CN214307609U

CN214307609U - Direct-fired gas hot-blast stove with good heat insulation effect

Info

Publication number: CN214307609U
Application number: CN202022843706.8U
Authority: CN
Inventors: 张委铭; 毕德玉
Original assignee: Haicheng Guoshi Mining Co ltd
Current assignee: Haicheng Guoshi Mining Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-09-28
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses a direct fire gas hot-blast furnace that thermal-insulated effectual, including the hot-blast furnace body, the left lower extreme in hot-blast furnace body surface is provided with the fan, the air exit intercommunication of fan has the exhaust pipe, the right-hand member of exhaust pipe runs through the inner chamber that extends to the hot-blast furnace body, the air intake swing joint of fan has the filter plate, the upper end intercommunication on hot-blast furnace body surface right side has the air outlet, the hot-blast furnace body includes internal surface inoxidizing coating, first substrate layer, insulating layer, cavity, second substrate layer and surface inoxidizing coating. The utility model discloses a set up first substrate layer, insulating layer, cavity and second substrate layer, can play the thermal-insulated effect of heat preservation, slow down inside heat conduction to surface, effectively promoted the thermal-insulated effect of device, through setting up internal surface inoxidizing coating and surface inoxidizing coating, can protect the interior external surface of device, effectively promoted the life of device.

Description

Direct-fired gas hot-blast stove with good heat insulation effect

Technical Field

The utility model relates to a hot-blast furnace technical field specifically is a direct fire gas hot-blast furnace that thermal-insulated effectual.

Background

The hot blast stove is a heat power machine, starts to be widely applied in China at the end of the 20 th century 70 years, becomes an upgrading product of an electric heat source and a traditional steam power heat source in many industries, has multiple varieties and complete series, is divided into a hand-burning mode and a machine-burning mode in a coal feeding mode, is divided into a coal furnace, an oil furnace, a gas furnace and the like in fuel types, has good heat conductivity because most of hot blast stove shells are made of metal materials, has poor heat insulation effect of the existing direct-fired gas hot blast stove, causes the temperature of the shells to be very high, easily causes the phenomenon of scalding workers, and has the advantages of easy damage of the shells and short service life because the equipment is in a high-temperature environment for a long time.

Disclosure of Invention

An object of the utility model is to provide a direct-fired gas hot-blast furnace that thermal-insulated effectual possesses thermal-insulated effectual, and long service life's advantage has solved current direct-fired gas hot-blast furnace that thermal-insulated effect is not good, and the temperature that leads to the shell is also very high, very easily causes the phenomenon that the staff scalded, and because equipment is in high temperature environment for a long time, casing fragile, the lower problem of service life.

In order to achieve the above object, the utility model provides a following technical scheme: a direct-fired gas hot blast stove with good heat insulation effect comprises a hot blast stove body, wherein a fan is arranged at the lower end of the left side of the surface of the hot blast stove body, an air outlet of the fan is communicated with an exhaust pipe, the right end of the exhaust pipe penetrates through and extends to an inner cavity of the hot blast stove body, an air inlet of the fan is movably connected with a filter plate, an air outlet is communicated with the upper end of the right side of the surface of the hot blast stove body, the hot blast stove body comprises an inner surface protective layer, a first base material layer, a heat insulation layer, a cavity, a second base material layer and an outer surface protective layer, the outer side of the inner surface protective layer is fixedly connected with the first base material layer, the outer side of the first base material layer is fixedly connected with the heat insulation layer, the cavity is formed between the heat insulation layer and the second base material layer, the outer surface protective layer comprises a second anti-rust layer and a second corrosion layer, the outer side of the second anti-rust layer is fixedly connected with a second corrosion-resistant layer, and the inner surface protective layer comprises a first anti-rust layer, a first corrosion-resistant layer and an oxidation-resistant layer.

Preferably, a first corrosion-resistant layer is fixedly connected to the outer side of the first anti-rust layer, and an oxidation-resistant layer is fixedly connected to the outer side of the first corrosion-resistant layer.

