CN209910390U - Heating furnace with good heat insulation effect for forging and pressing - Google Patents
Heating furnace with good heat insulation effect for forging and pressing Download PDFInfo
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- CN209910390U CN209910390U CN201920428172.7U CN201920428172U CN209910390U CN 209910390 U CN209910390 U CN 209910390U CN 201920428172 U CN201920428172 U CN 201920428172U CN 209910390 U CN209910390 U CN 209910390U
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Abstract
The utility model relates to a heating furnace is used in forging and pressing that thermal-insulated effectual, it includes the furnace body, furnace body one end is provided with the furnace gate, the furnace body is by once including housing, the firebrick layer of setting in the housing, set up at the insulating layer of firebrick in situ side, set up at the oven of firebrick in situ side, be provided with the heating wire in the oven, the insulating layer that keeps warm includes two-layer wire net, set up in the wire net first aluminium silicate insulating cotton board, with first aluminium silicate insulating cotton board fixed connection's foaming cement board. The utility model provides a firebrick layer and thermal insulation layer homoenergetic play thermal-insulated heat retaining effect to the high temperature in the furnace body, and the housing plays the effect of protection to whole furnace body, and the cotton board of first aluminium silicate heat preservation in the middle of the two-layer wire net can play the thermal-insulated effect of good heat preservation, and the cooperation of the cotton board of first aluminium silicate heat preservation and foaming cement board can play better heat preservation effect to the heating furnace, prevents that the heating furnace heat from scattering and disappearing, makes the heating effect better.
Description
Technical Field
The utility model relates to a technical field of heating furnace, in particular to effectual heating furnace for forging and pressing insulates against heat.
Background
In the metallurgical industry, a furnace is a device (industrial furnace) that heats a material or workpiece (typically a metal) to a rolling-to-forging temperature. The heating furnace is applied to the fields of petroleum, chemical industry, metallurgy, machinery, heat treatment, surface treatment, building materials, electronics, materials, light industry, daily chemicals, pharmacy and the like, and a heat-insulating lining of the heating furnace is usually arranged on the inner wall of the heating furnace. The heat insulating lining of the heating furnace has the functions of bearing high temperature heat load, resisting chemical corrosion and reducing heat loss in the operation process of the heating furnace, has certain structural strength and can improve the heat exchange process in the heating furnace. The quality of the heat-insulating lining effect of the heating furnace is an important factor directly influencing the safe operation of the heating furnace. Proper selection of lining materials, reasonable structural design and improved construction quality are main ways for improving the thermal performance of the heating furnace, prolonging the service life of the heat-insulating lining and ensuring long-period operation of the heating furnace.
The existing heating furnace heat insulation lining is generally composed of a working layer and a heat insulation layer, and the heat insulation layer is arranged between the working layer and a furnace wall. In the prior art, the working layer is usually made of unshaped refractory materials, and the insulating layer is usually made of light bricks and fiber products or light castable and fiber products. The working layer is made of unshaped refractory material without fixed shape, and can be divided into casting material, plastic material and the like according to the construction method and material property, the construction is usually carried out by adopting a vibration method, the working layer needs to be cured properly and can be used after being baked for a certain time. With the development of the unshaped refractory materials, more and more factories are used for integrally pouring the heating furnace by the unshaped refractory materials.
The furnace body that uses unshaped refractory material all has certain promotion in the life-span of gas tightness and furnace body, but unshaped refractory material need toast a period of time and just can use when condensing the design, the structure of the in-process unshaped refractory material who toasts in succession is unstable, the phenomenon of fracture takes place easily, consequently, can lead to the heat preservation heat-proof quality of whole furnace body to reduce, can lead to thermal scattering and disappearing when the furnace body heats forging steel spare, not only can cause the heating effect not good, and still can lead to the heat around the furnace body higher, thereby influence operational environment.
SUMMERY OF THE UTILITY MODEL
The utility model provides a heating furnace for forging and pressing that thermal-insulated effectual, it has the thermal-insulated effectual advantage that improves furnace body heating performance that keeps warm.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a heating furnace is used in forging and pressing that thermal-insulated effectual, includes the furnace body, furnace body one end is provided with the furnace gate, the furnace body is by outer once including housing, the firebrick layer of setting in the housing, set up at the inboard insulating layer that keeps warm of firebrick layer, set up at the inboard oven of firebrick layer, be provided with the heating wire in the oven, the insulating layer that keeps warm includes two-layer wire net, sets up in the wire net first aluminium silicate insulating cotton board, with first aluminium silicate insulating cotton board fixed connection's foaming cement board.
By adopting the technical scheme, the firebrick layer and the heat insulation layer can both play a role in heat insulation and heat preservation for high temperature in the furnace body, the housing plays a role in protecting the whole furnace body, the first aluminum silicate heat insulation cotton plate between the two layers of steel wire meshes can play a role in good heat insulation and heat preservation, the first aluminum silicate heat insulation cotton plate has excellent performances of sound absorption, high temperature resistance, water resistance and the like, the heat conductivity coefficient of the foamed cement plate is 0.06-0.28W/(M.K), and the heat resistance is about 10-20 times of that of common concrete, so the first aluminum silicate heat insulation cotton plate and the foamed cement plate are matched to play a better heat preservation effect for the heating furnace, the heat loss of the heating furnace is prevented, and the heating effect is better.
The utility model discloses further set up to: and glass wool sheets are arranged on the outer sides of the two layers of steel wire meshes.
Through adopting above-mentioned technical scheme, even fibre distribution and more slender fibre in the first glass cotton piece for the heat preservation passageway has lower coefficient of heat conductivity, makes the heat in the heating furnace can not conduct away, has ensured the superior heat preservation performance of heating furnace, makes the heating performance of heating furnace better.
The utility model discloses further set up to: the steel wire mesh furnace is characterized in that a reinforcing rod is fixedly connected to the outer side of the steel wire mesh, the reinforcing rod is T-shaped, the horizontal portion of the reinforcing rod penetrates through and is inserted into the glass wool, and the vertical portion of the reinforcing rod is inserted into the refractory brick layer and the furnace wall.
Through adopting above-mentioned technical scheme, the anchor strut can be connected with the firebrick layer and the oven of both sides to can strengthen the joint strength of insulating layer and firebrick layer and oven.
The utility model discloses further set up to: the furnace door is provided with a heat insulation assembly, and the heat insulation assembly comprises a second aluminum silicate heat insulation cotton plate fixedly connected with the furnace door, first heat insulation cotton sheets arranged around the second aluminum silicate heat insulation cotton plate, and second heat insulation cotton sheets fixedly connected to the furnace body.
Through adopting above-mentioned technical scheme, when the furnace gate was closed, second aluminium silicate heat preservation cotton board and first heat preservation cotton piece can cooperate with the cotton piece of second heat preservation, play heat retaining effect to furnace gate department, play isolated effect to the temperature in the heating furnace at the state of heating furnace work operation to can make the heating effect of heating furnace better.
The utility model discloses further set up to: the first magnet is fixedly connected in the first heat-preservation cotton piece, the second magnet is fixedly connected in the second heat-preservation cotton piece, and the first magnet and the second magnet attract each other.
Through adopting above-mentioned technical scheme, when first heat preservation cotton piece and second heat preservation cotton piece laminated mutually, first magnet can attract second magnet, makes the gap between furnace gate and the furnace body diminish, and first magnet and second magnet all also can play tight effect to first heat preservation cotton piece and second heat preservation cotton piece, have ensured the heat preservation thermal-insulated effect of furnace gate, prevent that the heat from scattering and disappearing.
The utility model discloses further set up to: the outer side of the firebrick layer is fixedly connected with a hemp rope.
Through adopting above-mentioned technical scheme, the setting of rope made of hemp can play certain thermal-insulated effect that keeps warm, and the rope made of hemp pastes together each other, makes the temperature in the furnace body can not conduct the housing inboard to can prevent the high temperature around the furnace body.
The utility model discloses further set up to: the first aluminum silicate heat-insulation cotton plate and the foamed cement plate are both provided with two layers, and the first aluminum silicate heat-insulation cotton plate and the foamed cement are alternately arranged.
Through adopting above-mentioned technical scheme, alternate setting can make first aluminium silicate heat preservation panel and foaming cement board alternate action each other, plays better thermal-insulated effect of heat preservation to the temperature in the furnace body, makes the heat preservation performance and the heating performance of heating furnace better.
The utility model discloses further set up to: the inner side of the furnace wall is provided with a high-temperature resistant heat insulation coating.
By adopting the technical scheme, the high-temperature-resistant heat-insulating coating can play a certain protective role on the internal structure of the furnace wall, prevent the furnace wall from cracking and other phenomena under the condition of long-time high temperature, and simultaneously play a certain heat-insulating effect, so that the performance of the heating furnace is better.
