CN117146437A - Energy-saving high-temperature low-oxygen hot-blast stove - Google Patents
Energy-saving high-temperature low-oxygen hot-blast stove Download PDFInfo
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- CN117146437A CN117146437A CN202310986237.0A CN202310986237A CN117146437A CN 117146437 A CN117146437 A CN 117146437A CN 202310986237 A CN202310986237 A CN 202310986237A CN 117146437 A CN117146437 A CN 117146437A
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- pipe
- heat
- heating
- body shell
- heat preservation
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- 239000001301 oxygen Substances 0.000 title claims abstract description 19
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 73
- 238000004321 preservation Methods 0.000 claims description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 239000000779 smoke Substances 0.000 claims description 21
- 238000005192 partition Methods 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000003517 fume Substances 0.000 claims description 4
- 239000000446 fuel Substances 0.000 abstract description 9
- 238000004134 energy conservation Methods 0.000 abstract description 5
- 125000004122 cyclic group Chemical group 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000013021 overheating Methods 0.000 abstract description 3
- 238000004781 supercooling Methods 0.000 abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 11
- 239000003546 flue gas Substances 0.000 description 11
- 239000010410 layer Substances 0.000 description 9
- 238000009413 insulation Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 241000270295 Serpentes Species 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
- F24H3/08—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes
- F24H3/088—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes using solid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/12—Air heaters with additional heating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0052—Details for air heaters
- F24H9/0073—Arrangement or mounting of means for forcing the circulation of air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/02—Casings; Cover lids; Ornamental panels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1877—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/189—Arrangement or mounting of combustion heating means, e.g. grates or burners using solid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0014—Recuperative heat exchangers the heat being recuperated from waste air or from vapors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
- F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Solid-Fuel Combustion (AREA)
Abstract
The invention belongs to the technical field of hot blast stoves, and discloses an energy-saving high-temperature low-oxygen hot blast stove which comprises a stove body shell and a heating inner container, wherein a fan and a stove door are arranged on the outer side of the stove body shell, which is close to the bottom, the heating inner container is provided with an ash outlet door, which is positioned below the stove body shell, and a grate is arranged on the heating inner container. According to the scheme, through designing a plurality of heating cavities and a plurality of heat exchange tubes, continuous heating of air and cyclic utilization of fuel can be realized, the heat utilization rate is improved, so that the heat efficiency of the hot blast stove is improved, the consumption of fuel can be reduced, the purpose of energy conservation is achieved, heat can be transferred and balanced through the heat exchange tubes between the cavities, the air can be correspondingly heated when passing through each cavity, the problems of overheating or supercooling and the like caused by the use of a single cavity are avoided, and the uniformity of the heating effect of the hot blast stove is ensured.
Description
Technical Field
The invention relates to the technical field of hot blast stoves, in particular to an energy-saving high-temperature low-oxygen hot blast stove.
Background
A high temperature low oxygen hot blast stove is a device for heating or drying which generates a high temperature and low oxygen environment by mixing fuel and air, providing a heat source for a specific industrial process. The high-temperature low-oxygen hot blast stove is widely applied to various industries, such as the fields of metallurgy, chemical industry, building materials, textile, food processing and the like.
The current hot-blast furnace adopts single cavity to heat generally, and this kind of mode can appear the overheated or supercooled problem of heat, and the hot-blast furnace can produce a large amount of flue gas in the use, and the flue gas is discharged to the air and can lead to air pollution not handled, and the flue gas inside contains a large amount of heat, and the heat is discharged to nature, can not be recycled again, leads to extravagant.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an energy-saving high-temperature low-oxygen hot blast stove.
In order to solve the problems, the invention adopts the following technical scheme.
The energy-saving high-temperature low-oxygen hot blast stove comprises a stove body shell and a heating inner container, wherein a fan and a stove door are arranged on the outer side of the stove body shell, which is close to the bottom, the heating inner container is provided with an ash outlet door, which is positioned below the stove body shell, and a grate is arranged on the heating inner container.
Two layers of partition plates are arranged between the furnace body shell and the heating inner container from bottom to top, the two layers of partition plates divide the space between the furnace body shell and the heating inner container into three heating cavities from bottom to top, the fan is close to the heating cavity at the lowest layer, and a plurality of heat exchange tubes are arranged on the heating inner container in an inserted mode.
The heat exchange tube comprises a transverse tube horizontally inserted in the lowest heating cavity, an inclined tube obliquely arranged to connect the lowest heating cavity with the middle heating cavity, and an inclined tube obliquely arranged to communicate the middle heating cavity with the uppermost heating cavity.
The heating furnace is characterized in that a hot air pipe joint communicated with the heating cavity at the uppermost layer is arranged on the furnace body shell, a first smoke exhaust pipe communicated with the heating liner is arranged at the top of the furnace body shell, a heat preservation component is arranged on the surface of the furnace body shell, and the heat preservation component is connected with the first smoke exhaust pipe.
As a further description of the above technical solution: the smoke exhaust pipe I is provided with a filter disc, the cross section of the filter disc is of a cross-shaped structure, the left end and the right end of the filter disc are both in a grid-shaped structure, and the diameter of the mesh at the left end of the filter disc is larger than that of the mesh at the right end of the filter disc.
As a further description of the above technical solution: the heat preservation subassembly includes the heat preservation cover with furnace body shell surface fixed connection, be provided with in the heat preservation cover and be the coiling of snake disk and continuous laminated board, the inside and outside both sides of laminated board are heat preservation cover and furnace body shell fixed connection respectively, be provided with the heat pipe of snake disk on the laminated board, the one end and the first pipe of discharging fume of heat pipe are connected, the other end of heat pipe is connected with the second pipe of discharging fume.
As a further description of the above technical solution: the heat preservation cover top is provided with the inlet tube that is linked together with its inside, the bottom of heat preservation cover is provided with the outlet pipe that is linked together with its inside, the link of heat pipe and first exhaust pipe is close to the below of heat preservation cover, second exhaust pipe is close to the top of heat preservation cover.
As a further description of the above technical solution: the heat preservation cover is provided with a circulating pump, the input end and the output end of the circulating pump are respectively communicated with a connecting pipe, the two connecting pipes are respectively communicated with a water inlet pipe and a water outlet pipe, and valves are respectively arranged on the water inlet pipe, the water outlet pipe and the connecting pipes.
As a further description of the above technical solution: the water outlet pipe is connected with a heat exchange box, an air inlet pipe is arranged on the heat exchange box in an inserted mode, the air inlet pipe is communicated with the fan, and the part of the air inlet pipe, which is positioned in the heat exchange box, is in a spiral winding shape.
Compared with the prior art, the invention has the advantages that:
1. according to the scheme, the continuous heating of air and the cyclic utilization of fuel can be realized through the design of the heating cavities and the heat exchange tubes, the utilization rate of heat is improved, so that the heat efficiency of the hot blast stove is improved, the consumption of fuel can be reduced, and the purpose of energy conservation is achieved.
2. According to the scheme, heat can be transferred and balanced through the heat exchange tubes between the chambers, so that air can be correspondingly heated when passing through each chamber, the problems of overheating or supercooling and the like caused by the use of a single chamber are avoided, and the uniformity of the heating effect of the hot blast stove is ensured.
3. This scheme is provided with the heat preservation subassembly at the surface of furnace body shell, is forming the heat preservation to the furnace body shell, realizes the thermal utilization in the flue gas, further improves energy utilization efficiency, reduces the heat loss of furnace body self.
4. According to the scheme, heat exchange water can be introduced into the heat preservation cover through the water inlet pipe and the water outlet pipe, the heat can be recycled through the cooperation of the heat conduction pipe, and the design that the flow direction of the flue gas is opposite to that of water is adopted by discharging the flue gas downwards and upwards, so that the heat can be transferred more fully when the flue gas is in contact with the convection of water and the water flow, and the heat exchange efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of a heating liner of the present invention;
FIG. 3 is a schematic view of the structure of the filter tray of the present invention;
FIG. 4 is a cross-sectional view of the heat exchange box of the present invention;
FIG. 5 is a schematic view of the connection structure of the heat exchange tube and the heating liner.
The reference numerals in the figures illustrate:
1. a furnace body shell; 2. heating the inner container; 3. a blower; 4. a furnace door; 5. an ash outlet door;
6. a grate; 7. a partition plate; 8. a heating chamber; 9. a heat exchange tube; 10. a first smoke exhaust pipe;
11. a thermal insulation assembly; 111. a thermal insulation cover; 112. a laminated board; 113. a heat conduction pipe; 114. a second smoke exhaust pipe; 115. a water inlet pipe; 116. a water outlet pipe; 117. a circulation pump; 118. a connecting pipe;
12. a filter tray; 13. a heat exchange box; 14. an air inlet pipe; 15. a hot air pipe joint.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
Example 1
Referring to fig. 1-5, the energy-saving high temperature low oxygen hot blast stove comprises a stove body shell 1 and a heating inner container 2, wherein a fan 3 and a stove door 4 are arranged on the outer side of the stove body shell 1 near the bottom, an ash outlet door 5 is arranged on the heating inner container 2 and below the stove body shell 1, a grate 6 is arranged on the heating inner container 2, a hot air pipe joint 15 communicated with the uppermost heating cavity 8 is arranged on the stove body shell 1, a first smoke exhaust pipe 10 communicated with the heating inner container 2 is arranged at the top of the stove body shell 1, and a plurality of heat exchange pipes 9 are alternately arranged on the heating inner container 2
The hot blast stove sends external cold air into an interlayer of a furnace body shell 1 and a heating liner 2 through a fan 3 at the bottom, and forms high-temperature low-oxygen hot gas through fuel combustion and heating of an internal heat exchange tube 9.
Referring to fig. 2 and 5, two layers of partition plates 7 are arranged between the furnace body shell 1 and the heating inner container 2 from bottom to top, the two layers of partition plates 7 divide the space between the furnace body shell 1 and the heating inner container 2 into three heating cavities 8 from bottom to top, and the fan 3 is close to the heating cavity 8 at the lowest layer; the heat exchange tube 9 comprises a transverse tube horizontally inserted in the lowest heating cavity 8 and an inclined tube obliquely arranged to connect the lowest heating cavity 8 with the middle heating cavity 8 and an inclined tube obliquely arranged to communicate the middle heating cavity 8 with the uppermost heating cavity 8;
above-mentioned structure separates into a plurality of heating chamber 8 between furnace body shell 1 and the heating inner bag 2 through baffle 7 to can realize the indirect intercommunication of three cavity through the heat transfer pipe 9 that horizontal and slope set up, get into the heating chamber 8 of lower floor through fan 3 extraction when outside air, through the heating of fuel burning and heat transfer pipe 9, the gradual heating, after the heating chamber 8 in centre and the uppermost layer of process, the air obtains further heating, reaches required temperature.
The continuous heating of air and the cyclic utilization of fuel can be realized by arranging the plurality of chambers, and the utilization rate of heat is improved, so that the heat efficiency of the hot blast stove is improved, the consumption of fuel can be reduced, and the purpose of energy conservation is achieved;
in addition, heat can be transferred and balanced through the heat exchange tube 9 between the chambers, so that air can be correspondingly heated when passing through each chamber, the problems of overheating or supercooling and the like caused by the use of a single chamber are avoided, and the uniformity of the heating effect of the hot blast stove is ensured.
Example 2
Referring to fig. 1-2, in order to improve the heat utilization rate in the flue gas, a heat insulation assembly 11 is disposed on the surface of the furnace housing 1, and the heat insulation assembly 11 is connected with a first smoke exhaust pipe 10.
The heat preservation assembly 11 comprises a heat preservation cover 111 fixedly connected with the surface of the furnace body shell 1, a coiled and continuous laminated plate 112 is arranged in the heat preservation cover 111, the heat preservation cover 111 and the furnace body shell 1 are respectively and fixedly connected with the inner side and the outer side of the laminated plate 112, a coiled heat conduction pipe 113 is arranged on the laminated plate 112, one end of the heat conduction pipe 113 is connected with the first smoke exhaust pipe 10, and the other end of the heat conduction pipe 113 is connected with the second smoke exhaust pipe 114.
