CN212039490U - Cyclone dust hood of intermediate frequency furnace - Google Patents
Cyclone dust hood of intermediate frequency furnace Download PDFInfo
- Publication number
- CN212039490U CN212039490U CN202020107170.0U CN202020107170U CN212039490U CN 212039490 U CN212039490 U CN 212039490U CN 202020107170 U CN202020107170 U CN 202020107170U CN 212039490 U CN212039490 U CN 212039490U
- Authority
- CN
- China
- Prior art keywords
- intermediate frequency
- frequency furnace
- gas collecting
- cyclone
- chamber
- 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.)
- Expired - Fee Related
Links
- 239000000428 dust Substances 0.000 title claims abstract description 55
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000000605 extraction Methods 0.000 claims abstract description 10
- 210000001503 joint Anatomy 0.000 claims description 20
- 239000000779 smoke Substances 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 21
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 15
- 239000003546 flue gas Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Images
Abstract
The utility model discloses a cyclone dust hood of an intermediate frequency furnace, which comprises a shell, wherein a cyclone cavity is fixedly arranged at the top of the shell, and a negative pressure port connected with an external dust remover is arranged at the top end of the cyclone cavity; the inside first gas collecting chamber and the second gas collecting chamber of being equipped with of casing, first gas collecting chamber and second gas collecting chamber all are linked together with the extraction opening that sets firmly at the casing top, and the extraction opening is linked together through connecting pipe and whirlwind chamber. The utility model aims at providing a flue gas treatment is efficient, and the flue gas does not have the gathering in the dust excluding hood, adds the efficient intermediate frequency furnace whirlwind dust excluding hood of material.
Description
Technical Field
The utility model belongs to forge the dust removal field, concretely relates to intermediate frequency furnace whirlwind dust excluding hood.
Background
At present, in the field of smelting and forging, an intermediate frequency furnace is mainly used for smelting carbon steel, alloy steel and the like, molten steel is poured into a ladle by the intermediate frequency furnace when pouring operation is carried out, and the intermediate frequency furnace is high in efficiency, small in size and low in power consumption and is widely applied. When casting is carried out, in order to improve the quality of cast iron, casting is carried out by adopting an in-ladle pouring method, a rare earth nodulizer, a deslagging agent and the like need to be placed in a foundry ladle, a large amount of smoke particles can be released due to reduction and oxidation reactions, and the smoke particles contain a large amount of toxic substances such as silicon oxide, iron oxide and the like, so that serious atmospheric thermal pollution and dust pollution are caused.
The dust excluding hood that prior art generally adopts the shape to be U type structure covers the intermediate frequency furnace from the top, negative pressure suction smoke and dust carries out from the top, but to a large amount of smoke and dust that the intermediate frequency furnace short time produced when pouring, the dust excluding hood that adopts among the prior art can not accomplish effective suction in the short time, the flue gas is because not flowing in the dust excluding hood, the convergence is made one group, can not be fallen by rapid processing, and still have some dispersion to cause atmosphere thermal pollution and dust pollution in the air, suction effect to the smoke and dust is very unsatisfactory. The dust excluding hood integrated into one piece that adopts among the prior art, when needing to add the material in the middle frequency furnace in the looks, must wholly remove the dust excluding hood, and operation process is loaded down with trivial details, and efficiency is extremely low.
SUMMERY OF THE UTILITY MODEL
For solving the not enough of prior art, the utility model aims at providing a flue gas treatment is efficient, and the flue gas does not have the gathering in the dust excluding hood, adds the efficient intermediate frequency furnace whirlwind dust excluding hood of material.
In order to achieve the above object, the utility model adopts the following technical scheme:
a cyclone dust hood of an intermediate frequency furnace comprises a shell, wherein a cyclone cavity is fixedly arranged at the top of the shell, and a negative pressure port connected with an external dust remover is arranged at the top end of the cyclone cavity; the inside first gas collecting chamber and the second gas collecting chamber of being equipped with of casing, first gas collecting chamber and second gas collecting chamber all are linked together with the extraction opening that sets firmly at the casing top, and the extraction opening is linked together through connecting pipe and whirlwind chamber.
Preferably, the connecting pipe is communicated with the side surface of the cyclone chamber in a manner of inclining clockwise in the horizontal direction.
Preferably, a butt joint plate in cross butt joint is arranged between the first gas collecting cavity and the second gas collecting cavity, and the butt joint plate is made of flexible fireproof high-temperature-resistant materials.
Preferably, a filter plate is arranged at the joint of the air exhaust port and the first air collecting cavity as well as the joint of the air exhaust port and the second air collecting cavity, and an air vent is arranged on the filter plate.
Preferably, a fixing block for fixed installation is arranged on the side surface of the shell.
Preferably, a smoke baffle is vertically and downwards fixedly arranged on the side surface of the shell.
The utility model discloses the beneficial effect who has does:
1. compare with prior art dust excluding hood only through simple top negative pressure suction, the utility model discloses a connecting pipe on the horizontal direction, clockwise tilting the intercommunication in the side in whirlwind chamber, the flue gas that gets into the whirlwind intracavity by the connecting pipe can form powerful rotatory air current in the whirlwind intracavity, is showing and is improving the air velocity in the casing, makes the flue gas can not the casing inside again gather and do a group, and flue gas treatment effeciency is showing and is improving.
2. Compared with the prior art that the dust hood is integrally formed, when materials are added into the intermediate frequency furnace, the dust hood needs to be integrally removed, the butt joint plates which are in cross butt joint are arranged between the first gas collecting cavity and the second gas collecting cavity, the butt joint plates are made of flexible fire-resistant and high-temperature-resistant materials, and the butt joint plates are in cross butt joint during dust removal operation, so that a good sealing effect is achieved, and the smoke can be effectively prevented from diffusing outwards through the butt joint plates; when the materials need to be added into the intermediate frequency furnace, the hoisting ropes only need to pass through the middle staggered butt joint plates, the materials are hoisted to be conveyed to the position of the intermediate frequency furnace from the lower part of the dust hood, the materials are added, the material adding operation is simple and convenient, and the efficiency is obviously improved.
3. The side surface of the shell is vertically and downwards fixedly provided with the smoke baffle, so that the smoke which is dispersed around can be effectively blocked, and the outward diffusion of the smoke is obviously reduced.
4. The filter plate with the air vent can effectively filter sundries and prevent the sundries from entering the cyclone cavity to influence the dust removal operation.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 1;
fig. 4 is an enlarged view at B in fig. 1.
Detailed Description
As shown in figures 1-4, the cyclone dust hood of the intermediate frequency furnace comprises a housing 1, a cyclone chamber 2 is fixedly arranged at the top of the housing 1, a negative pressure port 21 connected with an external dust remover is arranged at the top end of the cyclone chamber 2, and the external strong negative pressure dust remover can pump away smoke dust entering the cyclone chamber 2 through the negative pressure port 21 for further dust removal treatment.
The inside first gas collecting chamber 11 and the second gas collecting chamber 12 that are equipped with of casing 1, first gas collecting chamber 11 and second gas collecting chamber 12 all are linked together with the extraction opening 14 that sets firmly at casing 1 top, and extraction opening 14 is linked together through connecting pipe 13 and cyclone chamber 2, and the flue gas that gets into in the first gas collecting chamber 11 of dust excluding hood and the second gas collecting chamber 12 gets into cyclone chamber 2 through extraction opening 14 in. The connection part of the air exhaust port 14, the first air collecting cavity 11 and the second air collecting cavity 12 is provided with a filter plate 18, the filter plate 18 is provided with an air vent 181, sundries can be effectively filtered through the filter plate 18 provided with the air vent 181, and the sundries are prevented from entering the cyclone cavity 2 to influence the dust removal operation. Compare with prior art dust excluding hood only through simple top negative pressure suction, the utility model discloses a connecting pipe 13 on the horizontal direction, clockwise tilting the intercommunication in the side of whirlwind chamber 2, make by the flue gas that connecting pipe 13 got into in whirlwind chamber 2 can form powerful rotatory air current in whirlwind chamber 2, show the air velocity who has improved in the casing 1, make the flue gas can not the casing 1 inside again gather and do a group, flue gas treatment efficiency is showing and is improving. The side surface of the shell 1 is vertically and downwards fixedly provided with a smoke baffle 15 which can effectively block the smoke dispersed around and obviously reduce the outward diffusion of the smoke.
Compared with the prior art that the dust hood is integrally formed, when materials are added into the intermediate frequency furnace, the dust hood needs to be integrally removed, the butt joint plate 17 in cross butt joint is arranged between the first gas collection cavity 11 and the second gas collection cavity 12, the butt joint plate 17 is made of flexible fire-resistant high-temperature-resistant materials, and the butt joint plate 17 is in cross butt joint together during dust removal operation, so that a good sealing effect is achieved, and the smoke can be effectively prevented from diffusing outwards through the butt joint plate 17; when the material is required to be added into the intermediate frequency furnace, the middle of the butt plate 17 is only required to be staggered, the hoisting rope of the hoisting structure can penetrate through the butt plate 17, the material is hoisted to be conveyed to the position of the intermediate frequency furnace from the lower part of the dust hood, the material adding operation is carried out, the whole material adding operation can be completed without moving the dust hood, the whole material adding operation is simple and convenient, and the efficiency is obviously improved. The fixed block 16 that is used for fixed mounting is provided with to casing 1 side, can be with stable the fixing in intermediate frequency furnace top corresponding position of dust excluding hood through fixed block 16, has made things convenient for the installation work of dust excluding hood.
Use the utility model discloses during the operation of removing dust, earlier fixed block 16 can fix the dust excluding hood in the intermediate frequency furnace top and correspond the position, and the flue gas that gets into in the dust excluding hood is through two gas collecting chambers, extraction opening 14 and connecting pipe 13 in proper order, gets into whirlwind chamber 2, forms powerful rotatory air current in whirlwind chamber 2, is taken away the flue gas through negative pressure mouth 21 by the dust remover and is done further processing, and the treatment effeciency of flue gas is showing and is improving. When the material is required to be added, the hoisting rope only needs to penetrate through the middle staggered butt joint plate 17, the material is hoisted to be conveyed to the position of the intermediate frequency furnace from the lower part of the dust hood, the material adding operation is carried out, the material adding operation is simple and convenient, and the efficiency is obviously improved.
Claims (6)
1. The utility model provides an intermediate frequency furnace cyclone dust excluding hood, includes the casing, its characterized in that: a cyclone cavity is fixedly arranged at the top of the shell, and a negative pressure port connected with an external dust remover is arranged at the top end of the cyclone cavity; the inside first gas collecting chamber and the second gas collecting chamber of being equipped with of casing, first gas collecting chamber and second gas collecting chamber all are linked together with the extraction opening that sets firmly at the casing top, and the extraction opening is linked together through connecting pipe and whirlwind chamber.
2. The cyclone dust hood of the intermediate frequency furnace of claim 1, which is characterized in that: the connecting pipe is obliquely communicated with the side surface of the cyclone chamber clockwise in the horizontal direction.
3. The cyclone dust hood of the intermediate frequency furnace of claim 1, which is characterized in that: and a butt joint plate in cross butt joint is arranged between the first gas collecting cavity and the second gas collecting cavity, and the butt joint plate is made of flexible fireproof high-temperature-resistant materials.
4. The cyclone dust hood of the intermediate frequency furnace of claim 1, which is characterized in that: the junction of the air exhaust port, the first air collecting cavity and the second air collecting cavity is provided with a filter plate, and the filter plate is provided with an air vent.
5. The cyclone dust hood of the intermediate frequency furnace of claim 1, which is characterized in that: and a fixing block for fixed installation is arranged on the side surface of the shell.
6. The cyclone dust hood of the intermediate frequency furnace of claim 1, which is characterized in that: and a smoke baffle is vertically and downwards fixedly arranged on the side surface of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020107170.0U CN212039490U (en) | 2020-01-17 | 2020-01-17 | Cyclone dust hood of intermediate frequency furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020107170.0U CN212039490U (en) | 2020-01-17 | 2020-01-17 | Cyclone dust hood of intermediate frequency furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212039490U true CN212039490U (en) | 2020-12-01 |
Family
ID=73538095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020107170.0U Expired - Fee Related CN212039490U (en) | 2020-01-17 | 2020-01-17 | Cyclone dust hood of intermediate frequency furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212039490U (en) |
-
2020
- 2020-01-17 CN CN202020107170.0U patent/CN212039490U/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: 20201201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |