CN115854720A

CN115854720A - Smoke quantitative feeding system for smelting furnace

Info

Publication number: CN115854720A
Application number: CN202310197988.4A
Authority: CN
Inventors: 胡伟波; 高慧; 杨军; 杜会同
Original assignee: Henan Ruideke Pneumatic Conveying Equipment Co ltd
Current assignee: Henan Ruideke Pneumatic Conveying Equipment Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-03-28
Anticipated expiration: 2043-03-03
Also published as: CN115854720B

Abstract

The invention discloses a smoke quantitative feeding system for a smelting furnace, which relates to the field of smelting furnace feeding and solves the problems that smoke is easy to spray out when the existing smoke quantitative feeding system for the smelting furnace is used for feeding, and the indoor air quality and the feeding efficiency are influenced.

Description

Smoke quantitative feeding system for smelting furnace

Technical Field

The invention relates to the technical field of smelting furnace quantitative feeding, in particular to a smoke quantitative feeding system for a smelting furnace.

Background

The smelting furnace is equipment for melting metal ingots and some waste metals, adding necessary alloy components, and smelting the metal ingots and the waste metals into required alloy through operations of slagging-off, refining and the like. During the smelting of these metals and metal alloys by means of a smelting furnace, a large amount of dust must be produced, and the dust contains a large amount of dust, sulfur dioxide and nitrate-containing gases, which if discharged directly can cause serious pollution to the atmosphere.

According to patent CN218155482U, current smelting furnace generally directly opens the furnace body in top or side when the feed, to inside add the raw materials, because produced a large amount of smoke and dust through the heating in the furnace body, very easily through the direct discharge of pan feeding mouth when the feed, influence workman's health and the air quality in the mill, the sight when a large amount of smoke and dust can influence the feed simultaneously is unfavorable for carrying out the dosing, greatly reduced the efficiency of production. Therefore, a smoke quantitative feeding system for a smelting furnace is provided.

Disclosure of Invention

The invention aims to provide a smoke quantitative feeding system for a smelting furnace, which is convenient for quantitative feeding and simultaneously avoids smoke from being dissipated to the outside, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a smoke and dust dosing system for smelting furnace, includes support, dosing mechanism, smoke exhaust mechanism and shake mechanism, fixedly connected with furnace body on the support, fixedly connected with device section of thick bamboo on the furnace body, the upper end fixedly connected with of device section of thick bamboo goes into the hopper, device section of thick bamboo is used for the intercommunication go into the hopper with the furnace body, dosing mechanism is including installing in lower baffle and last baffle in going into the hopper, the baffle down with the upside of overhead gage is the conical surface, dosing mechanism is used for through the required amount of raw materials is measured to lower baffle, and drives down the baffle with the overhead gage moves down carry out the ration pan feeding in the furnace body, smoke exhaust mechanism includes fixed mounting in the blast pipe on the support, smoke exhaust mechanism is used for when the pan feeding scatters and disappears, through the stirring of lower baffle close the blast pipe with the intercommunication of furnace body realizes the pan feeding smokelessly, after the pan feeding is accomplished, through the overhead gage open the intercommunication of blast pipe, will earlier carry out the smoke and dust exhaust operation again in the furnace body, avoid taking outside, install in the smoke and be used for the stove moves down the baffle is shaken when the stove is gone into the shake, thereby the stove is convenient for the stove feeding is gone into the feeder, thereby the process of shaking is carried out the operation under the stove.

Preferably, the quantitative mechanism further comprises guide blocks fixedly mounted on the side faces of the upper baffle and the lower baffle, guide grooves capable of being in sliding connection with the guide blocks in the vertical direction are formed in the feeding hopper, the device barrel and the furnace body, weighing parts used for weighing the weight of the raw materials on the lower baffle are arranged on the lower baffle, and lifting parts used for driving the upper baffle and the lower baffle to move up and down are arranged in the feeding hopper, so that quantitative feeding is facilitated.

Preferably, the smoke exhaust mechanism further comprises a plurality of groups of lifting blocks arranged in the device barrel, a plurality of groups of exhaust grooves are uniformly formed in the inner wall of the device barrel, openings of the exhaust grooves are communicated with the side face of the device barrel, the lifting blocks are respectively arranged in the plurality of groups of exhaust grooves, a lifting plate is fixedly connected to the side face of each lifting block and is in sliding connection with the exhaust grooves along the vertical direction, the lifting plate is used for controlling the communication state of the exhaust grooves and the device barrel, a control piece used for controlling the lifting state of the lifting blocks is arranged on each lifting block, and an exhaust piece used for exhausting smoke and dust in the exhaust grooves is arranged on the device barrel, so that the exhaust state of the smoke and dust is conveniently controlled.

Preferably, the control piece including install in the first magnet of exhaust duct opening upper end position, exhaust duct opening lower extreme position fixedly connected with second magnet, the elevator is made by magnetic metal material, first spout has been seted up in the elevator, along horizontal direction sliding connection there is the fixture block in the first spout, the one end fixedly connected with of fixture block with first spout fixed connection's first spring is convenient for control elevator lifting state.

Preferably, weigh the piece including fixed mounting in the installation pipe of overhead gage bottom, fixedly connected with weighing equipment on the installation pipe, baffle top fixedly connected with down with installation pipe outer wall is along vertical direction sliding connection's slip pipe, the upper end fixedly connected with of slip pipe with weighing equipment fixed connection's first extension spring is convenient for weigh down raw materials weight on the baffle.

Preferably, the lift piece including fixed mounting in go into the mounting bracket in the hopper, fixedly connected with mount in the furnace body, fixedly connected with driving motor on the mounting bracket, driving motor's the coaxial fixedly connected with of output with the lead screw that the mount rotated the connection, the lead screw runs through the installation pipe the overhead gage with the baffle down, and with installation pipe threaded connection, the lead screw with the overhead gage with the equal activity of baffle cup joints down, is convenient for drive overhead gage and lower baffle carry out the lift removal.

Preferably, the shaking mechanism comprises a rotating block fixedly installed at the bottom end of the screw rod, a plurality of groups of first protruding blocks are fixedly connected to the upper end of the rotating block, and a plurality of groups of second protruding blocks are fixedly connected to the bottom of the lower baffle, so that raw materials on the lower baffle can be shaken off completely.

Preferably, the exhaust part comprises an annular pipe communicated with the exhaust pipe, a plurality of groups of connecting pipes are communicated and connected to the annular pipe, one end of each connecting pipe is fixedly connected with the device barrel, the connecting pipes are respectively communicated with the plurality of groups of exhaust grooves, and the exhaust pipe is fixedly connected with an air exhaust fan, so that smoke dust in the exhaust grooves can be conveniently exhausted.

Preferably, the bottom end of the furnace body is communicated and connected with a discharge pipe, so that molten raw materials in the furnace body can be discharged conveniently.

Preferably, the lifting plate is made of light plastic materials, so that the lifting plate is low in weight and convenient to lift, open and close.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention provides a smoke dust quantitative feeding system for a smelting furnace, which is characterized in that raw materials with required amount are added into a feeding hopper, the raw materials fall onto the upper part of a lower baffle plate, a first tension spring is pulled to move downwards through a sliding pipe, feeding is stopped after the raw materials with required amount are weighed by weighing equipment, at the moment, a driving motor is started to drive a screw rod to rotate in the positive direction, an installation pipe and an upper baffle plate can be driven to move downwards through the screw rod until the lower baffle plate slides into a furnace body, the raw materials on the lower baffle plate slide into the furnace body to the periphery, a rotating block is driven to rotate under the driving of the screw rod, a first convex block continuously jacks up a second convex block and the lower baffle plate when being in contact with the second convex block, the effect of shaking off the raw materials is achieved, at the moment, the upper baffle plate is positioned in a device cylinder, the upper end of the furnace body is sealed, smoke dust leakage is prevented, the screw rod is driven to rotate in the reverse direction after feeding is completed, the upper baffle plate and the lower baffle plate can move upwards and reset, and then the quantitative feeding operation can be carried out again.

