CN209740980U - Energy-saving hot bending furnace - Google Patents
Energy-saving hot bending furnace Download PDFInfo
- Publication number
- CN209740980U CN209740980U CN201920433092.0U CN201920433092U CN209740980U CN 209740980 U CN209740980 U CN 209740980U CN 201920433092 U CN201920433092 U CN 201920433092U CN 209740980 U CN209740980 U CN 209740980U
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- hot bending
- bending furnace
- air
- air suction
- suction opening
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Abstract
The utility model discloses an energy-saving hot bending furnace, which comprises a single-chamber hot bending furnace, an exhaust fan and a pipeline, wherein the single-chamber hot bending furnace comprises a first hot bending furnace and a second hot bending furnace, the exhaust fan comprises a first exhaust fan and a second exhaust fan, and the pipeline comprises an air inlet pipeline and a return air pipeline; the first hot bending furnace is provided with a first air suction opening and a first air outlet, the second hot bending furnace is provided with a second air suction opening and a second air outlet, the first air suction opening is communicated with the second air outlet through an air inlet pipeline and a first exhaust fan, and the second air suction opening is communicated with the first air outlet through an air return pipeline and a second exhaust fan. The utility model has the advantages that: the waste heat utilization of the hot bending furnace is improved, the production cost of hot bending glass is reduced, the forming period of the hot bending glass is shortened, and the competitiveness of enterprises is improved.
Description
Technical Field
The utility model relates to a curved stove equipment field of heat, especially a curved stove of energy-conserving heat.
Background
The hot bending glass is produced by feeding glass and mold into a hot bending furnace, bending and forming, and annealing and cooling. The hot bending glass enterprises in China are numerous, and the used hot bending furnaces include a circulating hot bending furnace, a reciprocating hot bending furnace and a single-chamber hot bending furnace. The single-chamber hot bending furnace can adapt to glass products with different specifications, does not require continuous process parameters, is simple to manufacture, has good sealing effect and the like, and is used by most hot bending glass enterprises. In the prior art, in the annealing process of hot-bent glass after hot-bending forming, the heat of a single-chamber hot-bending furnace is lost in the air, so that the energy waste is caused, the forming efficiency is reduced, and the hot-bending period is prolonged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and provide an energy-saving hot bending furnace.
In order to achieve the purpose, the utility model is implemented according to the following technical scheme:
an energy-saving hot bending furnace comprises a single-chamber hot bending furnace, an exhaust fan and a pipeline, wherein the single-chamber hot bending furnace comprises a first hot bending furnace and a second hot bending furnace, the exhaust fan comprises a first exhaust fan and a second exhaust fan, and the pipeline comprises an air inlet pipeline and an air return pipeline; the first hot bending furnace is provided with a first air suction opening and a first air outlet, the second hot bending furnace is provided with a second air suction opening and a second air outlet, the first air suction opening is communicated with the second air outlet through an air inlet pipeline and a first exhaust fan, and the second air suction opening is communicated with the first air outlet through an air return pipeline and a second exhaust fan.
Furthermore, the first air outlet is arranged above the first hot bending furnace, and the second air outlet is arranged above the second hot bending furnace.
Furthermore, the first air suction opening is arranged below the first hot bending furnace, and the second air suction opening is arranged below the second hot bending furnace.
Furthermore, air suction pipelines are arranged in the first hot bending furnace and the second hot bending furnace and are annular pipelines, the air suction pipelines are respectively communicated with the first air suction opening and the second air suction opening, the air suction pipelines are arranged at the bottoms of the first hot bending furnace and the second hot bending furnace, and the air suction openings are formed in the air suction pipelines.
Further, the direction of the air suction opening is upward. Prevent that convulsions from leading to the sudden temperature drop, influence the curved glass of heat and eliminate residual stress.
Compared with the prior art, the utility model discloses a curved stove of single-chamber heat of two intercommunications improves the curved stove waste heat utilization of heat: when the first hot bending furnace is used for annealing glass, the first exhaust fan is started to pump the waste heat of the first hot bending furnace into the second hot bending furnace, and the second hot bending furnace is preheated in advance; when the hot bent glass of the first hot bending furnace is fed, the temperature of the first hot bending furnace is reduced, the second hot bending furnace is used for hot bending glass forming, and when the hot bent glass of the second hot bending furnace is annealed, the waste heat of the second hot bending furnace is pumped into the first hot bending furnace for preheating by starting the second exhaust fan. Through the mutual utilization of the waste heat of the two communicated single-chamber hot bending furnaces, the energy consumption is reduced: the power consumption of 100 kilowatt hours required by the original hot bending glass forming furnace is reduced to 70 kilowatt hours. The utility model has the advantages that: the waste heat utilization of the hot bending furnace is improved, the production cost of hot bending glass is reduced, the forming period of the hot bending glass is shortened, and the competitiveness of enterprises is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the draft duct.
Detailed Description
The invention will be further described with reference to the drawings and specific embodiments, illustrative embodiments and description of which are provided herein to explain the invention, but not as a limitation thereof.
The energy-saving hot bending furnace shown in fig. 1 and 2 comprises a single-chamber hot bending furnace, an exhaust fan and a pipeline, wherein the single-chamber hot bending furnace comprises a first hot bending furnace 1 and a second hot bending furnace 2, the exhaust fan comprises a first exhaust fan 4 and a second exhaust fan 3, and the pipeline comprises an air inlet pipeline 6 and an air return pipeline 5; the first hot bending furnace 1 is provided with a first suction opening 9 and a first air outlet 7, the second hot bending furnace 2 is provided with a second suction opening 10 and a second air outlet 8, the first suction opening 9 is communicated with the second air outlet 8 through an air inlet pipeline 6 and a first exhaust fan 4, and the second suction opening 10 is communicated with the first air outlet 7 through a return air pipeline 5 and a second exhaust fan 3. The first air outlet is arranged above the first hot bending furnace, and the second air outlet is arranged above the second hot bending furnace; the first air suction opening is arranged below the first hot bending furnace, and the second air suction opening is arranged below the second hot bending furnace.
Furthermore, air suction pipelines 11 are arranged in the first hot bending furnace and the second hot bending furnace, the air suction pipelines are annular pipelines, the air suction pipelines are respectively communicated with the first air suction opening and the second air suction opening, the air suction pipelines are arranged at the bottoms of the first hot bending furnace and the second hot bending furnace, and the air suction openings 12 are arranged on the air suction pipelines; the direction of the air suction opening is upward.
When the utility model is used, hot bending glass is formed in the first hot bending furnace 1 through the ascending of the trolley, when the first hot bending furnace is annealed, the first exhaust fan 4 is opened, the trolley of the second hot bending furnace is staggered with the furnace body of the second hot bending furnace to form a gap, and the waste heat of the first hot bending furnace is pumped into the second hot bending furnace to preheat the second hot bending furnace; the temperature of the first hot bending furnace is reduced from about 600 ℃ to about 200-300 ℃ to finish annealing of hot bent glass in the first hot bending furnace, then the first hot bending furnace carries out blanking, the second hot bending furnace carries out heating forming, and the first hot bending furnace carries out reloading; when the second hot bending furnace is annealed, the waste heat of the second hot bending furnace is preheated to the first hot bending furnace through the second exhaust fan 3, and the mutual utilization of the waste heat of the two single-chamber hot bending furnaces is completed.
The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.
Claims (5)
1. The utility model provides an energy-conserving curved stove of heat, includes curved stove of single-chamber heat, air exhauster and pipeline, its characterized in that: the single-chamber hot bending furnace comprises a first hot bending furnace and a second hot bending furnace, the exhaust fan comprises a first exhaust fan and a second exhaust fan, and the pipeline comprises an air inlet pipeline and an air return pipeline; the first hot bending furnace is provided with a first air suction opening and a first air outlet, the second hot bending furnace is provided with a second air suction opening and a second air outlet, the first air suction opening is communicated with the second air outlet through an air inlet pipeline and a first exhaust fan, and the second air suction opening is communicated with the first air outlet through an air return pipeline and a second exhaust fan.
2. The energy-saving hot bending furnace according to claim 1, wherein: the first air outlet is arranged above the first hot bending furnace, and the second air outlet is arranged above the second hot bending furnace.
3. The energy-saving hot bending furnace according to claim 2, wherein: the first air suction opening is arranged below the first hot bending furnace, and the second air suction opening is arranged below the second hot bending furnace.
4. The energy-saving hot bending furnace according to claim 3, wherein: the hot bending furnace is characterized in that air suction pipelines are arranged in the first hot bending furnace and the second hot bending furnace, the air suction pipelines are annular pipelines, the air suction pipelines are respectively communicated with a first air suction opening and a second air suction opening, the air suction pipelines are arranged at the bottoms of the first hot bending furnace and the second hot bending furnace, and the air suction openings are formed in the air suction pipelines.
5. The energy-saving hot bending furnace according to claim 4, wherein: the direction of the air suction opening is upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920433092.0U CN209740980U (en) | 2019-04-02 | 2019-04-02 | Energy-saving hot bending furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920433092.0U CN209740980U (en) | 2019-04-02 | 2019-04-02 | Energy-saving hot bending furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209740980U true CN209740980U (en) | 2019-12-06 |
Family
ID=68719413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920433092.0U Expired - Fee Related CN209740980U (en) | 2019-04-02 | 2019-04-02 | Energy-saving hot bending furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209740980U (en) |
-
2019
- 2019-04-02 CN CN201920433092.0U patent/CN209740980U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191206 Termination date: 20210402 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |