CN109900125B - Resistance furnace flue gas collecting device, collecting system and straight flute type resistance furnace - Google Patents
Resistance furnace flue gas collecting device, collecting system and straight flute type resistance furnace Download PDFInfo
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- CN109900125B CN109900125B CN201910224195.0A CN201910224195A CN109900125B CN 109900125 B CN109900125 B CN 109900125B CN 201910224195 A CN201910224195 A CN 201910224195A CN 109900125 B CN109900125 B CN 109900125B
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Abstract
The invention relates to a resistance furnace flue gas collecting device, a collecting system and a straight-groove type resistance furnace, and belongs to the technical field of waste gas prevention and control. The resistance furnace flue gas collection device comprises a cover body, a flue and a traveling crane assembly, wherein the flue comprises a connector part and a socket part, and one end of the socket part is sleeved at one end of the connector part. The crane component comprises a hoisting piece, a cover body hoisting rope and a flue recovery piece, one end of the flue hoisting rope is connected to the socket part and/or the interface part, and the other end of the flue hoisting rope is connected to the hoisting piece so as to firstly separate the interface of the adjacent resistance furnace flue gas collection device from the socket in the hoisting process, and the flue recovery piece is installed on the socket part and/or the interface part so as to clamp the adjacent resistance furnace flue gas collection device with the recovery device. The device divides the flue gas recovery device of the traditional large straight groove type resistance furnace into sections, reduces the length of the flue gas recovery device, reduces the hoisting difficulty, and prolongs the service life of equipment.
Description
Technical Field
The invention belongs to the technical field of waste gas prevention and control, and particularly relates to a flue gas collecting device and system of a resistance furnace and a straight-groove resistance furnace.
Background
At present, when a straight-tank resistance furnace is used for smelting silicon carbide products and graphitized coke products, a large amount of carbon monoxide gas and sulfur vapor and volatile combustible gas discharged from carbon materials are generated, the combustible gas is discharged from the interior of the smelting furnace to the outside and is combusted on the surface of the furnace, mixed flue gas containing a large amount of carbon dioxide and unburned carbon monoxide, sulfur dioxide and nitrogen dioxide is generated, and the flue gas needs to be collected and treated in a centralized manner.
However, the flue gas recovery device of the existing straight-groove resistance furnace has large transverse distance and large weight, and is high in hoisting difficulty in the process of taking materials or detecting and maintaining. In the hoisting process, the hoisting equipment or the flue gas recovery device is easily damaged, and the service life of the equipment is shortened.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a sectional type resistance furnace smoke collecting device which can reduce the difficulty of traveling and hanging.
The invention also provides a resistance furnace flue gas collecting system convenient for hoisting to take materials or to be inspected and maintained.
The invention also provides an environment-friendly straight-groove type resistance furnace.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a resistance furnace flue gas collection device covers the top of a straight-groove resistance furnace and comprises a cover body, a flue and a traveling crane assembly, wherein the cover body is a semi-surrounding structure with an opening at the lower end, the flue is arranged in the cover body, and the traveling crane assembly is connected with the cover body and the flue; a plurality of smoke discharge holes are uniformly formed in the flue; the flue comprises a connecting port part and a socket part, one end of the socket part is sleeved at one end of the connecting port part, a socket is arranged at one end of the socket part, which is far away from the connecting port part, a connector is arranged at one end of the connecting port part, which is far away from the socket part, and the socket and the connector can be in socket fit connection;
the hoisting component comprises a hoisting piece, a flue hoisting rope and a flue recovery piece, the hoisting piece is connected to the center of the top of the cover body, one end of the flue hoisting rope is connected to the socket part and/or the interface part, and the other end of the flue hoisting rope penetrates through the cover body and is connected to the hoisting piece, so that the interface of the adjacent flue gas collecting device of the resistance furnace is separated from the socket in the hoisting process; the flue recovery piece is arranged on the socket part and/or the interface part, so that the interface of the adjacent flue gas collecting device of the resistance furnace is clamped and recovered with the socket.
Preferably, the hoisting member comprises a fixed sleeve, a lifting rod and a hoisting ring, one end of the fixed sleeve is fixedly connected to the cover body, the lifting rod is slidably connected to the fixed sleeve, and the hoisting ring is fixedly connected to one end of the lifting rod; the flue lifting rope is fixedly connected to the lifting ring, and in the lifting process, the flue lifting rope is firstly stressed to enable the interface of the resistance furnace flue gas collecting device to be separated from the socket, the lifting is continued, and the lifting rod is clamped to the fixed sleeve to lift the cover body.
Preferably, the traveling crane assembly further comprises a cover body lifting rope, one end of the cover body lifting rope is connected to the side edge of the cover body, the other end of the cover body lifting rope is connected to the lifting ring, the cover body lifting rope has a lifting threshold amount, and the lifting threshold amount of the flue lifting rope is smaller than that of the cover body lifting rope.
Preferably, the flue lifting rope comprises a socket lifting rope and an interface part lifting rope, one end of the socket lifting rope is connected to the socket, the other end of the socket lifting rope penetrates through the cover body and is connected with the lifting piece, one end of the interface part lifting rope is connected to the interface part, and the other end of the interface part lifting rope penetrates through the cover body and is connected with the lifting piece.
Preferably, the flue recovery piece comprises a plurality of female end limiting rods and a plurality of female end limiting rods, the female end limiting rods are arranged on the female end, one end of each female end limiting rod is rotatably connected to the cover body, and the other end of each female end limiting rod is rotatably connected to the side wall of the female end; the interface end limiting rod is arranged on the interface part, one end of the interface end limiting rod is rotatably connected to the cover body, and the other end of the interface end limiting rod is rotatably connected to the side wall of the interface part; the socket end limiting rod is obliquely arranged relative to the socket part, and the interface end limiting rod is obliquely arranged relative to the interface part, so that the interface and the socket of the adjacent resistance furnace flue gas collecting device are clamped and reinstalled under the action of self gravity of the socket part and the interface part.
Preferably, the bottom of the cover body is provided with a plurality of supporting beams, two ends of the bottom of the flue are provided with limiting baffles, and the lower end faces of the limiting baffles are lower than the upper end faces of the supporting beams.
Preferably, an installation clamping groove is formed in one end of the lifting rod, and the bottom of the lifting ring is clamped in the clamping groove, so that the lifting ring is perpendicular to the upper surface of the cover body.
Preferably, the cover body is provided with a first pulley and a second pulley, one end, far away from the socket, of the socket lifting rope is wound around the first pulley and is fixedly connected to the hoisting piece, and one end, far away from the interface, of the interface lifting rope is wound around the second pulley and is fixedly connected to the hoisting piece.
A flue gas collecting system of the resistance furnace is formed by connecting a plurality of flue gas collecting devices of the resistance furnace, the interfaces are connected with adjacent bellmouths in a socket-and-spigot manner, one end of each bell mouth or each interface positioned at the tail end is closed, and the other end of each bell mouth or each interface is connected with a negative pressure generating device.
The straight-groove type resistance furnace comprises a furnace body and the resistance furnace flue gas collecting system, wherein the resistance furnace flue gas collecting system covers the top of the furnace body.
According to the technical scheme, the invention provides a resistance furnace flue gas collecting device, a collecting system and a straight-groove resistance furnace, and the resistance furnace flue gas collecting device has the beneficial effects that: the flue gas recovery device of the traditional large straight groove type resistance furnace is segmented, the length of the flue gas recovery device is reduced, and the hoisting difficulty is reduced. The method comprises the following steps that a plurality of sections of resistance furnace smoke collecting devices are connected with one another to form a resistance furnace smoke collecting system, when hoisting operation is carried out, hoisting equipment drives a hoisting piece to rise upwards, at the moment, a flue hoisting rope is firstly tightened, the socket part and the interface part are pulled to move relatively, and at the moment, two adjacent sockets are separated from the interface. And the hoisting piece continues to rise, and the cover body and the resistance furnace flue gas collecting device are pulled to integrally move upwards, so that the hoisting work is completed. In the hoisting process, the load of the travelling crane equipment is small, and the stress in the middle of the resistance furnace smoke collecting device is reduced, so that the service lives of the travelling crane equipment and the resistance furnace smoke collecting device are prolonged.
Drawings
FIG. 1 is a schematic structural view of a flue gas collecting device of an electric resistance furnace.
Fig. 2 is a partially enlarged view of a portion a shown in fig. 1.
FIG. 3 is a left side view of the flue gas collecting device of the electric resistance furnace in a normal state.
Fig. 4 is a schematic cross-sectional view of C-C shown in fig. 3.
Fig. 5 is another angular schematic view of the cross-sectional schematic view shown in fig. 4.
Fig. 6 is a partially enlarged view of the portion B shown in fig. 5.
FIG. 7 is a left side view of the flue gas collector of the electric resistance furnace in a suspended state.
Fig. 8 is a schematic cross-sectional view of D-D shown in fig. 7.
FIG. 9 is a schematic diagram of the flue gas collection system of the electric resistance furnace.
In the figure: the flue gas collection system comprises a resistance furnace flue gas collection system 1, a resistance furnace flue gas collection device 10, a cover body 100, a first pulley 101, a second pulley 102, a cover body hanging lug 103, a support beam 104, an inspection and observation hole 105, a flue 200, a flue gas discharge hole 201, a flue hanging lug 202, a limit baffle 203, a connecting part 210, a connector 211, a socket part 220, a socket 221, a traveling crane component 300, a hoisting part 310, a fixed sleeve 311, a lifting rod 312, an installation clamping groove 3121, a hoisting ring 313, a cover body hoisting rope 320, a flue hoisting rope 330, a socket part hoisting rope 331, a connecting part hoisting rope 332, a flue recovery part 340, a socket end limit rod 341 and a socket end limit rod 342.
Detailed Description
The technical solutions and effects of the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings of the present invention.
Referring to fig. 1 to 6, in an embodiment, a flue gas collecting device 10 of a resistance furnace covers the top of a straight-slot resistance furnace, and is used for intensively recycling a large amount of mixed gas generated during smelting silicon carbide products and smelting graphitized coke products in the straight-slot resistance furnace.
The resistance furnace flue gas collecting device 10 comprises a cover body 100, a flue 200 and a traveling crane assembly 300, wherein the cover body 100 is of a semi-surrounding structure with an opening at the lower end, the flue 200 is installed in the cover body 100 and is provided with a plurality of flue gas discharge holes 201, and the traveling crane assembly 300 is connected with the cover body 100 and the flue 200 so as to realize the hoisting of the flue 200 and the cover body 100 through the traveling crane assembly 300.
The flue 200 includes a connecting part 210 and a socket part 220, one end of the socket part 220 is sleeved on one end of the connecting part 210, and the socket part 220 can slide relative to the connecting part 210. A socket 221 is arranged at one end of the socket part 220 far away from the interface part 210, an interface 211 is arranged at one end of the interface part 210 far away from the socket part 220, and the socket 221 and the interface 211 can be in socket fit connection.
The travelling crane assembly 300 comprises a hoisting piece 310, a cover body hoisting rope 320, a flue hoisting rope 330 and a flue recovery piece 340, wherein the hoisting piece 310 is connected to the center of the top of the cover body 100, one end of the cover body hoisting rope 320 is connected to the side edge of the cover body 100, the other end of the cover body hoisting rope is connected to the hoisting piece 310, one end of the flue hoisting rope 330 is connected to the socket part 220 and/or the interface part 210, the other end of the flue hoisting rope penetrates through the cover body 100 and is connected to the hoisting piece 310, and the hoisting threshold amount of the flue hoisting rope 330 is smaller than that of the cover body hoisting rope 320, so that the interface 211 of the adjacent resistance furnace flue gas collection device 10 is separated from the socket 221 firstly in the hoisting process; the flue recovery piece 340 is mounted on the socket 220 and/or the interface 210, so that the interface 211 and the socket 221 of the adjacent electric resistance furnace flue gas collection device 10 are clamped and recovered.
The hoisting threshold amount is defined as the maximum idling distance of the cover body hoisting rope 320 and the flue hoisting rope 330 during the hoisting process, that is, the maximum distance that the cover body hoisting rope 320 and the flue hoisting rope 330 are allowed to rise without being stressed during the hoisting process, namely, the hoisting member 310 is lifted.
Referring to fig. 9, in a normal state, a plurality of resistance furnace flue gas collecting devices 10 are connected end to form a resistance furnace flue gas collecting system 1, the resistance furnace flue gas collecting system is covered on the top of the straight-groove type resistance furnace, the interface 211 is connected with the adjacent bellmouth 221 in a socket-and-spigot manner, one end of the bellmouth 221 or the interface 211 positioned at the tail end is closed, and the other end is connected with a negative pressure generating device. The negative pressure generating device provides a certain negative pressure to guide mixed flue gas generated in the smelting process to enter the flue 200 through the flue gas discharge holes 201, so that the concentrated collection and treatment of the mixed flue gas are realized.
Referring to fig. 7 and 8, when the material is required to be taken or the maintenance operation of the resistance furnace is required to be performed after the smelting is completed, a traveling crane device is used to act on the hoisting member 310, so that the hoisting member 310 moves upward relative to the cover body 100. At this time, the flue lifting rope 330 with a smaller lifting threshold is firstly stressed and drives the socket part 220 and the interface part 210 to move relatively, so that the socket 221 and the interface 211 connected with two adjacent resistance furnace flue gas collection devices 10 are separated and completely accommodated in the cover body 100 in the process of lifting upwards. The hoisting device drives the hoisting member 310 to continuously ascend, and the hoisting rope 320 with a larger hoisting threshold is stressed to integrally hoist the cover 100 together with the flue gas collecting device 10 of the resistance furnace, so as to complete the hoisting operation. Because resistance furnace flue gas collection device 10 is small, light in weight, so the hoist and mount degree of difficulty is less. The load of the travelling crane equipment is small, and the stress borne by the middle part of the resistance furnace smoke collecting device 10 is small in the hoisting process, so that the service life of the equipment is prolonged.
In the reloading process, the crane drives the flue gas collecting device 10 of the resistance furnace to descend as a whole, the cover body is firstly covered on the straight-groove resistance furnace, the hoisting piece 310 descends continuously, the cover body hoisting rope 320 is firstly loosened slowly, then the flue hoisting rope 330 is loosened, and the socket part 220 and the interface part 210 are automatically butted under the action of the flue recovering piece 340 to complete the installation.
The flue recovery part 340 may be an elastic device installed at a connection portion of the socket portion 220 and the interface portion 210, in a preferred embodiment, the flue recovery part 340 includes a plurality of socket-end limiting rods 341 and a plurality of interface-end limiting rods 342, the socket-end limiting rods 341 are disposed on the socket portion 220, and one end of each of the socket-end limiting rods 341 is rotatably connected to the cover body 100, and the other end of each of the socket-end limiting rods 341 is rotatably connected to a side wall of the socket portion 220; the interface end limiting rod 342 is disposed on the interface portion 210, and one end of the interface end limiting rod is rotatably connected to the cover body 100, and the other end of the interface end limiting rod is rotatably connected to the sidewall of the interface portion 210; the socket-end limiting rod 341 is obliquely arranged relative to the socket part 220, and the interface-end limiting rod 342 is obliquely arranged relative to the interface part 210, so that the interface 211 and the socket 221 of the adjacent flue gas collecting device 10 of the resistance furnace are clamped and reinstalled under the action of the self gravity of the socket part 220 and the interface part 210.