2. When the lower baffle plate is used for weighing raw materials, the lifting block is positioned at the upper end of the exhaust groove and mutually adsorbs a first magnet, the opening of the exhaust groove is opened by the lifting plate, an exhaust fan is started to exhaust the exhaust pipe, the annular pipe and the connecting pipe, smoke in the furnace body is exhausted through the exhaust groove, when feeding is needed, the lower baffle plate moves downwards to touch the upper inclined surface of the fixture block, the fixture block and the lifting block are pushed downwards to remove adsorption with the first magnet, the lifting block adsorbs a second magnet, the lifting block continues to move downwards to the lower part of the fixture block, the lifting block is kept at the lower side position to stop exhausting, after feeding is completed, the upper baffle plate moves upwards to push the fixture block and the lifting block upwards, the lifting plate gradually moves upwards to open the opening of the exhaust groove, the lifting block is adsorbed with the first magnet again, the lower baffle plate and the upper baffle plate are simultaneously positioned in the device barrel, the exhaust groove directly pumps the smoke between the upper baffle plate and the lower baffle plate, the upper baffle plate and the lifting block slide to connect to the upper part of the lifting block to the exhaust groove, and the furnace body, and then the exhaust groove can continue operation.

3. According to the smoke quantitative feeding system for the smelting furnace, raw materials melted in the furnace can be discharged by opening the discharge pipe, the first tension spring is used for ensuring that a certain stretching buffer space is formed between the lower baffle and the upper baffle, so that weighing equipment can weigh conveniently, and meanwhile, when a first bump is jacked up in the later period, the lower baffle can slide in the vertical direction, the upper baffle and the lower baffle are in a vertical sliding state relatively, a group of guide blocks are always ensured to be in the guide grooves in the lifting process, the lead screw can rotate to avoid driving the upper baffle and the lower baffle to rotate, the upper baffle and the lower baffle are always in a vertical lifting state, the device is simple in structure, quantitative feeding is realized, the phenomenon of smoke diffusion in the feeding and discharging process is avoided, heat dissipation in the furnace body is reduced, the working efficiency and the energy utilization rate are improved, and the smoke quantitative feeding and dust quantitative feeding system is more environment-friendly and healthful to use.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of the dosing mechanism of the present invention;

FIG. 4 is a cross-sectional view of the present invention;

FIG. 5 is an enlarged view of area A in FIG. 4;

FIG. 6 is an enlarged view of area B of FIG. 5;

FIG. 7 is an enlarged view of area C of FIG. 5;

FIG. 8 is a schematic diagram of the structure of the dithering mechanism of the present invention;

FIG. 9 is a sectional view of the dosing mechanism of the present invention;

fig. 10 is an exploded view of the dosing mechanism of the present invention.