To sum up, the utility model discloses a beneficial technological effect does:
1. the refractory brick layer and the heat-insulating layer can both play a role in heat insulation for high temperature in the furnace body, the housing plays a role in protecting the whole furnace body, and the first aluminum silicate heat-insulating cotton plate between the two layers of steel wire meshes can play a good role in heat insulation;
2. the heat insulation component can play a role in heat insulation of the furnace door and has an effect of isolating the temperature in the heating furnace in the working and running state of the heating furnace, so that the heating effect of the heating furnace is better;
3. the first magnet and the second magnet can clamp the first heat-preservation cotton piece and the second heat-preservation cotton piece, so that the heat-preservation and heat-insulation effects of the furnace door are ensured, and heat loss is prevented;
4. the hemp rope can be attached to each other, so that the temperature in the furnace body can not be conducted to the inner side of the housing, and the overhigh temperature around the furnace body can be prevented.
Drawings
FIG. 1 is a schematic view of an overall structure for embodying a heating furnace;
FIG. 2 is an exploded view for embodying the structure of the furnace body;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
fig. 4 is a schematic view showing a specific structure of the heat insulating member.
In the figure, 1, a furnace body; 11. a housing; 12. a refractory brick layer; 13. a heat insulation layer; 131. steel wire mesh; 132. a first aluminum silicate heat-insulating cotton plate; 133. a foamed cement board; 14. a furnace wall; 2. a furnace door; 3. an electric heating wire; 4. a glass wool sheet; 5. a reinforcing rod; 6. a heat preservation assembly; 61. a second aluminum silicate heat-insulating cotton plate; 62. a first heat-insulating cotton sheet; 621. a first magnet; 63. a second heat-insulating cotton sheet; 631. a second magnet; 7. hemp ropes; 8. high-temperature resistant heat-insulating coating.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): a heating furnace for forging and pressing with good heat insulation effect is shown in figure 1 and comprises a furnace body 1, wherein a furnace door 2 is arranged at one end of the furnace body 1, and the furnace door 2 can play a role in heat preservation and protection on the furnace body 1 in operation.
As shown in fig. 2, the furnace body 1 comprises a housing 11 from outside to inside once, a firebrick layer 12 arranged in the housing 11, a heat preservation and insulation layer 13 arranged at the inner side of the firebrick layer 12, a furnace wall 14 arranged at the inner side of the firebrick layer 12, a heating wire 3 arranged in the furnace wall 14, after the heating wire 3 is electrified, the heating wire 3 can heat the inner cavity of the furnace body 1, thereby normalizing or annealing steel parts, the housing 11 can play a role in protecting the whole furnace body 1, a hemp rope 7 is arranged between the housing 11 and the firebrick layer 12, the hemp rope 7 can be fixedly connected at the outer side of the firebrick layer 12 through adhesive glue, and the hemp rope 7 can play a certain heat preservation effect.
As shown in figure 2, the high-temperature-resistant heat-insulating coating 8 is arranged on the inner side of the furnace wall 14, the high-temperature-resistant heat-insulating coating is one of special solutions and ceramic microbeads with high meshes, the temperature-resistant range of the coating can reach 1800 ℃, the high-temperature-resistant heat-insulating coating 8 can effectively inhibit and shield radiant heat and conduction heat, the heat-insulating inhibition efficiency can reach about 90%, the heat radiation and heat loss of high-temperature objects can be inhibited, and a certain heat-insulating effect can be achieved on the furnace body 1.
As shown in fig. 3, the heat insulating layer 13 includes two layers of steel mesh 131, a first aluminum silicate heat insulating cotton plate 132 disposed in the steel mesh 131, and a foamed cement plate 133 fixedly connected to the first aluminum silicate heat insulating cotton plate 132, the first aluminum silicate heat insulating cotton plate 132 and the foamed cement plate 133 are both provided with two layers, and the first aluminum silicate heat insulating cotton plate 132 and the foamed cement plate are alternately disposed, the first aluminum silicate heat insulating cotton plate 132 has excellent sound absorption, high temperature resistance, water resistance, and the like, the heat conductivity coefficient of the foamed cement plate 133 is 0.06-0.28W/(M.K), and the heat resistance is about 10-20 times of that of common concrete, so that the first aluminum silicate heat insulating cotton plate 132 and the foamed cement plate 133 can be matched to achieve a better heat insulating effect for the heating furnace, and the first aluminum silicate heat insulating cotton plate 132 and the foamed cement plate 133 are alternately disposed to achieve a better heat insulating effect.
As shown in fig. 3, the glass wool sheets 4 are arranged on the outer sides of the two layers of steel wire meshes 131, the reinforcing rods 5 are fixedly connected to the outer sides of the steel wire meshes 131, the reinforcing rods 5 are arranged in a T shape, the horizontal portions of the reinforcing rods 5 penetrate through and are inserted into the glass wool sheets 4, the vertical portions of the reinforcing rods 5 are inserted into the firebrick layer 12 and the furnace wall 14 (not shown in the figure), the steel wire meshes 131 can be connected with the firebrick layer 12 and the furnace wall 14 more tightly, and the connection strength is better.
As shown in fig. 4, a heat insulation assembly 6 is arranged at the position of the furnace door 2, the heat insulation assembly 6 comprises a second aluminum silicate heat insulation cotton plate 61 fixedly connected with the furnace door 2, a first heat insulation cotton sheet 62 arranged around the second aluminum silicate heat insulation cotton plate 61, and a second heat insulation cotton sheet 63 fixedly connected to the furnace body 1, when the furnace door 2 is closed, the second aluminum silicate heat insulation cotton plate 61 and the first heat insulation cotton sheet 62 can be matched with the second heat insulation cotton sheet 63, and the heat insulation effect is achieved at the position of the furnace door 2.
As shown in fig. 4, the first magnet 621 is fixedly connected in the first heat-insulating cotton piece 62, the second magnet 631 is fixedly connected in the second heat-insulating cotton piece 63, the first magnet 621 and the second magnet 631 attract each other, and the first magnet 621 and the second magnet 631 can clamp the first heat-insulating cotton piece 62 and the second heat-insulating cotton piece 63, so that the heat-insulating effect of the oven door 2 is ensured, and heat loss is prevented.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a heating furnace is used in forging and pressing that thermal-insulated effectual, includes furnace body (1), furnace body (1) one end is provided with furnace gate (2), its characterized in that: the furnace body (1) comprises a housing (11), a refractory brick layer (12) arranged in the housing (11), a heat insulation layer (13) arranged on the inner side of the refractory brick layer (12) and a furnace wall (14) arranged on the inner side of the refractory brick layer (12) from outside to inside, wherein an electric heating wire (3) is arranged in the furnace wall (14), and the heat insulation layer (13) comprises two layers of steel wire meshes (131), a first aluminum silicate heat insulation cotton plate (132) arranged in the steel wire meshes (131) and a foamed cement plate (133) fixedly connected with the first aluminum silicate heat insulation cotton plate (132).
2. The heating furnace for forging and pressing with good heat insulation effect as claimed in claim 1, wherein: and glass wool sheets (4) are arranged on the outer sides of the two layers of steel wire meshes (131).
3. The heating furnace for forging and pressing with good heat insulation effect as claimed in claim 2, wherein: the outer side of the steel wire mesh (131) is fixedly connected with a reinforcing rod (5), the reinforcing rod (5) is T-shaped, the horizontal part of the reinforcing rod (5) penetrates through and is inserted into the glass wool sheet (4), and the vertical part of the reinforcing rod (5) is inserted into the refractory brick layer (12) and the furnace wall (14).
4. The heating furnace for forging and pressing with good heat insulation effect as claimed in claim 1, wherein: the furnace door (2) is provided with a heat insulation assembly (6), and the heat insulation assembly (6) comprises a second aluminum silicate heat insulation cotton plate (61) fixedly connected with the furnace door (2), first heat insulation cotton sheets (62) arranged on the periphery of the second aluminum silicate heat insulation cotton plate (61), and second heat insulation cotton sheets (63) fixedly connected to the furnace body (1).
5. The heating furnace for forging and pressing with good heat insulation effect as claimed in claim 4, wherein: fixedly connected with first magnet (621) in first heat preservation cotton piece (62), fixedly connected with second magnet (631) in second heat preservation cotton piece (63), first magnet (621) and second magnet (631) attract each other.
6. The heating furnace for forging and pressing with good heat insulation effect as claimed in claim 1, wherein: the outer side of the refractory brick layer (12) is fixedly connected with a hemp rope (7).
7. The heating furnace for forging and pressing with good heat insulation effect as claimed in claim 1, wherein: the first aluminum silicate heat-insulation cotton plate (132) and the foamed cement plate (133) are respectively provided with two layers, and the first aluminum silicate heat-insulation cotton plate (132) and the foamed cement are alternately arranged.
8. The heating furnace for forging and pressing with good heat insulation effect as claimed in claim 1, wherein: the inner side of the furnace wall (14) is provided with a high-temperature resistant heat insulation coating (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920428172.7U CN209910390U (en) | 2019-03-30 | 2019-03-30 | Heating furnace with good heat insulation effect for forging and pressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920428172.7U CN209910390U (en) | 2019-03-30 | 2019-03-30 | Heating furnace with good heat insulation effect for forging and pressing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209910390U true CN209910390U (en) | 2020-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920428172.7U Active CN209910390U (en) | 2019-03-30 | 2019-03-30 | Heating furnace with good heat insulation effect for forging and pressing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209910390U (en) |
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2019
- 2019-03-30 CN CN201920428172.7U patent/CN209910390U/en active Active
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