In the installation process, the inclination angle of the female end limiting rod 341 and the interface end limiting rod 342 relative to the female end 220 and the interface portion 210 is reduced, that is, the connection end of the female end limiting rod 341 and the interface end limiting rod 342 and the female end 220 and the interface portion 210 moves towards the end far away from the female end 221 and the interface 211, so as to keep the female end 220 relatively horizontal to the interface portion 210, and ensure the stability in the processes of hoisting and separating the female end 220 and the interface portion 210.
In the reinstallation process, the inclination angles of the female end limiting rod 341 and the interface end limiting rod 342 relative to the female end 220 and the interface portion 210 become larger, that is, the connection ends of the female end limiting rod 341 and the interface end limiting rod 342 and the female end 220 and the interface portion 210 move towards the end close to the female end 221 and the interface 211, so as to maintain the relative level of the female end 220 and the interface portion 210, and ensure the stability in the placing and reinstallation processes of the female end 220 and the interface portion 210.
In a specific embodiment, the flue hanging rope 330 includes a socket hanging rope 331 and an interface hanging rope 332, one end of the socket hanging rope 331 is connected to the socket 220, the other end of the socket hanging rope 331 penetrates through the cover 100 and is connected to the hanger 310, one end of the interface hanging rope 332 is connected to the interface 210, and the other end of the interface hanging rope 332 penetrates through the cover 100 and is connected to the hanger 310.
In another embodiment, a plurality of supporting beams 104 are disposed at the bottom of the cover 100, and the supporting beams 104 are used for supporting the flue 200, so as to prevent the socket lifting rope 331 and the interface lifting rope 332 from being in a stressed state for a long time. The two ends of the bottom of the flue 200 are provided with limit baffles 203, and the lower end faces of the limit baffles 203 are lower than the upper end faces of the support beams 104, so that the maximum displacement of the socket part 220 and the interface part 210 is further limited, and the hoisting safety is guaranteed.
In this embodiment, during the hoisting process, the inclination angles of the socket-end stopper rod 341 and the interface-end stopper rod 342 with respect to the socket part 220 and the interface part 210 become smaller, and the stopper 203 located on the socket part 220 and the interface part 210 moves toward the direction away from the support beam 104. In the process of reinstalling, the inclination angle between the socket end limiting rod 341 and the interface end limiting rod 342 relative to the socket portion 220 and the interface portion 210 becomes larger, the limiting baffle 203 moves towards the direction close to the supporting beam 104, and finally attaches to the supporting beam 104, and is blocked by the supporting beam 104, the socket portion 220 and the interface portion 210 stop moving, at this time, the socket end limiting rod 341 and the interface end limiting rod 342 are still in an inclined state, and the socket portion 220 and the interface portion 210 still have outward tensile stress, so that on one hand, connection is fastened, and on the other hand, the socket portion 220 and the interface portion 210 are prevented from reciprocating shaking.
In another specific embodiment, a plurality of flue hangers 202 are disposed on two sides of the flue 200, and cover hangers 103 corresponding to the flue hangers 202 in number and position are disposed on the cover 100; one end of the female end limiting rod 341 and one end of the female end limiting rod 342 are hung on the flue hanging lug 202, and the other end of the female end limiting rod is hung on the cover hanging lug 103. So as to limit the maximum displacement between the socket part 220 and the interface part 210 during the hoisting or reinstalling process, thereby ensuring the hoisting safety.
In another embodiment, the lifting member 310 includes a fixed sleeve 311, a lifting rod 312 and a hanging ring 313, the bottom end of the fixed sleeve 311 is fixedly connected to the cover 100, the lifting rod 312 is slidably connected to the fixed sleeve 311, and the hanging ring 313 is fixedly connected to the upper end of the lifting rod 312; the cover lifting rope 320, the socket lifting rope 331 and the interface lifting rope 332 are all fixedly connected to the hanging ring 313.
In one embodiment, during the lifting process, the flue hanging rope 330 is firstly stressed to disengage the interface 211 of the flue gas collection device 10 from the socket 221, and then the lifting rod 312 is engaged with the fixing sleeve 311 to lift the cover 100, so that the purpose of lifting the flue gas collection device 10 can be achieved without using the cover hanging rope 320.
In another specific embodiment, an installation slot 3121 is opened at one end of the lifting rod 312, and the bottom of the hanging ring 313 is clamped in the slot 3121, so that the hanging ring 313 is perpendicular to the upper surface of the cover body 100, thereby facilitating the hanging of the hanging device to the hanging ring 313 and avoiding manual high-altitude operation.
In another embodiment, the cover 100 is provided with a first pulley 101 and a second pulley 102, an end of the socket lifting rope 331 far away from the socket 220 is looped through the first pulley 101 and fixedly connected to the hanger 310, and an end of the interface lifting rope 332 far away from the interface 210 is looped through the second pulley 102 and fixedly connected to the hanger 310. In the hoisting or reloading process, the socket lifting rope 331 and the interface part lifting rope 332 respectively roll on the first pulley 101 and the second pulley 102, so that the abrasion of the socket lifting rope 331 and the interface part lifting rope 332 is reduced, the service lives of the socket lifting rope 331 and the interface part lifting rope 332 are prolonged, the process of hoisting or reloading is ensured, and the socket lifting rope 331 and the interface part lifting rope 332 are prevented from being jammed.
In another embodiment, the cover 100 has inspection holes 105 formed on both sides thereof for easy observation and maintenance.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. A resistance furnace flue gas collection device is covered on the top of a straight-groove resistance furnace and is characterized by comprising a cover body, a flue and a traveling crane assembly, wherein the cover body is of a semi-surrounding structure with an opening at the lower end, the flue is arranged in the cover body, and the traveling crane assembly is connected with the cover body and the flue; a plurality of smoke discharge holes are formed in the flue;
the flue comprises a connecting port part and a socket part, one end of the socket part is sleeved at one end of the connecting port part, a socket is arranged at one end of the socket part, which is far away from the connecting port part, a connector is arranged at one end of the connecting port part, which is far away from the socket part, and the socket and the connector can be in socket fit connection;
the hoisting component comprises a hoisting piece, a flue hoisting rope and a flue recovery piece, the hoisting piece is connected to the center of the top of the cover body, one end of the flue hoisting rope is connected to the socket part and/or the interface part, and the other end of the flue hoisting rope penetrates through the cover body and is connected to the hoisting piece, so that the interface of the adjacent flue gas collecting device of the resistance furnace is separated from the socket in the hoisting process; the flue recovery piece is arranged on the socket part and/or the interface part, so that the interface of the adjacent flue gas collecting device of the resistance furnace is clamped and recovered with the socket.
2. The resistance furnace flue gas collection device of claim 1, wherein the hanger comprises a fixed sleeve, a lifting rod and a lifting ring, one end of the fixed sleeve is fixedly connected to the cover body, the lifting rod is slidably connected to the fixed sleeve, and the lifting ring is fixedly connected to one end of the lifting rod; the flue lifting rope is fixedly connected to the lifting ring, and in the lifting process, the flue lifting rope is firstly stressed to enable the interface of the resistance furnace flue gas collecting device to be separated from the socket, the lifting is continued, and the lifting rod is clamped to the fixed sleeve to lift the cover body.
3. The resistance furnace flue gas collection device of claim 2, wherein the travelling crane assembly further comprises a cover body lifting rope, one end of the cover body lifting rope is connected to the side edge of the cover body, the other end of the cover body lifting rope is connected to the lifting ring, and the cover body lifting rope has a lifting threshold amount, and the lifting threshold amount of the flue lifting rope is smaller than the lifting threshold amount of the cover body lifting rope.
4. The resistance furnace flue gas collection device of claim 1, wherein the flue lifting rope comprises a socket lifting rope and an interface lifting rope, wherein the socket lifting rope is connected to the socket at one end and penetrates through the cover and is connected to the hanger, and the interface lifting rope is connected to the interface at one end and penetrates through the cover and is connected to the hanger at the other end.
5. The resistance furnace flue gas collection device of claim 1, wherein the flue recovery piece comprises a plurality of female end limiting rods and a plurality of female end limiting rods, the female end limiting rods are arranged on the female end, one end of each female end limiting rod is rotatably connected to the cover body, and the other end of each female end limiting rod is rotatably connected to the side wall of the female end; the interface end limiting rod is arranged on the interface part, one end of the interface end limiting rod is rotatably connected to the cover body, and the other end of the interface end limiting rod is rotatably connected to the side wall of the interface part;
the socket end limiting rod is obliquely arranged relative to the socket part, and the interface end limiting rod is obliquely arranged relative to the interface part, so that the interface and the socket of the adjacent resistance furnace flue gas collecting device are clamped and reinstalled under the action of self gravity of the socket part and the interface part.
6. The flue gas collecting device of the resistance furnace according to claim 1, wherein a plurality of support beams are arranged at the bottom of the cover body, limit baffles are arranged at two ends of the flue bottom, and the lower end surfaces of the limit baffles are lower than the upper end surfaces of the support beams.
7. The resistance furnace flue gas collection device of claim 2, wherein one end of the lifting rod is provided with a mounting clamping groove, and the bottom of the hanging ring is clamped in the clamping groove so that the hanging ring is perpendicular to the upper surface of the cover body.
8. The flue gas collecting device of claim 4, wherein the cover body is provided with a first pulley and a second pulley, one end of the socket lifting rope far away from the socket is wound around the first pulley and fixedly connected to the hanger, and one end of the interface lifting rope far away from the interface is wound around the second pulley and fixedly connected to the hanger.
9. A flue gas collecting system of a resistance furnace, which is characterized in that the flue gas collecting system is formed by connecting a plurality of flue gas collecting devices of the resistance furnace according to any one of claims 1 to 8, the interface socket is connected with the adjacent bellmouths, one end of the bell mouth or the interface at the tail end is closed, and the other end is connected with a negative pressure generating device.
10. The straight-groove type resistance furnace is characterized by comprising a furnace body and the resistance furnace flue gas collecting system according to claim 9, wherein the resistance furnace flue gas collecting system covers the top of the furnace body.
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| CN201910224195.0A CN109900125B (en) | 2019-03-22 | 2019-03-22 | Resistance furnace flue gas collecting device, collecting system and straight flute type resistance furnace |
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| CN201910224195.0A CN109900125B (en) | 2019-03-22 | 2019-03-22 | Resistance furnace flue gas collecting device, collecting system and straight flute type resistance furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0743218B2 (en) * | 1992-06-30 | 1995-05-15 | 信六 西山 | Electric furnace dust collector |
| CN100577820C (en) * | 2008-01-30 | 2010-01-06 | 中冶华天工程技术有限公司 | Mobile smoke blast trapping device for furnace mixer |
| CN201581105U (en) * | 2009-12-31 | 2010-09-15 | 中冶南方工程技术有限公司 | Smoke-gas collecting hood of molten iron sulphur removal station |
| CN201615703U (en) * | 2010-01-26 | 2010-10-27 | 江阴市盛凯环保设备有限公司 | Transverse feeding intermediate frequency furnace flue gas trap |
| CN106524772A (en) * | 2015-09-11 | 2017-03-22 | 湖北中冶窑炉有限公司 | Efficient smoke suction hood |
| CN205730757U (en) * | 2016-06-15 | 2016-11-30 | 衡阳旺发锡业有限公司 | Electric furnace dust recovery system |
| CN208155087U (en) * | 2018-04-26 | 2018-11-27 | 青岛中智达环保熔炼设备有限公司 | Driving passes through formula overhead electric furnace dust exhaust apparatus |
| CN108591646A (en) * | 2018-07-20 | 2018-09-28 | 中冶南方工程技术有限公司 | A kind of U-shaped double-walled Spigot-and-socket pipe joint and its installation method |
| CN108827011A (en) * | 2018-08-10 | 2018-11-16 | 机械工业第六设计研究院有限公司 | Telescopic bonnet for silicon carbide smelting exhaust collection |
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