CN220083637U - Smelting device - Google Patents
Smelting device Download PDFInfo
- Publication number
- CN220083637U CN220083637U CN202321517377.5U CN202321517377U CN220083637U CN 220083637 U CN220083637 U CN 220083637U CN 202321517377 U CN202321517377 U CN 202321517377U CN 220083637 U CN220083637 U CN 220083637U
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- CN
- China
- Prior art keywords
- pipe
- gas
- cooling
- exhaust
- port
- Prior art date
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- 238000003723 Smelting Methods 0.000 title claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 84
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 57
- 230000003197 catalytic effect Effects 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 description 21
- 239000002912 waste gas Substances 0.000 description 17
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model provides a smelting device, comprising: a furnace and a crucible, the crucible being disposed within the furnace; the crucible is provided with a feed inlet and an exhaust port; the exhaust gas treatment assembly comprises an air inlet end and an air outlet end; the air inlet end is communicated with the air outlet through a first air outlet pipe, and the air outlet end is connected with a second air outlet pipe; the cooling component is communicated with the air outlet end through a second exhaust pipe; the cooling assembly comprises a cooling cavity and a gas pipeline, and the gas pipeline penetrates through the cooling cavity; one end part of the gas pipeline is communicated with the second exhaust pipe; a water inlet pipe and a water outlet pipe are arranged on the cooling cavity; the gas pipeline is of a serpentine folding structure; the water inlet pipe and the water outlet pipe are respectively arranged at the corresponding sides of the cooling cavity; the gas pipeline comprises a first port, the first port is arranged on one side close to the water inlet pipe, and the first port is connected with the second exhaust pipe.
Description
Technical Field
The utility model relates to metal smelting equipment, in particular to a smelting device.
Background
During metal melting, waste gas containing nitrogen oxides is generated, and the nitrogen oxides in the waste gas pollute the environment;
in the prior art, an exhaust gas treatment assembly is arranged on a smelting device, and the exhaust gas treatment assembly reduces the emission of nitrogen oxides by utilizing the high-temperature and low-oxygen characteristics of the fuel gas, but the gas treated by the exhaust gas treatment assembly is still in a high-temperature state, and the high-temperature gas is directly discharged to the external environment and can still cause negative influence on the environment.
Disclosure of Invention
The utility model aims to provide a smelting device, which aims to solve the technical problems of reducing the temperature during exhaust emission and reducing the negative influence of exhaust on the external environment.
The utility model is realized by the following technical scheme:
a smelting apparatus comprising a furnace, a crucible, an exhaust gas treatment assembly, and a cooling assembly; the crucible is placed in a melting furnace; the crucible is provided with a feed inlet and an exhaust port; the exhaust gas treatment component comprises an air inlet end and an air outlet end; the air inlet end is communicated with the air outlet through a first air outlet pipe, and the air outlet end is connected with a second air outlet pipe; the cooling component is communicated with the air outlet end through a second exhaust pipe.
The crucible is heated in the melting furnace to melt metal, waste gas containing nitrogen oxides is generated in the metal melting process, the waste gas treatment assembly is used for treating the waste gas containing the nitrogen oxides to reduce the content of the nitrogen oxides and obtain high-temperature gas, the cooling assembly is used for cooling the high-temperature gas treated by the waste gas, the temperature of the gas discharged to the external environment is reduced, and the negative influence of the waste gas on the external environment is reduced.
Further, the cooling assembly comprises a cooling cavity and a gas pipeline, wherein the gas pipeline penetrates through the cooling cavity; one end of the gas pipeline is communicated with a second exhaust pipe; the cooling cavity is provided with a water inlet pipe and a water outlet pipe.
Above-mentioned second blast pipe and gas piping intercommunication, gas piping arranges in the cooling chamber, the high temperature gas that gets into gas piping discharges to the external world after cooling the chamber cooling, reduced gaseous temperature, when high temperature gas flow through gas piping, heat is conducted to the cooling water through gas piping, realize heat exchange with the cooling water, the cooling water temperature in this cooling chamber becomes high, the temperature of high temperature gas becomes low, the cooling water in the cooling chamber is poured into from the inlet tube, the outlet pipe flows, guarantee the invariable of cooling water temperature, avoid the cooling water temperature too high can't realize refrigerated purpose.
Further, the joint of the gas pipeline and the cooling cavity is provided with a sealing ring for sealing the cooling cavity, so that leakage of cooling water is avoided.
Further, the gas pipe and the cooling chamber are integrally provided.
Furthermore, the gas pipeline is of a serpentine folding structure, so that the travelling path of high-temperature gas in the cooling cavity is prolonged, and the temperature during gas discharge is further reduced.
Further, the water inlet pipe and the water outlet pipe are respectively arranged at the corresponding sides of the cooling cavity; the gas pipeline comprises a first port and a second port, and the first port is arranged at one side close to the water inlet pipe; the second port is arranged at one side close to the water outlet pipe; the first port is connected to a second exhaust pipe, and the second port is used for exhausting gas.
The high-temperature gas enters the gas pipeline from the first port, flows along the gas pipeline to the second port, the cooling water enters the cooling cavity from the water inlet pipe, flows along the cooling cavity to the water outlet pipe, the temperature of the high-temperature gas is greatly reduced at the moment of entering the cooling cavity, the subsequent high-temperature gas continuously exchanges heat with the cooling water in the flowing process of the gas pipeline, the temperature of the cooling water is increased, the temperature of the high-temperature gas is reduced, and the cooling effect is improved.
Further, the exhaust gas treatment assembly comprises an exhaust fan and a catalytic net which are arranged in parallel, wherein the exhaust fan is close to the air inlet end, the catalytic net is close to the air outlet end, and a catalyst for reducing nitrogen oxides is attached to the catalytic net.
And the exhaust gas in the crucible is extracted by using the exhaust fan, and the nitrogen oxides are reduced by using the catalyst on the catalytic net, so that the emission of the nitrogen oxides is reduced.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
the crucible is heated in the melting furnace to melt metal, waste gas containing nitrogen oxides is generated in the metal melting process, the waste gas treatment assembly is used for treating the waste gas containing the nitrogen oxides to reduce the content of the nitrogen oxides and obtain high-temperature gas, the cooling assembly is used for cooling the high-temperature gas treated by the waste gas, the temperature of the gas discharged to the external environment is reduced, and the negative influence of the waste gas on the external environment is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present utility model, the drawings that are needed in the examples will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and that other related drawings may be obtained from these drawings without inventive effort for a person skilled in the art. In the drawings:
fig. 1 is a schematic view of the external structure provided in embodiment 1;
FIG. 2 is a schematic view showing the melting furnace and crucible disassembled;
FIG. 3 is a schematic diagram of the internal structure of an exhaust treatment assembly;
fig. 4 is an internal plan view schematic of the cooling assembly.
In the drawings, the reference numerals and corresponding part names:
1. a melting furnace; 2. a crucible; 21. a feed inlet; 22. an exhaust port; 3. an exhaust treatment assembly; 31. an exhaust fan; 32. a catalytic mesh; 33. an air inlet end; 34. an air outlet end; 4. a cooling assembly; 41. a water inlet pipe; 42. a water outlet pipe; 43. a gas conduit; 431. a first port; 432. a second port; 44. a cooling chamber; 51. a first exhaust pipe; 52. and a second exhaust pipe.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.
Example 1
Embodiment 1 provides a smelting apparatus comprising:
a furnace 1 and a crucible 2, wherein the crucible 2 is arranged in the furnace 1;
the crucible 2 is provided with a feed inlet 21 and an exhaust outlet 22;
an exhaust treatment assembly 3, said exhaust treatment assembly 3 comprising an inlet end 33 and an outlet end 34;
the air inlet end 33 is communicated with the air outlet 22 through a first air outlet pipe 51, and the air outlet end 34 is connected with a second air outlet pipe 52;
and a cooling assembly 4, wherein the cooling assembly 4 is communicated with the air outlet end 34 through a second exhaust pipe 52.
The crucible 2 is heated in the melting furnace 1 to melt metal, waste gas containing nitrogen oxides is generated in the process of melting metal, the waste gas treatment assembly 3 is used for treating the waste gas containing the nitrogen oxides to reduce the content of the nitrogen oxides and obtain high-temperature gas, the cooling assembly 4 is used for cooling the high-temperature gas treated by the waste gas, the temperature of the gas discharged to the external environment is reduced, and the negative influence of the waste gas on the external environment is reduced.
In a specific embodiment, the cooling assembly 4 comprises a cooling chamber 44 and a gas duct 43,
the gas pipe 43 penetrates the cooling chamber 44;
an end of the gas pipe 43 is screwed to the second exhaust pipe 52;
the cooling chamber 44 is provided with a water inlet pipe 41 and a water outlet pipe 42.
The second exhaust pipe 52 is communicated with the gas pipe 43, the gas pipe 43 is arranged in the cooling cavity 44, the high-temperature gas entering the gas pipe 43 is cooled by the cooling cavity 44 and then discharged to the outside, the temperature of the gas is reduced, when the high-temperature gas flows through the gas pipe 43, heat is conducted to cooling water through the gas pipe 43 to exchange heat with the cooling water, the temperature of the cooling water in the cooling cavity 44 is increased, the temperature of the high-temperature gas is reduced, the cooling water in the cooling cavity 44 is injected from the water inlet pipe 41, the water outlet pipe 42 flows out, the constant temperature of the cooling water is ensured, and the aim that the cooling cannot be realized due to overhigh cooling water temperature is avoided.
In a specific embodiment, a sealing ring for sealing the cooling cavity 44 is disposed at the connection between the gas pipe 43 and the cooling cavity 44, so as to avoid leakage of cooling water.