In the figure: 1-a scaffold; 2-furnace body; 3-a device cartridge; 4-feeding into a hopper; 5-a dosing mechanism; 6-lower baffle; 7-an upper baffle; 8-a smoke exhaust mechanism; 9-an exhaust pipe; 10-a shaking mechanism; 12-a guide block; 13-a guide groove; 14-weighing member; 15-a lifting member; 16-a lifting block; 17-an exhaust groove; 18-a lifter plate; 19-a control member; 20-an exhaust; 22-a first magnet; 23-a second magnet; 24-a first runner; 25-a fixture block; 26-a first spring; 27-installing a tube; 28-a weighing device; 29-a sliding tube; 30-a first tension spring; 31-a mounting frame; 32-a fixed mount; 33-a drive motor; 34-a screw rod; 35-a turning block; 36-a first bump; 37-a second bump; 38-a ring-shaped tube; 39-connecting pipe; 40-an air exhaust fan; 41-a discharge pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, the present invention provides a technical solution: the utility model provides a smoke and dust dosing system for smelting furnace, which comprises a bracket 1, dosing mechanism 5, smoke discharging mechanism 8 and shake mechanism 10, fixedly connected with furnace body 2 on the support 1, fixedly connected with device section of thick bamboo 3 on the furnace body 2, the upper end fixedly connected with of device section of thick bamboo 3 goes into hopper 4, device section of thick bamboo 3 is used for communicateing into hopper 4 and furnace body 2, the bottom intercommunication of furnace body 2 is connected with discharging pipe 41, dosing mechanism 5 is including installing lower baffle 6 and last baffle 7 in going into hopper 4, the upside of lower baffle 6 and last baffle 7 is the conical surface, dosing mechanism 5 is used for measuring required amount's raw materials through lower baffle 6, and drive lower baffle 6 and last baffle 7 and move down and carry out the dosing in furnace body 2, smoke discharging mechanism 8 includes exhaust pipe 9 of fixed mounting on support 1, smoke discharging mechanism 8 is used for when the feeding, stir through lower baffle 6 and close the intercommunication of

exhaust pipe

9 and 2, realize smokeless, after the feeding is accomplished, open the intercommunication of exhaust pipe 9 through last baffle 7, smoke and dust after last baffle 7 and lower baffle 6, again move down to the operation in furnace body 2, thereby make the operation of smoke discharging be used for the shaking of furnace body 2, thereby when the shaking is accomplished, the operation of furnace body is carried out the shake under the operation, thereby the operation, the operation of taking 2, thereby the operation, the operation of furnace body is carried out in the shake under the operation, thereby make the operation of furnace body 2, the operation, thereby the operation, the operation of furnace body 2.

The smoke exhaust mechanism 8 further comprises a plurality of groups of lifting blocks 16 arranged in the device barrel 3, a plurality of groups of exhaust grooves 17 are uniformly formed in the inner wall of the device barrel 3, openings of the exhaust grooves 17 are communicated with the side face of the device barrel 3, the lifting blocks 16 are respectively arranged in the plurality of groups of exhaust grooves 17, a lifting plate 18 which is connected with the exhaust grooves 17 in a sliding mode along the vertical direction is fixedly connected to the side face of each lifting block 16, the lifting plate 18 is made of light plastic materials, the lifting plate 18 is used for controlling the communication state of the exhaust grooves 17 and the device barrel 3, a control piece 19 used for controlling the lifting state of the lifting blocks 16 is arranged on each lifting block 16, and an exhaust piece 20 used for exhausting smoke dust in the exhaust grooves 17 is arranged on the device barrel 3.

The control piece 19 comprises a first magnet 22 arranged at the upper end of an opening of the exhaust duct 17, a second magnet 23 is fixedly connected at the lower end of the opening of the exhaust duct 17, the lifting block 16 is made of a magnetic metal material, a first sliding groove 24 is formed in the lifting block 16, a clamping block 25 is connected in the first sliding groove 24 in a sliding mode along the horizontal direction, a first spring 26 fixedly connected with the first sliding groove 24 is fixedly connected to one end of the clamping block 25, the exhaust piece 20 comprises a ring-shaped pipe 38 communicated with the exhaust duct 9, a plurality of groups of connecting pipes 39 are communicated and connected to the ring-shaped pipe 38, one end of each connecting pipe 39 is fixedly connected with the device barrel 3, the connecting pipes 39 are respectively communicated with the plurality of groups of exhaust ducts 17, and an air exhaust fan 40 is fixedly connected to the exhaust duct 9.

