CN219449755U - Top combustion type hot-blast stove - Google Patents
Top combustion type hot-blast stove Download PDFInfo
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- CN219449755U CN219449755U CN202320427951.1U CN202320427951U CN219449755U CN 219449755 U CN219449755 U CN 219449755U CN 202320427951 U CN202320427951 U CN 202320427951U CN 219449755 U CN219449755 U CN 219449755U
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- protective cover
- hot blast
- protection
- heating ring
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Abstract
The utility model discloses a top combustion type hot blast stove, in particular to the field of hot blast stoves, which comprises: the upper end of the base is provided with a protection auxiliary component, and the rear end of the protection auxiliary component is provided with a top combustion type hot blast stove body; the hot air outlet pipeline is installed to top burning type hot blast stove body upper end front side, and protection auxiliary assembly includes: the preheating protection assembly and the adjusting assembly are arranged at the upper end of the adjusting assembly. The top combustion type hot blast stove of the utility model starts the heater after the preheating protection component is assembled, the annular heating ring is heated after the heater is started, the annular heating ring is heated, the high-temperature protection sleeve and the outer wall of the hot blast outlet pipeline are heated and insulated, and the hot blast outlet pipeline is heated and insulated through the annular heating ring, so that the problem that the service life of the hot blast outlet pipeline is reduced due to overlarge temperature difference between the inside and the outside of the hot blast outlet pipeline in winter is solved.
Description
Technical Field
The utility model relates to the field of hot blast stoves, in particular to a top-combustion hot blast stove.
Background
The top combustion type hot blast stove is a device for heating and blowing a blast furnace, and is an indispensable important component of a modern blast furnace. The most common of modern large blast furnaces is a regenerative checker brick hot blast stove, which can be divided into top combustion type, internal combustion type, external combustion type and the like according to combustion modes. The working principle is that coal gas is combusted firstly, the generated flue gas is used for heating checker bricks of a regenerator, cold air is heated through the hot checker bricks, and then the hot blast furnace alternately combusts and supplies air, so that the blast furnace continuously obtains high-temperature hot air.
The existing top combustion type hot blast stove needs to be conveyed through a hot air outlet pipeline in the process of conveying hot air, the hot air outlet pipeline connects a blast furnace with the hot blast stove, the hot air outlet pipeline is usually installed outside, when the equipment is used in winter, the temperature difference between the inside air and the outside air is large, the hot air outlet pipeline is easy to be damaged in an accelerating way, the service life of the hot air outlet pipeline is reduced, maintenance and replacement are needed after the equipment is used for a short time, the whole equipment is required to be stopped and waited during the maintenance and replacement of the hot air outlet pipeline, and the whole equipment is stopped and waited to influence the processing efficiency of the blast furnace.
Disclosure of Invention
The utility model mainly aims to provide a top combustion type hot blast stove which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
top-fired hot blast stove, comprising: the top combustion type hot blast stove comprises a base, wherein a protection auxiliary assembly is arranged at the upper end of the base, and a top combustion type hot blast stove body is arranged at the rear end of the protection auxiliary assembly; the hot air outlet pipeline is installed to top burning type hot blast stove body upper end front side, protection auxiliary assembly includes: the preheating protection assembly and the adjusting assembly, the lower end of the preheating protection assembly is arranged at the upper end of the adjusting assembly.
Preferably, the preheating guard assembly comprises: the high-temperature protective cover comprises a first outer protective cover, a high-temperature protective cover and a first assembly side plate, wherein a first clamping block is fixedly arranged at the lower end of the first outer protective cover; the inner side of the first outer protective cover is detachably provided with a second outer protective cover, and the lower end of the second outer protective cover is fixedly provided with a second clamping block; the upper end of the inner wall of the first assembling side plate is provided with a first clamping groove, and the lower end of the first assembling side plate is provided with a placing groove; a placing plate is detachably arranged in the placing groove, and a heater is arranged at the upper end of the placing plate; the upper end of the heater is provided with an annular heating ring, and a second assembling side plate is arranged opposite to the first assembling side plate; the inner wall of the high-temperature protective sleeve is attached to the outer wall of the hot air outlet pipeline, and the front end of the outer wall of the high-temperature protective sleeve penetrates through the annular heating ring.
Preferably, the adjusting assembly comprises: the lifting device comprises a connecting plate, a lifting rod and a controller, wherein an electric hydraulic cylinder is arranged at the lower end of the lifting rod, and the upper end of the lifting rod is fixedly arranged at the lower end of the connecting plate; the electric hydraulic cylinder lower extreme is installed in the base upper end, the controller lower extreme is installed in the base upper end.
Preferably, a second fastening groove is formed in the inner side of the upper end of the second assembling side plate, and the first fastening block and the second fastening block are detachably mounted in the first fastening groove and the second fastening groove.
Preferably, the length of the annular heating ring is the same as that of the high-temperature protective sleeve, and the diameter of the annular heating ring is larger than that of the outer wall of the high-temperature protective sleeve.
Preferably, the first outer protective cover and the second outer protective cover are both semi-arc-shaped, and the upper end of the first outer protective cover and the upper end of the second outer protective cover are assembled through bolts.
Preferably, the sum of the diameters of the first outer protective cover and the second outer protective cover is larger than the diameter of the outer wall of the annular heating ring, and the first outer protective cover and the second outer protective cover are sleeved on the outer wall of the annular heating ring.
Preferably, the first fastening groove, the second fastening groove, the first fastening block and the second fastening block are all T-shaped, and the placement plate is L-shaped.
Compared with the prior art, the utility model has the following beneficial effects:
1. the preheating protection assembly is assembled, the heater is started, the annular heating ring is heated after the heater is started, the annular heating ring is heated, the high-temperature protection sleeve and the outer wall of the hot air outlet pipeline are heated and insulated, and the problem that the service life of the hot air outlet pipeline is reduced due to overlarge temperature difference between the inside and outside of the hot air outlet pipeline in winter is solved after the hot air outlet pipeline is heated through the annular heating ring.
2. The second equipment curb plate has driven the preheating protection subassembly after the upward and downward movement and has accomplished the regulation work from top to bottom with first equipment curb plate, and adjusting part has reduced the equipment degree of difficulty of preheating protection subassembly through the regulation from top to bottom and has solved the problem of preheating protection subassembly equipment height, has further strengthened the practicality of whole device.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic side view of the overall structure of the present utility model;
FIG. 3 is a schematic view of the whole structure of the protection auxiliary assembly of the present utility model;
fig. 4 is a schematic diagram of the whole structure of the preheating protection assembly according to the present utility model:
fig. 5 is a schematic view of the overall structure of the adjusting assembly of the present utility model.
In the figure: 1. a base; 2. a protective auxiliary assembly; 21. preheating the protective component; 211. a second outside protective cover; 212. a second fastening block; 213. a high temperature protective sleeve; 214. a first outer protective cover; 215. a first fastening block; 216. an annular heating ring; 217. a heater; 218. placing a plate; 219. a first fastening groove; 210. a second fastening groove; 2101. a second assembled side plate; 2102. a first assembled side plate; 2103. a placement groove; 22. an adjustment assembly; 221. a splice plate; 222. a lifting rod; 223. an electro-hydraulic cylinder; 224. a controller; 3. a top combustion type hot blast stove body; 4. a hot air outlet pipe.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-3, a top-firing stove comprising: the hot blast stove comprises a base 1, wherein a protection auxiliary assembly 2 is arranged at the upper end of the base 1, and a top combustion type hot blast stove body 3 is arranged at the rear end of the protection auxiliary assembly 2; the hot blast discharge outlet pipeline 4 is installed to top combustion type hot blast stove body 3 upper end front side, and protection auxiliary assembly 2 includes: the preheating protection assembly 21 and the adjusting assembly 22, the lower end of the preheating protection assembly 21 is arranged at the upper end of the adjusting assembly 22.
As shown in fig. 4, the preheating prevention assembly 21 includes: the high-temperature protective cover 213 comprises a first outer protective cover 214, a high-temperature protective cover 2102 and a first assembly side plate 2102, wherein a first clamping block 215 is fixedly arranged at the lower end of the first outer protective cover 214; the second outer protective cover 211 is detachably arranged on the inner side of the first outer protective cover 214, and a second clamping block 212 is fixedly arranged at the lower end of the second outer protective cover 211; the upper end of the inner wall of the first assembling side plate 2102 is provided with a first buckling groove 219, and the lower end of the first assembling side plate 2102 is provided with a placing groove 2103; a placing plate 218 is detachably arranged in the placing groove 2103, and a heater 217 is arranged at the upper end of the placing plate 218; an annular heating ring 216 is arranged at the upper end of the heater 217, and a second assembling side plate 2101 is arranged opposite to the first assembling side plate 2102; the inner wall of the high-temperature protective sleeve 213 is attached to the outer wall of the hot air outlet pipeline 4, the front end of the outer wall of the high-temperature protective sleeve 213 penetrates through the annular heating ring 216, the inner side of the upper end of the second assembly side plate 2101 is provided with the second clamping groove 210, the first clamping block 215 and the second clamping block 212 are detachably arranged in the first clamping groove 219 and the second clamping groove 210, the length of the annular heating ring 216 is the same as that of the high-temperature protective sleeve 213, the diameter of the annular heating ring 216 is larger than that of the outer wall of the high-temperature protective sleeve 213, the first outer side protective cover 214 and the second outer side protective cover 211 are semi-arc-shaped, the upper end of the first outer side protective cover 214 and the upper end of the second outer side protective cover 211 are assembled through bolts, the sum of the diameters of the first outer side protective cover 214 and the second outer side protective cover 211 is larger than that of the outer wall of the annular heating ring 216, the first clamping groove 219, the second clamping groove 210, the first clamping block 215 and the second clamping block 212 are all T-shaped, and the placing plate 218 is L-shaped; when the assembly is used, the second outer protective cover 211 and the first outer protective cover 214 are assembled, after the first outer protective cover 214 and the second outer protective cover 211 are assembled, the placing plate 218 is placed in the placing groove 2103, the placing plate 218 is placed, the heater 217 and the annular heating ring 216 are assembled after the placing plate 218 is placed, the first outer protective cover 214 and the second outer protective cover 211 are assembled in the first buckling groove 219 and the second buckling groove 210 through the first buckling block 215 and the second buckling block 212 at the lower end after the annular heating ring 216 is assembled, the first outer protective cover 214 and the second outer protective cover 211 are assembled, the preheating protective assembly 21 is assembled, the heater 217 is started after the preheating protective assembly 21 is assembled, the annular heating ring 216 heats the outer wall of the high-temperature sleeve 213 and the hot air outlet pipeline 4 after the annular heating ring 216 is heated, and the service life of the hot air outlet 4 is reduced due to the fact that the temperature difference between the inner and outer pipelines 4 is used in winter is solved after the annular heating ring 216 is assembled.
Following the above practical example, as shown in fig. 5, the adjusting assembly 22 includes: the lifting device comprises a joint plate 221, a lifting rod 222 and a controller 224, wherein an electric hydraulic cylinder 223 is arranged at the lower end of the lifting rod 222, and the upper end of the lifting rod 222 is fixedly arranged at the lower end of the joint plate 221; the lower end of the electro-hydraulic cylinder 223 is arranged at the upper end of the base 1, and the lower end of the controller 224 is arranged at the upper end of the base 1; when the assembly is used, the electric hydraulic cylinder 223 is started to adjust the height of the assembly through the controller 224, when the preheating protection assembly 21 is installed, the height of the adjusting assembly 22 can be adjusted firstly, the adjusting assembly 22 is lifted through the lifting rod 222 at the upper end driven by the electric hydraulic cylinder 223 to carry out adjustment work, the lifting rod 222 is lifted to drive the connecting plate 221 at the upper end to move upwards, the connecting plate 221 is lifted to drive the second assembling side plate 2101 and the first assembling side plate 2102 at the upper end to move upwards and downwards, the second assembling side plate 2101 and the first assembling side plate 2102 are lifted to drive the preheating protection assembly 21 to finish up-down adjustment work, and the assembling difficulty of the preheating protection assembly 21 is reduced through up-down adjustment of the adjusting assembly 22, so that the assembly height of the preheating protection assembly 21 is further improved, and the practicability of the whole device is further improved.
It should be noted that, when the top combustion type hot blast stove is used, the assembly needs to assemble the second outer protecting cover 211 and the first outer protecting cover 214, after the first outer protecting cover 214 and the second outer protecting cover 211 are assembled, the placing plate 218 is placed in the placing groove 2103, the heater 217 and the annular heating ring 216 complete the assembly work after the placing plate 218 is placed, after the annular heating ring 216 completes the assembly work, the first outer protecting cover 214 and the second outer protecting cover 211 are assembled in the first buckling groove 219 and the second buckling groove 210 through the first buckling block 215 and the second buckling block 212 at the lower end after the independent assembly is completed, after the first outer protecting cover 214 and the second outer protecting cover 211 complete the assembly, the preheating protecting assembly 21 starts the heater 217 after the assembly is completed, the heater 217 is started to heat the annular heating ring 216, the annular heating ring 216 heats the high-temperature protective sleeve 213 and the outer wall of the hot air outlet pipeline 4 to perform heating and heat preservation, when the assembly is used, the electric hydraulic cylinder 223 is started to adjust the height of the assembly through the controller 224, when the preheating protective assembly 21 can be adjusted before being installed, the height of the adjusting assembly 22 can be adjusted through the electric hydraulic cylinder 223 to drive the lifting rod 222 at the upper end to lift, the lifting rod 222 drives the connecting plate 221 at the upper end to move upwards after lifting, the connecting plate 221 drives the second assembling side plate 2101 and the first assembling side plate 2102 at the upper end to move upwards and downwards, and the second assembling side plate 2101 and the first assembling side plate 2102 drive the preheating protective assembly 21 to perform up-down adjustment after moving upwards and downwards.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. Top-fired hot blast stove, characterized by comprising:
the hot blast stove comprises a base (1), wherein a protection auxiliary assembly (2) is arranged at the upper end of the base (1), and a top combustion type hot blast stove body (3) is arranged at the rear end of the protection auxiliary assembly (2);
the hot blast outlet pipeline (4) is installed to top burning formula hot blast furnace body (3) upper end front side, protection auxiliary assembly (2) include:
the preheating protection assembly (21) and the adjusting assembly (22), wherein the lower end of the preheating protection assembly (21) is arranged at the upper end of the adjusting assembly (22).
2. The top-firing stove according to claim 1, wherein: the pre-heat protection assembly (21) comprises:
the high-temperature protection device comprises a first outer protection cover (214), a high-temperature protection cover (213) and a first assembly side plate (2102), wherein a first clamping block (215) is fixed at the lower end of the first outer protection cover (214);
a second outer protective cover (211) is detachably arranged on the inner side of the first outer protective cover (214), and a second clamping block (212) is fixedly arranged at the lower end of the second outer protective cover (211);
the upper end of the inner wall of the first assembling side plate (2102) is provided with a first buckling groove (219), and the lower end of the first assembling side plate (2102) is provided with a placing groove (2103);
a placing plate (218) is detachably arranged in the placing groove (2103), and a heater (217) is arranged at the upper end of the placing plate (218);
an annular heating ring (216) is arranged at the upper end of the heater (217), and a second assembly side plate (2101) is arranged opposite to the first assembly side plate (2102);
the inner wall of the high-temperature protective sleeve (213) is attached to the outer wall of the hot air outlet pipeline (4), and the front end of the outer wall of the high-temperature protective sleeve (213) penetrates through the annular heating ring (216).
3. The top-firing stove according to claim 1, wherein: the adjustment assembly (22) comprises:
the lifting device comprises a joint plate (221), a lifting rod (222) and a controller (224), wherein an electric hydraulic cylinder (223) is arranged at the lower end of the lifting rod (222), and the upper end of the lifting rod (222) is fixedly arranged at the lower end of the joint plate (221);
the lower end of the electric hydraulic cylinder (223) is arranged at the upper end of the base (1), and the lower end of the controller (224) is arranged at the upper end of the base (1).
4. The top-firing stove according to claim 2, wherein: the second buckling groove (210) is formed in the inner side of the upper end of the second assembly side plate (2101), and the first buckling block (215) and the second buckling block (212) are detachably arranged in the first buckling groove (219) and the second buckling groove (210).
5. The top-firing stove according to claim 2, wherein: the length of the annular heating ring (216) is the same as that of the high-temperature protective sleeve (213), and the diameter of the annular heating ring (216) is larger than that of the outer wall of the high-temperature protective sleeve (213).
6. The top-firing stove according to claim 2, wherein: the first outer protective cover (214) and the second outer protective cover (211) are both semi-arc-shaped, and the upper end of the first outer protective cover (214) and the upper end of the second outer protective cover (211) are assembled through bolts.
7. The top-firing stove according to claim 2, wherein: the sum of the diameters of the first outer side protective cover (214) and the second outer side protective cover (211) is larger than the diameter of the outer wall of the annular heating ring (216), and the first outer side protective cover (214) and the second outer side protective cover (211) are sleeved on the outer wall of the annular heating ring (216).
8. The top-firing stove according to claim 2, wherein: the first buckling groove (219), the second buckling groove (210), the first buckling block (215) and the second buckling block (212) are all T-shaped, and the placing plate (218) is L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320427951.1U CN219449755U (en) | 2023-03-08 | 2023-03-08 | Top combustion type hot-blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320427951.1U CN219449755U (en) | 2023-03-08 | 2023-03-08 | Top combustion type hot-blast stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219449755U true CN219449755U (en) | 2023-08-01 |
Family
ID=87381309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320427951.1U Active CN219449755U (en) | 2023-03-08 | 2023-03-08 | Top combustion type hot-blast stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219449755U (en) |
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2023
- 2023-03-08 CN CN202320427951.1U patent/CN219449755U/en active Active
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