CN110076174B - Waste gas and dust recovery device for forge piece blank electroslag furnace - Google Patents
Waste gas and dust recovery device for forge piece blank electroslag furnace Download PDFInfo
- Publication number
- CN110076174B CN110076174B CN201910487983.9A CN201910487983A CN110076174B CN 110076174 B CN110076174 B CN 110076174B CN 201910487983 A CN201910487983 A CN 201910487983A CN 110076174 B CN110076174 B CN 110076174B
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- Prior art keywords
- negative pressure
- plate
- pressure ring
- plugging
- uniform distribution
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- 239000000428 dust Substances 0.000 title claims abstract description 20
- 239000002912 waste gas Substances 0.000 title claims abstract description 16
- 238000011084 recovery Methods 0.000 title claims abstract description 10
- 239000007789 gas Substances 0.000 claims abstract description 6
- 238000009827 uniform distribution Methods 0.000 claims description 26
- 230000002596 correlated effect Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000005242 forging Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims 4
- 239000000758 substrate Substances 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 8
- 238000007599 discharging Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to an exhaust gas dust recovery device for a forge piece blank electroslag furnace, which comprises an annular negative pressure ring, an annular substrate and a necking mechanism, wherein a negative pressure cavity is arranged in the negative pressure ring, a negative pressure port is arranged on the inner wall of the negative pressure ring, an air port adjusting bolt is connected with the negative pressure ring in a threaded manner, an air volume plug is arranged at the head of the air port adjusting bolt, an air suction main pipe communicated with the negative pressure cavity is arranged at one side of the negative pressure ring, the necking mechanism comprises a top plate and a bottom plate, a sliding chute is arranged on the top plate and the bottom plate, a plugging plate is arranged between the top plate and the bottom plate, a sliding pin is arranged on the plugging plate, the plugging plate is a flat plate with at least two adjacent straight edges, the two straight edges of the plugging plate are respectively a driving edge and a pressed edge, and the pressed edges on the two adjacent plugging plates are attached to the driving edge. According to the design, the gap around the electrode is reduced through the necking structure, waste gas is prevented from escaping from the periphery of the electrode, negative pressure nozzles are uniformly distributed around the negative pressure ring and are matched with the necking mechanism to form a negative pressure belt at the opening of the crystallizer, and the equipment is not required to be disassembled during loading and unloading.
Description
Technical Field
The invention relates to the technical field of electroslag ingot waste gas and dust recovery devices, in particular to a waste gas and dust recovery device for an electroslag furnace for forging blanks.
Background
The large cylindrical forging blank with high quality requirement is usually molded by adopting an electroslag furnace, dust or waste gas is easy to escape from an outlet at the top of a crystallizer when the electroslag furnace works, and in order to avoid air pollution, an air suction nozzle is usually arranged around the crystallizer, so that the mode has limited effect and high noise.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an exhaust gas dust recovery device for a forge piece blank electroslag furnace.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a waste gas dust recovery device for forge piece blank electroslag furnace, includes annular negative pressure ring, set up in annular base plate at negative pressure ring top, set up in the necking mechanism at annular base plate top, be equipped with annular negative pressure chamber in the negative pressure ring, the negative pressure ring inner wall be equipped with the negative pressure mouth of negative pressure chamber intercommunication, threaded connection has wind gap adjusting bolt on the negative pressure ring, wind gap adjusting bolt head is equipped with stretches into the amount of wind of negative pressure mouth is stopped up, wind gap adjusting bolt tail end stretches out negative pressure ring outer wall and is equipped with the knob, negative pressure ring one side be equipped with the induced draft house steward of negative pressure chamber intercommunication, necking mechanism includes upper and lower parallel arrangement's roof and bottom plate, the top plate and the bottom plate are provided with parallel sliding grooves, a plugging plate is arranged between the top plate and the bottom plate, sliding pins matched with the sliding grooves are arranged on the plugging plate, the plugging plate is a flat plate with at least two adjacent edges being straight edges, the two straight edges of the plugging plate are respectively a driving edge and a pressed edge, the plugging plates are at least provided with 5 plugging plates and distributed in a 360-degree annular array around the axis of the negative pressure ring, the pressed edges on two adjacent plugging plates are attached to the driving edges, the intersecting included angle between the pressed edges and the driving edges of the plugging plates is the top of the plugging plates, the necking mechanism is opened to the maximum state, and the top of the latter plugging plate is positioned at the front inner side of the sliding pin of the former plugging plate; and an operating rotating handle is arranged at the tail end of the outer side of one plugging plate.
The gap around the electrode is reduced through the necking structure in the design, waste gas is prevented from escaping from the periphery of the electrode, negative pressure nozzles are uniformly distributed around the negative pressure ring and form a negative pressure belt at the opening of the crystallizer through matching with the necking mechanism, the absorption effect on dust and waste gas is good, the necking mechanism adopts a plurality of attached plugging plates to realize the adjustment of the opening size, the equipment is not required to be disassembled and assembled during feeding and discharging, and the air volume is blocked and is convenient for locally adjusting the air volume.
As a further improvement of the design, a negative pressure uniform distribution plate is arranged in the negative pressure cavity, negative pressure uniform distribution holes penetrating through the negative pressure uniform distribution plate are formed in the negative pressure uniform distribution plate, the distribution density of the negative pressure uniform distribution holes and the distance between the negative pressure uniform distribution holes and an air suction main pipe are positively correlated, the negative pressure plate vertically separates the negative pressure cavity into an air collection cavity and an air inlet cavity, a negative pressure port is communicated with the air inlet cavity, and the air suction main pipe is communicated with the air collection cavity. The negative pressure uniform distribution plate is convenient for leading the negative pressure difference of each negative pressure port to be small, the pressure of each part of the negative pressure belt is improved to be balanced, and the dust collection effect is good.
As a further improvement of the design, the negative pressure uniform distribution holes are conical holes with large tops and small bottoms, and blockage is effectively prevented.
As a further improvement of the design, the annular supporting strips and the radial supporting strips are arranged between the bottom plate and the annular base plate, so that heat insulation is facilitated, and the damage to the plugging plate caused by heat is reduced.
As a further improvement of the design, the bottom of the inner wall of the negative pressure ring is provided with a negative pressure conical surface, the top of the negative pressure conical surface is small, the bottom of the negative pressure conical surface is large, and the negative pressure port is positioned on the negative pressure conical surface. The negative pressure conical surface enables the formed negative pressure belt to be more stable.
As a further improvement of the design, the bottom of the negative pressure ring is provided with an annular supporting plate, the bottom surface of the annular supporting plate is a roughened anti-slip surface, the anti-slip effect is good, and locking is not needed.
As a further improvement of the design, the screw thread of the air port adjusting bolt connected with the negative pressure ring is positioned at the outer side of the negative pressure ring, so that damage of heat to the screw thread is reduced.
As a further improvement of the design, the inner hole of the negative pressure port is a through hole with two taper holes in butt joint at the small ends, and the sealing plug is a conical surface on the outer peripheral surface, so that the air quantity is convenient to adjust.
The beneficial effects of the invention are as follows: according to the invention, gaps around the electrode are reduced through the necking structure, waste gas is prevented from escaping from the periphery of the electrode, negative pressure nozzles are uniformly distributed around the negative pressure ring and matched with the necking mechanism to form a negative pressure belt at the opening of the crystallizer, the effect of absorbing dust and waste gas is good, the necking mechanism adopts a plurality of attached blocking plates to realize the adjustment of the opening size, the equipment is not required to be disassembled and assembled during feeding and discharging, and the air volume blocking is convenient for locally adjusting the air volume.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic view of the overall cross-sectional structure of the present invention.
Fig. 2 is a schematic plan view of the necking mechanism of the present invention.
In the figure, a top plate, a negative pressure uniform distribution plate, a circular support bar, a sliding pin, a steering handle, a suction manifold, a suction inlet cavity, a collection cavity, a wind volume plug, a negative pressure port, a wind port adjusting bolt, a knob, a negative pressure ring, a circular support plate, a circular base plate, a sealing plate, a bottom plate, a sliding groove, a negative pressure uniform distribution hole, a radial support bar, a negative pressure conical surface, a pressure bearing edge and a driving edge.
Detailed Description
The present invention will now be described in detail with reference to the drawings and the specific embodiments thereof, wherein the exemplary embodiments and the description are for the purpose of illustrating the invention only and are not to be construed as limiting the invention.
Examples: the utility model provides a waste gas dust recovery device for forge piece blank electroslag furnace, includes annular negative pressure ring 13, set up in annular base plate 15 at negative pressure ring 13 top, set up in the throat mechanism at annular base plate 15 top, be equipped with annular negative pressure chamber in the negative pressure ring 13, negative pressure ring 13 inner wall be equipped with negative pressure mouth 10 of negative pressure chamber intercommunication, threaded connection has tuyere adjusting bolt 11 on the negative pressure ring 13, tuyere adjusting bolt 11 head is equipped with stretches into the amount of wind jam 9 of negative pressure mouth 10, tuyere adjusting bolt 11 tail end stretches out negative pressure ring 13 outer wall and is equipped with knob 12, negative pressure ring 13 one side be equipped with negative pressure chamber intercommunication's induced draft header pipe 6, throat mechanism includes upper and lower parallel arrangement's roof 1 and bottom plate 17, the sealing device is characterized in that sliding grooves 18 which are parallel to each other are formed in the top plate 1 and the bottom plate 17, a sealing plate 16 is arranged between the top plate 1 and the bottom plate 17, sliding pins 4 matched with the sliding grooves 18 are arranged on the sealing plate 16, the sealing plate 16 is a flat plate with at least two adjacent sides being straight sides, the two straight sides of the sealing plate 16 are respectively a driving side 23 and a pressed side 22, the sealing plate 16 is at least provided with 5 sealing plates and distributed in a 360-degree annular array around the axis of the negative pressure ring 13, the pressed sides 22 on the adjacent sealing plates 16 are attached to the driving side 23, an included angle between the pressed sides 22 of the sealing plate 16 and the driving side 23 is a top of the sealing plate 16, the necking mechanism is opened to a maximum state, and the top of the latter sealing plate 16 is positioned at the front inner side of the sliding pins 4 of the former sealing plate 16; the tail end of the outer side of one plugging plate 16 is provided with an operating handle 5.
The gap around the electrode is reduced through the necking structure in the design, waste gas is prevented from escaping from the periphery of the electrode, negative pressure nozzles are uniformly distributed around the negative pressure ring 13 and matched with the necking mechanism to form a negative pressure belt at the opening of the crystallizer, the effect of absorbing dust and waste gas is good, the necking mechanism adopts a plurality of attached plugging plates 16 to realize the adjustment of the opening size, the equipment is not required to be disassembled and assembled during feeding and discharging, and the air volume plug 9 is convenient for locally adjusting the air volume.
As a further improvement of the design, a negative pressure uniform distribution plate 2 is arranged in the negative pressure cavity, negative pressure uniform distribution holes 19 penetrating through the negative pressure uniform distribution plate 2 are formed in the negative pressure uniform distribution plate 2, the distribution density of the negative pressure uniform distribution holes 19 and the distance between the negative pressure uniform distribution holes 19 and the air suction main pipe 6 are positively correlated, the negative pressure plate divides the negative pressure cavity into an air collection cavity 8 and an air inlet cavity 7 up and down, a negative pressure port 10 is communicated with the air inlet cavity 7, and the air suction main pipe 6 is communicated with the air collection cavity 8. The negative pressure uniform distribution plate 2 is convenient for enabling the negative pressure difference of each negative pressure port 10 to be small, the pressure balance of each part of the negative pressure belt is improved, and the dust collection effect is good.