The quantifying mechanism 5 further comprises a guide block 12 fixedly installed on the side face of the upper baffle 7 and the lower baffle 6, the quantitative mechanism is installed into the hopper 4, a guide groove 13 capable of being connected with the guide block 12 in a vertical direction in a sliding mode is formed in the device barrel 3 and the furnace body 2, a weighing part 14 used for weighing the weight of raw materials on the lower baffle 6 is arranged on the lower baffle 6, a lifting part 15 used for driving the upper baffle 7 and the lower baffle 6 to move up and down is arranged in the hopper 4, the weighing part 14 comprises an installation pipe 27 fixedly installed at the bottom end of the upper baffle 7, a weighing device 28 is fixedly connected onto the installation pipe 27, a sliding pipe 29 fixedly connected with the outer wall of the lower baffle 6 and fixedly connected with the outer wall of the installation pipe 27 in the vertical direction, and a first tension spring 30 fixedly connected with the weighing device 28 is fixedly connected with the upper end of the sliding pipe 29.

The lifting piece 15 comprises a mounting frame 31 fixedly mounted in the feeding hopper 4, a fixing frame 32 is fixedly connected in the furnace body 2, a driving motor 33 is fixedly connected to the mounting frame 31, the type of the driving motor 33 is preferably YYHS-40, the output end of the driving motor 33 is coaxially and fixedly connected with a lead screw 34 rotatably connected with the fixing frame 32, the lead screw 34 penetrates through the mounting pipe 27, the upper baffle 7 and the lower baffle 6 and is in threaded connection with the mounting pipe 27, and the lead screw 34 is movably sleeved with the upper baffle 7 and the lower baffle 6.

The shaking mechanism 10 comprises a rotating block 35 fixedly mounted at the bottom end of the screw rod 34, a plurality of groups of first convex blocks 36 are fixedly connected to the upper end of the rotating block 35, and a plurality of groups of second convex blocks 37 are fixedly connected to the bottom of the lower baffle 6.

The required amount of raw materials are added into the feeding hopper 4, the raw materials fall to the upper side of the lower baffle 6, the first tension spring 30 is pulled to move downwards through the sliding pipe 29, the feeding is stopped after the required amount of raw materials are weighed through the weighing device 28, the driving motor 33 is started to drive the screw rod 34 to rotate forwards, the mounting pipe 27 and the upper baffle 7 can be driven to move downwards through the screw rod 34, the guide block 12 on the lower baffle 6 slides in the guide groove 13 at the moment, the guide block 12 on the upper baffle 7 gradually slides downwards into the guide groove 13 until the lower baffle 6 slides into the furnace body 2, the raw materials on the lower baffle 6 slide into the furnace body 2 all around at the moment, the rotating block 35 is driven to rotate by the screw rod 34, the first lug 36 continuously jacks up the second lug 37 and the lower baffle 6 when contacting with the second lug 37, the effect of shaking-off the raw materials is achieved, the quantitative raw materials on the lower baffle 6 are ensured to completely slide into the furnace body 2, the upper baffle 7 is located in the device barrel 3 at the moment, the upper end of the furnace body 2 is sealed, the leakage of smoke dust is prevented, the upper baffle 7 and the feeding hopper 7 can be driven to move upwards and the feeding device can be driven to move downwards through the reverse baffle 6, and the feeding device 7 and the feeding barrel 6 can be reset after the feeding device is started.

When the lower baffle 6 weighs raw materials, the lifting block 16 is positioned at the upper end of the exhaust groove 17 and mutually adsorbs the first magnet 22, at the moment, the opening of the exhaust groove 17 is opened by the lifting plate 18, the exhaust pipe 9, the annular pipe 38 and the connecting pipe 39 can be exhausted by starting the air exhaust fan 40, smoke dust in the furnace body 2 is exhausted through the exhaust groove 17, when feeding is needed, the lower baffle 6 moves downwards to touch the upper inclined surface of the fixture block 25, the fixture block 25 and the lifting block 16 can be pushed downwards together to remove adsorption with the first magnet 22 until the opening of the exhaust groove 17 is blocked by the lifting plate 18, the lifting block 16 is adsorbed by the second magnet 23, and then the lower baffle 6 continues to move downwards to push the fixture block 25 to slide into the first sliding groove 24 to compress the first spring 26 until the lower baffle 6 moves below the fixture block 25, the fixture block 25 pops up and is pushed by the upper baffle 7 again, the lifting block 16 keeps at the lower position to stop exhausting, after feeding is completed, the upper baffle 7 moves upwards to push the fixture block 25 and the lifting block 16 to move upwards, the lifting plate 18 gradually moves upwards to open the opening of the exhaust groove 17, the lifting block 16 is adsorbed with the first magnet 22 again, the lower baffle 6 and the upper baffle 7 are positioned in the device cylinder 3 at the same time, middle raw materials are exhausted, a certain amount of smoke dust is stored, the exhaust groove 17 directly extracts the smoke dust between the upper baffle 7 and the lower baffle 6 at the moment, the opening of the exhaust groove 17 is communicated with the interior of the furnace body 2 along with the fact that the upper baffle 7 and the lower baffle 6 slide to the upper side of the lifting block 16 in succession, and then furnace exhaust operation can be continued.