Preferably, the first corrosion-resistant layer and the second corrosion-resistant layer are made of the same material, and the oxidation-resistant layer and the second rust-resistant layer are made of the same material.

Preferably, the thickness of the first corrosion-resistant layer and the second corrosion-resistant layer is 0.06mm, the thickness of the first rust-proof layer is 0.05mm, and the thickness of the oxidation-resistant layer and the second rust-proof layer is 0.08 mm.

Preferably, the right side fixedly connected with supporting seat of fan, the right side of supporting seat is fixed with the junction of hot-blast furnace body, the inner wall fixedly connected with blotter of supporting seat.

Preferably, the bottom of the hot blast stove body is fixedly connected with a base, and supporting legs are fixedly connected to two sides of the bottom of the base.

Preferably, the surface of the hot blast stove body is fixedly connected with a protective sleeve, and the thickness of the protective sleeve is 25 mm.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up first substrate layer, insulating layer, cavity and second substrate layer, can play the thermal-insulated effect of heat preservation, slow down inside heat conduction to surface, effectively promoted the thermal-insulated effect of device, through setting up internal surface inoxidizing coating and surface inoxidizing coating, can protect the interior external surface of device, effectively promoted the life of device.

2. The utility model can avoid the device from being oxidized and corroded by the use of the first corrosion-resistant layer and the second corrosion-resistant layer, effectively improve the rust resistance of the device, avoid the device from being corroded by acid-base substances and damaged by the use of the oxidation-resistant layer and the second corrosion-resistant layer, effectively improve the corrosion resistance of the device, avoid overhigh internal temperature of the device by the use of the first corrosion-resistant layer, lead to the phenomenon of accelerated oxidation of the inner surface of the device, optimize the production process of the hot blast stove body by determining the used materials, effectively reduce the production cost of the hot blast stove body, play a role in fixing and buffering the fan by arranging the supporting seat and the buffering cushion, effectively reduce the vibration generated by the fan in the operation process, play a role in supporting and fixing the device by arranging the supporting legs and the base, effectively improve the stability of the device, through setting up the lag, can play thermal-insulated protection's effect, avoid appearing the phenomenon that the staff was scalded.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of an air heater body according to an embodiment of the present invention;

FIG. 3 is a schematic view of the layer structure of the inner surface protection layer of the present invention;

fig. 4 is a schematic view of the layer structure of the outer surface protective layer of the present invention.

In the figure: 1. a hot blast stove body; 2. an air outlet; 3. supporting legs; 4. a protective sleeve; 5. an exhaust duct; 6. filtering the plate; 7. a fan; 8. a supporting seat; 9. a base; 10. an inner surface protective layer; 11. a first base material layer; 12. a thermal insulation layer; 13. a cavity; 14. a second substrate layer; 15. an outer surface protective layer; 16. a first antirust layer; 17. a first corrosion-resistant layer; 18. an anti-oxidation layer; 19. a second antirust layer; 20. a second corrosion-resistant layer.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a hot-blast furnace body 1, air outlet 2, supporting leg 3, lag 4, exhaust pipe 5, filter plate 6, fan 7, supporting seat 8, base 9, internal surface inoxidizing coating 10, first substrate layer 11, insulating layer 12, cavity 13, second substrate layer 14, surface inoxidizing coating 15, first antirust coat 16, first corrosion resistant layer 17, oxidation resisting layer 18, second antirust coat 19 and second corrosion resistant layer 20 part are the general standard part or the part that technical staff in the field knows, its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-4, a direct-fired gas hot-blast stove with good heat insulation effect comprises a hot-blast stove body 1, a fan 7 is arranged at the lower end of the left side of the surface of the hot-blast stove body 1, a support seat 8 is fixedly connected to the right side of the fan 7, the right side of the support seat 8 is fixed with the joint of the hot-blast stove body 1, a buffer pad is fixedly connected to the inner wall of the support seat 8, the fan 7 can be fixed and buffered by arranging the support seat 8 and the buffer pad, vibration generated in the operation process of the fan 7 is effectively reduced, an air outlet of the fan 7 is communicated with an exhaust pipe 5, the right end of the exhaust pipe 5 extends to the inner cavity of the hot-blast stove body 1 in a penetrating manner, an air inlet of the fan 7 is movably connected with a filter plate 6, a base 9 is fixedly connected to the bottom of the hot-blast stove body 1, supporting legs 3 are fixedly connected to two sides of the bottom of the base 9, can play the effect of supporting and fixing the device, the stability of the device is effectively promoted, the fixed surface of the hot blast stove body 1 is connected with a protective sleeve 4, the thickness of the protective sleeve 4 is 25mm, the protective sleeve 4 can play the role of heat insulation protection, the phenomenon that workers are scalded is avoided, the upper end on the right side of the surface of the hot blast stove body 1 is communicated with an air outlet 2, the hot blast stove body 1 comprises an inner surface protective layer 10, a first base material layer 11, a heat insulation layer 12, a cavity 13, a second base material layer 14 and an outer surface protective layer 15, the outer side of the inner surface protective layer 10 is fixedly connected with the first base material layer 11, the outer side of the first base material layer 11 is fixedly connected with the heat insulation layer 12, a cavity 13 is formed between the heat insulation layer 12 and the second base material layer 14, the outer side of the second base material layer 14 is fixedly connected with the outer surface protective layer 15, the outer surface protective layer 15 comprises a second anti-rust layer 19 and a second corrosion-resistant layer 20, the outer side of the second antirust layer 19 is fixedly connected with a second corrosion-resistant layer 20, the inner surface protection layer 10 comprises a first antirust layer 16, a first corrosion-resistant layer 17 and an oxidation-resistant layer 18, the outer side of the first antirust layer 16 is fixedly connected with the first corrosion-resistant layer 17, the outer side of the first corrosion-resistant layer 17 is fixedly connected with the oxidation-resistant layer 18, the thicknesses of the first corrosion-resistant layer 17 and the second corrosion-resistant layer 20 are 0.06mm, the thickness of the first antirust layer 16 is 0.05mm, the thicknesses of the oxidation-resistant layer 18 and the second antirust layer 19 are 0.08mm, through the use of the first corrosion-resistant layer 17 and the second corrosion-resistant layer 20, the device can be prevented from being oxidized and corroded, the corrosion resistance of the device is effectively improved, through the use of the oxidation-resistant layer 18 and the second antirust layer 19, the device can be prevented from being corroded and damaged by acid-base substances, the corrosion resistance of the device is effectively improved, through the use of the first antirust layer 16, can avoid the inside high temperature of device, lead to the phenomenon of device internal surface oxidation with higher speed, first corrosion resistant layer 17 is the same with the use material of second corrosion resistant layer 20, oxidation resisting layer 18 is the same with the use material of second antirust layer 19, through the affirmation to using the material, can optimize the production technology of hot-blast furnace body 1, the manufacturing cost of hot-blast furnace body 1 has effectively been reduced, through setting up first substrate layer 11, insulating layer 12, cavity 13 and second substrate layer 14, can play the thermal-insulated effect of heat preservation, slow down inside heat conduction to surface, the thermal-insulated effect of device has effectively been promoted, through setting up internal surface inoxidizing coating 10 and surface inoxidizing coating 15, can protect the interior external surface of device, the life of device has effectively been promoted.

