CN214892651U - Decomposing furnace with coal injection pipe adjusting structure - Google Patents
Decomposing furnace with coal injection pipe adjusting structure Download PDFInfo
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- CN214892651U CN214892651U CN202120885532.3U CN202120885532U CN214892651U CN 214892651 U CN214892651 U CN 214892651U CN 202120885532 U CN202120885532 U CN 202120885532U CN 214892651 U CN214892651 U CN 214892651U
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Abstract
The utility model relates to a dore furnace equipment technical field specifically is a dore furnace with coal injection pipe adjusts structure, including the dore furnace body, the coal injection installing port has been seted up to one side of dore furnace body, the inside fixedly connected with coal injection pipe body of coal injection installing port, the one end fixedly connected with metal steel band pipe of coal injection pipe body, the one end fixedly connected with rotating turret of metal steel band pipe, one side fixedly connected with dwang of rotating turret, the screw thread has been seted up on the surface of dwang, the one end fixedly connected with rolling disc of dwang. The utility model discloses a metal steel band pipe, rotating turret, dwang, screw thread, rolling disc and the rotation hole that sets up can realize carrying out quick angle modulation to the buggy of coal injection pipe body inside for coal injection pipe body can use different coal injection angles, carries out daily work, is fifteen to twenty degrees through adjustment coal injection angle and XZ cross-section, improves the combustion efficiency of dore furnace.
Description
Technical Field
The utility model relates to a decomposing furnace equipment technical field specifically is a decomposing furnace with coal injection pipe adjusts structure.
Background
The decomposing furnace is a core device of a pre-decomposing kiln system, and is a high-temperature multi-phase flow reactor integrating fuel combustion, heat transfer and raw material decomposition, a complex flow field of gas-solid two-phase flow, fuel combustion and raw material decomposition is arranged in the decomposing furnace, the raw material enters the decomposing furnace in a suspension dispersion mode after being preheated by a preheater and is mixed with tertiary air in the decomposing furnace and exhaust gas from a kiln, the suspended raw material absorbs heat released by the fuel combustion in the decomposing furnace to be decomposed, the fuel combustion and the raw material decomposition are rapidly carried out within about two seconds, and therefore the wind coal and the materials in the decomposing furnace are required to be fully mixed, so that the heat transfer efficiency and the mass transfer efficiency in the decomposing furnace can be improved, the decomposition rate of the raw material is improved, and the load of a rotary kiln is reduced.
The actual operation situation of dore furnace is related to the coal-injection pipe body position of dore furnace, reasonable in design's coal-injection pipe body position can not only make fuel obtain abundant burning, the decomposition rate of raw material also can reach the requirement of rotary kiln, the utilization ratio of solid useless resource can further promote, and can reduce NOx's emission still, current coal-injection pipe body is owing to do not have better adjustment mechanism, carry out the effectual regulation of angle at coal-injection pipe body, cause the pollutant to discharge high easily when daily use, the raw material decomposition rate is on the low side the scheduling problem, consequently, need to design a dore furnace that has coal-injection pipe and adjust the structure and solve above-mentioned problem urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dore furnace with coal injection pipe adjusts structure to propose current coal injection pipe body in solving above-mentioned background art and because do not have better adjustment mechanism, carry out the effectual regulation of angle at coal injection pipe body, cause the pollutant to discharge easily when daily use high, the raw material decomposition rate subalternation problem.
In order to achieve the above object, the utility model provides a following technical scheme: a decomposing furnace with a coal injection pipe adjusting structure comprises a decomposing furnace body, wherein a coal injection mounting opening is formed in one side of the decomposing furnace body, a coal injection pipe body is fixedly connected to the inside of the coal injection mounting opening, a metal steel belt pipe is fixedly connected to one end of the coal injection pipe body, a rotating frame is fixedly connected to one end of the metal steel belt pipe, a rotating rod is fixedly connected to one side of the rotating frame, threads are formed in the surface of the rotating rod, a rotating disc is fixedly connected to one end of the rotating rod, a rotating hole is formed in the surface of the decomposing furnace body, the rotating hole and the threads are matched with each other, a stabilizing frame is arranged at one end of the rotating frame, a first spring assembly is fixedly connected to one side of the inner wall of the stabilizing frame, a first stabilizing plate is fixedly connected to one end of the first spring assembly, and a second spring assembly is fixedly connected to the other side of the inner wall of the stabilizing frame, one end of the second spring assembly is fixedly connected with a second stabilizing plate.
