CN114985259A - Coke screening plate and coke screening device - Google Patents
Coke screening plate and coke screening device Download PDFInfo
- Publication number
- CN114985259A CN114985259A CN202210695026.7A CN202210695026A CN114985259A CN 114985259 A CN114985259 A CN 114985259A CN 202210695026 A CN202210695026 A CN 202210695026A CN 114985259 A CN114985259 A CN 114985259A
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- Prior art keywords
- plate
- coke
- screening
- ceramic
- coke screening
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- Pending
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- 238000012216 screening Methods 0.000 title claims abstract description 120
- 239000000571 coke Substances 0.000 title claims abstract description 95
- 239000000919 ceramic Substances 0.000 claims abstract description 106
- 238000003466 welding Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000007873 sieving Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 description 13
- 239000010959 steel Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 10
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to the technical field of coke screening, in particular to a coke screening plate and a coke screening device. The coke screening plate comprises a supporting frame and a plurality of ceramic screening plates; a plurality of ceramic sieve boards all are connected with the support frame, and a plurality of ceramic sieve boards arrange in array to form a plurality of screening passageways that supply coke to pass through. The coke screening plate and the coke screening device have good wear resistance and corrosion resistance, and a longer service cycle, so that the replacement frequency can be shortened, the labor intensity of workers can be reduced, and the use and maintenance cost can be reduced.
Description
Technical Field
The invention relates to the technical field of coke screening, in particular to a coke screening plate and a coke screening device.
Background
At present, in the coal coking production industry, sieve plates of used sieving equipment are all traditional steel components. Because the coke material has high hardness and strong corrosivity, the steel part of the coke contact surface is particularly seriously abraded and generally needs to be replaced within 4 to 5 months, and in addition, the screening equipment needs to be shut down for maintenance due to time and labor consumption during the treatment and replacement, so the use and maintenance cost is increased.
Disclosure of Invention
The invention aims to provide a coke screening plate and a coke screening device, which have good wear resistance and corrosion resistance, longer service cycle and shorter replacement frequency, thereby reducing the labor intensity of workers and reducing the use and maintenance cost.
Embodiments of the invention may be implemented as follows:
in a first aspect, the present invention provides a coke screening plate comprising a support frame and a plurality of ceramic screening plates;
a plurality of ceramic sieve boards all are connected with the support frame, and a plurality of ceramic sieve boards arrange in array to form a plurality of screening passageways that supply coke to pass through.
In an alternative embodiment, the coke screening deck further comprises a plurality of connecting plates;
a plurality of connecting plates all are connected with the support frame, and every connecting plate all corresponds and is connected with a ceramic sieve.
In an alternative embodiment, each ceramic screen deck is bonded to a corresponding web.
In an alternative embodiment, the coke screening plate further comprises a plurality of connecting assemblies, each connecting assembly corresponding to one ceramic screening plate and one connecting plate;
each connecting component is connected with the corresponding ceramic sieve plate and the corresponding connecting plate.
In an alternative embodiment, each connection assembly comprises a plurality of connections; each ceramic sieve plate is provided with a plurality of connecting parts;
each connecting piece is correspondingly matched with one connecting piece and is connected with the connecting plate.
In an alternative embodiment, the connecting part comprises a mounting hole opened in the ceramic screen plate;
the connecting piece comprises a welding piece and a ceramic sealing cover; the welding piece is matched with the mounting hole and is connected with the connecting plate in a welding way; the ceramic sealing cover is connected to the end of the mounting hole to seal the mounting hole.
In an alternative embodiment, the mounting hole is a tapered hole and the weld has a profile conforming to an inner circumferential surface of the mounting hole.
In an alternative embodiment, the ceramic screen plate comprises a main body and a plurality of screen teeth protruding out of the main body;
the plurality of screen teeth are sequentially arranged at intervals along the extending direction of the main body;
the main part is all seted up in a plurality of connecting portions, and every connecting portion all corresponds a connecting portion.
In an alternative embodiment, the ceramic screen panel comprises a sub-panel body; each sub-board body is provided with a connecting part;
the daughter boards are sequentially connected with the connecting board in the same direction.
In a second aspect, the present invention provides a coke screening device, which comprises a conveyor belt, a main body and at least one coke screening plate;
the main part is provided with the screening portion, and the coke screening board is connected with the main part, and is located the screening portion, and the conveyer belt is used for waiting to sieve the coke towards the transportation of screening portion.
The embodiment of the invention has the beneficial effects that:
the coke screening plate comprises a supporting frame and a plurality of ceramic screening plates; wherein, a plurality of ceramic sieve all are connected with the support frame, and a plurality of ceramic sieve array arrange to form a plurality of screening passageways that supply coke to pass through. From this, when this coke screening board is applied to coke screening plant, because the ceramic sieve that the ceramic material that this coke screening board adopted made, and ceramic sieve possesses good wearability and corrosion resistance, and then for steel sieve, possesses longer life cycle, and then can shorten the change frequency to can reduce workman's intensity of labour, and reduce the cost of use and maintenance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of a coke screening plate in an embodiment of the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
FIG. 3 is a cross-sectional view of a coke screening deck in an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a ceramic screen deck in an embodiment of the invention;
fig. 5 is a schematic view of the installation of the connecting assembly in the embodiment of the present invention.
Icon: 200-a coke screening plate; 210-a support frame; 220-ceramic sieve plate; 201-a screening channel; 230-a connecting plate; 240-a connection assembly; 241-a connecting piece; 221-a connecting portion; 242-a weld; 243-ceramic cover; 222-screen teeth.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which the product of the present invention is used to usually place, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are only used to distinguish one description from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
Referring to fig. 1 to 3, the present embodiment provides a coke screening device, which includes a conveyor belt, a main body and at least one coke screening plate 200;
the coke screening deck 200 includes a support frame 210 and a plurality of ceramic screening decks 220; the plurality of ceramic screen plates 220 are connected to the support frame 210, and the plurality of ceramic screen plates 220 are arranged in an array form and form a plurality of screening channels 201 through which coke passes.
The main part is provided with the screening portion, and coke screening board 200 is connected with the main part, and is located the screening portion, and the conveyer belt is used for waiting to screen the coke towards the transportation of screening portion.
Referring to fig. 1 to 4, the coke screening apparatus operates on the following principle:
this coke screening plant is at the in-process that uses, carry through the conveyer belt to the screening portion of main part and wait to sieve the coke, and because the screening portion embeds there is coke screening board 200, when sending to wait to sieve the coke and be in coke screening board 200 on, alright treat through coke screening board 200 and sieve the coke, make partial coke in waiting to sieve the coke break away from coke screening board 200 through screening passageway 201 on the coke screening board 200, and the coke that does not break away from coke screening board 200 of screening passageway 201 then breaks away from coke screening board 200 along with the motion of main part or the motion of coke screening board 200, and carry to different positions with the coke that breaks away from coke screening board 200 by screening passageway 201, and then accomplish the screening of coke.
In the process, the coke screening plate 200 can be used for screening coke, and the ceramic screening plate 220 made of ceramic materials adopted by the coke screening plate 200 has good wear resistance and corrosion resistance, so that the coke screening plate has a longer service cycle compared with a steel screening plate, and further can shorten the replacement frequency, thereby reducing the labor intensity of workers and reducing the use and maintenance costs.
Further, referring to fig. 1-5, in the present embodiment, when the coke screening plate 200 is disposed, in order to connect the coke screening plate 200 with the supporting frame 210, the coke screening plate 200 further includes a plurality of connecting plates 230; and a plurality of connecting plates 230 are connected with the supporting frame 210, and each connecting plate 230 is correspondingly connected with one ceramic sieve plate 220.
From this, all be connected with support frame 210 through a plurality of connecting plates 230 to and with the mode that ceramic sieve 220 and connecting plate 230 one-to-one are connected, alright be fixed in ceramic sieve 220 on support frame 210, thereby can be at the in-process of screening coke, improve the stability in use of coke screening board 200. It should be noted that the connection plate 230 and the support bracket 210 may be connected by bolts or welding.
Referring to fig. 1 to 5, in the present embodiment, when the supporting frame 210 and the connecting plate 230 are disposed, the supporting frame 210 and the connecting plate 230 are made of steel, and in order to stably connect the ceramic sieve plates 220 to the connecting plate 230, each ceramic sieve plate 220 is adhered to the corresponding connecting plate 230, and the coke screening plate 200 further includes a plurality of connecting members 240, each connecting member 240 corresponds to one ceramic sieve plate 220 and one connecting plate 230, and each connecting member 240 connects the corresponding ceramic sieve plate 220 and the corresponding connecting plate 230.
That is, in this embodiment, the ceramic screen plate 220 is bonded to the corresponding connecting plate 230 and connected by the connecting assembly 240, so that the bonding and the connecting assembly 240 are connected in a combined manner, the connection stability of the ceramic screen plate 220 and the connecting plate 230 is improved, and the ceramic screen plate 220 is prevented from being separated from the connecting plate 230 in the working process.
By the arrangement mode, the ceramic sieve plate 220 can be stably connected with the steel connecting plate 230; so that the coke screening plate 200 has wear resistance and corrosion resistance of wear-resistant ceramics, and the ceramic screening plate 220 and the steel connecting plate 230 form an integral structure with high strength. It should be noted that, when the ceramic sieve plate 220 is manufactured, the ceramic sieve plate 220 adopts a three-dimensional design, different molds are designed according to different sizes, the sintering process is enhanced, and the ceramic deformation is reduced. Thus, in this embodiment, the coke screening sheet 200 has the characteristics of high wear resistance, high corrosion resistance, long life, maintenance-free, and high load-bearing, while having an extended service life.
It should be noted that, during the operation of the screening device, because the condition of the screened material is different, in other embodiments of the present invention, in the case that the material is small or the impact stress on the screening plate is small, the connection assembly 240 may be arranged to connect the ceramic screening plate 220 and the corresponding connection plate 230, or the ceramic screening plate 220 and the corresponding connection plate 230 may be adhered to each other.
Based on the above, referring to fig. 1-5, when manufacturing the coke screening plate 200, the physical performance parameters of the ceramic screening plate 220 refer to table 1, the chemical compositions of the ceramic screening plate 220 refer to table 2, the supporting frame 210 adopts a stainless steel structural member, the surface is subjected to dust-free treatment, the precision is controlled within a standard range, the ceramic screening plate 220 and the corresponding connecting plate 230 can be bonded by steel-ceramic structural adhesive, and then the ceramic screening plate 220 and the supporting frame 210 are welded by the connecting member 241 and the connecting plate 230 to form an integral structure with high strength, so that the defects of the traditional steel screening plate product are overcome. The steel-ceramic structural adhesive is used as an adhesive for bonding the connecting plate 230 and the ceramic sieve plate 220, the service life of the adhesive is about 10 ten thousand hours, and the adhesive has strong bonding performance.
Table 1: physical property parameter table of ceramic sieve plate
Table 2: chemical composition table of ceramic sieve plate
Thus, under the same operating conditions, the coke screening deck 200 has a service life of 66 months, while the steel screening decks of the prior art have a service life of 6 months.
Based on the above, referring to fig. 1 to fig. 5, in the present embodiment, when the connecting members 240 are disposed, each of the connecting members 240 includes a plurality of connecting members 241; each ceramic screen plate 220 is provided with a plurality of connection parts 221; each connecting piece 241 is correspondingly matched with one connecting piece 241 and connected with the connecting plate 230. Through such an arrangement, the ceramic screen plate 220 can be fixed to the connecting plate 230 at multiple points, and the mounting stability of the ceramic screen plate 220 can be further improved.
Specifically, the connection part 221 may include a mounting hole opened in the ceramic screen plate 220; and the connecting piece 241 includes a welding piece 242 and a ceramic cover 243; the welding pieces 242 are matched with the mounting holes and are connected with the connecting plate 230 in a welding mode; a ceramic cover 243 is attached to an end of the mounting hole to close off the mounting hole.
Therefore, by the arrangement mode, the connecting piece 241 can be fixed on the connecting plate 230 through the matching of the connecting piece 241 and the mounting hole and the welding connection of the connecting piece 241 and the connecting plate 230, and the purpose of fixing the ceramic sieve plate 220 and the connecting plate 230 is further achieved.
When setting up erection joint spare 241, for make the connection can cooperate and be convenient for with connecting portion 221 welding with ceramic sieve 220, so there is the mounting hole in ceramic sieve 220 design, the position of mounting hole is through the mechanical analysis experiment, just in time welded fastening, do not destroy the inner structure of ceramic sieve 220 simultaneously, again according to mounting hole design connecting piece 241, set up connecting piece 241 into the bowl card of steel, through with bowl card inner hole wall and connecting plate 230 surface weld, the arc outer wall of bowl card pushes down ceramic sieve 220 and makes ceramic sieve 220 and connecting plate 230 link into an integrated entity, and glue the secondary seal through the steel porcelain structure, cover the ceramic closing cap 243 of the same material of special design, the surface can form wholly.
It should be noted that, when the ceramic sieve plate 220 is provided with the mounting hole, in order to prevent the coke material from falling into the mounting hole and causing material jamming or aggravating abrasion, one end of the mounting hole away from the connecting plate 230 is plugged by the ceramic sealing cover 243, so that the material jamming in the mounting hole can be avoided; moreover, since the ceramic cover 243 is located at the end of the mounting hole facing away from the connecting plate 230, that is, the ceramic cover 243 is located at the side of the ceramic screen plate 220 contacting the coke material, in order to prolong the service life of the ceramic cover 243, the ceramic cover 243 is made of the same material as the ceramic screen plate 220; in addition, in order to prevent the ceramic sealing cover 243 from being separated from the ceramic screen plate 220 during the material screening process, the ceramic sealing cover 243 may be bonded to the ceramic screen plate 220 and may be provided with one or more of a connection structure for connecting the ceramic cover plate and the ceramic screen plate 220.
Further, referring to fig. 1 to 5, in the present embodiment, in order to increase the connection stability between the connecting member 241 and the ceramic screen plate 220, the mounting hole is a tapered hole, and the welding member 242 has a profile adapted to an inner circumferential surface of the mounting hole. With such an arrangement, the contact area between the welding member 242 and the ceramic screen plate 220 can be increased, and the connection stability can be improved.
In summary, in the embodiment, the comb-shaped sieve plate is adopted, and the structure of the supporting frame 210 is a steel frame body;
thus, when the ceramic screen plate 220 is disposed, the ceramic screen plate 220 includes a main body and a plurality of screen teeth 222 protruding from the main body; the plurality of screen teeth 222 are sequentially arranged at intervals along the extending direction of the main body; the plurality of connecting portions 221 are opened in the main body, and each connecting portion 221 corresponds to one connecting portion 221. That is, the ceramic screen plate 220 may be integrally formed. In other embodiments of the present invention, the ceramic screening plate 220 may also be manufactured in a split manner, that is, the ceramic screening plate 220 includes a sub-plate body; each sub-board body is provided with a connecting part 221; the plurality of sub-boards are sequentially connected to the connection board 230 in the same direction. Furthermore, in other embodiments of the present invention, the coke screening plate 200 may be cylindrical when the support frame 210 has a cylindrical structure.
Based on the above, referring to fig. 1-5, the coke screening sheet 200 is manufactured as follows:
manufacturing a steel support frame 210 and a plurality of connecting plates 230 according to the set size, and polishing and cleaning the plurality of connecting plates 230;
disposing the connection plate 230 on the support frame 210;
bonding the connecting plate 230 with the ceramic sieve plate 220; specifically, one side of the ceramic sieve plate 220 for bonding is coated with a certain thickness of the tempered steel-ceramic structural adhesive, and one side of the ceramic sieve plate 220 coated with the steel-ceramic structural adhesive is attached to the corresponding connecting plate 230;
mounting the connecting piece 241 in the corresponding mounting hole on the ceramic sieve plate 220, and welding the connecting piece with the connecting plate 230;
the steel-porcelain structural adhesive is firmly bonded after being integrally formed and does not fall off.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A coke screening plate is characterized in that:
the coke screening plate comprises a supporting frame and a plurality of ceramic screening plates;
the ceramic sieve plates are connected with the supporting frame and arranged in an array mode to form a plurality of sieving channels for coke to pass through.
2. The coke screening plate of claim 1, wherein:
the coke screening deck further comprises a plurality of connecting plates;
a plurality of the connecting plate all with the support frame is connected, and every the connecting plate all corresponds with one the pottery sieve is connected.
