CN211291025U - Gas type energy-saving crucible furnace - Google Patents
Gas type energy-saving crucible furnace Download PDFInfo
- Publication number
- CN211291025U CN211291025U CN201922289688.0U CN201922289688U CN211291025U CN 211291025 U CN211291025 U CN 211291025U CN 201922289688 U CN201922289688 U CN 201922289688U CN 211291025 U CN211291025 U CN 211291025U
- Authority
- CN
- China
- Prior art keywords
- way reversing
- heat storage
- reversing valve
- storage chamber
- gas
- 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.)
- Active
Links
Images
Landscapes
- Crucibles And Fluidized-Bed Furnaces (AREA)
Abstract
The utility model discloses a gas type energy-saving crucible furnace, which comprises a furnace body, a regenerative chamber, a four-way reversing valve, a fan and a smoke exhaust port; the hot flue gas port is communicated with the furnace body, and the burner extends into the furnace body and is communicated with the fuel supply pipe; the heat storage chambers comprise a first heat storage chamber and a second heat storage chamber, and the four-way reversing valve comprises a first four-way reversing valve and a second four-way reversing valve; the first four-way reversing valve is respectively communicated with the hot flue gas port, the first heat storage chamber, the second heat storage chamber and the burner; the second four-way reversing valve is respectively communicated with the first heat storage chamber, the second heat storage chamber, the fan and the smoke exhaust port. Make through designing two four-way reversing valves the utility model discloses only need set up a nozzle, a fan and can circulate hot flue gas, reduced environmental pollution, reduced greenhouse effect, realized the cyclic utilization to hot flue gas, reached energy-concerving and environment-protective requirement. And the utility model discloses the structure is simpler, has reduced manufacturing cost.
Description
Technical Field
The utility model relates to a melting furnace field, specifically speaking relate to an energy-conserving crucible furnace of gas formula.
Background
The gas aluminum melting furnace and the gas (fuel oil) crucible melting holding furnace can be used for melting casting and hot dipping of non-ferrous metal materials such as aluminum, zinc, copper and the like.
However, if the requirements of energy conservation and environmental protection are further met, the gas aluminum melting furnace in the prior art can be realized only by installing a plurality of burners, a plurality of fans and other parts, so that the structure of the gas aluminum melting furnace becomes complicated, and the manufacturing cost is also increased.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an energy-conserving crucible furnace of gas formula to overcome among the prior art gas and melt the defect that the aluminium stove has complicated structure, high in manufacturing cost.
In order to solve the technical problem, the gas type energy-saving crucible furnace comprises a furnace body, a heat storage chamber, a four-way reversing valve, a fan and a smoke exhaust port; the hot flue gas port is communicated with the furnace body, and the burner extends into the furnace body and is communicated with the fuel supply pipe; the four-way reversing valve comprises a first four-way reversing valve and a second four-way reversing valve; the first four-way reversing valve is respectively communicated with the hot flue gas port, the first heat storage chamber, the second heat storage chamber and the burner; the second four-way reversing valve is respectively communicated with the first heat storage chamber, the second heat storage chamber, the fan and the smoke exhaust port.
The first four-way reversing valve is communicated with the hot smoke port, the first heat storage chamber, the second heat storage chamber and the burner through pipelines respectively.
The second four-way reversing valve is communicated with the first heat storage chamber, the second heat storage chamber, the fan and the smoke exhaust port through pipelines respectively.
The first four-way reversing valve is communicated with the upper parts of the first heat storage chamber and the second heat storage chamber respectively.
The second four-way reversing valve is communicated with the lower parts of the first heat storage chamber and the second heat storage chamber respectively.
Wherein, the hot flue gas mouth is located the upper portion in the furnace body.
Wherein, the burner is arranged at the lower part in the furnace body.
A first pressure gauge is arranged on a pipeline communicated with the first four-way reversing valve and the burner; and a second pressure gauge is arranged on a pipeline communicated with the second four-way reversing valve and the first heat storage chamber.
Wherein, a fuel gas flow meter, a pressure reducing valve, an electromagnetic valve, a third pressure meter and an air-fuel proportional valve are sequentially arranged on the fuel supply pipe.
And an air flow meter feedback pipe is arranged on a pipeline communicated with the first four-way reversing valve and the burner, and feeds back the air flow on the pipeline to the air-fuel proportional valve to control the size of fuel gas.
Compared with the prior art, the beneficial effects of the utility model are that make through designing two cross directional control valves the utility model discloses only need set up a nozzle, a fan can circulate hot flue gas, reduced environmental pollution, reduced greenhouse effect, realized the cyclic utilization to hot flue gas, reached energy-concerving and environment-protective requirement. And the utility model discloses the structure is simpler, has reduced manufacturing cost.
Drawings
FIG. 1 is a schematic view of a first three-dimensional structure of the gas-fired energy-saving crucible furnace of the present invention;
FIG. 2 is a schematic diagram of a second three-dimensional structure of the gas-fired energy-saving crucible furnace of the present invention;
FIG. 3 is a schematic structural view of the gas energy-saving crucible furnace of the present invention for removing the furnace shell;
FIG. 4 is a first structural schematic diagram of the removal furnace body of the gas-fired energy-saving crucible furnace of the present invention;
FIG. 5 is a second schematic structural view of the removal furnace body of the gas-fired energy-saving crucible furnace of the present invention;
FIG. 6 is a third schematic view of the gas type energy-saving crucible furnace removing body of the present invention;
FIG. 7 is a schematic view of the working principle structure of the gas energy-saving crucible furnace of the present invention.
In the drawings: 1. the device comprises a material leakage opening, 2, a furnace body, 3, a crucible, 4, a fan, 5, a smoke exhaust opening, 6, a burner, 7, a fuel supply pipe, 8, a gas flowmeter, 9, a pressure reducing valve, 10, an electromagnetic valve, 11, a third pressure gauge, 12, an air-fuel proportional valve, 13, a third pipeline, 14, an air flow meter feedback pipe, 15, a control box system, 16, a first heat storage chamber, 17, a second heat storage chamber, 18, a first four-way reversing valve, 19, a second four-way reversing valve, 20, a first pipeline, 21, a second pipeline, 22, a fourth pipeline, 23, a hot smoke exhaust opening, 24, a second pressure gauge, 25, a fifth pipeline, 26, a sixth pipeline, 27, a seventh pipeline, 28, an eighth pipeline, 29, a first pressure gauge, 30 and a baffle plate.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The gas type energy-saving crucible furnace of the utility model is shown in figures 1, 2, 3, 4, 5 and 6, and comprises a furnace body 2 with a material leakage port 1 and a baffle 30, and a crucible 3 arranged in the furnace body; a fan 4 (the fan in this embodiment is a booster fan), and a smoke exhaust port 5; stretch out nozzle 6 in the internal lower part of furnace, the nozzle heats the crucible so that melt non ferrous metal materials such as aluminium, copper or zinc when being used for the gas burning, nozzle intercommunication fuel supply pipe 7, be equipped with the gas flow meter 8 that is used for looking over the gas quantity on the fuel supply pipe in proper order, be used for stabilizing gas pressure's relief pressure valve 9, be used for controlling the solenoid valve 10 of gas break-make, be used for looking over gas pressure's third manometer 11, be used for controlling the air-fuel proportional valve 12 of gas size. And an air flow meter feedback pipe 14 is arranged on a third pipeline 13 communicated with the first four-way reversing valve and the burner, and feeds back the air flow on the third pipeline to the air-fuel proportional valve to control the size of the fuel gas, namely, the larger the air flow detected on the third pipeline is, the larger the control box system 15 controls the opening of the air-fuel proportional valve to be, the larger the fuel gas is. The regenerative chambers comprise a first regenerative chamber 16 and a second regenerative chamber 17, the four-way reversing valve comprises a first four-way reversing valve 18 (the model of the embodiment is preferably DN150) and a second four-way reversing valve 19 (the model of the embodiment is preferably DN100), and the first four-way reversing valve and the second four-way reversing valve have the same structure, but the first four-way reversing valve is preferably superior in high temperature resistance. The first four-way reversing valve is communicated with a hot smoke port 23, a first heat storage chamber, a second heat storage chamber and a burner through a first pipeline 20, a second pipeline 21, a third pipeline 13 and a fourth pipeline 22 respectively. The hot flue gas enters a first four-way reversing valve from a hot flue gas port communicated with the upper part in the furnace body through a first pipeline, and the first four-way reversing valve is distributed to a first heat storage chamber and a second heat storage chamber through a second pipeline and a fourth pipeline respectively according to requirements. The second four-way reversing valve is communicated with the first regenerative chamber, the second regenerative chamber, the fan 4 and the smoke exhaust port 5 through a fifth pipeline 25, a sixth pipeline 26, a seventh pipeline 27 and an eighth pipeline 28. And the first four-way reversing valve is communicated with the upper parts of the first heat storage chamber and the second heat storage chamber through a second pipeline and a fourth pipeline respectively. And the second four-way reversing valve is communicated with the lower parts of the first heat storage chamber and the second heat storage chamber through a sixth pipeline and an eighth pipeline respectively. And a third pipeline communicated with the first four-way reversing valve and the burner is provided with a first pressure gauge 29 for checking air pressure. And a second pressure gauge 24 for checking air pressure is arranged on an eighth pipeline communicated with the second four-way reversing valve and the first heat storage chamber.
As shown in fig. 7, during the use of the utility model, in throwing into the crucible with the aluminium scrap material, then open the solenoid valve, the natural gas is from fuel supply pipe to the 6 gas of nozzle, fan 4 sends the air into second four-way reversing valve 19 in proper order simultaneously, first regenerator 16, first four-way reversing valve 18, nozzle 6, it burns to ignite by the electronic ignition ware on the nozzle after air and gas mix, thereby the realization heats in order to dissolve the aluminium scrap material to the crucible, the hot flue gas of high temperature after the burning in the furnace body gets into first four-way reversing valve 18 from hot flue gas mouth 23 in proper order, second regenerator 17 (the heat of the hot flue gas overwhelming majority of heat at this moment can be stored in the second regenerator), second four-way reversing valve 19, the hot flue gas after the final cooling is discharged through exhaust gas mouth 5.
Then the control box system controls the first four-way reversing valve and the second four-way reversing valve to switch directions, at the moment, the fan 4 sends air into the second four-way reversing valve 19, the second heat storage chamber 17, the first four-way reversing valve 18 and the burner 6 in sequence until the air (the air at the moment obtains heat in the second heat storage chamber) is mixed with fuel gas and then is combusted, so that the crucible is continuously heated, high-temperature hot flue gas combusted in the furnace body enters the first four-way reversing valve 18, the first heat storage chamber 16 and the second four-way reversing valve 19 from the hot flue gas port in sequence, and finally, the cooled low-temperature hot flue gas is discharged through the flue gas port 5.
The switching time of the first four-way reversing valve and the second four-way reversing valve is 50-60 seconds, and the operation is circulated in such a way, so that the furnace body is always at a high temperature. Therefore, energy consumption can be effectively reduced, the heat efficiency is improved, the temperature of high-temperature hot flue gas is about 800-900 ℃, after most of heat is absorbed by the heat storage chamber, the temperature of low-temperature hot flue gas discharged from the smoke exhaust port is only about 100 ℃, and air cannot be polluted after the low-temperature hot flue gas is discharged.
The utility model discloses a design two four-way reversing valves and make the utility model discloses only need set up a nozzle, a fan can circulate hot flue gas, reduced environmental pollution, reduced greenhouse effect, realized the cyclic utilization to hot flue gas, reached energy-concerving and environment-protective requirement. And the utility model discloses the structure is simpler, has reduced manufacturing cost.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A gas type energy-saving crucible furnace comprises a furnace body, a regenerative chamber, a four-way reversing valve, a fan and a smoke exhaust port; the hot flue gas port is communicated with the furnace body, and the burner extends into the furnace body and is communicated with the fuel supply pipe;
the method is characterized in that: the four-way reversing valve comprises a first four-way reversing valve and a second four-way reversing valve; the first four-way reversing valve is respectively communicated with the hot flue gas port, the first heat storage chamber, the second heat storage chamber and the burner; the second four-way reversing valve is respectively communicated with the first heat storage chamber, the second heat storage chamber, the fan and the smoke exhaust port.
2. A gas-fired energy-saving crucible furnace as claimed in claim 1, wherein: the first four-way reversing valve is communicated with the hot smoke port, the first heat storage chamber, the second heat storage chamber and the burner through pipelines respectively.
3. A gas-fired energy-saving crucible furnace as claimed in claim 1 or 2, wherein: the second four-way reversing valve is communicated with the first heat storage chamber, the second heat storage chamber, the fan and the smoke exhaust port through pipelines respectively.
4. A gas-fired energy-saving crucible furnace as claimed in claim 1, wherein: the first four-way reversing valve is respectively communicated with the upper parts of the first heat storage chamber and the second heat storage chamber.
5. The gas-fired energy-saving crucible furnace according to claim 1 or 4, characterized in that: and the second four-way reversing valve is respectively communicated with the lower parts of the first heat storage chamber and the second heat storage chamber.
6. A gas-fired energy-saving crucible furnace as claimed in claim 5, wherein: the hot smoke port is arranged at the upper part in the furnace body.
7. A gas-fired energy-saving crucible furnace as claimed in claim 6, wherein: the burner is arranged at the lower part in the furnace body.
8. A gas-fired energy-saving crucible furnace as claimed in claim 3, wherein: a first pressure gauge is arranged on a pipeline communicated with the first four-way reversing valve and the burner; and a second pressure gauge is arranged on a pipeline communicated with the second four-way reversing valve and the first heat storage chamber.
9. A gas-fired energy-saving crucible furnace as claimed in claim 1, wherein: and the fuel supply pipe is sequentially provided with a gas flowmeter, a pressure reducing valve, an electromagnetic valve, a third pressure gauge and an air-fuel proportional valve.
10. A gas-fired energy-saving crucible furnace as claimed in claim 9, wherein: an air flow meter feedback pipe is arranged on a pipeline communicated with the first four-way reversing valve and the burner, and feeds back the air flow on the pipeline to the air-fuel proportional valve to control the size of fuel gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922289688.0U CN211291025U (en) | 2019-12-19 | 2019-12-19 | Gas type energy-saving crucible furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922289688.0U CN211291025U (en) | 2019-12-19 | 2019-12-19 | Gas type energy-saving crucible furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211291025U true CN211291025U (en) | 2020-08-18 |
Family
ID=72019296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922289688.0U Active CN211291025U (en) | 2019-12-19 | 2019-12-19 | Gas type energy-saving crucible furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211291025U (en) |
-
2019
- 2019-12-19 CN CN201922289688.0U patent/CN211291025U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103438478B (en) | Aluminium melting furnace rotary heat accumulating type burner | |
| CN2835923Y (en) | Energy-saving environment-friendly gas-fired crucible furnace | |
| CN105423750A (en) | Aluminum melting furnace | |
| CN110873531A (en) | Gas type energy-saving crucible furnace | |
| CN211291025U (en) | Gas type energy-saving crucible furnace | |
| CN204690079U (en) | A kind of double-regenerative heating furnace | |
| CN204739901U (en) | Recuperative heater with circulation canal | |
| CN209042342U (en) | A kind of rich oxygen type heat accumulating burner | |
| CN203657211U (en) | Waste heat comprehensive utilization system of biomass boiler | |
| CN1301335C (en) | High-air temp hot-blast stove for blast furnace | |
| CN203824317U (en) | Solid fuel smelter | |
| CN207280224U (en) | A kind of full hot wind furnace temperature automatic control regenerative combustion system | |
| CN201935557U (en) | Regenerative combustion furnace | |
| CN202945289U (en) | Dual-purpose furnace for decontaminating, heating and tempering oil pipe | |
| CN207081204U (en) | A kind of solar water supply boiler | |
| CN206095015U (en) | High -efficient drying -machine energy conversion device | |
| CN105115312A (en) | Method for utilizing kiln flue gas to perform secondary mixed combustion | |
| CN204901870U (en) | Heat preservation is heat accumulation combustor for stove | |
| CN220567884U (en) | Quick heating air supply device for kiln | |
| CN206478675U (en) | A kind of adjustable combustion control system of air-fuel ratio | |
| CN204254652U (en) | A kind of boiler energy-saving heater | |
| CN204853503U (en) | Energy -saving burning furnace that burns | |
| CN219913092U (en) | Direct-fired furnace equipment | |
| CN214700692U (en) | Gas furnace pipeline structure capable of realizing four-section combustion | |
| CN210625370U (en) | Heat energy recycling system of prebake oven |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |