CN211888367U - Dust removal device for crank arm of intermediate frequency furnace - Google Patents
Dust removal device for crank arm of intermediate frequency furnace Download PDFInfo
- Publication number
- CN211888367U CN211888367U CN202020107176.8U CN202020107176U CN211888367U CN 211888367 U CN211888367 U CN 211888367U CN 202020107176 U CN202020107176 U CN 202020107176U CN 211888367 U CN211888367 U CN 211888367U
- Authority
- CN
- China
- Prior art keywords
- cavity
- crank arm
- dust
- intermediate frequency
- frequency furnace
- 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 107
- 238000011084 recovery Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 25
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 19
- 239000003546 flue gas Substances 0.000 description 19
- 239000000779 smoke Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 9
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 239000002245 particle Substances 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
- 239000011324 bead Substances 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
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method 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
- 230000005068 transpiration Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Abstract
The utility model discloses an intermediate frequency furnace crank arm dust removal device, which comprises a controller, a base, a crank arm and a dust hood arranged corresponding to the intermediate frequency furnace on the base, wherein a support frame is fixedly arranged on the base, the lower end of the crank arm is rotationally connected with the support frame through a first rotating shaft, one side of the crank arm is provided with a gas outlet communicated with the inner cavity of the crank arm, and one side of the gas outlet penetrating through the support frame is connected with an external dust remover; the upper end of the crank arm is provided with an air inlet which is movably connected with a negative pressure port on the dust hood; the crank arm is provided with a power structure, and the power mechanism and the dust remover are both connected with the controller. The utility model aims at providing a simple structure is reasonable, saves space, and dust collection efficiency is high, and it is thorough to remove dust, the high intermediate frequency furnace crank arm dust collector of degree of automation.
Description
Technical Field
The utility model belongs to forge the dust removal field, concretely relates to dust collector of crank arm of intermediate frequency furnace.
Background
At present, an intermediate frequency furnace is widely applied to the field of smelting and forging, adopts a 200-grade 2500HZ intermediate frequency power supply for induction heating, is mainly used for smelting carbon steel, alloy steel and the like, and has the characteristics of high efficiency, small volume, low power consumption and the like. When pouring is carried out, molten steel is poured into a ladle by an intermediate frequency furnace, meanwhile, in order to improve the quality of cast iron, a rare earth nodulizer, a deslagging agent and the like are required to be placed in the ladle, pouring is carried out by adopting an in-ladle flushing method, a large amount of smoke particles are emitted due to reduction and oxidation reactions during pouring, 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.
In the prior art, a U-shaped dust hood arranged on a sliding table is generally adopted to cover an intermediate frequency furnace needing dust removal operation for negative pressure suction dust removal; when materials need to be added into the intermediate frequency furnace or the intermediate frequency furnace does not need to be subjected to dust removal operation, the dust removal cover slides away from the upper part of the intermediate frequency furnace through the sliding table arranged on the track. The track can only be used for the slip table is laid to current dust collector needs in advance, need provide the space for the removal of slip table moreover, and it is very big to occupy the workshop place, causes the serious waste in space. In addition, the U-shaped dust hood is generally adopted to carry out simple top negative pressure suction operation in the prior art, a large amount of harmful smoke and dust can be generated in a short time when pouring operation is carried out, the negative pressure suction power of the existing dust hood is limited, airflow in the dust hood does not flow in the short time, the smoke and dust are converged into a whole, a part of smoke and dust is still dispersed in the air to cause atmospheric thermal pollution and dust pollution, and the suction effect on the smoke and dust is very unsatisfactory.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model aims to provide an intermediate frequency furnace crank arm dust collector which has simple and reasonable structure, saves space, has high dust removal efficiency, thoroughly removes dust and has high automation degree.
In order to achieve the above object, the utility model discloses a technical scheme be:
a crank arm dust removal device of an intermediate frequency furnace comprises a controller, a base, a crank arm and a dust removal cover arranged corresponding to the intermediate frequency furnace on the base, wherein a support frame is fixedly arranged on the base, the lower end of the crank arm is rotatably connected with the support frame through a first rotating shaft, one side of the crank arm is provided with a gas outlet communicated with a cavity inside the crank arm, and the gas outlet penetrates through one side of the support frame and is connected with an external dust remover; one side of the upper end of the crank arm, which is close to the dust removing cover, is provided with an air inlet communicated with the inner cavity of the crank arm, and the air inlet is movably connected with a negative pressure port arranged on the dust removing cover; the crank arm is provided with a power mechanism, and the power mechanism comprises a first telescopic rod and a second telescopic rod; the first telescopic rod is arranged between the upper end of the crank arm and the base, the output end of the first telescopic rod is hinged with the upper end of the crank arm, and the other end of the first telescopic rod is hinged with the base; the second telescopic rod is arranged between the dust hood and the upper end of the crank arm, the output end of the second telescopic rod is hinged to the dust hood, and the other end of the second telescopic rod is hinged to the upper end of the crank arm; the first telescopic rod, the second telescopic rod and the dust remover are all connected with the controller.
Preferably, the dust hood comprises a shell, a gas collection cavity and a cyclone cavity with a circular horizontal section are arranged in the shell, and the cyclone cavity is arranged in the middle of the inside of the shell; the gas collection cavity is divided into an upper gas cavity, a middle gas cavity and a lower gas cavity by a partition plate, and the upper gas cavity, the middle gas cavity and the lower gas cavity are respectively composed of a left part and a right part which are divided; a recovery cavity is arranged on one side in the upper air cavity and communicated with a negative pressure port arranged on the side surface of the shell; the upper air cavity and the middle air cavity are communicated with the cyclone cavity through air vents, and the cyclone cavity is communicated with the recovery cavity through a first pipeline; the lower air cavity is communicated with the recovery cavity through a second pipeline fixedly arranged on the top surface of the shell.
Preferably, the lower air chamber of the housing is upwardly inclined.
Preferably, a wind deflector is vertically arranged on the side surface of the shell downwards.
Preferably, the bottom surface of the shell is provided with a bottom plate, the bottom plate comprises a first bottom plate and a second bottom plate, the first bottom plate is arranged at a position corresponding to the gas collection cavity, and the second bottom plate is arranged at a position corresponding to the cyclone cavity and the recovery cavity; an air inlet is formed in the first bottom plate.
Preferably, the crank arm is of L-shaped design.
Preferably, a sealing ring is further arranged at the joint of the air inlet and the negative pressure port.
The utility model discloses the beneficial effect who has does:
1. need slide the dust excluding hood through the slip table that sets up on the track among the prior art and remove dust from the intermediate frequency furnace top and compare, the utility model discloses need not to lay the track for removing the slip table in advance, only need through the action of first telescopic link of controller control and second telescopic link, make the dust excluding hood drop to the intermediate frequency furnace top and correspond the position under the drive of cranking arm, later open outside dust remover, remove dust the operation can, can practice thrift a large amount of spaces for the workshop place, work efficiency improves greatly, degree of automation is also higher, more accords with the user demand.
2. Carry out simple top suction through U type cover among the prior art and compare, the utility model discloses an go up the structure cooperation in air cavity, well air cavity and whirlwind chamber, can make the flue gas no longer gather and do a group at the inside powerful rotatory air current that forms of dust excluding hood, effectively keep the rotatory flow of air current, can carry out quick effectual suction to the flue gas, show to have improved dust removal effect.
3. Through the lower air cavity that the tilt up set up, can collect by lower air cavity through the negative pressure that the second pipeline that links to each other with retrieving the chamber provided to the flue gas of a small amount of dispersion to casing afterbody border, can prevent effectively that the smoke and dust from dispersing, show the suction effect that improves the smoke and dust.
4. The smoke and dust that gets into last air cavity and well air cavity gets into the cyclone chamber that the cross-section is circular shape through the blow vent, can form rotatory air current in the cyclone intracavity, under powerful rotatory air current effect, makes the smoke and dust fast rotation suction of going up air cavity and well air cavity get into the cyclone chamber, gets into the recovery intracavity by the first pipeline with cyclone chamber intercommunication, keeps the fast rotatory flow of air current, can carry out quick effectual suction to the flue gas.
5. The vertical downward wind shield that is provided with of casing side can carry out effectual the blockking to the flue gas of dust excluding hood border all around, prevents that harmful gas from outwards diffusing.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the crank arm of the present invention;
FIG. 3 is a schematic structural view of the dust hood of the present invention;
FIG. 4 is a bottom view of the dust hood of the present invention;
fig. 5 is a top view of the dust excluding hood of the present invention.
Detailed Description
The dust removal device for the crank arm of the intermediate frequency furnace shown in fig. 1-5 comprises a controller, a base 2, a crank arm 6 with an L-shaped design and a dust removal cover 1 arranged corresponding to the intermediate frequency furnace 3 on the base 2, wherein a support frame 4 is fixedly arranged on the base 2, the lower end of the crank arm 6 is rotatably connected with the support frame 4 through a first rotating shaft 63, and the lower end of the crank arm 6 can rotate by taking the first rotating shaft 63 as a center. One side of the crank arm 6 is provided with an air outlet 61 communicated with the cavity inside the crank arm 6, and the air outlet 61 penetrates through one side of the support frame 4 and is connected with an external dust remover 5; one side that the upper end of cranking arm 6 is close to dust excluding hood 1 offers the air inlet 62 that is linked together with the inside cavity of cranking arm 6, the negative pressure mouth 12 swing joint that sets up on air inlet 62 and the dust excluding hood 1, the flue gas in the dust excluding hood 1 can loop through negative pressure mouth 12, air inlet 62, the inside cavity of cranking arm 6 and gas outlet 61, gets into the dust remover 5 of outside setting at last, is further handled by dust remover 5 to high temperature flue gas. The joint of the air inlet 62 and the negative pressure port 12 is further provided with a sealing ring 64, and the sealing ring 64 can effectively ensure the air tightness of the joint of the air inlet 62 and the negative pressure port while ensuring the movable connection of the air inlet 62 and the negative pressure port, so that the flue gas leakage is prevented.
The crank arm 6 is provided with a power mechanism, and the power mechanism comprises a first telescopic rod 71 and a second telescopic rod 72; first telescopic link 71 sets up between 6 upper ends of cranking arm and base 2, and the output of first telescopic link 71 is articulated with 6 upper ends of cranking arm, and the other end is articulated mutually with base 2, through the action of first telescopic link 71, can drive and crank arm 6 and use first pivot 63 to go up and down as the center, and then drive down at cranking arm 6 and adjust the high of dust excluding hood 1. The setting of second telescopic link 72 is between dust excluding hood 1 and the arm 6 upper end of cranking, and the output of second telescopic link 72 articulates on dust excluding hood 1, and the other end articulates with the arm 6 upper end of cranking mutually, and when second telescopic link 72 moved, the dust excluding hood 1 can be driven and certain angle rotation action was carried out as the center with negative pressure port 12 and air inlet 62 swing joint department in the vertical direction. The first telescopic rod 71, the second telescopic rod 72 and the dust remover 5 are all connected with and controlled by a controller.
Dust excluding hood 1 includes casing 10, and casing 10 side is provided with deep bead 11 perpendicularly downwards, can carry out effectual blockking to the flue gas of dust excluding hood 1 border all around, prevents that harmful gas from outwards diffusing. The inside of the casing 10 is provided with a gas collecting chamber and a cyclone chamber 94, and the cyclone chamber 94 having a circular horizontal cross section is disposed at an intermediate position inside the casing 10.
The gas collection cavity is divided into an upper gas cavity 91, a middle gas cavity 92 and a lower gas cavity 93 by a partition plate 14, and the upper gas cavity 91, the middle gas cavity 92 and the lower gas cavity 93 are respectively composed of a left part and a right part which are divided; a recovery cavity 95 is arranged at one side in the upper air cavity 91, the recovery cavity 95 is communicated with a negative pressure port 12 arranged at the side surface of the shell 10, the upper air cavity 91 and the middle air cavity 92 are communicated with a cyclone cavity 94 through an air vent 941, and the cyclone cavity 94 is communicated with the recovery cavity 95 through a first pipeline 81; under the negative pressure suction effect of the external dust collector 5, the smoke dust entering the upper air chamber 91 and the middle air chamber 92 enters the cyclone chamber 94 with a circular cross section through the air vent 941, a rotating airflow can be formed in the cyclone chamber 94, under the effect of a strong rotating airflow, the smoke dust in the upper air chamber 91 and the middle air chamber 92 is rapidly rotated and sucked into the cyclone chamber 94, enters the recovery chamber 95 through the first pipeline 81 communicated with the cyclone chamber 94, and then is discharged into the air inlet 62 through the negative pressure port 12. Carry out simple top suction through U type cover among the prior art and compare, the utility model discloses an go up the structure cooperation of air cavity 91, well air cavity 92 and whirlwind chamber 94, can form powerful rotatory air current in dust excluding hood 1 is inside, make the flue gas no longer gather and do a group, effectively keep the rotatory flow of air current, can carry out quick effectual suction to the flue gas, show to have improved dust removal effect.
The certain angle of the lower air cavity 93 tilt up of casing 10, lower air cavity 93 is linked together with retrieving chamber 95 through the fixed second pipeline 82 that sets up on casing 10 top surface, and through the lower air cavity 93 that the tilt up set up, can be collected by air cavity 93 down through the negative pressure that the second pipeline 82 that links to each other with retrieving chamber 95 provided to the flue gas at a small amount of diffusion to casing 10 afterbody border, can prevent effectively that the smoke and dust from dispersing, is showing the suction effect that improves the smoke and dust. The bottom surface of the housing 10 is provided with a bottom plate, the bottom plate comprises a first bottom plate 13 and a second bottom plate (not shown in the figure), the first bottom plate 13 is arranged at a position corresponding to the gas collecting chamber, and the second bottom plate is arranged at a position corresponding to the cyclone chamber 94 and the recovery chamber 95; the first bottom plate 13 is provided with an air inlet hole 191. A large amount of high temperature flue gas that transpiration and play when intermediate frequency furnace 3 pours can effectively cushion through setting up the bottom plate to under the inside negative pressure suction effect of casing 10, the flue gas can carry out the collection processing of flue gas in getting into dust excluding hood 1 through inlet port 191. The second bottom plate enables the cyclone chamber 94 and the recovery chamber 95 to be in a sealed state, preventing the air flow from being disturbed.
Compared with the prior art that the dust removal cover is required to slide away from the upper part of the intermediate frequency furnace 3 through the sliding table arranged on the track for dust removal, the utility model does not need to lay the track for moving the sliding table in advance, and can save a large amount of space for a workshop field; when carrying out the dust removal operation to intermediate frequency furnace 3, only need to control first telescopic link 71 and the action of second telescopic link 72 through the controller, make dust excluding hood 1 descend to intermediate frequency furnace 3 top corresponding position under the drive of cranking arm 6, later open outside dust remover 5, intermediate frequency furnace 3 pours the high temperature flue gas that produces and gets into in the dust excluding hood 1, form rotatory air current in dust excluding hood 1 and prevent the flue gas gathering, the flue gas in the gas collection intracavity of dust excluding hood 1 is after retrieving chamber 95 and collecting, in proper order through negative pressure mouth 12, air inlet 62, crank arm 6 inside cavity and gas outlet 61, finally get into in the dust remover 5 of outside setting, do further processing to the high temperature flue gas by dust remover 5. After the dust removal of the intermediate frequency furnace 3 is finished, the controller controls the first telescopic rod 71 and the second telescopic rod 72 to move, the dust hood 1 is driven by the crank arm 6 to lift upwards, and then the dust remover 5 is closed; need utilize the slip table to compare dust excluding hood removal from intermediate frequency furnace 3 with prior art, the utility model discloses only need through 6 actions of cranking arm, can put aside dust excluding hood 1 from intermediate frequency furnace 3 top, still can not influence intermediate frequency furnace 3's normal operation, work efficiency improves greatly, and degree of automation is also higher, more accords with the user demand.
