CN214892553U - Intermediate frequency furnace flue gas dust arrester installation - Google Patents
Intermediate frequency furnace flue gas dust arrester installation Download PDFInfo
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- CN214892553U CN214892553U CN202120066078.9U CN202120066078U CN214892553U CN 214892553 U CN214892553 U CN 214892553U CN 202120066078 U CN202120066078 U CN 202120066078U CN 214892553 U CN214892553 U CN 214892553U
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- intermediate frequency
- frequency furnace
- dust collecting
- cooling
- flue gas
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- 239000000428 dust Substances 0.000 title claims abstract description 75
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000003546 flue gas Substances 0.000 title claims abstract description 26
- 238000009434 installation Methods 0.000 title description 7
- 238000001816 cooling Methods 0.000 claims abstract description 41
- 238000000746 purification Methods 0.000 claims abstract description 18
- 239000007789 gas Substances 0.000 claims description 24
- 238000005406 washing Methods 0.000 claims description 13
- 239000010865 sewage Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000110 cooling liquid Substances 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000004744 fabric Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Images
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model aims to disclose a flue gas dust collecting device of an intermediate frequency furnace, which comprises an intermediate frequency furnace system, a dust collecting system, a feeding system, a cooling and purifying system and an exhaust system; the intermediate frequency furnace system is connected with the dust collecting system through a flange, one end of the dust collecting system is welded with the feeding system, the other end of the dust collecting system is connected with the cooling and purifying system through a high-temperature flue, and the cooling and purifying system is connected with the exhaust system through an exhaust pipe; compared with the prior art, adopt totally enclosed to gather dust and charging system to adopt cooling purification system, can improve dust collection efficiency, convenient easy going again practices thrift the cost, realizes the utility model aims at.
Description
Technical Field
The utility model relates to a flue gas dust arrester installation, in particular to intermediate frequency furnace flue gas dust arrester installation that is used for metallurgical industry flue gas to gather dust.
Background
The intermediate frequency furnace is a power supply device which converts power frequency 50Hz alternating current into intermediate frequency (above 300Hz and 1000Hz), rectifies three-phase power frequency alternating current into direct current, converts direct current power into adjustable intermediate frequency current, supplies the adjustable intermediate frequency current to intermediate frequency alternating current flowing through a capacitor and an induction coil, generates high-density magnetic lines in the induction coil, cuts metal materials contained in the induction coil, and generates large eddy current in the metal materials.
The ferrophosphorus can generate a large amount of harmful flue gas in the melting process, and the gas not only has great harm to human bodies, but also causes serious pollution to air when being directly discharged.
The device is characterized in that a dust hood is hung above the furnace, the dust hood is not tightly sealed, air leaks around, the efficiency is not high, the dust hood needs to be removed during feeding, two or three minutes are needed for recovery after feeding, the smoke is the largest in the first few minutes, and a large amount of smoke is discharged into the air in the process.
The prior art discloses a dust removal device of an intermediate frequency furnace, a dust collection cover is suspended above the furnace, although the dust collection effect can be achieved, the sealing is not tight, air leaks around, the efficiency is not high, and a large amount of smoke is discharged into the air; in addition, the device adopts cloth bag type dust collection, although the adsorption effect can be achieved, the smoke temperature is as high as more than 1000 degrees, sparks can enter the cloth bag to cause the cloth bag to be burnt and damaged, the dust collection efficiency is low, the cloth bag replacement is time-consuming and labor-consuming, and the production is influenced.
Therefore, a dust collecting device for flue gas of an intermediate frequency furnace is particularly needed to solve the existing problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an intermediate frequency furnace flue gas dust arrester installation to prior art's is not enough, adopts totally enclosed to gather dust and charging system to adopt cooling purification system, can improve dust collection efficiency, convenient easy going again practices thrift the cost.
The utility model provides a technical problem can adopt following technical scheme to realize:
the intermediate frequency furnace flue gas dust collecting device is characterized by comprising an intermediate frequency furnace system, a dust collecting system, a feeding system, a cooling and purifying system and an exhaust system; the intermediate frequency furnace system is connected with the dust collecting system through a flange, one end of the dust collecting system is welded with the feeding system, the other end of the dust collecting system is connected with the cooling and purifying system through a high-temperature flue, and the cooling and purifying system is connected with the exhaust system through an exhaust pipe.
The utility model discloses an in the embodiment, the intermediate frequency furnace system includes furnace body support, intermediate frequency furnace, sliding seat, furnace mouth and slope hydro-cylinder, the sliding seat sets up the both sides of intermediate frequency furnace, the front end of intermediate frequency furnace is provided with the furnace mouth, the slope hydro-cylinder sets up the rear end of intermediate frequency furnace, the furnace body support through the sliding seat with the intermediate frequency furnace is connected.
In one embodiment of the present invention, the dust collecting system includes a gas collecting hood, a dust collecting pipe and a high temperature flue; the gas collecting hood is connected with the dust collecting pipe, a lining is arranged in the gas collecting hood, and the dust collecting pipe is connected with the high-temperature flue through a metal hose.
In an embodiment of the utility model, the gas collecting channel of dust collecting system with the intermediate frequency furnace of intermediate frequency furnace system interconnects through the flange, be provided with sealed the pad between the flange, interconnect through the bolt between the flange.
In one embodiment of the present invention, the charging system comprises a hopper, a gate valve and a cylinder; the hopper is arranged above a gas collecting hood of the dust collecting system and is fixed with the gas collecting hood; the gate valve is arranged between the gas collecting hood and the hopper and connected with the cylinder.
In one embodiment of the present invention, the cooling and purifying system comprises a cooling washing tower, a bell jar and a purifying flue; the bell jar is arranged at the top of the cooling washing tower, a liquid injection port is arranged on the bell jar, a sewage discharge port is arranged at the bottom of the cooling washing tower, one end of the purification flue is connected with the bell jar, and the other end of the purification flue is connected with the exhaust system.
In one embodiment of the present invention, the cooling washing tower is provided therein with a cooling liquid, which is divided into a negative pressure region, a cooling purification region and a precipitation region.
In one embodiment of the present invention, the exhaust system includes an exhaust fan, an exhaust duct, and a chimney; one end of the exhaust pipe is connected with the chimney, the other end of the exhaust pipe is connected with the cooling and purifying system, and the exhaust fan is arranged in the exhaust pipe.
The utility model discloses an intermediate frequency furnace flue gas dust arrester installation compares with prior art, adopts totally enclosed to gather dust and charging system to adopt cooling purification system, can improve dust collection efficiency, convenient easy going again practices thrift the cost, realizes the utility model aims at.
The features of the present invention will be apparent from the accompanying drawings and from the detailed description of the preferred embodiments which follows.
Drawings
FIG. 1 is a schematic structural view of a flue gas dust collecting device of an intermediate frequency furnace of the present invention;
fig. 2 is a working schematic diagram of the intermediate frequency furnace flue gas dust collecting device of the utility model.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Examples
As shown in fig. 1 and 2, the dust collecting device for flue gas of an intermediate frequency furnace of the present invention comprises an intermediate frequency furnace system 1, a dust collecting system 2, a charging system 3, a cooling and purifying system 4 and an exhaust system 5; the intermediate frequency furnace system 1 and the dust collecting system 2 are connected with each other through a flange, one end of the dust collecting system 2 and the feeding system 3 are welded with each other, the other end of the dust collecting system 2 is connected with the cooling and purifying system 4 through a high-temperature flue 27, and the cooling and purifying system 4 is connected with the exhaust system 5 through an exhaust pipe 52.
In the embodiment, the intermediate frequency furnace system 1 comprises a furnace body support 11, an intermediate frequency furnace 12, a sliding seat 13, a furnace mouth 14 and an inclined oil cylinder 15, wherein the sliding seat 13 is arranged at two sides of the intermediate frequency furnace 12, the furnace mouth 14 is arranged at the front end of the intermediate frequency furnace 12, the inclined oil cylinder 15 is arranged at the rear end of the intermediate frequency furnace 12, and the furnace body support 11 is connected with the intermediate frequency furnace 12 through the sliding seat 13.
The furnace body support 11 plays a supporting role, the intermediate frequency furnace 12 carries out melting of ferrophosphorus, the furnace mouth 14 is used for observing the melting state in the furnace, and is convenient for thermocouple temperature measurement, molten iron pouring and slag removal, and the inclined oil cylinder 15 is used for tipping the intermediate frequency furnace 12.
In the present embodiment, the dust collecting system 2 includes a gas collecting hood 21, a dust collecting pipe 23, and a high temperature flue 27; the gas collecting hood 21 is connected with a dust collecting pipe 23, a lining 22 is arranged in the gas collecting hood 21, and the dust collecting pipe 23 is connected with a high-temperature flue 27 through a metal hose 26.
The gas collecting hood 21 is connected with a dust collecting pipe 23, and high-temperature coating is cast on the inner side to prevent high-temperature burning out; the metal hose 26 functions to maintain the connection of the dust collection pipe 23 to the dust collection cover 21 when molten iron is poured.
In this embodiment, the gas collecting channel 21 of the dust collecting system 2 and the intermediate frequency furnace 12 of the intermediate frequency furnace system 1 are connected with each other through flanges, a sealing gasket 24 is arranged between the flanges, the sealing performance is improved, the flanges are connected with each other through bolts 25 and can be detached, and manual work can enter the repair lining 22 conveniently.
In the present embodiment, the charging system 3 comprises a hopper 31, a gate valve 33 and a cylinder 34; the hopper 31 is arranged above the gas collecting hood 21 of the dust collecting system 2 and is fixed with the gas collecting hood 21; a gate valve 33 is arranged between the gas collecting hood 21 and the hopper 31, and the gate valve 33 is connected with a cylinder 34.
The hopper 31 is used for loading ferrophosphorus 32; the gate valve 33 is powered by the cylinder 34, so as to complete the blanking and have the sealing function in a short time.
In the present embodiment, the cooling purification system 4 includes a cooling scrubber 41, a bell jar 43, and a purification flue 44; the bell jar 43 is arranged on the top of the cooling washing tower 41, the liquid injection port 42 is arranged on the bell jar 43, the sewage discharge port 46 is arranged on the bottom of the cooling washing tower 41, one end of the purification flue 44 is connected with the bell jar 43, and the other end of the purification flue 44 is connected with the exhaust system 5.
The liquid injection port 42 and the sewage discharge port 46 are used for discharging sewage and filling fresh water; one end of the purification flue 44 is connected with the bell jar 43, and the other end of the purification flue 44 is connected with the exhaust system 5 to form negative pressure, which is used for sucking the flue gas into the cooling and purification system 4.
In this embodiment, the cooling scrubber 41 is provided with a cooling liquid 45 therein, which is divided into a negative pressure zone 451, a cooling purification zone 452 and a settling zone 453.
In the present embodiment, the exhaust system 5 includes an exhaust fan 51, an exhaust duct 52, and a chimney 53; one end of the exhaust duct 52 is connected to the stack 53, the other end of the exhaust duct 51 is connected to the cooling and purifying system 4, and the exhaust fan 51 is disposed in the exhaust duct 52.
The exhaust system 5 provides negative pressure for the whole system, so that the flue gas is purified in the cooling washing tower 41, and the effect is obvious.
The utility model discloses an intermediate frequency furnace flue gas dust arrester installation's working procedure as follows:
heating the intermediate frequency furnace 12, charging ferrophosphorus 32 into the hopper 31 after reaching a preset temperature, starting the cylinder 34, opening the gate valve 33, and immediately closing the gate valve 33 after all iron enters;
in the melting process, observing the state, measuring the temperature and slagging through the furnace mouth 14, starting the inclined oil cylinder 15 after the temperature reaches 1400 ℃, and pouring out molten iron;
in the whole process, the intermediate frequency furnace 12, the gas collecting hood 21, the hopper 31 and the dust collecting system 2 are always in a connected state and a closed state; the exhaust fan 51 runs all the time, the generated flue gas enters the dust collecting pipe 23, the metal hose 26 and the high-temperature flue 27, then is sucked into the cooling washing tower 41 by the generated negative pressure, and is finally discharged into the atmosphere through a chimney 53 after the temperature reduction and purification of water;
a cooling and purifying area 452 and a settling area 453 are formed in the cooling and washing tower 41, the sewage discharge port 46 is opened after a period of time to drain the sewage, and then the liquid injection port 42 is opened to add new water.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (8)
1. The intermediate frequency furnace flue gas dust collecting device is characterized by comprising an intermediate frequency furnace system, a dust collecting system, a feeding system, a cooling and purifying system and an exhaust system; the intermediate frequency furnace system is connected with the dust collecting system through a flange, one end of the dust collecting system is welded with the feeding system, the other end of the dust collecting system is connected with the cooling and purifying system through a high-temperature flue, and the cooling and purifying system is connected with the exhaust system through an exhaust pipe.