3. The coke screening plate of claim 2, wherein:
and each ceramic sieve plate is bonded with the corresponding connecting plate.
4. The coke screening plate of claim 2 or 3, wherein:
the coke screening plate also comprises a plurality of connecting components, and each connecting component corresponds to one ceramic screening plate and one connecting plate;
every coupling assembling all connects the correspondence ceramic sieve and connecting plate.
5. The coke screening plate of claim 4, wherein:
each of the connection assemblies includes a plurality of connectors; each ceramic sieve plate is provided with a plurality of connecting parts;
every the connecting piece all correspond with one the connecting piece cooperation, and with the connecting plate is connected.
6. The coke screening plate of claim 5, wherein:
the connecting part comprises a mounting hole arranged on the ceramic sieve plate;
the connecting piece comprises a welding piece and a ceramic sealing cover; the welding piece is matched with the mounting hole and is connected with the connecting plate in a welding mode; the ceramic sealing cover is connected to the end part of the mounting hole so as to seal the mounting hole.
7. The coke screening plate of claim 6, wherein:
the mounting hole is a tapered hole, and the welding member has a profile conforming to an inner peripheral surface of the mounting hole.
8. The coke screening plate of claim 5, wherein:
the ceramic sieve plate comprises a main body and a plurality of sieve teeth protruding out of the main body;
the plurality of screen teeth are sequentially arranged at intervals along the extending direction of the main body;
a plurality of the connecting parts are all arranged on the main body, and each connecting part corresponds to one connecting part.
9. The coke screening plate of claim 5, wherein:
the ceramic sieve plate comprises a sub-plate body; each of the sub-board bodies is provided with the connecting part;
and the sub-boards are sequentially connected with the connecting board in the same direction.
10. A coke screening plant, characterized by:
the coke screening device comprises a conveyor belt, a main body and at least one coke screening plate as defined in any one of claims 1 to 9;
the main part is provided with screening portion, the coke screening board with the main part is connected, and is located screening portion, the conveyer belt is used for towards screening portion carries the coke of treating screening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210695026.7A CN114985259A (en) | 2022-06-20 | 2022-06-20 | Coke screening plate and coke screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210695026.7A CN114985259A (en) | 2022-06-20 | 2022-06-20 | Coke screening plate and coke screening device |
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| Publication Number | Publication Date |
|---|---|
| CN114985259A true CN114985259A (en) | 2022-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210695026.7A Pending CN114985259A (en) | 2022-06-20 | 2022-06-20 | Coke screening plate and coke screening device |
Country Status (1)
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101417280A (en) * | 2008-12-10 | 2009-04-29 | 张志涛 | Sieve plate of vibration sieve |
| JP2009299092A (en) * | 2008-06-10 | 2009-12-24 | Jfe Steel Corp | Method for operating vertical furnace, and facility for preventing coke to be charged into vertical furnace from being powdered in furnace |
| CN204261936U (en) * | 2014-11-05 | 2015-04-15 | 郑州大学 | High frequency build-up wear-resistant grating |
| CN207921513U (en) * | 2018-03-12 | 2018-09-28 | 罗山县高科节能环保工程有限公司 | Ceramic-lined pipeline and conveying equipment |
| CN215940523U (en) * | 2021-09-15 | 2022-03-04 | 新乡市辉扬科技有限公司 | Replaceable ceramic sieve plate |
-
2022
- 2022-06-20 CN CN202210695026.7A patent/CN114985259A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009299092A (en) * | 2008-06-10 | 2009-12-24 | Jfe Steel Corp | Method for operating vertical furnace, and facility for preventing coke to be charged into vertical furnace from being powdered in furnace |
| CN101417280A (en) * | 2008-12-10 | 2009-04-29 | 张志涛 | Sieve plate of vibration sieve |
| CN204261936U (en) * | 2014-11-05 | 2015-04-15 | 郑州大学 | High frequency build-up wear-resistant grating |
| CN207921513U (en) * | 2018-03-12 | 2018-09-28 | 罗山县高科节能环保工程有限公司 | Ceramic-lined pipeline and conveying equipment |
| CN215940523U (en) * | 2021-09-15 | 2022-03-04 | 新乡市辉扬科技有限公司 | Replaceable ceramic sieve plate |
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