Preferably, clamping soft blocks are arranged on the surfaces of the first stabilizing plate and the second stabilizing plate, and the clamping soft blocks are made of glass wool.
Preferably, the first stabilizing plate and the second stabilizing plate are designed in a butt joint mode, and the metal steel belt pipe is matched with the first stabilizing plate and the second stabilizing plate.
Preferably, the other end of the rotating frame is fixedly connected with a connecting pipe, and one end of the connecting pipe is fixedly connected with a spray head assembly.
Preferably, the surface of the decomposing furnace body is provided with a tertiary air mounting opening, and a tertiary air pipe is fixedly connected inside the tertiary air mounting opening.
Preferably, the other side of the decomposing furnace body is provided with a raw material pipe, and the bottom of the decomposing furnace body is fixedly connected with a kiln tail smoke receiving pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this dore furnace with coal injection pipe body adjusts structure, metal steel strip pipe through setting up, the rotating turret, the dwang, the screw thread, rolling disc and rotation hole, can realize carrying out quick angle modulation to the inside buggy of coal injection pipe body, make coal injection pipe body can use different coal injection angles, carry out daily work, be fifteen to twenty degrees with the XZ cross-section through adjusting coal injection angle, improve dore furnace's combustion efficiency, to coal injection angle and velocity field, the temperature field, NOx formation volume, law between the raw material decomposition rate, it confirms the best theoretical coal injection angle to generate demand analysis, and test on the theoretical basis of this coal injection angle, optimize, confirm the rationalization coal injection angle that satisfies the demand.
2. This dore furnace with coal injection pipe body adjusts structure, metal steel band pipe through setting up, firm frame, first spring unit, first firm board, second spring unit, firm board of second and centre gripping soft piece, make the reasonable protection to metal steel band pipe, guarantee that the efficiency of spouting the material can not appear changing, adopt to enlarge coal wind pipe sectional area and reduce coal wind speed, control coal wind speed twenty to twenty two meters per second, improve buggy combustion effect, adopt smooth processing with coal pipe corner, through enlarging corner angle, circular arc chamfer or water conservancy diversion are handled and are reduced the curvy, reduce the pipeline resistance.
Drawings
Fig. 1 is a schematic perspective view of the structure of the present invention;
FIG. 2 is a schematic view of the connection between the rotating rod and the rotating frame structure of the present invention;
FIG. 3 is a general view of the structure of the fixing frame of the present invention;
fig. 4 is an enlarged schematic view of a structure a in fig. 1 according to the present invention.