The raw materials after melting in the stove can be discharged by opening the discharging pipe 41, the first tension spring 30 is used for ensuring that a certain stretching buffer space is formed between the lower baffle 6 and the upper baffle 7, the weighing device 28 can weigh conveniently and the lower baffle 6 can slide in the vertical direction when the first bump 36 is jacked up in the later period, the upper baffle 7 and the lower baffle 6 are relatively in the vertical sliding state, and a group of guide blocks 12 are always ensured to be in the guide grooves 13 in the lifting process, so that the screw rod 34 can rotate to prevent the upper baffle 7 and the lower baffle 6 from rotating, the upper baffle 7 and the lower baffle 6 are always in the vertical lifting state, the device is simple in structure, the phenomenon of smoke diffusion when feeding and discharging is avoided while quantitative feeding is realized, the loss of heat in the furnace body 2 is also reduced, the working efficiency and the energy utilization rate are improved, and the use is more environment-friendly and healthy.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A smoke and dust dosing system for smelting furnace, characterized by, includes:

the furnace body (2) is fixedly connected to the support (1), the device barrel (3) is fixedly connected to the furnace body (2), the upper end of the device barrel (3) is fixedly connected with the feeding hopper (4), and the device barrel (3) is used for communicating the feeding hopper (4) with the furnace body (2);

further comprising:

the quantitative mechanism (5) comprises a lower baffle (6) and an upper baffle (7) which are arranged in the feeding hopper (4), the upper sides of the lower baffle (6) and the upper baffle (7) are conical surfaces, and the quantitative mechanism (5) is used for measuring required amount of raw materials through the lower baffle (6) and driving the lower baffle (6) and the upper baffle (7) to move downwards into the furnace body (2) for quantitative feeding;

the smoke exhaust mechanism (8) comprises an exhaust pipe (9) fixedly mounted on the support (1), the smoke exhaust mechanism (8) is used for closing the communication between the exhaust pipe (9) and the furnace body (2) through stirring of the lower baffle (6) when feeding is finished, smoke-free feeding is achieved, after the feeding is finished, the communication of the exhaust pipe (9) is opened through the upper baffle (7), smoke between the upper baffle (7) and the lower baffle (6) is sucked away, then smoke exhaust operation is carried out on the interior of the furnace body (2), and the smoke is prevented from being brought to the outside;

the shaking mechanism (10) is installed in the furnace body (2) and used for driving the lower baffle (6) to shake in the downward moving process when the lower baffle (6) moves downwards into the furnace body (2), so that raw materials above the lower baffle (6) fully fall into the furnace body (2) to complete feeding and ensure the quantitative feeding during feeding.

2. The smoke dosing system for a smelting furnace as claimed in claim 1, wherein: the quantitative mechanism (5) further comprises a guide block (12) fixedly installed on the side face of the upper baffle (7) and the side face of the lower baffle (6), a guide groove (13) which can be connected with the guide block (12) in a sliding mode in the vertical direction is formed in the feeding hopper (4), the device barrel (3) and the furnace body (2), a weighing part (14) used for weighing the weight of raw materials on the lower baffle (6) is arranged on the lower baffle (6), and a lifting part (15) used for driving the upper baffle (7) and the lower baffle (6) to move up and down is arranged in the feeding hopper (4).