As a further improvement of the design, the negative pressure uniform distribution holes 19 are conical holes with large top and small bottom, so that blockage is effectively prevented.
As a further improvement of the design, the annular supporting strips 3 and the radial supporting strips 20 are arranged between the bottom plate 17 and the annular base plate, so that heat insulation is facilitated, and the damage to the plugging plate 16 caused by heat is reduced.
As a further improvement of the design, the bottom of the inner wall of the negative pressure ring 13 is provided with a negative pressure conical surface 21, the top of the negative pressure conical surface 21 is small, the bottom is large, and the negative pressure port 10 is positioned on the negative pressure conical surface 21. The negative pressure cone 21 makes the formed negative pressure belt more stable.
As a further improvement of the design, the bottom of the negative pressure ring 13 is provided with the annular supporting plate 14, the bottom surface of the annular supporting plate 14 is a roughened anti-slip surface, the anti-slip effect is good, and locking is not needed.
As a further improvement of the design, the threads of the tuyere adjusting bolt 11 connected with the negative pressure ring 13 are positioned on the outer side of the negative pressure ring 13, so that damage of heat to the threads is reduced.
As a further improvement of the design, the inner hole of the negative pressure port 10 is a through hole with two conical hole small ends in butt joint, and the sealing plug is a conical surface with the outer peripheral surface, so that the air quantity is convenient to adjust.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (6)
1. The utility model provides a waste gas dust recovery device for forge piece blank electroslag furnace, its characterized in that includes annular negative pressure ring, set up in annular base plate at negative pressure ring top, set up in the throat mechanism at annular base plate top, be equipped with annular negative pressure chamber in the negative pressure ring, the negative pressure ring inner wall be equipped with the negative pressure mouth of negative pressure chamber intercommunication, threaded connection has wind gap adjusting bolt on the negative pressure ring, wind gap adjusting bolt head is equipped with stretches into the amount of wind jam of negative pressure mouth, wind gap adjusting bolt tail end stretches out negative pressure ring outer wall and is equipped with the knob, negative pressure ring one side be equipped with the suction header pipe of negative pressure chamber intercommunication, throat mechanism includes upper and lower parallel arrangement's roof and bottom plate, the top plate and the bottom plate are provided with parallel sliding grooves, a plugging plate is arranged between the top plate and the bottom plate, sliding pins matched with the sliding grooves are arranged on the plugging plate, the plugging plate is a flat plate with at least two adjacent edges being straight edges, the two straight edges of the plugging plate are respectively a driving edge and a pressed edge, the plugging plates are at least provided with 5 plugging plates and distributed in a 360-degree annular array around the axis of the negative pressure ring, the pressed edges on two adjacent plugging plates are attached to the driving edges, the intersecting included angle between the pressed edges and the driving edges of the plugging plates is the top of the plugging plates, the necking mechanism is opened to the maximum state, and the top of the latter plugging plate is positioned at the front inner side of the sliding pin of the former plugging plate; the negative pressure cavity is internally provided with a negative pressure uniform distribution plate, negative pressure uniform distribution holes penetrating through the negative pressure uniform distribution plate are formed in the negative pressure uniform distribution plate, the distribution density of the negative pressure uniform distribution holes and the distance between the negative pressure uniform distribution holes and an air suction main pipe are positively correlated, the negative pressure uniform distribution plate vertically separates the negative pressure cavity into an air collecting cavity and an air inlet cavity, a negative pressure port is communicated with the air inlet cavity, the air suction main pipe is communicated with the air collecting cavity, the bottom of the inner wall of the negative pressure cavity is provided with a negative pressure conical surface, the top of the negative pressure conical surface is small, the bottom of the negative pressure conical surface is large, and the negative pressure port is positioned on the negative pressure conical surface.
2. The exhaust gas and dust recycling device for the forge piece blank electroslag furnace of claim 1, wherein the negative pressure uniform distribution holes are conical holes with large top and small bottom.