Claims (7)
1. The utility model provides an intermediate frequency furnace cranks arm dust collector, includes controller, base, cranks the arm and with the dust excluding hood that the intermediate frequency furnace on the base corresponds the setting, its characterized in that: a support frame is fixedly arranged on the base, the lower end of the crank arm is rotatably connected with the support frame through a first rotating shaft, one side of the crank arm is provided with an air outlet communicated with a cavity inside the crank arm, and the air outlet penetrates through one side of the support frame and is connected with an external dust remover; one side of the upper end of the crank arm, which is close to the dust removing cover, is provided with an air inlet communicated with the inner cavity of the crank arm, and the air inlet is movably connected with a negative pressure port arranged on the dust removing cover; the crank arm is provided with a power mechanism, and the power mechanism comprises a first telescopic rod and a second telescopic rod; the first telescopic rod is arranged between the upper end of the crank arm and the base, the output end of the first telescopic rod is hinged with the upper end of the crank arm, and the other end of the first telescopic rod is hinged with the base; the second telescopic rod is arranged between the dust hood and the upper end of the crank arm, the output end of the second telescopic rod is hinged to the dust hood, and the other end of the second telescopic rod is hinged to the upper end of the crank arm; the first telescopic rod, the second telescopic rod and the dust remover are all connected with the controller.
2. The dust removal device for the crank arm of the intermediate frequency furnace as claimed in claim 1, wherein: the dust hood comprises a shell, a gas collection cavity and a cyclone cavity with a circular horizontal section are arranged in the shell, and the cyclone cavity is arranged in the middle of the inside of the shell; the gas collection cavity is divided into an upper gas cavity, a middle gas cavity and a lower gas cavity by a partition plate, and the upper gas cavity, the middle gas cavity and the lower gas cavity are respectively composed of a left part and a right part which are divided; a recovery cavity is arranged on one side in the upper air cavity and communicated with a negative pressure port arranged on the side surface of the shell; the upper air cavity and the middle air cavity are communicated with the cyclone cavity through air vents, and the cyclone cavity is communicated with the recovery cavity through a first pipeline; the lower air cavity is communicated with the recovery cavity through a second pipeline fixedly arranged on the top surface of the shell.
3. The dust removal device for the crank arm of the intermediate frequency furnace as claimed in claim 2, wherein: the lower air cavity of the housing is upwardly inclined.
4. The dust removal device for the crank arm of the intermediate frequency furnace as claimed in claim 3, wherein: and a wind shield is vertically arranged on the side surface of the shell downwards.
5. The dust removal device for the crank arm of the intermediate frequency furnace as claimed in claim 4, wherein: the bottom surface of the shell is provided with a bottom plate, the bottom plate comprises a first bottom plate and a second bottom plate, the first bottom plate is arranged at a position corresponding to the gas collection cavity, and the second bottom plate is arranged at a position corresponding to the cyclone cavity and the recovery cavity; an air inlet is formed in the first bottom plate.
6. The dust removal device for the crank arm of the intermediate frequency furnace as claimed in claim 2, wherein: the crank arm is designed in an L shape.
7. The dust removal device for the crank arm of the intermediate frequency furnace as claimed in claim 2, wherein: and a sealing ring is also arranged at the joint of the air inlet and the negative pressure port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020107176.8U CN211888367U (en) | 2020-01-17 | 2020-01-17 | Dust removal device for crank arm of intermediate frequency furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020107176.8U CN211888367U (en) | 2020-01-17 | 2020-01-17 | Dust removal device for crank arm of intermediate frequency furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211888367U true CN211888367U (en) | 2020-11-10 |
Family
ID=73302785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020107176.8U Expired - Fee Related CN211888367U (en) | 2020-01-17 | 2020-01-17 | Dust removal device for crank arm of intermediate frequency furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211888367U (en) |
-
2020
- 2020-01-17 CN CN202020107176.8U patent/CN211888367U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201110 |