CN216011728U - Flue gas furnace structure for preventing flue gas furnace shell from being overheated - Google Patents
Flue gas furnace structure for preventing flue gas furnace shell from being overheated Download PDFInfo
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- CN216011728U CN216011728U CN202121856388.7U CN202121856388U CN216011728U CN 216011728 U CN216011728 U CN 216011728U CN 202121856388 U CN202121856388 U CN 202121856388U CN 216011728 U CN216011728 U CN 216011728U
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Abstract
The utility model relates to the technical field of flue gas furnace equipment, in particular to a flue gas furnace structure for preventing a flue gas furnace shell from being overheated, which comprises a furnace body, wherein a combustion chamber and a flue gas mixing barrel which are mutually communicated are sequentially arranged inside the furnace body from right to left, the right end of the furnace body is provided with an installation opening for connecting the combustion chamber, the left end of the furnace body is provided with a flue gas discharge opening communicated with an external flue, the left end of the furnace body is also provided with a material opening, the inner wall of the furnace body is provided with a first heat insulation pouring layer, and the inner wall of the combustion chamber is provided with a second heat insulation pouring layer; according to the utility model, the first heat insulation pouring layer is arranged on the inner wall of the furnace body, and the second heat insulation pouring layer is arranged on the inner wall of the combustion chamber, so that high temperature generated in the combustion chamber is better separated from the outer wall of the furnace body shell, the temperature of the outer wall of the furnace body shell is basically close to the outdoor temperature, the phenomenon of overheating of the furnace body shell is avoided, the safety in use is improved, and a safe working environment is provided for operators.
Description
Technical Field
The utility model relates to the technical field of flue gas furnace equipment, in particular to a flue gas furnace structure for preventing the temperature of a flue gas furnace shell from being overheated.
Background
The flue gas furnace is used as important equipment for drying pulverized coal injected by a blast furnace, and plays a key role in the safe and stable operation of a coal injection and pulverization system. The currently used flue gas furnace generally has the following defects: the temperature of the furnace body shell is 120-200 ℃ in normal use. Although the service life of the furnace body is not influenced, the temperature is influenced by field operators and system maintenance personnel, the radiation of the ambient temperature and the contact with the outer wall can cause certain damage to the personnel, and the risk exists in the production application.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a flue gas furnace structure for preventing the temperature of a flue gas furnace shell from being overheated.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the structure comprises a furnace body, wherein a combustion chamber and a flue gas mixing barrel which are communicated with each other are sequentially arranged in the furnace body from right to left, a mounting hole for connecting the combustion chamber is formed in the right end of the furnace body, a flue gas discharge hole communicated with an external flue is formed in the left end of the furnace body, and a material port is formed in the left end of the furnace body;
a waste gas flowing cavity is formed between the inner wall of the furnace body and the outer wall of the combustion chamber, the waste gas flowing cavity is communicated with the inside of the combustion chamber, and a waste gas inlet hole communicated with the waste gas flowing cavity is formed in the outer wall of the flue gas mixing cylinder;
the inner wall of the furnace body is provided with a first heat insulation pouring layer, and the inner wall of the combustion chamber is provided with a second heat insulation pouring layer.
Preferably, the outer wall of the furnace body is provided with a temperature measuring pipe communicated with the interior of the combustion chamber and used for detecting the temperature in the combustion chamber and a side pressure pipe used for detecting the pressure in the combustion chamber.
Preferably, the first heat insulation pouring layer comprises a first steel bar reinforcement and a light high-strength pouring material, the first steel bar reinforcement is arranged on the inner wall of the furnace body, and the light high-strength pouring material is poured on the inner wall of the furnace body and covers the first steel bar reinforcement.
Preferably, the second heat insulation pouring layer comprises a second reinforcing steel bar reinforcing part and a low-cement pouring material, the second reinforcing steel bar reinforcing part is arranged on the inner wall of the combustion chamber, and the low-cement pouring material is poured on the inner wall of the combustion chamber and covers the second reinforcing steel bar reinforcing part.
Has the advantages that: according to the utility model, the first heat insulation pouring layer is arranged on the inner wall of the furnace body, and the second heat insulation pouring layer is arranged on the inner wall of the combustion chamber, so that high temperature generated in the combustion chamber is better separated from the outer wall of the furnace body shell, the temperature of the outer wall of the furnace body shell is basically close to the outdoor temperature, the phenomenon of overheating of the furnace body shell is avoided, the safety in use is improved, and a safe working environment is provided for operators.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments of the present invention are briefly described below.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 1;
1-furnace body, 2-light high-strength casting material, 3-reinforcing steel bar first, 4-combustion chamber, 5-low cement casting material, 6-reinforcing steel bar second, 7-waste gas flowing cavity, 8-pressure measuring pipe, 9-temperature measuring pipe, 10-flue gas mixing cylinder, 11-waste gas inlet hole and 12-flue gas outlet hole.
Detailed Description
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.
Referring to fig. 1 to 3, the flue gas furnace structure for preventing the temperature of the outer shell of the flue gas furnace from being overheated comprises a furnace body 1, wherein a combustion chamber 4 and a flue gas mixing cylinder 10 which are communicated with each other are sequentially arranged inside the furnace body 1 from right to left, a mounting hole for connecting the combustion chamber is arranged at the right end of the furnace body 1, a flue gas discharge hole 12 communicated with an external flue is arranged at the left end of the furnace body 1, and a material port is also arranged at the left end of the furnace body 1;
a waste gas flowing cavity 7 is formed between the inner wall of the furnace body 1 and the outer wall of the combustion chamber 4, the waste gas flowing cavity 7 is communicated with the interior of the combustion chamber 4, a waste gas inlet hole 11 communicated with the waste gas flowing cavity 7 is formed in the outer wall of the flue gas mixing cylinder 10 and used for mixing high-temperature flue gas and waste gas, and the mixed gas is finally discharged to an external flue from a flue gas discharge port 12;
the inner wall of the furnace body 1 is provided with a first heat insulation pouring layer, and the inner wall of the combustion chamber 4 is provided with a second heat insulation pouring layer.
In this embodiment, the outer wall of the furnace body 1 is provided with a temperature measuring tube 9 for detecting the temperature in the combustion chamber 4 and a side pressure tube 8 for detecting the pressure in the combustion chamber 4, which communicate with the inside of the combustion chamber 4.
In this embodiment, the first heat-insulating pouring layer comprises a first steel bar reinforcement 3 and a light-weight high-strength pouring material 2, the first steel bar reinforcement 3 is arranged on the inner wall of the furnace body 1, and the light-weight high-strength pouring material 2 is poured on the inner wall of the furnace body 1 and covers the first steel bar reinforcement 3.
In this embodiment, the second heat insulation pouring layer includes a second steel reinforcement 6 and a low cement pouring material 5, the second steel reinforcement 6 is disposed on the inner wall of the combustion chamber 4, and the low cement pouring material 5 is poured on the inner wall of the combustion chamber 4 and covers the second steel reinforcement 6.
According to the utility model, the first heat insulation pouring layer is arranged on the inner wall of the furnace body 1, and the second heat insulation pouring layer is arranged on the inner wall of the combustion chamber 4, so that high temperature generated in the combustion chamber 4 is better separated from the outer wall of the shell of the furnace body 1, the temperature of the outer wall of the shell of the furnace body 1 is basically close to the outdoor temperature, the phenomenon of overheating of the shell of the furnace body 1 is avoided, the safety in use is improved, and a safe working environment is provided for operators.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (4)
1. A flue gas furnace structure for preventing the temperature of a flue gas furnace shell from being overheated comprises a furnace body (1) and is characterized in that a combustion chamber (4) and a flue gas mixing barrel (10) which are communicated with each other are sequentially arranged inside the furnace body (1) from right to left, a mounting hole for connecting the combustion chamber (4) is formed in the right end of the furnace body (1), a flue gas discharge hole (12) communicated with an external flue is formed in the left end of the furnace body (1), and a material port is further formed in the left end of the furnace body (1);
a waste gas flowing cavity (7) is formed between the inner wall of the furnace body (1) and the outer wall of the combustion chamber (4), the waste gas flowing cavity (7) is communicated with the interior of the combustion chamber (4), and a waste gas inlet hole (11) communicated with the waste gas flowing cavity (7) is formed in the outer wall of the flue gas mixing cylinder (10);
the inner wall of the furnace body (1) is provided with a first heat insulation pouring layer, and the inner wall of the combustion chamber (4) is provided with a second heat insulation pouring layer.
2. The structure of a flue gas furnace for preventing the temperature of the outer shell of the flue gas furnace from being overheated according to claim 1, characterized in that a temperature measuring pipe (9) communicated with the inside of the combustion chamber (4) and used for detecting the temperature in the combustion chamber (4) and a side pressure pipe (8) used for detecting the pressure in the combustion chamber (4) are arranged on the outer wall of the furnace body (1).
3. The structure of the flue gas furnace for preventing the temperature of the outer shell of the flue gas furnace from being overheated according to the claim 1, wherein the heat insulation pouring layer comprises a first reinforcing steel bar reinforcement (3) and a first light-weight high-strength pouring material (2), the first reinforcing steel bar reinforcement (3) is arranged on the inner wall of the furnace body (1), and the first light-weight high-strength pouring material (2) is poured on the inner wall of the furnace body (1) and covers the first reinforcing steel bar reinforcement (3).
4. The structure of the flue gas furnace for preventing the temperature of the outer shell of the flue gas furnace from being overheated according to the claim 1, wherein the two heat insulation pouring layers comprise a second reinforcing steel bar (6) and a low cement pouring material (5), the second reinforcing steel bar (6) is arranged on the inner wall of the combustion chamber (4), and the low cement pouring material (5) is poured on the inner wall of the combustion chamber (4) and covers the second reinforcing steel bar (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121856388.7U CN216011728U (en) | 2021-08-09 | 2021-08-09 | Flue gas furnace structure for preventing flue gas furnace shell from being overheated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121856388.7U CN216011728U (en) | 2021-08-09 | 2021-08-09 | Flue gas furnace structure for preventing flue gas furnace shell from being overheated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216011728U true CN216011728U (en) | 2022-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121856388.7U Active CN216011728U (en) | 2021-08-09 | 2021-08-09 | Flue gas furnace structure for preventing flue gas furnace shell from being overheated |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216011728U (en) |
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2021
- 2021-08-09 CN CN202121856388.7U patent/CN216011728U/en active Active
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