CN105251964A - Device for preheating die by means of waste gas of die casting smelting furnace - Google Patents
Device for preheating die by means of waste gas of die casting smelting furnace Download PDFInfo
- Publication number
- CN105251964A CN105251964A CN201510747851.7A CN201510747851A CN105251964A CN 105251964 A CN105251964 A CN 105251964A CN 201510747851 A CN201510747851 A CN 201510747851A CN 105251964 A CN105251964 A CN 105251964A
- Authority
- CN
- China
- Prior art keywords
- air
- smelting furnace
- heat exchanger
- flue gas
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a device for preheating a die by means of waste gas of a die casting smelting furnace. The scheme is provided according to the technical problem that energy is extra consumed due to die preheating needs in the prior art. The device comprises an air inlet pipeline, a heat exchanger, a high-temperature flue gas pipeline, a hot air pipeline, a fan, nozzles and a preheating chamber. The air inlet pipeline is connected to the corresponding air inlet end of the heat exchanger. The heat exchanger is arranged on the high-temperature flue gas pipeline, and the air outlet end of the heat exchanger is connected with the hot air pipeline. The hot air pipeline is provided with the fan, the air outlet end of the hot air pipeline stretches into the preheating chamber, and the multiple nozzles are arranged. The device has the technical effects that resources in a system are fully utilized, and therefore energy is saved.
Description
Technical field
The present invention relates to mold heated field, particularly relate to a kind of device utilizing Smelting furnace for pressure casting heating by the exhaust gases mould.
Background technology
Die casting is (English: to be diecasting) a kind of metal casting technique, to be characterized in utilizing mold cavity to apply high pressure to molten metal.Mould on die casting machine normally processes with the alloy that intensity is higher, a bit similar injection mo(u)lding of this process.In the process of die casting, mold temperature is the key factor affecting casting quality, and mold temperature is too low, cast-internal short texture, and air discharges difficulty, is difficult to shaping.Mold internal-external temperature difference is excessive also can bring such as stress rupture, the problem such as folding mould is obstructed, setting rate is uneven.Therefore, before Die Casting, tackle mould carry out sufficient preheating, to reach the object improving cast-internal and surface quality and improve die casting service life.Before, to the heating of mould, usually need the energy consuming die casting machine outside as combustion gas, electric energy etc., this just brings the lifting of cost.
But meanwhile, the available energy (as heat energy in smelting furnace flue gas) of Smelting furnace for pressure casting (Smelting furnace for pressure casting is directly connected with die casting machine, and this Smelting furnace for pressure casting is the high temperature furnace for deposite metal) but can be discharged out die casting machine along with pipeline, causes the waste of the energy.
Summary of the invention
In order to reach the object of economize energy, the invention provides a kind of device utilizing Smelting furnace for pressure casting heating by the exhaust gases mould.
A kind of device utilizing Smelting furnace for pressure casting heating by the exhaust gases mould in this programme, be arranged on the high-temperature flue gas pipeline of Smelting furnace for pressure casting discharge flue gas, comprise the air intake pipe, heat exchanger, hot-air duct, fan, nozzle and the preheating chamber that connect successively according to air circulation direction, described heat exchanger is connected on the high-temperature flue gas pipeline of Smelting furnace for pressure casting discharge flue gas.
Operation principle and beneficial effect: the high-temperature flue gas produced when high-temperature flue gas pipeline is in order to draw smelting furnace internal heating metal.The energy heats that heat exchanger utilizes high-temperature flue gas to provide is from the air of air.Air after heating flows through hot-air duct under the driving of fan, and the mould that the nozzle finally by hot-air road end is opposite in preheating chamber carries out jet flow heating.By the recovery to heat energy in high-temperature flue gas, resource is fully used, and accordingly, also just decreases the consumption to the energy in Die Casting process, serves economize energy, the effect reduced costs.
Further, between described warm-air pipe and nozzle, be equipped with mixing chamber, be provided with temperature switch in it, it is circumscribed with cold-air duct, and cold-air duct is provided with the valve and air pump that are controlled by described temperature switch.Like this, air themperature in mixing chamber can be reduced by the mode opening the air in valve and air pump suction air by temperature switch, the temperature of hot-air remains at below the operating temperature of temperature switch, and then ensures that the temperature of mould remains on below certain numerical value.
Further, described heat exchanger will adopt ceramic heat exchange heat exchanger.Relative to metallic recuperator, ceramic heat exchanger thermal conductivity is high, and by air heat to higher temperature, can not only increase the utilization rate of heat energy, and what also broaden preheating device can the temperature range of preheating.
Further, described ceramic heat exchanger will use the ceramic heat exchanger of corundum material.Corundum material refractoriness is high, and slag resistance is stablized, and can increase the life-span of heat exchanger.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention utilizes the device embodiment of Smelting furnace for pressure casting heating by the exhaust gases mould.
Detailed description of the invention
Below by detailed description of the invention, the present invention is further detailed explanation:
Reference numeral in Figure of description comprises: air intake pipe 1, high-temperature flue gas pipeline 2, heat exchanger 3, hot-air duct 4, high temperature fan 5, mixing chamber 6, preheating chamber 7, mould 8, nozzle 9, cold-air duct 10, air pump 11, controllable valve 12.
Embodiment is substantially as shown in Figure 1:
Utilize the device of Smelting furnace for pressure casting heating by the exhaust gases mould to comprise in this programme, air intake pipe 1, its air inlet one end and air are connected, and one end of giving vent to anger is connected with heat exchanger 3, and the heat exchanger 3 in this enforcement is corundum ceramic heat exchanger.Heat exchanger 3 itself is arranged on the high-temperature flue gas pipeline 2 of Smelting furnace for pressure casting, and its function is to utilize high-temperature flue gas to heat the air flowing through heat exchanger 3.Like this, originally with high-temperature flue gas discharge, discarded heat energy has just been transferred to the air introduced in air.The outlet side of heat exchanger 3 is connected to hot-air duct 4, and it reaches with cold-air duct 10 effect be communicated with by heat exchanger 3.The outlet side of hot-air duct 4 is stretched in mixing chamber 6, this pipeline is also provided with high temperature fan 5, and under the driving of high temperature fan 5, the air in air enters air intake pipe 1, flow through again heat exchanger absorb heat, after flow in mixing chamber 6 through hot-air duct 4.Mixing chamber 6, built with temperature switch, has outside mixing chamber 6 and is connected to cold-air duct 10, can be communicated with air, this pipeline is also provided with controllable valve 12 and air pump 11, and the two is all controlled to open or close by temperature switch.Temperature switch is set to when the temperature in mixing chamber 6 is higher than operating temperature, and unlatching controllable valve 12 also booster air pump 11 is bled in hybrid room 6, otherwise then closes.Mixing chamber 6 is arranged on the top of preheating chamber 7, is also provided with the nozzle 9 that several stretch into preheating chamber 7 bottom mixing chamber 6.Mould 8 is placed in preheating chamber 7, is in the below of nozzle 9 gas outlet.Like this, nozzle 9, with regard to the mode of available spray, utilizes hot-air to carry out preheating to mould 8.
Operation principle:
Under the driving of high temperature fan 5, after the air in air enters heat exchanger 3 by air intake pipe 1, by the flue gas in high-temperature flue gas pipeline 2, then enter mixing chamber 6 via hot-air duct 4.If the temperature now in mixing chamber 6 is higher than the operating temperature of temperature switch in mixing chamber 6, control controllable valve 11 is opened unlatching air pump 12 simultaneously and is bled by temperature switch.Now, the air in air is drawn in mixing chamber 6 via cold-air duct 10 and mixes with hot-air, until the temperature in mixing chamber 6 is brought down below design temperature, temperature switch will close controllable valve and air pump.Like this, in mixing chamber 6, the temperature of air has just been controlled under the operating temperature of temperature switch.Meanwhile, the hot-air in mixing chamber 6 is heated the mould 8 that preheating chamber 7 is built in below each nozzle 9 in the mode of jet flow respectively by nozzle 9.Temperature due to the hot-air for heating is controlled under certain numerical value, and accordingly, mould 8 has also just been controlled under certain numerical value by the maximum temperature heated.Because heat that heating mould is used comes from the high-temperature flue gas of furnace emissions completely, do not use the extra energy, this embodiment reduces the consumption to the energy in Die Casting process, serve economize energy, the effect reduced costs.
Above-described is only embodiments of the invention, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from structure of the present invention, some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.The protection domain that this application claims should be as the criterion with the content of its claim, and the detailed description of the invention in description etc. record the content that may be used for explaining claim.
Claims (4)
1. one kind utilizes the device of Smelting furnace for pressure casting heating by the exhaust gases mould, be arranged on the high-temperature flue gas pipeline of Smelting furnace for pressure casting discharge flue gas, it is characterized in that: comprise the air intake pipe, heat exchanger, hot-air duct, fan, nozzle and the preheating chamber that connect successively according to air circulation direction, described heat exchanger is connected on the high-temperature flue gas pipeline of Smelting furnace for pressure casting discharge flue gas.
2. the device utilizing Smelting furnace for pressure casting heating by the exhaust gases mould according to claim 1, it is characterized in that: between described warm-air pipe and described nozzle, be equipped with mixing chamber, temperature switch is provided with in it, mixing chamber is circumscribed with cold-air duct, and described cold-air duct is provided with the valve and air pump that are controlled by temperature switch.
3. the device utilizing Smelting furnace for pressure casting heating by the exhaust gases mould according to claim 2, is characterized in that: the described hot device that connects is that pottery connects hot device.
4. the device utilizing Smelting furnace for pressure casting heating by the exhaust gases mould according to claim 3, is characterized in that: it is that corundum pottery connects hot device that described pottery connects hot device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510747851.7A CN105251964A (en) | 2015-11-06 | 2015-11-06 | Device for preheating die by means of waste gas of die casting smelting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510747851.7A CN105251964A (en) | 2015-11-06 | 2015-11-06 | Device for preheating die by means of waste gas of die casting smelting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105251964A true CN105251964A (en) | 2016-01-20 |
Family
ID=55092059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510747851.7A Pending CN105251964A (en) | 2015-11-06 | 2015-11-06 | Device for preheating die by means of waste gas of die casting smelting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105251964A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110039029A (en) * | 2019-05-21 | 2019-07-23 | 天能电池(芜湖)有限公司 | Cast welding keeps the temperature consumption reducing device |
| CN114042877A (en) * | 2021-11-16 | 2022-02-15 | 中冶南方连铸技术工程有限责任公司 | Preheating system based on waste flue gas preheating plate blank crystallizer and control method thereof |
-
2015
- 2015-11-06 CN CN201510747851.7A patent/CN105251964A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110039029A (en) * | 2019-05-21 | 2019-07-23 | 天能电池(芜湖)有限公司 | Cast welding keeps the temperature consumption reducing device |
| CN114042877A (en) * | 2021-11-16 | 2022-02-15 | 中冶南方连铸技术工程有限责任公司 | Preheating system based on waste flue gas preheating plate blank crystallizer and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106440836B (en) | A kind of ceramic energy saving stove of efficient relay recycling cooling residual heat | |
| CN206207943U (en) | A kind of wood industry sheet material drying unit | |
| CN104596283B (en) | High-efficient and energy-saving aluminum rod mixing heating furnace | |
| CN105403061B (en) | It is a kind of to recycle the energy saving kiln that cooling residual heat improves combustion-supporting air temperature | |
| CN105251964A (en) | Device for preheating die by means of waste gas of die casting smelting furnace | |
| CN206530389U (en) | Engine exhaust utilizes system and the automobile using the system | |
| CN205324679U (en) | Utilize die -casting smelting pot waste gas to preheat device of mould | |
| CN208042859U (en) | A kind of preheating of fused salt storage tank and salt dissolving system | |
| CN206131029U (en) | Automobile coating radiation area heating furnace waste heat recovery device | |
| CN104028440A (en) | Fresh air preheating device of drying oven | |
| CN205228190U (en) | Cyclic utilization cooling waste heat improves energy -conserving kiln of combustion -supporting wind -warm syndrome degree | |
| CN211177904U (en) | Energy-saving kiln | |
| CN203600771U (en) | Energy-saving drying device for printing press | |
| CN207963513U (en) | A kind of liquid crystal firing furnace exhaust gas heat reclamation device | |
| CN207702968U (en) | A kind of rotary kiln cooler baking kiln system | |
| CN209271842U (en) | A kind of spraying aluminum profile curing oven | |
| CN204616951U (en) | Tea leaf water-removing device | |
| CN205228085U (en) | Vertical separated type dry -off oven | |
| CN205300339U (en) | Improve device of carbon black granulator steam efficiency | |
| CN210922180U (en) | Energy-saving roasting furnace capable of heating uniformly | |
| KR102012099B1 (en) | Hot air suppling device for furnace | |
| CN204959552U (en) | Mixing drum and multi behavior maintenance truck | |
| CN105627765A (en) | Device for recycling waste heat of aluminum melting furnace efficiently | |
| CN114812183B (en) | Precoated sand regenerating furnace capable of utilizing heat | |
| CN210862264U (en) | Sintering kiln system capable of recycling and utilizing waste heat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160120 |
|
| WD01 | Invention patent application deemed withdrawn after publication |