The heat in the flowing smoke can be conducted between the heat insulation cover 111 and the furnace body shell 1 through the heat insulation cover 111 and the coiled heat conduction pipe 113, so that a heat insulation layer is formed for the furnace body shell 1, the utilization of the heat in the smoke is realized, the energy utilization efficiency is further improved, and the purpose of energy conservation is realized.
A water inlet pipe 115 communicated with the inside of the heat preservation cover 111 is arranged above the heat preservation cover 111, a water outlet pipe 116 communicated with the inside of the heat preservation cover 111 is arranged at the bottom of the heat preservation cover 111, the connection end of the heat conduction pipe 113 and the first smoke exhaust pipe 10 is close to the lower side of the heat preservation cover 111, and the second smoke exhaust pipe 114 is close to the upper side of the heat preservation cover 111.
Heat exchange water can be introduced into the heat preservation cover 111 through the arrangement of the water inlet pipe 115 and the water outlet pipe 116, heat recovery and utilization can be achieved through the cooperation of the heat conduction pipe 113, and the design that the flow direction of the flue gas is opposite to that of water is adopted through the downward and upward discharge of the flue gas, so that heat can be transferred more fully when the flue gas is in countercurrent contact with water and the water flow, and heat exchange efficiency is improved.
The heat preservation cover 111 is provided with a circulating pump 117, the input end and the output end of the circulating pump 117 are respectively communicated with a connecting pipe 118, the two connecting pipes 118 are respectively communicated with a water inlet pipe 115 and a water outlet pipe 116, and valves are respectively arranged on the water inlet pipe 115, the water outlet pipe 116 and the connecting pipes 118.
The circulation pump 117 and the connecting pipe 118 are connected with the water inlet pipe 115 and the water outlet pipe 116, so that the circulation flow of the heat exchange water in the heat preservation cover 111 can be realized, the adjustment of the water temperature of the temperature can be realized, and when the temperature reaches the set temperature, the heat exchange water can be collected and utilized through the water outlet pipe 116.
Further, referring to fig. 4, a heat exchange box 13 is connected to the water outlet pipe 116, and an air inlet pipe 14 is inserted into the heat exchange box 13, where the air inlet pipe 14 is communicated with the fan 3. The part of the air inlet pipe 14 positioned in the heat exchange box 13 is spirally wound
The water discharged through the water outlet pipe 116 can be collected in the heat exchange box 13, and when the air is extracted by the fan 3, the air inlet pipe 14 is heated, so that the air is primarily heated and then enters the heating liner 2, the heat is reused, and the purposes of energy conservation and emission reduction are achieved.
Example 3
Referring to fig. 1 and 3, based on the first embodiment, a first smoke exhaust pipe 10 is provided with a filter disc 12, the cross section of the filter disc 12 is in a cross-shaped structure, the left end and the right end of the filter disc 12 are both in a grid-shaped structure, the mesh diameter of the left end of the filter disc 12 is larger than that of the right end, the first smoke exhaust pipe 10 is designed into a two-section structure, and the filter disc 12 is in threaded connection between two sections of the first smoke exhaust pipe 10. The filter disc 12 can be used for filtering impurities in the first smoke exhaust pipe 10 and keeping the impurities in the filter disc 12, so that the impurities in the smoke can be prevented from blocking the heat conducting pipe 113.
The above description is only of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.
Claims (8)
1. Energy-saving high temperature low oxygen hot-blast furnace, including furnace body shell (1) and heating inner bag (2), the outside that furnace body shell (1) is close to bottom department is provided with fan (3) and furnace gate (4), just be located the below of furnace body shell (1) on heating inner bag (2) and be provided with out ash door (5), set up grate (6), its characterized in that on heating inner bag (2):
two layers of partition plates (7) are arranged between the furnace body shell (1) and the heating inner container (2) from bottom to top, the two layers of partition plates (7) divide the space between the furnace body shell (1) and the heating inner container (2) into three heating cavities (8) from bottom to top, the fan (3) is close to the heating cavity (8) at the lowest layer, and a plurality of heat exchange tubes (9) are inserted in the heating inner container (2);
the heat exchange tube (9) comprises a transverse tube horizontally inserted in the lowest heating cavity (8), an inclined tube obliquely arranged to connect the lowest heating cavity (8) with the middle heating cavity (8) and an inclined tube obliquely arranged to communicate the middle heating cavity (8) with the uppermost heating cavity (8);
the heating furnace is characterized in that a hot air pipe joint (15) communicated with the uppermost heating cavity (8) is arranged on the furnace body shell (1), a first smoke exhaust pipe (10) communicated with the heating inner container (2) is arranged at the top of the furnace body shell (1), a heat preservation component (11) is arranged on the surface of the furnace body shell (1), and the heat preservation component (11) is connected with the first smoke exhaust pipe (10).
2. The energy-saving high-temperature low-oxygen hot blast stove according to claim 1, wherein: a filter disc (12) is arranged on the first smoke exhaust pipe (10).
3. The energy-saving high-temperature low-oxygen hot blast stove according to claim 2, characterized in that: the cross section of the filter disc (12) is in a cross-shaped structure, the left end and the right end of the filter disc (12) are both in a grid-shaped structure, and the diameter of the mesh at the left end of the filter disc (12) is larger than that at the right end.
4. The energy-saving high-temperature low-oxygen hot blast stove according to claim 1, wherein: the heat preservation subassembly (11) include with furnace body shell (1) fixed surface's heat preservation cover (111), be provided with in heat preservation cover (111) and be coiled and continuous laminated board (112) of coiled, the inside and outside both sides of laminated board (112) are heat preservation cover (111) and furnace body shell (1) fixed connection respectively, be provided with coiled heat pipe (113) on laminated board (112), the one end of heat pipe (113) is connected with first fume tube (10), the other end of heat pipe (113) is connected with second fume tube (114).
5. The energy-saving high-temperature low-oxygen hot blast stove according to claim 4, wherein: the heat preservation cover (111) top is provided with inlet tube (115) that are linked together with its inside, the bottom of heat preservation cover (111) is provided with outlet pipe (116) that are linked together with its inside, heat conduction pipe (113) are close to the below of heat preservation cover (111) with the link of first exhaust pipe (10), the top that heat preservation cover (111) is close to second exhaust pipe (114).
6. The energy-saving high-temperature low-oxygen hot blast stove according to claim 5, wherein: be provided with circulating pump (117) on heat preservation cover (111), the input and the output of circulating pump (117) all are linked together have connecting pipe (118), two connecting pipe (118) are linked together with inlet tube (115) and outlet pipe (116) respectively, all be provided with the valve on inlet tube (115), outlet pipe (116) and connecting pipe (118).
7. The energy-saving high-temperature low-oxygen hot blast stove according to claim 5, wherein: the water outlet pipe (116) is connected with a heat exchange box (13), an air inlet pipe (14) is arranged on the heat exchange box (13) in an inserted mode, and the air inlet pipe (14) is communicated with the fan (3).
8. The energy-saving high-temperature low-oxygen hot blast stove according to claim 7, wherein: the part of the air inlet pipe (14) positioned in the heat exchange box (13) is spirally wound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310986237.0A CN117146437A (en) | 2023-08-07 | 2023-08-07 | Energy-saving high-temperature low-oxygen hot-blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310986237.0A CN117146437A (en) | 2023-08-07 | 2023-08-07 | Energy-saving high-temperature low-oxygen hot-blast stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117146437A true CN117146437A (en) | 2023-12-01 |
Family
ID=88905204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310986237.0A Withdrawn CN117146437A (en) | 2023-08-07 | 2023-08-07 | Energy-saving high-temperature low-oxygen hot-blast stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117146437A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118361990A (en) * | 2024-06-17 | 2024-07-19 | 陕西煤业沣京新型能源科技有限公司 | Multistage heat exchange equipment based on waste heat utilization treatment |
-
2023
- 2023-08-07 CN CN202310986237.0A patent/CN117146437A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118361990A (en) * | 2024-06-17 | 2024-07-19 | 陕西煤业沣京新型能源科技有限公司 | Multistage heat exchange equipment based on waste heat utilization treatment |
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Application publication date: 20231201 |