3. The exhaust gas and dust recovery device for the electroslag furnace for forging blanks according to claim 1, wherein annular supporting bars and radial supporting bars are arranged between the bottom plate and the annular base plate.
4. The waste gas and dust recycling device for the forge piece blank electroslag furnace of claim 1, wherein an annular supporting plate is arranged at the bottom of the negative pressure ring, and the bottom surface of the annular supporting plate is a roughened anti-slip surface.
5. The exhaust gas and dust recycling device for the forge piece blank electroslag furnace of claim 1, wherein the threads for connecting the tuyere adjusting bolt with the negative pressure ring are positioned on the outer side of the negative pressure ring.
6. The exhaust gas and dust recycling device for the forge piece blank electroslag furnace of claim 1, wherein the inner hole of the negative pressure port is a through hole with two taper hole small ends in butt joint, and the air volume plug is conical on the outer peripheral surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910487983.9A CN110076174B (en) | 2019-06-05 | 2019-06-05 | Waste gas and dust recovery device for forge piece blank electroslag furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910487983.9A CN110076174B (en) | 2019-06-05 | 2019-06-05 | Waste gas and dust recovery device for forge piece blank electroslag furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110076174A CN110076174A (en) | 2019-08-02 |
| CN110076174B true CN110076174B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910487983.9A Active CN110076174B (en) | 2019-06-05 | 2019-06-05 | Waste gas and dust recovery device for forge piece blank electroslag furnace |
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| Country | Link |
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| CN (1) | CN110076174B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102188876A (en) * | 2011-03-25 | 2011-09-21 | 天津赛智科技发展有限公司 | High-efficiency energy-saving adsorption system for industrial volatile organic pollutants |
| CN204233921U (en) * | 2014-10-09 | 2015-04-01 | 陈佳佳 | The waste gas exhausting device of screw rod bit copper machine |
| CN204685043U (en) * | 2015-05-14 | 2015-10-07 | 长安大学 | A kind of a mixing bowl drain hole dust arrester |
| CN205965307U (en) * | 2016-08-28 | 2017-02-22 | 宜兴市荣茂化工有限公司 | Dust recovery device |
| JP3213150U (en) * | 2016-12-14 | 2017-10-19 | 盟立自動化股▲フン▼有限公司 | Automatic door dust remover and automatic door |
| CN206838728U (en) * | 2016-12-29 | 2018-01-05 | 马鞍山市中桥金属材料有限公司 | A kind of electroslag remelting bell-type wind send dust arrester |
| CN210474938U (en) * | 2019-06-05 | 2020-05-08 | 太仓市华鑫轧辊有限公司 | Waste gas and dust recovery device for forging blank electroslag furnace |
-
2019
- 2019-06-05 CN CN201910487983.9A patent/CN110076174B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102188876A (en) * | 2011-03-25 | 2011-09-21 | 天津赛智科技发展有限公司 | High-efficiency energy-saving adsorption system for industrial volatile organic pollutants |
| CN204233921U (en) * | 2014-10-09 | 2015-04-01 | 陈佳佳 | The waste gas exhausting device of screw rod bit copper machine |
| CN204685043U (en) * | 2015-05-14 | 2015-10-07 | 长安大学 | A kind of a mixing bowl drain hole dust arrester |
| CN205965307U (en) * | 2016-08-28 | 2017-02-22 | 宜兴市荣茂化工有限公司 | Dust recovery device |
| JP3213150U (en) * | 2016-12-14 | 2017-10-19 | 盟立自動化股▲フン▼有限公司 | Automatic door dust remover and automatic door |
| CN206838728U (en) * | 2016-12-29 | 2018-01-05 | 马鞍山市中桥金属材料有限公司 | A kind of electroslag remelting bell-type wind send dust arrester |
| CN210474938U (en) * | 2019-06-05 | 2020-05-08 | 太仓市华鑫轧辊有限公司 | Waste gas and dust recovery device for forging blank electroslag furnace |
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| Publication number | Publication date |
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| CN110076174A (en) | 2019-08-02 |
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