3. The smoke dosing system for a smelting furnace as claimed in claim 2, wherein: the smoke exhaust mechanism (8) further comprises a plurality of groups of lifting blocks (16) installed in the device barrel (3), a plurality of groups of exhaust grooves (17) are uniformly formed in the inner wall of the device barrel (3), openings of the exhaust grooves (17) are communicated with the side faces of the device barrel (3), the lifting blocks (16) are installed in the plurality of groups of exhaust grooves (17) respectively, lifting plates (18) which are connected with the exhaust grooves (17) in a sliding mode along the vertical direction are fixedly connected to the side faces of the lifting blocks (16), the lifting plates (18) are used for controlling the communication states of the exhaust grooves (17) and the device barrel (3), control pieces (19) used for controlling the lifting states of the lifting blocks (16) are arranged on the lifting blocks (16), and exhaust pieces (20) used for exhausting smoke and dust in the exhaust grooves (17) are arranged on the device barrel (3).

4. The smoke dosing system for a smelting furnace as claimed in claim 3, wherein: the control piece (19) including install in exhaust duct (17) opening upper end position's first magnet (22), exhaust duct (17) opening lower extreme position fixedly connected with second magnet (23), elevator (16) are made by magnetic metal material, first spout (24) have been seted up in elevator (16), along horizontal direction sliding connection in first spout (24) fixture block (25), the one end fixedly connected with of fixture block (25) with first spout (24) fixed connection's first spring (26).

5. The smoke dosing system for a smelting furnace as claimed in claim 4 wherein: weigh piece (14) including fixed mounting in installation pipe (27) of overhead gage (7) bottom, fixedly connected with weighing equipment (28) on installation pipe (27), baffle (6) top fixedly connected with down with installation pipe (27) outer wall is along vertical direction sliding connection's slip pipe (29), the upper end fixedly connected with of slip pipe (29) with weighing equipment (28) fixed connection's first extension spring (30).

6. The smoke dosing system for a smelting furnace as claimed in claim 5, wherein: lifting member (15) including fixed mounting in go into mounting bracket (31) in hopper (4), fixedly connected with mount (32) in furnace body (2), fixedly connected with driving motor (33) on mounting bracket (31), the coaxial fixedly connected with of output of driving motor (33) with mount (32) rotate lead screw (34) of connecting, lead screw (34) run through installation pipe (27) overhead gage (7) with lower baffle (6), and with installation pipe (27) threaded connection, lead screw (34) with overhead gage (7) with the equal movable sleeve joint of lower baffle (6).

7. The smoke dosing system for a smelting furnace as claimed in claim 6, wherein: the shaking mechanism (10) comprises a rotating block (35) fixedly mounted at the bottom end of the screw rod (34), a plurality of groups of first convex blocks (36) are fixedly connected to the upper end of the rotating block (35), and a plurality of groups of second convex blocks (37) are fixedly connected to the bottom of the lower baffle (6).

8. The smoke dosing system for a smelting furnace as claimed in claim 3, wherein: the exhaust part (20) comprises a ring pipe (38) connected with the exhaust pipe (9) in a communicated manner, a plurality of groups of connecting pipes (39) are connected on the ring pipe (38) in a communicated manner, one end of each connecting pipe (39) is fixedly connected with the device barrel (3), the connecting pipes (39) are respectively communicated with the plurality of groups of exhaust grooves (17), and the exhaust pipe (9) is fixedly connected with an air exhaust fan (40).

9. The smoke dosing system for a smelting furnace as claimed in claim 1, wherein: the bottom end of the furnace body (2) is communicated and connected with a discharge pipe (41).

10. The smoke dust dosing system for the smelting furnace as claimed in claim 3, wherein: the lifting plate (18) is made of light plastic materials.