When the device is used, the heat-insulating layer 12 is made of a ceramic fiber heat-insulating plate, the heat-insulating layer 12 can play a role in heat preservation and heat insulation, internal heat is slowed down to be conducted to the outer surface, the heat-insulating effect of the device is effectively improved, the first corrosion-resistant layer 17 and the second corrosion-resistant layer 20 are made of zinc coatings, the device can be prevented from being corroded by acid and alkali substances through the use of the first corrosion-resistant layer 17 and the second corrosion-resistant layer 20, the rust resistance of the device is effectively improved, the oxidation-resistant layer 18 and the second rust-resistant layer 19 are made of tungsten-cobalt alloy coatings, the device can be prevented from being damaged by the corrosion of the acid and alkali substances through the use of the oxidation-resistant layer 18 and the second rust-resistant layer 19, the corrosion resistance of the device is effectively improved, the first rust-resistant layer 16 is made of a nickel-phosphorus alloy coating, and the internal temperature of the device can be prevented from being too high through the use of the first rust-resistant layer 16, the phenomenon of accelerated oxidation of the inner surface of the device is caused, and the device has the advantages of good heat insulation effect and long service life by matching of the structure, and is suitable for popularization and use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a thermal-insulated effectual direct fire gas hot-blast furnace, includes hot-blast furnace body (1), its characterized in that: the hot blast stove comprises a hot blast stove body (1), wherein a fan (7) is arranged at the left lower end of the surface of the hot blast stove body (1), an exhaust pipe (5) is communicated with an exhaust outlet of the fan (7), the right end of the exhaust pipe (5) penetrates through an inner cavity extending to the hot blast stove body (1), an air inlet of the fan (7) is movably connected with a filter plate (6), an air outlet (2) is communicated with the upper end of the right side of the surface of the hot blast stove body (1), the hot blast stove body (1) comprises an inner surface protective layer (10), a first base material layer (11), a heat insulation layer (12), a cavity (13), a second base material layer (14) and an outer surface protective layer (15), the first base material layer (11) is fixedly connected with the outer side of the inner surface protective layer (10), the heat insulation layer (12) is fixedly connected with the outer side of the first base material layer (11), and the cavity (13) is formed between the heat insulation layer (12) and the second base material layer (14), the outer side of the second base material layer (14) is fixedly connected with an outer surface protection layer (15), the outer surface protection layer (15) comprises a second anti-rust layer (19) and a second corrosion-resistant layer (20), the outer side of the second anti-rust layer (19) is fixedly connected with the second corrosion-resistant layer (20), and the inner surface protection layer (10) comprises a first anti-rust layer (16), a first corrosion-resistant layer (17) and an oxidation-resistant layer (18).

2. The direct-fire gas hot blast stove with good heat insulation effect according to claim 1, characterized in that: the outer side of the first anti-rust layer (16) is fixedly connected with a first corrosion-resistant layer (17), and the outer side of the first corrosion-resistant layer (17) is fixedly connected with an oxidation-resistant layer (18).

3. The direct-fire gas hot blast stove with good heat insulation effect according to claim 2, characterized in that: the first corrosion-resistant layer (17) and the second corrosion-resistant layer (20) are made of the same material, and the oxidation-resistant layer (18) and the second anti-rust layer (19) are made of the same material.

4. The direct-fire gas hot blast stove with good heat insulation effect according to claim 3, characterized in that: the thickness of the first corrosion-resistant layer (17) and the second corrosion-resistant layer (20) is 0.06mm, the thickness of the first rust-resistant layer (16) is 0.05mm, and the thickness of the oxidation-resistant layer (18) and the second rust-resistant layer (19) is 0.08 mm.

5. The direct-fire gas hot blast stove with good heat insulation effect according to claim 1, characterized in that: the right side fixedly connected with supporting seat (8) of fan (7), the right side of supporting seat (8) is fixed with the junction of hot-blast furnace body (1), the inner wall fixedly connected with blotter of supporting seat (8).

6. The direct-fire gas hot blast stove with good heat insulation effect according to claim 1, characterized in that: the hot blast stove is characterized in that a base (9) is fixedly connected to the bottom of the hot blast stove body (1), and supporting legs (3) are fixedly connected to the two sides of the bottom of the base (9).

7. The direct-fire gas hot blast stove with good heat insulation effect according to claim 1, characterized in that: the surface of the hot blast stove body (1) is fixedly connected with a protective sleeve (4), and the thickness of the protective sleeve (4) is 25 mm.