization to the corrosiveness of supercritical reaction device strongly, affects service life and the result of use of supercritical reaction device.
Utility model content
Main purpose of the present utility model is in that, it is provided that a kind of erosion protection system, it is possible to reduce the corrosion to container, extend the service life of described container, promotes result of use.
For reaching above-mentioned purpose, this utility model adopts the following technical scheme that
This utility model embodiment provides a kind of erosion protection system, including:
Container, described container is for holding and carrying the Korrosionsmedium containing inorganic salt, and the wall of described container is conductor；
It is set in the conductive shell that the wall of described container is peripheral, leaves the first gap between wall and the described conductive shell of described container and form capacitor；
DC source, the wall of described container is connected as the negative electricity of negative plate with described DC source, and described conductive shell is connected as the positive electrical of positive plate with described DC source.
Optionally, described container is reactor, heat exchanger or bin.
When described container is reactor, and described reactor is when vertically placing, described conductive shell is the tubular structure of up/down perforation, and the shape of described tubular structure is consistent with the sidewall shape of described supercritical reaction device, and the axis of described tubular structure overlaps with the axis of described supercritical reaction device.
Optionally, the wall of described container and described conductive shell are provided with metal lead wire plate, the negative pole of described DC source is electrically connected with the metal lead wire plate on the wall of described container by the first wire, and the positive pole of described DC source is electrically connected with the metal lead wire plate on described conductive shell by the second wire.
Optionally, described first gap is filled with electrolyte.
Preferably, described electrolyte is earthenware.
Further, leaving the second gap, be filled with insulation material in described second gap between the wall of described earthenware and described container, described insulation material can be used for fixing described earthenware.
Optionally, described erosion protection system also includes grounding device, and described grounding device is for processing described discharging capacitors.
Preferably, described erosion protection system also includes fuse, and described fuse and described capacitor are connected in series.
This utility model embodiment provides a kind of erosion protection system, by the peripheral sheathed conductive shell of wall in accommodation the container carrying the Korrosionsmedium containing inorganic salt, form capacitor arrangement, and powered to described capacitor arrangement by DC source, make populated with negative charge on the wall of described container, described conductive shell is assembled positive charge, the anion that described inorganic salt is ionized by the negative charge on the wall of described container is repelled, make described anion away from the wall of described container, the corrosion of wall to described container can be reduced, extend service life and the safety in utilization of container.Overcome the corrosion of anion that in prior art, the wall of electric conductivity container is easily ionized by inorganic salt and make the defect that service life is of short duration and safety in utilization is low of container.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of a kind of erosion protection system that Fig. 1 provides for this utility model embodiment；
The structural representation of the another kind of erosion protection system that Fig. 2 provides for this utility model embodiment；
The structural representation of the another kind of erosion protection system that Fig. 3 provides for this utility model embodiment；
The structural representation of the another kind of erosion protection system that Fig. 4 provides for this utility model embodiment；
The structural representation of another erosion protection system that Fig. 5 provides for this utility model embodiment；
The flow chart of a kind of anti-corrosion method that Fig. 6 provides for this utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
In description of the present utility model, it will be appreciated that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be for only for ease of description this utility model and simplifying and describe; rather than instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.In description of the present utility model, except as otherwise noted, " multiple " are meant that two or more.
On the one hand, this utility model embodiment provides a kind of erosion protection system, referring to Fig. 1, including:
Container 1, described container 1 is for holding and carrying the Korrosionsmedium containing inorganic salt, and the wall of described container 1 is conductor；
It is set in the conductive shell 2 that the wall of described container 1 is peripheral, leaves the first gap between wall and the described conductive shell 2 of described container 1 and form capacitor；
DC source 3, the wall of described container 1 is connected as the negative electricity of negative plate with described DC source 3, and described conductive shell 2 is connected as the positive electrical of positive plate with described DC source 3.
This utility model embodiment provides a kind of erosion protection system, by the peripheral sheathed conductive shell of wall in accommodation the container 1 carrying the Korrosionsmedium containing inorganic salt, form capacitor arrangement, and powered to described capacitor arrangement by DC source, make populated with negative charge on the wall of described container 1, described conductive shell 2 is assembled positive charge, the anion that described inorganic salt is ionized by the negative charge on the wall of described container 1 is repelled, make described anion away from the wall of described container 1, the corrosion of wall to described container 1 can be reduced, extend service life and the safety in utilization of container.Overcome the corrosion of anion that in prior art, the wall of electric conductivity container is easily ionized by inorganic salt and make the defect that service life is of short duration and safety in utilization is low of container.