In the figure: 1. a decomposing furnace body; 2. a coal injection mounting port; 3. a coal injection pipe body; 4. a metal steel strip pipe; 5. a rotating frame; 6. rotating the rod; 7. a thread; 8. rotating the disc; 9. rotating the hole; 10. a stabilizing frame; 11. a first spring assembly; 12. a first stabilizing plate; 13. a second spring assembly; 14. a second stabilizing plate; 15. clamping the soft block; 16. a connecting pipe; 17. a showerhead assembly; 18. a tertiary air mounting port; 19. a tertiary air pipe; 20. a green pipe; 21. kiln tail cigarette receiver tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment:
a decomposing furnace with a coal injection pipe adjusting structure comprises a decomposing furnace body 1, one side of the decomposing furnace body 1 is provided with a coal injection mounting opening 2, the inside of the coal injection mounting opening 2 is fixedly connected with a coal injection pipe body 3, one end of the coal injection pipe body 3 is fixedly connected with a metal steel strip pipe 4, one end of the metal steel strip pipe 4 is fixedly connected with a rotating frame 5, one side of the rotating frame 5 is fixedly connected with a rotating rod 6, the surface of the rotating rod 6 is provided with a thread 7, one end of the rotating rod 6 is fixedly connected with a rotating disc 8, the surface of the decomposing furnace body 1 is provided with a rotating hole 9, the rotating hole 9 and the thread 7 are mutually matched, one end of the rotating frame 5 is provided with a stabilizing frame 10, the inner wall of the stabilizing frame 10 is provided with a first spring assembly 11, one end of the first spring assembly 11 is fixedly connected with a first stabilizing plate 12, the other side of the inner wall of the stabilizing frame 10 is fixedly connected with a second spring assembly 13, one end of the second spring assembly 13 is fixedly connected with a second stabilizing plate 14, the other end of the rotating frame 5 is fixedly connected with a connecting pipe 16, one end of the connecting pipe 16 is fixedly connected with a spray nozzle assembly 17, the other side of the decomposing furnace body 1 is provided with a raw material pipe 20, the bottom of the decomposing furnace body 1 is fixedly connected with a kiln tail smoke receiving pipe 21, and according to a NOx formation mechanism, when sprayed coal powder meets high-concentration oxygen, an intermediate product HCN generated by N subjected to volatilization analysis reacts with oxygen to produce NOx. The coal injection pipe body 3 of the original decomposing furnace is close to tertiary air, a large amount of oxygen carried by the tertiary air meets coal powder, a large amount of NOx is generated when the coal powder is combusted to consume the oxygen, local high-concentration NOx is generated (the highest concentration can reach one thousand two ppm), angles of the coal injection pipe bodies 3 of fifteen degrees, thirty degrees, forty-five degrees and sixty degrees are still adopted, the overall distribution condition of the NOx quality is observed, the rule of the NOx emission amount and the coal injection angle is obtained, the optimal theoretical coal injection angle is determined according to the analysis of the generation requirements of the company according to the rule between the obtained coal injection angle and a speed field, a temperature field, the NOx generation amount and the raw material decomposition rate, and the reasonable coal injection angle meeting the requirements is determined by performing experiments and optimization on the theoretical basis of the coal injection angle.
Further, the surfaces of the first stabilizing plate 12 and the second stabilizing plate 14 are provided with clamping soft blocks 15, the clamping soft blocks 15 are made of glass wool, the first stabilizing plate 12 and the second stabilizing plate 14 are designed in a butt joint mode, the metal steel belt pipe 4 is matched with the first stabilizing plate 12 and the second stabilizing plate 14, and the first stabilizing plate 12 and the second stabilizing plate 14 can keep the metal steel belt pipe 4 to be stably adjusted under the action of the first spring assembly 11 and the second spring assembly 13.
Further, the surface of the decomposing furnace body 1 is provided with a tertiary air mounting hole 18, the inside fixedly connected with tertiary air pipe 19 of the tertiary air mounting hole 18 changes the coal injection pipe body 3 below the tertiary air pipe 19, and is parallel and level with the refractory material section in the decomposing furnace body 1, and adopts smooth processing with the coal pipe corner simultaneously, reduces the dead bend through enlarging corner angle, circular arc chamfer or water conservancy diversion processing, reduces the pipeline resistance.
The working principle is as follows: during the use, the user at first through rotating rolling disc 8, drive rotating turret 5 and rotate the operation, make rotating turret 5 drive connecting pipe 16 of shower nozzle subassembly 17 one end and carry out the regulation of angle, according to the in-service behavior of reality, carry out timely adjustment, make inside reaction, be in controllable state constantly, reach output and improve, the coal consumption reduces, the effect that solid useless utilization ratio improves, metal steel band pipe 4 is in the effect of firm frame 10 in the accommodation process simultaneously, when guaranteeing stable regulation, also can accomplish coal pipe corner and adopt smooth processing, through enlarging turning angle, circular arc chamfer or water conservancy diversion are handled and are reduced the curvy, reduce the pipe resistance, further the spraying that reduces the buggy receives the crooked influence of pipeline, production efficiency obviously promotes, do above the utility model discloses a whole theory of operation.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a dore furnace with coal injection pipe adjusts structure, includes dore furnace body (1), its characterized in that: a coal injection mounting port (2) is formed in one side of the decomposing furnace body (1), a coal injection pipe body (3) is fixedly connected to the inside of the coal injection mounting port (2), a metal steel strip pipe (4) is fixedly connected to one end of the coal injection pipe body (3), a rotating frame (5) is fixedly connected to one end of the metal steel strip pipe (4), a rotating rod (6) is fixedly connected to one side of the rotating frame (5), threads (7) are formed in the surface of the rotating rod (6), a rotating disc (8) is fixedly connected to one end of the rotating rod (6), a rotating hole (9) is formed in the surface of the decomposing furnace body (1), the rotating hole (9) and the threads (7) are matched with each other, a stabilizing frame (10) is arranged at one end of the rotating frame (5), and a first spring assembly (11) is fixedly connected to one side of the inner wall of the stabilizing frame (10), one end of the first spring assembly (11) is fixedly connected with a first stabilizing plate (12), the other side of the inner wall of the stabilizing frame (10) is fixedly connected with a second spring assembly (13), and one end of the second spring assembly (13) is fixedly connected with a second stabilizing plate (14).
2. The decomposition furnace with a coal injection pipe adjusting structure according to claim 1, wherein: the surface of the first stabilizing plate (12) and the surface of the second stabilizing plate (14) are both provided with clamping soft blocks (15), and the clamping soft blocks (15) are made of glass wool.
3. The decomposition furnace with a coal injection pipe adjusting structure according to claim 1, wherein: the first stabilizing plate (12) and the second stabilizing plate (14) are designed in a butt joint mode, and the metal steel strip pipe (4) is matched with the first stabilizing plate (12) and the second stabilizing plate (14) mutually.
4. The decomposition furnace with a coal injection pipe adjusting structure according to claim 1, wherein: the other end of the rotating frame (5) is fixedly connected with a connecting pipe (16), and one end of the connecting pipe (16) is fixedly connected with a spray head assembly (17).
5. The decomposition furnace with a coal injection pipe adjusting structure according to claim 1, wherein: the surface of the decomposing furnace body (1) is provided with a tertiary air mounting hole (18), and a tertiary air pipe (19) is fixedly connected inside the tertiary air mounting hole (18).
6. The decomposition furnace with a coal injection pipe adjusting structure according to claim 1, wherein: the other side of the decomposing furnace body (1) is provided with a raw material pipe (20), and the bottom of the decomposing furnace body (1) is fixedly connected with a kiln tail smoke receiving pipe (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202120885532.3U CN214892651U (en) | 2021-04-27 | 2021-04-27 | Decomposing furnace with coal injection pipe adjusting structure |
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| CN202120885532.3U CN214892651U (en) | 2021-04-27 | 2021-04-27 | Decomposing furnace with coal injection pipe adjusting structure |
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| CN214892651U true CN214892651U (en) | 2021-11-26 |
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| CN202120885532.3U Active CN214892651U (en) | 2021-04-27 | 2021-04-27 | Decomposing furnace with coal injection pipe adjusting structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115031230A (en) * | 2022-06-09 | 2022-09-09 | 安徽锐星节能科技有限公司 | Omnibearing kiln tail coal sprayer of combustor, use method and combustor |
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2021
- 2021-04-27 CN CN202120885532.3U patent/CN214892651U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115031230A (en) * | 2022-06-09 | 2022-09-09 | 安徽锐星节能科技有限公司 | Omnibearing kiln tail coal sprayer of combustor, use method and combustor |
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