CN111504058A - High-temperature area adjusting device and method for rotary kiln - Google Patents
High-temperature area adjusting device and method for rotary kiln Download PDFInfo
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- CN111504058A CN111504058A CN202010383971.4A CN202010383971A CN111504058A CN 111504058 A CN111504058 A CN 111504058A CN 202010383971 A CN202010383971 A CN 202010383971A CN 111504058 A CN111504058 A CN 111504058A
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- rotary kiln
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/34—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/36—Arrangements of air or gas supply devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/42—Arrangement of controlling, monitoring, alarm or like devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
A high-temperature area adjusting device and method of a rotary kiln relate to the technical field of rotary kiln combustion equipment. It includes: an oxygen bin; a mounting bracket mounted at one side of the burner; the oxygen spraying components are assembled on the mounting rack, are communicated with the oxygen bin and are used for supplementing oxygen to the hearth; and the adjusting assembly is assembled at one end of the oxygen spraying assembly and is used for adjusting the oxygen spraying direction of the oxygen spraying assembly. Adopt above-mentioned technical scheme can adjust the oxygen spraying direction of spouting the oxygen subassembly and carry on spacingly to spouting the oxygen subassembly through adjusting part is nimble, has and does benefit to the regional regulation of high temperature in the furnace, ensures that the material is heated evenly in the furnace, reduces fuel loss, improves production efficiency's advantage.
Description
Technical Field
The invention relates to the technical field of rotary kiln combustion equipment, in particular to a high-temperature area adjusting device and method of a rotary kiln.
Background
The rotary kiln is a rotary calcining kiln (commonly called rotary kiln) and belongs to building material equipment. Rotary kilns can be divided into cement kilns, metallurgical chemical kilns and lime kilns according to the different materials to be treated. The cement kiln is mainly used for calcining cement clinker, and the prepared raw meal is ground and calcined into the clinker under the high-temperature action of the rotary kiln. Therefore, the rotary kiln is a main machine in cement production and is commonly called as the heart of a cement factory.
The rotary kiln furnace adopted at present is of an internal combustion inclined type, the length of a hearth is more than eight meters, the width is more than one meter, the height is more than one point and five meters, the hearth space is very large, namely, a thermal field is very large, a coal injection pipe and a burner are usually adopted at one end of a discharge port to provide calcination heat energy in the hearth, but the high-temperature area in the hearth of the traditional rotary kiln furnace cannot be adjusted, so that pulverized coal cannot be completely combusted, low-temperature condensation of materials in the hearth is easy to occur, the discharge is unsmooth, a condensation wall is even formed, the production efficiency is seriously affected, and energy consumption is extremely high.
Therefore, there is an urgent need to improve on the existing problems.
Disclosure of Invention
The first purpose of the present invention is to provide a high temperature area adjusting device of a rotary kiln, which can flexibly adjust the oxygen spraying direction of an oxygen spraying assembly through an adjusting assembly, and has the advantages of facilitating the adjustment of a high temperature area in a hearth and improving the production efficiency, in view of the defects and disadvantages of the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: a high temperature zone adjustment apparatus for a rotary kiln, comprising: an oxygen bin; a mounting bracket mounted at one side of the burner; the oxygen spraying components are assembled on the mounting rack, are communicated with the oxygen bin and are used for supplementing oxygen to the hearth; and the adjusting assembly is assembled at one end of the oxygen spraying assembly and is used for adjusting the oxygen spraying direction of the oxygen spraying assembly.
In a further aspect of the invention, the oxygen injection assembly comprises: the oxygen introducing pipe is assembled on the mounting rack and communicated with the oxygen bin; the adapter tube is communicated with the oxygen introducing tube, and one end of the adapter tube is a bowl-shaped interface; and the nozzle is rotatably assembled at one end of the adapter tube and used for supplementing oxygen to the flame projecting direction of the burner.
In a further aspect of the invention, the adjustment assembly comprises: the first pull rod is movably arranged on the oxygen introducing pipe in a penetrating way; the second pull rod is arranged in the oxygen introducing pipe; a first connecting member connected to the first and second tie rods; the fixing piece is connected to one end of the second pull rod, is fixedly assembled with the nozzle and drives the nozzle to be adjusted downwards or upwards when the second pull rod moves upwards or downwards; the first driving motor is assembled on the first pull rod and used for driving the first pull rod to reciprocate along the oxygen introducing pipe; and the fixing structure is arranged on the oxygen introducing pipe and used for limiting the fixing piece.
In a further arrangement of the present invention, the fixing structure comprises: a third pull rod movably arranged on the oxygen introducing pipe in a penetrating way; the fourth pull rod is arranged in the oxygen introducing pipe; a second link connected to the third and fourth tie rods; the abutting part is connected with one end of the fourth pull rod and is always abutted against one end of the fixing part when the fourth pull rod moves upwards or downwards; and the second driving motor is assembled on the third pull rod and used for driving the third pull rod to reciprocate along the oxygen introducing pipe.
The invention is further characterized in that a rotating shaft is arranged in the oxygen introducing pipe; the first connecting piece and the second connecting piece are rotatably assembled in the oxygen introducing pipe through the rotating shaft.
In a further arrangement of the present invention, the mounting bracket comprises: the fixing frame is arranged on one side of the combustor; a plurality of mounting blocks arranged on the fixing frame; the clamping block is assembled on the oxygen introducing pipe and assembled with the mounting block; the fixture block is provided with a mounting groove for the mounting block to be clamped and embedded; and the clamping block is provided with a locking bolt for locking the mounting block in the mounting groove.
According to the invention, a temperature detection probe is further arranged on one side, close to the nozzle, of the adapter tube.
According to the invention, the front end of the nozzle is made of heat-resistant alloy steel, and the outer wall of the nozzle is provided with refractory castable.
The second purpose of the invention is to provide a high-temperature area adjusting method of a rotary kiln, which is used for solving the problems that the high-temperature area in the rotary kiln cannot be adjusted, the materials are heated unevenly and the discharging is inconvenient.
A method of high temperature zone regulation of a rotary kiln, the method being based on the above high temperature zone regulation apparatus of a rotary kiln, the method comprising:
s1, observing the combustion condition in the hearth and determining a low-temperature (insufficient combustion) area;
s2, controlling the adjusting assembly through the controller, further adjusting the oxygen spraying assembly to face to a low-temperature (insufficient combustion) area, and simultaneously fixing the angle of the nozzle through the fixing structure;
s3, supplementing oxygen into the hearth from the nozzle;
and S4, monitoring the temperature of one end of the nozzle in real time by the temperature detection probe, and controlling the oxygen cabin to close the oxygen supply channel by the controller when the temperature is too high.
After the technical scheme is adopted, the invention has the beneficial effects that:
according to the invention, the oxygen injection assembly and the adjusting assembly are arranged on the burner, and oxygen is supplemented into the hearth along the coal injection combustion direction of the burner, so that pulverized coal in the hearth can be fully combusted, the adjusting assembly can adjust the direction of the oxygen injection assembly according to the actual combustion condition in the hearth, and further oxygen supplementation can be carried out aiming at a low-temperature region in the hearth, so that the pulverized coal can be better dispersed in the hearth, the uniformity of heating of materials in the hearth is ensured, the materials can be smoothly discharged from the discharge port, the production efficiency is improved, meanwhile, the heat loss in the calcining process is avoided, and the fuel saving is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is a partial cross-sectional view of the embodiment;
FIG. 3 is a further partial cross-sectional view of the embodiment;
fig. 4 is a schematic partial explosion of the embodiment.
Description of reference numerals: 1. an oxygen bin; 2. a mounting frame; 3. an oxygen spraying assembly; 31. an oxygen pipe; 32. a transfer tube; 33. a nozzle; 4. an adjustment assembly; 41. a first pull rod; 42. a second pull rod; 43. a first connecting member; 44. a fixing member; 45. a first drive motor; 46. a fixed structure; 461. a third pull rod; 462. a fourth pull rod; 463. a second connecting member; 464. an abutting member; 465. a second drive motor; 5. a rotating shaft; 21. a fixed mount; 22. mounting blocks; 23. a clamping block; 6. a temperature detection probe; 7. refractory castable; 10. supporting a tube; 11. a drive housing; 12. a motor; 13. a turbine; 14. a worm; 15. a through hole; 16. a screw; 20. a burner.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment as necessary without making a contribution thereto after reading the present specification, but all are protected by patent laws within the scope of the claims of the present invention.
Example (b): the present embodiment relates to a high temperature zone adjusting apparatus of a rotary kiln, as shown in fig. 1-2, comprising: an oxygen bin 1; assemble in mounting bracket 2 of combustor 20 one side, assemble on mounting bracket 2 and communicate in a plurality of oxygen subassembly 3 that spout in oxygen storehouse 1, and the assembly is in the adjusting part 4 of spouting oxygen subassembly 3 one end, it is used for supplementing oxygen in the furnace to spout oxygen subassembly 3, with the flame length of increase combustor 20 in furnace, adjusting part 4 is used for adjusting the oxygen direction of spouting oxygen subassembly 3, thereby carry out the oxygen supplementation to the low temperature region in the furnace, ensure that the material is heated evenly in furnace, prevent that the low temperature condensation phenomenon from appearing and leading to the ejection of compact not smooth.
As shown in fig. 2, the oxygen injection assembly 3 includes: assemble on mounting bracket 2 and communicate in oxygen chamber 1's logical oxygen pipe 31, communicate in logical oxygen pipe 31 adapter tube 32, and the nozzle 33 of rotation assembly in adapter tube 32 one end, as shown in the figure, adapter tube 32 one end is for supplying nozzle 33 rotation assembly's bowl form interface, nozzle 33 one end sets up inside adapter tube 32, the other end is worn out from adapter tube 32 is inside, in this embodiment, nozzle 33 front end uses heat-resisting alloy steel to make, and the outer wall is equipped with refractory castable 7, effectively prevent that nozzle 33 from being heated impaired, supply oxygen in to furnace through nozzle 33 along the direction of burner tube, on the one hand can make the buggy in the furnace fully burn, improve the fuel utilization ratio, on the other hand can prolong flame length, make the material in the furnace be heated more evenly.
As shown in fig. 2 and 3, the adjusting assembly 4 includes: a first pull rod 41 movably arranged in the oxygen tube 31 and a second pull rod 42 arranged in the oxygen tube 31; a first connecting member 43 connected to the first and second tie rods 41 and 42; the fixing part 44 is connected to one end of the second pull rod 42 and fixedly assembled with the nozzle 33, and the first driving motor 1245 is assembled on the first pull rod 41, the first driving motor 1245 is used for driving the first pull rod 41 to reciprocate along the oxygen tube 31, so as to drive the second pull rod 42 to move upwards or downwards, when the second pull rod 42 moves upwards or downwards, the fixing part 44 drives the nozzle 33 to adjust downwards or upwards, in addition, the adjusting assembly 4 further comprises a fixing structure 46 arranged on the oxygen tube 31, and the fixing structure 46 is used for limiting the fixing part 44, so that the fixing part 44 and the nozzle 33 can be stably arranged at one end of the adapter tube 32.
As shown in fig. 2, 3 and 4, the fixing structure 46 includes: a third pull rod 461 movably arranged in the oxygen tube 31, and a fourth pull rod 462 arranged in the oxygen tube 31; a second connection 463 connected to the third and fourth tension rods 461 and 462; the abutting piece 464 is connected to one end of the fourth pull rod 462, and the second driving motor 465 is assembled on the third pull rod 461, the second driving motor 465 is used for driving the third pull rod 461 to reciprocate along the oxygen tube 31 so as to drive the fourth pull rod 462 to move upwards or downwards, the abutting piece 464 always abuts against one end of the fixing piece 44 when the fourth pull rod 462 moves upwards or downwards and is used for playing a supporting role on the bottom of the nozzle 33, so that after the oxygen spraying angle of the nozzle 33 is adjusted, the nozzle 33 can be stably arranged on the adapter tube 32, and the nozzle 33 and the fixing piece 44 are prevented from displacing relative to the adapter tube 32.
As shown in fig. 3, in the present embodiment, a rotating shaft 5 is disposed in the oxygen tube 31, and the first connecting piece 43 and the second connecting piece 463 are rotatably assembled in the oxygen tube 31 through the rotating shaft 5, so that the rotating shaft 5 bears the first pull rod 41, the second pull rod 42, the third pull rod 461 and the fourth pull rod 462, and the fixing piece 44 and the abutting piece 464 are ensured to be simultaneously stressed, thereby achieving the angle adjustment and timely fixing of the nozzle 33.
As shown in fig. 4, it should be noted that the first driving motor 45 and the second driving motor 465 have the same structure, taking the first driving motor 45 as an example, specifically include a support tube 10 fixedly disposed on the oxygen tube 31, a driving housing 11 assembled at one end of the support tube 10, a motor 12 carried on the driving housing 11, and a worm 14 of a turbine 13 disposed in the driving housing 11 and assembled with an output shaft of the motor 12, a through hole 15 for the first pull rod 41 to pass through is formed on the driving housing 11, one end of the first pull rod 41 away from the nozzle 33 passes through the through hole 15 and is sleeved in the support tube 10, a screw 16 threadedly assembled on the turbine 13 is disposed on the first pull rod 41, that is, when the motor 12 rotates, the turbine 13 rotates, and the first pull rod 41 reciprocates along the length direction of the support tube 10 relative to the driving housing 11.
As shown in fig. 2 and 3, a temperature detection probe 6 is further disposed on one side of the adapter tube 32 close to the nozzle 33, the temperature detection probe 6, the first driving motor 45 and the second driving motor 465 are all electrically connected to the device controller, and the controller can adjust and control the first driving motor 45 and the second driving motor 465 by combining with a current temperature detection signal.
As shown in fig. 1 and 4, the mount 2 includes: a fixing frame 21 provided at one side of the burner 20; a plurality of installation pieces 22 of locating on mount 21, and, assemble on logical oxygen pipe 31 and with the fixture block 23 of installation piece 22 looks assembly, offer the mounting groove that supplies installation piece 22 inlay card on the fixture block 23, in the use, the user can be according to actual demand, install mount 21 on the combustor 20 lateral wall, the fixture block 23 that will lead to on the oxygen pipe 31 again assembles with the installation piece 22 on the mount 21 mutually, still be provided with locking bolt on the fixture block 23, locking bolt locks in mounting groove one side, and then prevent the relative mounting groove roll-off of installation piece 22, this simple structure is convenient, the user can adjust the position of leading to oxygen pipe 31 according to particular case, in order to satisfy the regulation to different high temperature zone in the furnace.
Based on the high-temperature area adjusting device of the rotary kiln, the embodiment also relates to a high-temperature area adjusting method of the rotary kiln, and the method comprises the following steps:
s1, observing the combustion condition in the hearth and determining a low-temperature (insufficient combustion) area;
s2, controlling the adjusting assembly 4 through the controller, further adjusting the oxygen spraying assembly 3 to face to a low-temperature (insufficient combustion) area, and simultaneously fixing the angle of the nozzle 33 by the fixing structure 46;
s3, supplementing oxygen into the hearth from the nozzle 33;
and S4, the temperature detection probe 6 monitors the temperature of one end of the nozzle 33 in real time, and when the temperature is too high, the controller controls the oxygen cabin 1 to close the oxygen supply channel.
When low temperature region appears in furnace, adjust and fix the direction of nozzle 33 through first driving motor 45 of controller control and second driving motor 465, make nozzle 33 carry out the oxygen supplementation to it towards low temperature region in the furnace, and then increase the combustion volume in this region, in this embodiment, spout oxygen subassembly 3 and be three and evenly set up the combustor 20 bottom side in furnace discharge gate one end, thereby can prevent that the low temperature from condensing appearing in the discharge gate, the not smooth phenomenon of ejection of compact, the fuel in the furnace obtains abundant burning simultaneously, effectively avoid the waste of fuel.
The working principle of the present embodiment is roughly as follows: through set up oxygen injection subassembly 3 and adjusting part 4 on combustor 20, coal injection combustion direction along combustor 20 is to replenishing oxygen in the furnace, thereby make the buggy in the furnace can fully burn, and adjusting part 4 can be according to the interior actual combustion condition of furnace and adjust oxygen injection subassembly 3's direction, and then can carry out oxygen replenishment to the low temperature region in the furnace, make dispersion that the buggy can be better in the furnace, guarantee the homogeneity that the material is heated in the furnace, and make the material discharge gate discharge from can be smoothly, and the production efficiency is improved, the calorific loss among the calcination process has been avoided simultaneously, be favorable to fuel economy.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered by the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. A high temperature zone adjustment apparatus for a rotary kiln, comprising: an oxygen bin (1);
a mounting bracket (2) mounted on one side of the burner (20);
a plurality of oxygen spraying components (3) which are assembled on the mounting rack (2), are communicated with the oxygen bin (1) and are used for supplementing oxygen to the hearth; and the number of the first and second groups,
and the adjusting component (4) is assembled at one end of the oxygen spraying component (3) and is used for adjusting the oxygen spraying direction of the oxygen spraying component (3).
2. A high temperature zone regulation device of a rotary kiln according to claim 1, characterized in that the oxygen injection assembly (3) comprises: an oxygen pipe (31) which is assembled on the mounting rack (2) and communicated with the oxygen chamber (1);
a switching tube (32) which is communicated with the oxygen tube (31) and one end of which is a bowl-shaped interface; and the number of the first and second groups,
a nozzle (33) rotatably mounted on one end of the adapter tube (32) and used for supplementing oxygen to the flame-out direction of the burner (20).
3. A high temperature zone adjusting device of a rotary kiln according to claim 2, characterized in that: the adjustment assembly (4) comprises:
a first pull rod (41) movably arranged on the oxygen pipe (31) in a penetrating way;
a second pull rod (42) arranged inside the oxygen introducing pipe (31);
a first connecting member (43) connected to the first tie bar (41) and the second tie bar (42);
a fixing part (44) which is connected with one end of the second pull rod (42), is fixedly assembled with the nozzle (33), and drives the nozzle (33) to adjust downwards or upwards when the second pull rod (42) moves upwards or downwards; and the number of the first and second groups,
a first driving motor (45) which is assembled on the first pull rod (41) and is used for driving the first pull rod (41) to do reciprocating motion along the oxygen introducing pipe (31); and the number of the first and second groups,
and the fixing structure (46) is arranged on the oxygen introducing pipe (31) and is used for limiting the fixing piece (44).
4. A high temperature zone regulation device of a rotary kiln according to claim 3, characterized in that the fixing structure (46) comprises:
a third pull rod (461) movably arranged on the oxygen tube (31);
a fourth pull rod (462) arranged inside the oxygen pipe (31);
a second connecting member (463) connected to the third and fourth tie rods (461, 462);
an abutting piece (464) which is connected with one end of the fourth pull rod (462) and is always abutted against one end of the fixing piece (44) when the fourth pull rod (462) moves upwards or downwards; and the number of the first and second groups,
and the second driving motor (465) is assembled on the third pull rod (461) and is used for driving the third pull rod (461) to do reciprocating motion along the oxygen introducing pipe (31).
5. A high temperature zone regulating device of a rotary kiln according to claim 4, characterized in that a rotating shaft (5) is arranged in the oxygen pipe (31);
the first connecting piece (43) and the second connecting piece (463) are rotatably assembled in the oxygen introducing pipe (31) through the rotating shaft (5).
6. A high temperature zone regulation device of a rotary kiln according to claim 5, characterized in that the mounting frame (2) comprises: a fixing frame (21) arranged on one side of the burner (20);
a plurality of mounting blocks (22) arranged on the fixing frame (21); and the number of the first and second groups,
a fixture block (23) assembled on the oxygen tube (31) and assembled with the mounting block (22);
the fixture block (23) is provided with an installation groove for the installation block (22) to be clamped and embedded;
and the clamping block (23) is provided with a locking bolt for locking the mounting block (22) in the mounting groove.
7. The high-temperature zone adjusting device of the rotary kiln as claimed in claim 6, characterized in that a temperature detecting probe (6) is further provided on the side of the adapter tube (32) close to the nozzle (33).
8. A high temperature zone regulation device of a rotary kiln according to claim 7, characterized in that the front end of the nozzle (33) is made of heat resistant alloy steel and the outer wall is provided with refractory castable (7).
9. A method for the regulation of the high temperature zone of a rotary kiln, characterized in that it is based on a device for the regulation of the high temperature zone of a rotary kiln according to any one of claims 1 to 8, the method comprising:
s1, observing the combustion condition in the hearth and determining a low-temperature (insufficient combustion) area;
s2, controlling the adjusting assembly (4) through the controller, further adjusting the oxygen spraying assembly (3) to face to a low-temperature (insufficient combustion) area, and simultaneously fixing the angle of the nozzle (33) through the fixing structure (46);
s3, supplementing oxygen into the hearth from the nozzle (33);
and S4, monitoring the temperature of one end of the nozzle (33) in real time by the temperature detection probe (6), and controlling the oxygen cabin (1) to close the oxygen supply channel by the controller when the temperature is overhigh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010383971.4A CN111504058A (en) | 2020-05-08 | 2020-05-08 | High-temperature area adjusting device and method for rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010383971.4A CN111504058A (en) | 2020-05-08 | 2020-05-08 | High-temperature area adjusting device and method for rotary kiln |
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| Publication Number | Publication Date |
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| CN111504058A true CN111504058A (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010383971.4A Pending CN111504058A (en) | 2020-05-08 | 2020-05-08 | High-temperature area adjusting device and method for rotary kiln |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116202318A (en) * | 2023-03-23 | 2023-06-02 | 连云港临海新材料有限公司 | Intelligent temperature adjusting device and method for petroleum coke calciner |
-
2020
- 2020-05-08 CN CN202010383971.4A patent/CN111504058A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116202318A (en) * | 2023-03-23 | 2023-06-02 | 连云港临海新材料有限公司 | Intelligent temperature adjusting device and method for petroleum coke calciner |
| CN116202318B (en) * | 2023-03-23 | 2024-02-06 | 连云港临海新材料有限公司 | Intelligent temperature adjusting device and method for petroleum coke calciner |
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