Wherein, the purposes of described container 1 is not limited.Described container can be reactor, device for storing liquid or heat exchange pipeline etc..
In an embodiment of the present utility model, described container 1 is reactor, heat exchanger or bin.
In this utility model embodiment, when described container 1 is reactor, when there is chemical reaction in described reactor in the Korrosionsmedium containing inorganic salt, the anion that inorganic salt ionization produces can be repelled by the negative charge on the wall of described reactor such that it is able to extends the service life of described reactor；When described container 1 is heat exchanger; heat exchanger flows through the Korrosionsmedium containing inorganic salt; when described container 1 is bin; described bin stores the Korrosionsmedium containing inorganic salt; the wall of the wall of described heat exchanger and bin can both be protected equally, it is prevented that electrochemical corrosion occurs.
Wherein, described DC source 3 is not limited.Described DC source 3 can be obtained by rectifier rectification by civil power.
Wherein, described conductive shell 2 not being limited in the sheathed position that the wall of described container 1 is peripheral, sheathed position is relevant with the anticorrosion region of described container 1.
In an embodiment of the present utility model, described container 1 is reactor, and described reactor vertically places, described conductive shell 2 is the tubular structure of up/down perforation, the shape of described tubular structure is consistent with the sidewall shape of described reactor 1, and the axis of described tubular structure overlaps with the axis of described reactor 1.
In this utility model embodiment, sidewall and the described conductive shell 2 of described reactor 1 form capacitor arrangement, and spacing between positive and negative two pole plates at described each position of capacitor is equal, positive and negative charge can be uniformly gathered on the sidewall of described conductive shell 2 and described reactor 1 respectively, it is thus possible to the whole sidewall of described reactor 1 is carried out anticorrosion, improve anticorrosion ability.
Wherein, the kind of described reactor is not limited.
In an embodiment of the present utility model, described reactor is supercritical reaction device.Owing to supercritical reaction device adopts nickel-bass alloy material to make, supercritical reaction system is High Temperature High Pressure system, containing inorganic salt in reaction mass, inorganic salt ionizes as zwitterion under supercritical reaction conditions, there is electrochemical reaction in the surface of the wall of anion and described supercritical reaction device, the wall of supercritical reaction device had strong corrosiveness, by the sidewall of described supercritical reaction device and described conductive shell 2 are formed capacitor arrangement, and powered to described capacitor by DC source 3, the sidewall making described supercritical reaction device is electronegative, described anion is repelled so that described anion is away from the wall of described supercritical reaction device by described negative charge, described supercritical reaction device can be carried out anti-corrosion protection.
In another embodiment of the present utility model, referring to Fig. 2, described container 1 is supercritical reaction device, the wall of described supercritical reaction device 1 and described conductive shell 2 are provided with metal lead wire plate 4, the negative pole of described DC source 3 is electrically connected with the metal lead wire plate 41 on the wall of described supercritical reaction device 1 by the first wire 31, and the positive pole of described DC source 3 is electrically connected with the metal lead wire plate 42 on described conductive shell 2 by the second wire 32.
Due in supercritical reaction process, supercritical reaction system is High Temperature High Pressure system, hot fluid is had to pass through in supercritical reaction device 1, in this utility model embodiment, by arranging metal lead wire plate 4, thermolysis can be played, it is to avoid temperature is too high and described first wire 31 and the second wire 32 are damaged.
Wherein, it should be noted that, owing to capacitor plays the effect storing electric charge and stopping direct current, positive charge is made to be gathered on positive plate, negative charge is gathered on negative plate and forms rated voltage, when being added in the voltage at described capacitor two ends more than described rated voltage, described capacitor can be electrically shocked and wear and be damaged.
In another embodiment of the present utility model, referring to Fig. 3, described first gap is filled with electrolyte 5.Wherein, the phenomenon forming macroscopic view bound charge is called electric polarization, and the material that can produce polarization is referred to as electrolyte.Under External Electrical Field, these electric charges also can only move in microscopic ranges, produces polarization, so that the electric capacity of capacitor increases, it is possible to prevent electrical breakdown.
Wherein, described electrolyte 5 is not limited.Electrolyte 5 includes gaseous state, liquid, solid matter.
In an embodiment of the present utility model, described electrolyte 5 is earthenware.Owing to earthenware has heat-blocking action, adopt earthenware as electrolyte, it is possible to increase electric capacity, and supercritical reaction system can be thermally shielded insulation.
Wherein, the concrete composition of described earthenware not being limited, in an embodiment of the present utility model, described earthenware is Barium metatitanate .-titanium oxide ceramics pipe.
In another embodiment of the present utility model, referring to Fig. 4 and Fig. 5, leaving the second gap between described earthenware 5 and the wall of described container 1, be filled with insulation material 6 in described second gap, described insulation material 6 can be used for fixing described earthenware 5.
By filling insulation material 6, insulation effect can either be played, it is also possible to fixing earthenware 5, it is prevented that earthenware 5 occurs to slide and crush, and described earthenware 5 has the effect of buffer protection.
Wherein, described insulation material 6 is not limited.
In an embodiment of the present utility model, described insulation material 6 is heat-preservation cotton.
In another embodiment of the present utility model, referring to Fig. 5, described erosion protection system also includes fuse 7, and described fuse 7 is connected in series with described capacitor.Fuse is after exceeding setting certain time according to electric current; Melt molten is made with the heat that himself produces; so that a kind of current protector that the principle that circuit disconnects is made; by serial fuse 7; described supercritical reaction device 1 can be played a protective role, it is prevented that be short-circuited or current overload phenomenon.
In an embodiment of the present utility model, described erosion protection system 1 also includes grounding device (not shown), and described grounding device is for processing described discharging capacitors.
In this utility model embodiment, by arranging grounding device, it is possible to when described container is made without anti-corrosion protection or needs to stop anti-corrosion protection, to described discharging capacitors, thus playing the protective effect to human body.
Wherein, described grounding device is not limited.Described grounding device can be earth lead, it is also possible to for earth rod.Concrete, when electric discharge, it is possible to the earth terminal of described earth lead or earth rod is accessed the earth, the storage electric charge on capacitor is drained, till no-spark and discharging sound.
On the other hand, this utility model embodiment provides a kind of anti-corrosion method, is applied to erosion protection system described above, referring to Fig. 6, including:
Step 1) Korrosionsmedium containing inorganic salt is carried in described container；
Step 2) to be powered to described capacitor by DC source so that the wall of described container is electronegative, and described conductive shell is positively charged.
This utility model embodiment provides a kind of anti-corrosion method, the peripheral sheathed conductive shell of wall by containing the container of the Korrosionsmedium of inorganic salt in carrying, form capacitor arrangement, and powered to described capacitor arrangement by DC source, make populated with negative charge on the wall of described container, described conductive shell is assembled positive charge, the anion that described inorganic salt is ionized by the negative charge on the wall of described container is repelled, make described anion away from the wall of described container, the corrosion of wall to described container can be reduced, extend service life and the safety in utilization of container.Overcome the corrosion of anion that in prior art, the wall of electric conductivity container is easily ionized by inorganic salt and make the defect that service life is of short duration and safety in utilization is low of container.
Wherein, step 1) with step 2) sequencing can exchange.
In an embodiment of the present utility model, in described step 2) also include before: it is intended to powering quantity according to the cubage of described inorganic salt anion, and according to formula C=Q/U, the electric capacity C size of described capacitor and the voltage U of DC source is adjusted.
In this utility model embodiment, the capacitance size of described capacitor and the voltage of DC source is regulated according to being intended to powering quantity, make the electricity provided meet the size being intended to powering quantity as far as possible, so, make the gathering electric charge on capacitor more, so that the ability that the wall of container repels anion is stronger, it is possible to reduce the corrosion of the wall to container to the full extent.
Wherein, when being intended to powering quantity and being certain, the voltage U of DC source and the electric capacity C of capacitor is shifting relation, therefore, in electric capacity C mono-timing of capacitor, it is possible to increase powering quantity by increasing the voltage U of DC source, and in voltage U mono-timing of described DC source, powering quantity can be increased by the electric capacity C of increase capacitor, to increase the ability repelling anion, improve anticorrosion ability.
In an embodiment of the present utility model, the electric capacity C of described capacitor meets C=ε S/4 π kd, wherein, the right opposite that S is electric capacity positive/negative plate amasss, ε is the dielectric constant of the medium between electric capacity positive/negative plate, and k is electrostatic force constant, and d is the spacing between positive/negative plate.
In this utility model embodiment, each affecting parameters can be adjusted realizing by the electric capacity C increasing described capacitor, such as, spacing d between electric capacity C and the positive/negative plate of capacitor is inversely prroportional relationship, spacing d between positive/negative plate is more big, the electric capacity C of capacitor is more little, otherwise, then the electric capacity C of capacitor is more big.
In another embodiment of the present utility model, described method also includes: when described container is made without anti-corrosion protection or needs to stop anti-corrosion protection, by grounding device, discharging capacitors is processed.
In this utility model embodiment, it is possible to ensure the safety of container, human body is protected, it is prevented that personal accident occurs.
Hereinafter, this utility model is illustrated by this utility model embodiment by reference examples and embodiment and experimental example.These embodiments are merely to the example that illustrates this utility model and propose, and those skilled in the art are it is appreciated that scope of the present utility model is by the restriction of these embodiments, reference examples and test example.
Reference examples:
The tubulose supercritical reaction device adopting material to be C-276 alloy, the housing that the peripheral sheathed material of wall is 20# steel at described tubulose supercritical reaction device, containing sodium chloride, sodium sulfate and sodium phosphate in the aqueous solution of supercritical reaction system, reaction temperature is 296-303 DEG C, implant between wall and the described housing of described supercritical reaction device is air, three diverse locations at the sidewall of described supercritical reaction device are marked, and detect the wall thickness of three diverse locations (for A point, B point and C point) respectively, carry out supercritical reaction 4000h, stopped reaction.
Embodiment 1
Described embodiment 1 is essentially identical with described reference examples, uniquely the difference is that, connecting voltage on described supercritical reaction device and housing is the DC source of 40V so that the sidewall of described supercritical reaction device is electronegative, and described housing is positively charged.
Embodiment 2
Described embodiment 1 is essentially identical with described reference examples, uniquely the difference is that, connecting voltage on described supercritical reaction device and housing is the DC source of 60V so that the sidewall of described supercritical reaction device is electronegative, and described housing is positively charged.
Experimental example:
For evaluating the anticorrosion situation of described embodiment 1-2 objectively, after stopped reaction, respectively to each position in reference examples and the wall thickness measurement of each position in embodiment 1-2, calculate corrosion thickness.
Experimental result ginseng is shown in Table 1:
Table 1
| Title | A spot corrosion thickness | B spot corrosion thickness | C spot corrosion thickness |
| Reference examples | 0.347 | 0.402 | 0.388 |
| Embodiment 1 | 0.268 | 0.330 | 0.289 |
| Embodiment 2 | 0.209 | 0.223 | 0.251 |
As known from Table 1: using the sidewall of the supercritical reaction device negative plate as capacitor, in supercritical reaction, by after described capacitor energization, the sidewall of described supercritical reaction device is electronegative, anion in supercritical reaction system is repelled, make anion away from the sidewall of described supercritical reaction device, it is thus possible to reduce the corrosion of the sidewall to supercritical reaction device, extend the service life of supercritical reaction device, from embodiment 1 and embodiment 2: the voltage being added in described capacitor two ends is more big, the electricity provided is more big, make the negative charge assembled on the sidewall of described supercritical reaction device more many, the repulsion ability to anion can be increased, anticorrosion ability is more good.
The above; it is only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; change can be readily occurred in or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with described scope of the claims.
Claims (9)
1. an erosion protection system, it is characterised in that including:
Container, described container is for holding and carrying the Korrosionsmedium containing inorganic salt, and the wall of described container is conductor；
Being set in the conductive shell that the wall of described container is peripheral, the wall of described container and described conductive shell leave the first gap and form capacitor；
DC source, the wall of described container is connected as the negative electricity of negative plate with described DC source, and described conductive shell is connected as the positive electrical of positive plate with described DC source.
2. erosion protection system according to claim 1, it is characterised in that
Described container is reactor, heat exchanger or bin.
3. erosion protection system according to claim 2, it is characterised in that
Described container is reactor, and described reactor vertically places, described conductive shell is the tubular structure of up/down perforation, and the shape of described tubular structure is consistent with the sidewall shape of described reactor, and the axis of described tubular structure overlaps with the axis of described reactor.
4. erosion protection system according to claim 1, it is characterised in that
Described container is supercritical reaction device, the wall of described supercritical reaction device and described conductive shell are provided with metal lead wire plate, the negative pole of described DC source is electrically connected with the metal lead wire plate on the wall of described container by the first wire, and the positive pole of described DC source is electrically connected with the metal lead wire plate on described conductive shell by the second wire.
5. erosion protection system according to claim 1, it is characterised in that
Described first gap is filled with electrolyte.
6. erosion protection system according to claim 5, it is characterised in that
Described electrolyte is earthenware.
7. erosion protection system according to claim 6, it is characterised in that
Leaving the second gap between the wall of described earthenware and described container, be filled with insulation material in described second gap, described insulation material can be used for fixing described earthenware.
8. erosion protection system according to claim 1, it is characterised in that
Described erosion protection system also includes grounding device, and described grounding device is for processing described discharging capacitors.
9. erosion protection system according to claim 1, it is characterised in that
Described erosion protection system also includes fuse, and described fuse and described capacitor are connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620146006.4U CN205406295U (en) | 2016-02-25 | 2016-02-25 | Anticorrosion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620146006.4U CN205406295U (en) | 2016-02-25 | 2016-02-25 | Anticorrosion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205406295U true CN205406295U (en) | 2016-07-27 |
Family
ID=56425029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620146006.4U Active CN205406295U (en) | 2016-02-25 | 2016-02-25 | Anticorrosion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205406295U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609307A (en) * | 2016-02-25 | 2016-05-25 | 新奥科技发展有限公司 | Corrosion protection device and corrosion protection method |
-
2016
- 2016-02-25 CN CN201620146006.4U patent/CN205406295U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609307A (en) * | 2016-02-25 | 2016-05-25 | 新奥科技发展有限公司 | Corrosion protection device and corrosion protection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20160380247A1 (en) | Battery Packs Having Single Stacks of Battery Cells | |
| Pourfarzad et al. | Inhibition of acid corrosion of glass ampoule in Pb/HBF4/PbO2 reserve batteries using nanobis [3-(trimethoxysilyl) propyl] amine | |
| WO2009128482A1 (en) | Accumulator | |
| JP2020002468A (en) | Cathodic corrosion protection | |
| JP6998066B2 (en) | Corrosion prevention using sacrificial anode | |
| CN205406295U (en) | Anticorrosion device | |
| WO2016102373A1 (en) | Molten salt electrochemical flow cell | |
| CN105609307B (en) | A kind of erosion protection system and anti-corrosion method | |
| US20220014029A1 (en) | Storage and/or transportation of sodium-ion cells | |
| WO2002019357A1 (en) | Electrochemical double-layer capacitor | |
| CN105977535A (en) | Novel lithium-ion battery electrolyte composition | |
| JP2008041299A (en) | Lead-acid battery | |
| TW201117245A (en) | Water-based electrolyte for electric double layer capacitor and electric double layer capacitor having the same | |
| CA2961848C (en) | Cathodic corrosion protection | |
| CN204857895U (en) | From warning lead accumulator | |
| CN206313096U (en) | A kind of heater of the lithium ion battery of electric automobile | |
| JP5614234B2 (en) | Molten salt battery | |
| CN219696690U (en) | Liquid storage tank | |
| CN103280335A (en) | Large-capacitance capacitor with cooling device | |
| JP7080323B2 (en) | Aqueous electrolyte and pseudo-capacitor containing it | |
| CN210468018U (en) | Prevent rolling lithium cell of revealing | |
| CN214152968U (en) | High column lithium cell of security | |
| EP4300638A1 (en) | Gravitational unreactive galvanic battery cell | |
| CN209843880U (en) | Waste battery regenerating device | |
| CN204857886U (en) | Novel lead accumulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170525 Address after: 125000 No. 2 Shanshui Road, Longgang District, Liaoning, Huludao Patentee after: Huludao Xinao Gas Development Co., Ltd. Address before: The 065001 Hebei economic and Technological Development Zone of Langfang Huaxiang new Austrian Science and Technology Park in the Southern District B building room 522 Patentee before: ENN SCIENCE & TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right |