2. The intermediate frequency furnace flue gas dust collection device according to claim 1, wherein the intermediate frequency furnace system comprises a furnace body support, an intermediate frequency furnace, sliding seats, furnace nozzles and inclined oil cylinders, the sliding seats are arranged on two sides of the intermediate frequency furnace, the furnace nozzles are arranged at the front end of the intermediate frequency furnace, the inclined oil cylinders are arranged at the rear end of the intermediate frequency furnace, and the furnace body support is connected with the intermediate frequency furnace through the sliding seats.
3. The intermediate frequency furnace flue gas dust collecting device according to claim 1, wherein the dust collecting system comprises a gas collecting hood, a dust collecting pipe and a high temperature flue; the gas collecting hood is connected with the dust collecting pipe, a lining is arranged in the gas collecting hood, and the dust collecting pipe is connected with the high-temperature flue through a metal hose.
4. The intermediate frequency furnace flue gas dust collecting device of claim 1, wherein a gas collecting hood of the dust collecting system and an intermediate frequency furnace of the intermediate frequency furnace system are connected with each other through flanges, a sealing gasket is arranged between the flanges, and the flanges are connected with each other through bolts.
5. The intermediate frequency furnace flue gas dust collecting device according to claim 1, wherein the feeding system comprises a hopper, a gate valve and a cylinder; the hopper is arranged above a gas collecting hood of the dust collecting system and is fixed with the gas collecting hood; the gate valve is arranged between the gas collecting hood and the hopper and connected with the cylinder.
6. The intermediate frequency furnace flue gas dust collecting device according to claim 1, wherein the cooling and purifying system comprises a cooling washing tower, a bell jar and a purifying flue; the bell jar is arranged at the top of the cooling washing tower, a liquid injection port is arranged on the bell jar, a sewage discharge port is arranged at the bottom of the cooling washing tower, one end of the purification flue is connected with the bell jar, and the other end of the purification flue is connected with the exhaust system.
7. The intermediate frequency furnace flue gas dust collecting device according to claim 6, wherein a cooling liquid is arranged in the cooling washing tower and is divided into a negative pressure area, a cooling purification area and a precipitation area.
8. The intermediate frequency furnace flue gas dust collecting device according to claim 1, wherein the exhaust system comprises an exhaust fan, an exhaust pipe and a chimney; one end of the exhaust pipe is connected with the chimney, the other end of the exhaust pipe is connected with the cooling and purifying system, and the exhaust fan is arranged in the exhaust pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120066078.9U CN214892553U (en) | 2021-01-11 | 2021-01-11 | Intermediate frequency furnace flue gas dust arrester installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120066078.9U CN214892553U (en) | 2021-01-11 | 2021-01-11 | Intermediate frequency furnace flue gas dust arrester installation |
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| CN214892553U true CN214892553U (en) | 2021-11-26 |
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| CN202120066078.9U Active CN214892553U (en) | 2021-01-11 | 2021-01-11 | Intermediate frequency furnace flue gas dust arrester installation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114763969A (en) * | 2021-01-11 | 2022-07-19 | 国家电投集团黄河上游水电开发有限责任公司 | Intermediate frequency furnace flue gas dust arrester installation |
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2021
- 2021-01-11 CN CN202120066078.9U patent/CN214892553U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114763969A (en) * | 2021-01-11 | 2022-07-19 | 国家电投集团黄河上游水电开发有限责任公司 | Intermediate frequency furnace flue gas dust arrester installation |
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