In a specific embodiment, the gas pipe 43 has a serpentine folded structure, which prolongs the path of the high-temperature gas traveling in the cooling chamber 44, and further reduces the temperature during gas discharge.
In a specific embodiment, the water inlet pipe 41 and the water outlet pipe 42 are respectively disposed on corresponding sides of the cooling cavity 44, which includes, but is not limited to, the following examples:
the water inlet pipe 41 is arranged at the top of the cooling cavity 44, and the water outlet pipe 42 is arranged at the bottom of the cooling cavity 44;
the gas pipe 43 includes a first port 431 and a second port 432, and the first port 431 is disposed at a side close to the water inlet pipe 41;
the second port 432 is disposed at a side close to the water outlet pipe 42;
the first port 431 is connected to the second exhaust pipe 52, and the second port 432 may be connected to an adaptive pipe, and cooled gas is exhausted.
The high temperature gas enters the gas pipe 43 from the first port 431, flows along the gas pipe 43 to the second port 432, and the cooling water enters the cooling chamber 44 from the water inlet pipe 41, flows along the cooling chamber 44 to the water outlet pipe 42, so that the temperature of the high temperature gas is greatly reduced at the moment of entering the cooling chamber 44, and the subsequent high temperature gas continuously exchanges heat with the cooling water in the process of flowing in the gas pipe 43, so that the temperature of the cooling water is increased, the temperature of the high temperature gas is reduced, and the cooling effect is increased.
In a specific embodiment, the exhaust gas treatment assembly 3 includes an exhaust fan 31 and a catalytic mesh 32 disposed in parallel, the exhaust fan 31 is disposed near an inlet end 33, the catalytic mesh 32 is disposed near an outlet end 34, and a catalyst (e.g., an oxide of manganese metal) for reducing nitrogen oxides is attached to the catalytic mesh 32.
Exhaust gas in the crucible 2 is extracted by the exhaust fan 31, and nitrogen oxides are reduced by a catalyst on the catalytic mesh 32, so that emission of the nitrogen oxides is reduced.
Example 2
The difference between this embodiment 2 and embodiment 1 is that the above-mentioned gas pipe 43 and the cooling cavity 44 are integrally disposed, and the gas pipe 43 and the cooling cavity 44 are cast into a whole by using the same material and using a mold, so as to ensure the sealing performance of the cooling cavity 44, avoid leakage of cooling water, and use clean water.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. A smelting apparatus, comprising:
a melting furnace (1);
a crucible (2), wherein the crucible (2) is arranged in the melting furnace (1); the crucible (2) is provided with a feed inlet (21) and an exhaust outlet (22);
an exhaust gas treatment assembly (3), the exhaust gas treatment assembly (3) comprising an inlet end (33) and an outlet end (34); the air inlet end (33) is communicated with the air outlet (22) through a first air outlet pipe (51), and the air outlet end (34) is connected with a second air outlet pipe (52);
and the cooling assembly (4) is communicated with the air outlet end (34) through a second exhaust pipe (52).
2. Smelting apparatus according to claim 1, wherein the cooling assembly (4) comprises a cooling chamber (44) and a gas duct (43), the gas duct (43) extending through the cooling chamber (44);
an end of the gas pipe (43) is communicated with a second exhaust pipe (52);
the cooling cavity (44) is provided with a water inlet pipe (41) and a water outlet pipe (42).
3. Smelting apparatus according to claim 2, wherein a sealing ring for sealing the cooling chamber (44) is provided at the junction of the gas duct (43) and the cooling chamber (44).
4. Smelting apparatus according to claim 2, wherein the gas duct (43) is provided integrally with the cooling chamber (44).
5. Smelting apparatus according to claim 2, wherein the gas duct (43) is of serpentine folded configuration.
6. Smelting apparatus according to claim 2, wherein the inlet pipe (41) and the outlet pipe (42) are arranged on respective sides of the cooling chamber (44);
the gas pipe (43) comprises a first port (431) and a second port (432), the first port (431) being arranged on one side close to the water inlet pipe (41);
the second port (432) is arranged at one side close to the water outlet pipe (42);
the first port (431) is connected to a second exhaust pipe (52), and the second port (432) is for exhausting gas.
7. Smelting apparatus according to claim 1, wherein the exhaust gas treatment assembly (3) comprises an exhaust fan (31) and a catalytic net (32) arranged in parallel, the exhaust fan (31) being arranged close to the inlet end (33), the catalytic net (32) being arranged close to the outlet end (34), a catalyst for reducing nitrogen oxides being attached to the catalytic net (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321517377.5U CN220083637U (en) | 2023-06-14 | 2023-06-14 | Smelting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321517377.5U CN220083637U (en) | 2023-06-14 | 2023-06-14 | Smelting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220083637U true CN220083637U (en) | 2023-11-24 |
Family
ID=88821173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321517377.5U Active CN220083637U (en) | 2023-06-14 | 2023-06-14 | Smelting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220083637U (en) |
-
2023
- 2023-06-14 CN CN202321517377.5U patent/CN220083637U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |