CN215295779U

CN215295779U - High-capacity cupola for alloy smelting

Info

Publication number: CN215295779U
Application number: CN202120207135.0U
Authority: CN
Inventors: 杨正银; 贺献峰; 洪爱松; 朱云飞
Original assignee: Jiangsu Xihua Foundry Co Ltd
Current assignee: Jiangsu Xihua Foundry Co Ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-12-24
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses a large capacity cupola for alloy is smelted, including the furnace hearth, the inside of furnace hearth is provided with adjustable furnace body, the upper end of adjustable furnace body is provided with the charge door, the upper end of charge door is provided with the chimney, the upper end surface of chimney is provided with dustproof safety cover, one side of adjustable furnace body is provided with the hot-blast main, the lower extreme surface of hot-blast main is provided with convenient dismantlement dust collecting mechanism, one side that convenient dismantlement dust collecting mechanism is provided with the gap bridge, one side surface of gap bridge is provided with the fore-furnace, one side surface of fore-furnace is provided with the discharge gate, the convenient lower extreme of dismantling dust collecting mechanism is provided with unable adjustment base. A large capacity cupola for alloy is smelted, people of being convenient for go the inside capacity of adjustment, the size to prevent adhering to of dust, great going improves life, bring better use prospect.

Description

High-capacity cupola for alloy smelting

Technical Field

The utility model relates to a cupola technical field specifically is a large capacity cupola for alloy is smelted.

Background

The cupola furnace has simple structure, low cost and large continuous iron output, and is widely applied to cast iron production, after the cupola furnace is built, the furnace lining is needed before the cupola furnace is used, namely, refractory bricks are built in a furnace cylinder according to the design requirement, the refractory clay which is mixed well is used in a refractory brick layer to form a required furnace shape, the form and the size of the furnace shape are determined according to the actual requirements of various factories, the furnace body of the common cupola furnace is integrated and immovable, therefore, when the processing amount is large, the cupola furnace needs to be processed for many times, time and labor are wasted, because the tail gas of the cupola furnace contains a large amount of dust, the dust can be attached to the pipe wall of the heat exchanger in a large amount to cause the failure of heat exchange efficiency after the short time of use, meanwhile, the service life of the heat exchanger can be greatly reduced, in addition, the heat exchanger is difficult to remove the dust, the disassembly is troublesome, the production is influenced, and certain adverse effect is brought to the use process of people, to this end, we propose a large capacity cupola for alloy smelting.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

To prior art not enough, the utility model provides a large capacity cupola for alloy is smelted, the people of being convenient for go to adjust inside capacity, size to prevent adhering to of dust, great going improves life, can effectively solve the problem in the background art.

Technical scheme

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a large capacity cupola for alloy is smelted, includes the furnace hearth, the inside of furnace hearth is provided with adjustable furnace body, the upper end of adjustable furnace body is provided with the charge door, the upper end of charge door is provided with the chimney, the upper end surface of chimney is provided with dustproof safety cover, one side of adjustable furnace body is provided with the hot-blast main, the lower extreme surface of hot-blast main is provided with convenient dismantlement dust collecting mechanism, one side that convenient dismantlement dust collecting mechanism is provided with the gap bridge, one side surface of gap bridge is provided with the forehearth, one side surface of forehearth is provided with the discharge gate, the lower extreme of convenient dismantlement dust collecting mechanism is provided with unable adjustment base.

Preferably, the dustproof protection cover includes dust cover, a connecting block, steel billet and the dead piece of card, the dust cover is located the upper end surface of a connecting block, a connecting block is located the upper end surface of steel billet, the dead piece of card is located the lower extreme surface of steel billet.

Preferably, the lower extreme surface of dust cover and the upper end external surface fixed connection of connecting block No. one, the lower extreme surface of connecting block and the upper end external surface fixed connection of steel block, the lower extreme surface of steel block and the upper end external surface fixed connection of the block that blocks, the quantity of connecting block is three groups.

Preferably, the adjustable furnace body includes No. two connecting blocks, a connection slider body, hot-blast courage, activity wall, handle, spout, No. two connection slider bodies and No. three connecting blocks, No. two the connecting block is located the upper end surface of a connection slider body, a connection slider body is located the upper end of hot-blast courage, hot-blast courage is located the inside of activity wall, the activity wall is located the upper end surface of No. two connection slider bodies, the handle is located one side surface of activity wall, the spout is located the inside of No. two connection slider bodies, No. three the connecting block is located the lower extreme surface of activity wall.

Preferably, the outer surface of the lower end of the second connecting block is fixedly connected with the outer surface of the upper end of the first connecting slide block body, the outer surface of the lower end of the first connecting slide block body is movably connected with the outer surface of the upper end of the movable wall, the outer wall of the hot air liner is fixedly connected with the inner wall of the movable wall, the outer surface of the lower end of the movable wall is fixedly connected with the outer surface of the upper end of the third connecting block, the outer surface of the lower end of the movable wall is movably connected with the outer surface of the upper end of the second connecting slide block body through the third connecting block, the outer surface of one side of the handle is fixedly connected with the outer surface of the other side of the movable wall, the sliding groove is arranged on the outer surface of the upper end of the second connecting slide block body, the number of the hot air bladders is two, the number of the movable walls is two, the number of the handles is two, the number of the sliding grooves is two, and the number of the third connecting blocks is two.

Preferably, convenient dismantlement dust collection mechanism includes convulsions circuit block, ventilative dust guard, shell, fixed screw, rotation lid, collection dirt mouth, dust collecting pipe and fixed block, the convulsions circuit block is located the inside of shell, ventilative dust guard is located one side surface of convulsions circuit block, the fixed screw is located one side surface of fixed block, it is located the opposite side surface of shell to rotate the lid, the collection dirt mouth is located dust collecting pipe's one end surface, dust collecting pipe is located one side surface of shell, the fixed block is located the lower extreme surface of shell.

Preferably, the outer wall of the air-draft circuit block is fixedly connected with the inner wall of the shell, the outer surface of one side of the air-draft circuit block is fixedly connected with the outer surface of the other side of the air-permeable dustproof plate, the outer wall of the air-permeable dustproof plate is fixedly connected with the inner wall of the shell, and the outer surface of one side of the shell is movably connected with the outer surface of the other side of the rotating cover.

Preferably, the one end surface of set screw and the opposite side fixed surface of fixed block are connected, the upper end surface of fixed block and the lower extreme fixed surface of shell are connected, the one end surface of collection dirt mouth and the other end fixed surface of collection dirt pipeline are connected, the one end surface of collection dirt pipeline and the opposite side fixed surface of shell are connected, the quantity of collection dirt mouth is two sets of, the quantity of collection dirt pipeline is two sets of.

Preferably, the lower extreme surface of chimney and the upper end fixed surface of furnace hearth are connected, the charge door is seted up on the outer wall of chimney, the one end surface of hot-blast main and the opposite side fixed surface of furnace hearth are connected, unable adjustment base's upper end surface and the lower extreme fixed surface of furnace hearth are connected, the lower extreme surface of dustproof safety cover and the upper end fixed surface of chimney are connected, the outer wall of adjustable furnace body and the inner wall fixed connection of furnace hearth, the one end surface of passing the bridge and the opposite side fixed surface of furnace hearth are connected, the one side surface of forehearth and the other end fixed surface of passing the bridge are connected, the one end surface of discharge gate and the opposite side fixed surface of forehearth are connected.

Advantageous effects

Compared with the prior art, the utility model provides a large capacity cupola for alloy is smelted possesses following beneficial effect:

1. this a large capacity cupola for alloy is smelted, dustproof safety cover through setting up, through the dust cover that sets up, can effectually prevent being stained with of dust and adhere to and fall into in the furnace body, go fixed connection through a connecting block and steel block, the steel block is the general name to the iron-carbon alloy that carbon content mass percent is between 0.02% to 2.11%, chemical composition can have very big change, the steel that only contains carbon element is called carbon steel (carbon steel) or ordinary steel, can remove the intensity of reinforced material, and accomplish fixed connection with the chimney through setting up the card piece, high durability and convenient use.

2. This a large capacity cupola for alloy is smelted, adjustable furnace body through setting up, when people need adjust inside capacity, people stimulate the handle, hard dragging, because the lower extreme of activity wall is provided with spout and No. three connecting blocks, No. three connecting blocks can slide under the effect of external force in the spout, through people to dragging of handle, let activity wall slide between the connecting block body and No. two connecting block bodies of a connection, adjust inside storage capacity with this, hot-blast courage, cupola courage is the indispensable component part of casting cupola. The furnace pipe is divided into an upper section and a lower section, the radial and axial expansion and contraction are realized, the upper furnace pipe adopts a double-layer rib structure and a countercurrent air supply mode, the flange, the rib and the inner wall of a vulnerable part of the lower furnace pipe are processed by integrally cast heat-resistant steel, the service life can reach more than 3000 hours, the hot air pipe is an essential component of the cast cupola furnace, the furnace pipe is divided into the upper section and the lower section and expands and contracts in the radial and axial directions, the upper furnace pipe adopts the double-layer rib structure and the countercurrent air supply mode, the flange, the rib and the inner wall of the vulnerable part of the lower furnace pipe are processed by integrally cast heat-resistant steel, the service life can reach more than 3000 hours, the radiating rib for heating air is welded on the outer circle of the furnace pipe inner pipe, the air entering the cupola furnace is heated by utilizing the heat of the cast cupola furnace, the hot air temperature is about 180 ℃ and 250 ℃, the thermal efficiency of production equipment is favorably improved, the production cost is reduced, and the economic benefit of enterprises is improved, the internal capacity can be conveniently adjusted.

3. This a large capacity cupola for alloy is smelted, convenient dismantlement collection dirt mechanism through setting up, transmission through the transmission line, let convulsions circuit block carry out work, go to carry out convulsions to the dust, ventilative dust guard through setting up, can let the air pass through, but hinder the entering of dust, can let the effectual collection shell that can collect of dust, the dust passes through the dust collecting opening and gets into, the dust collecting pipe who has passed through fixed connection, fall into in the shell, come to carry out fixed connection to the shell through the fixed block that sets up, fix through the firm the going on of fixed screw, when people need carry out the clearance of dust, can rotate the lid, let the hole groove that rotates the lid and cover spill, let people can remove the inside dust of clearance, effectually prevent adhering to of dust, let the machine can work by the efficient.

Drawings

FIG. 1 is a schematic view of the overall structure of a large-capacity cupola for alloy smelting according to the present invention.

FIG. 2 is a side view of the dustproof protective cover of the large-capacity cupola for alloy smelting of the present invention.

FIG. 3 is a side view of the adjustable furnace body of the large capacity cupola furnace for alloy smelting of the present invention.

Fig. 4 is a top view of an adjustable furnace body of a large-capacity cupola for alloy smelting according to the present invention.

Fig. 5 is a side view of the dust collecting mechanism for the large-capacity cupola for alloy smelting of the utility model.

Fig. 6 is a front view of the dust collecting mechanism for the large-capacity cupola for smelting alloy.

In the figure: 1. a chimney; 2. a feed inlet; 3. a hot air pipe; 4. a fixed base; 5. a dust-proof protective cover; 6. the furnace body can be adjusted; 7. a hearth; 8. bridging; 9. a forehearth; 10. a discharge port; 11. the dust collecting mechanism is convenient to disassemble; 501. a dust cover; 502. a first connecting block; 503. a steel block; 504. blocking a dead block; 601. a second connecting block; 602. the first connecting sliding block body; 603. a hot air bladder; 604. a movable wall; 605. a handle; 606. a chute; 607. the second connecting slide block body; 608. a third connecting block; 1101. an air draft circuit block; 1102. A breathable dust guard; 1103. a housing; 1104. fixing screws; 1105. rotating the cover; 1106. a dust collection port; 1107. a dust collecting duct; 1108. and (5) fixing blocks.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-6, a large capacity cupola for alloy smelting comprises a hearth 7, an adjustable furnace body 6 is arranged inside the hearth 7, a charging hole 2 is arranged at the upper end of the adjustable furnace body 6, a chimney 1 is arranged at the upper end of the charging hole 2, a dustproof protection cover 5 is arranged on the outer surface of the upper end of the chimney 1, a hot air pipe 3 is arranged on one side of the adjustable furnace body 6, a dust collecting mechanism 11 is conveniently dismounted on the outer surface of the lower end of the hot air pipe 3, a bridge 8 is arranged on one side of the dust collecting mechanism 11, a forehearth 9 is arranged on the outer surface of one side of the bridge 8, a discharge hole 10 is arranged on the outer surface of one side of the forehearth 9, a fixed base 4 is arranged at the lower end of the dust collecting mechanism 11, and the hot air pipe 3 can conveniently blow air.

Further, dustproof protection cover 5 includes dust cover 501, a connecting block 502, steel block 503 and the dead piece 504 of card, and dust cover 501 is located the upper end surface of a connecting block 502, and a connecting block 502 is located the upper end surface of steel block 503, blocks the dead piece 504 of card and is located the lower extreme surface of steel block 503, and dust cover 501 can effectively prevent falling into of dust.

Further, the outer surface of the lower end of the dust cover 501 is fixedly connected with the outer surface of the upper end of a first connecting block 502, the outer surface of the lower end of the first connecting block 502 is fixedly connected with the outer surface of the upper end of a steel block 503, the outer surface of the lower end of the steel block 503 is fixedly connected with the outer surface of the upper end of a blocking block 504, the number of the first connecting blocks 502 is three, and the service life is prolonged.

Furthermore, the adjustable furnace body 6 comprises a second connecting block 601, a first connecting block body 602, a hot air container 603, a movable wall 604, a handle 605, a sliding groove 606, a second connecting block body 607 and a third connecting block 608, the second connecting block 601 is located on the outer surface of the upper end of the first connecting block body 602, the first connecting block body 602 is located on the upper end of the hot air container 603, the hot air container 603 is located inside the movable wall 604, the movable wall 604 is located on the outer surface of the upper end of the second connecting block body 607, the handle 605 is located on the outer surface of one side of the movable wall 604, the sliding groove 606 is located inside the second connecting block body 607, and the third connecting block 608 is located on the outer surface of the lower end of the movable wall 604, so that the structure is simple.

Further, the outer surface of the lower end of the second connecting block 601 is fixedly connected with the outer surface of the upper end of the first connecting slide block 602, the outer surface of the lower end of the first connecting slide block 602 is movably connected with the outer surface of the upper end of the movable wall 604, the outer wall of the hot air liner 603 is fixedly connected with the inner wall of the movable wall 604, the outer surface of the lower end of the movable wall 604 is fixedly connected with the outer surface of the upper end of the third connecting block 608, the outer surface of the lower end of the movable wall 604 is movably connected with the outer surface of the upper end of the second connecting slide block 607 through the third connecting block 608, the outer surface of one side of the handle 605 is fixedly connected with the outer surface of the other side of the movable wall 604, the sliding grooves 606 are arranged on the outer surface of the upper end of the second connecting slide block 607, the number of the hot air liners 603 is two, the number of the movable walls 604 is two, the number of the handles 605 is two, the number of the sliding grooves 606 is two, the number of the three connecting blocks 608 is two, and people can conveniently adjust the internal capacity.

Further, convenient dust collection mechanism 11 that dismantles includes convulsions circuit block 1101, ventilative dust guard 1102, the shell 1103, fixed screw 1104, rotation lid 1105, dust collection mouth 1106, dust collection pipeline 1107 and fixed block 1108, convulsions circuit block 1101 is located the inside of shell 1103, ventilative dust guard 1102 is located the one side surface of convulsions circuit block 1101, fixed screw 1104 is located the one side surface of fixed block 1108, rotation lid 1105 is located the opposite side surface of shell 1103, dust collection mouth 1106 is located the one end surface of dust collection pipeline 1107, dust collection pipeline 1107 is located the one side surface of shell 1103, fixed block 1108 is located the lower extreme surface of shell 1103, rotation lid 1105 can be convenient for people's rotation.

Further, the outer wall of the air draft circuit block 1101 is fixedly connected with the inner wall of the outer shell 1103, the outer surface of one side of the air draft circuit block 1101 is fixedly connected with the outer surface of the other side of the air-permeable dustproof plate 1102, the outer wall of the air-permeable dustproof plate 1102 is fixedly connected with the inner wall of the outer shell 1103, and the outer surface of one side of the outer shell 1103 is movably connected with the outer surface of the other side of the rotating cover 1105, so that people can collect dust conveniently.

Further, the outer surface of one end of the fixing screw 1104 is fixedly connected with the outer surface of the other side of the fixing block 1108, the outer surface of the upper end of the fixing block 1108 is fixedly connected with the outer surface of the lower end of the housing 1103, the outer surface of one end of the dust collecting port 1106 is fixedly connected with the outer surface of the other end of the dust collecting pipeline 1107, the outer surface of one end of the dust collecting pipeline 1107 is fixedly connected with the outer surface of the other side of the housing 1103, the number of the dust collecting ports 1106 is two, and the number of the dust collecting pipelines 1107 is two, thereby providing convenience.

Further, the outer surface of the lower end of the chimney 1 is fixedly connected with the outer surface of the upper end of the hearth 7, the charging hole 2 is arranged on the outer wall of the chimney 1, the outer surface of one end of the hot air pipe 3 is fixedly connected with the outer surface of the other side of the hearth 7, the outer surface of the upper end of the fixed base 4 is fixedly connected with the outer surface of the lower end of the hearth 7, the outer surface of the lower end of the dustproof protection cover 5 is fixedly connected with the outer surface of the upper end of the chimney 1, the outer wall of the adjustable furnace body 6 is fixedly connected with the inner wall of the hearth 7, the outer surface of one end of the gap bridge 8 is fixedly connected with the outer surface of the other side of the hearth 7, the outer surface of one side of the forehearth 9 is fixedly connected with the outer surface of the other end of the gap bridge 8, the outer surface of one end of the discharge hole 10 is fixedly connected with the outer surface of the other side of the forehearth 9, and better use prospect is brought for people.

Principle of operation

The high-capacity cupola furnace for smelting the alloy can effectively prevent dust from being attached to fall into a furnace body through the arranged dustproof protective cover 5 and the arranged dustproof cover 501, is fixedly connected with the steel block 503 through the first connecting block 502, the steel block 503 is a general name of iron-carbon alloy with the carbon content of 0.02 to 2.11 percent by mass, the chemical components can be changed greatly, the steel only containing carbon elements is called carbon steel (carbon steel) or common steel, the strength of a reinforcing material can be enhanced, and the steel block 503 is fixedly connected with a chimney 1 through the arranged clamping block 504, the use is convenient, through the arranged adjustable furnace body 6, when people need to adjust the internal capacity, people pull a handle 605 and pull the steel forcibly, because the lower end of the movable wall 604 is provided with the sliding groove 606 and the third connecting block 608, the third connecting block 608 can slide downwards in the sliding groove 606 under the action of external force, the inner storage capacity is adjusted by pulling the handle 605 to enable the movable wall 604 to slide between the first connecting slide block body 602 and the second connecting slide block body 607, the hot air liner 603 is an indispensable component of the casting cupola, the furnace liner is divided into an upper section and a lower section, the upper furnace liner adopts a double-layer rib structure and a countercurrent air supply mode, the lower furnace liner is formed by processing a flange, a rib and an inner wall of a vulnerable part by integrally cast heat-resistant steel, the service life can reach more than 3000 hours, the hot air liner 603 is an indispensable component of the casting cupola, the furnace liner is divided into an upper section and a lower section, the radial section and the axial expansion and contraction are realized, the upper furnace liner adopts a double-layer rib structure and a countercurrent air supply mode, the flange, the rib and the inner wall of the vulnerable part of the lower furnace liner are processed by integrally cast heat-resistant steel, the service life can reach more than 3000 hours, radiating ribs for heating air are welded on the outer circle of the furnace liner, the air entering the cupola is heated by utilizing the heat of the cast cupola, the hot air temperature is about 180 ℃ and about 250 ℃, the heat efficiency of production equipment is favorably improved, the production cost is reduced, the economic benefit of enterprises is improved, the internal capacity is convenient to adjust, the dust collecting mechanism 11 is conveniently disassembled through arrangement, the air extracting circuit block 1101 is enabled to work through the transmission of a transmission line to extract air for dust, the air can pass through the air-permeable dust-proof plate 1102 arranged, but the dust is prevented from entering, the dust can be effectively collected in the shell 1103, the dust enters through the dust collecting port 1106, falls into the shell 1103 through the dust collecting pipeline 1107 fixedly connected, the shell 1103 is fixedly connected through the fixed block 1108 arranged, the fixing is firmly carried out through the fixed screw 1104, when people need to clean the dust, the rotating cover 1105 can be rotated, let the hole groove that rotates lid 1105 to cover spill, let people can go the inside dust of clearance, the effectual adhesion that prevents the dust, let the machine can the efficient carry out work.

It is noted that, herein, relational terms such as first and second (a, b, etc.) 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A large capacity cupola for alloy smelting, includes hearth (7), its characterized in that: the inside of furnace pot (7) is provided with adjustable furnace body (6), the upper end of adjustable furnace body (6) is provided with charge door (2), the upper end of charge door (2) is provided with chimney (1), the upper end surface of chimney (1) is provided with dustproof safety cover (5), one side of adjustable furnace body (6) is provided with hot-blast main (3), the lower extreme surface of hot-blast main (3) is provided with convenient dismantlement dust collecting mechanism (11), one side of convenient dismantlement dust collecting mechanism (11) is provided with bridge (8), one side surface of bridge (8) is provided with forehearth (9), one side surface of forehearth (9) is provided with discharge gate (10), the lower extreme of convenient dismantlement dust collecting mechanism (11) is provided with unable adjustment base (4).

2. A large capacity cupola furnace for alloy smelting according to claim 1, in which: dustproof protection cover (5) include dust cover (501), connecting block (502), steel billet (503) and block dead block (504), dust cover (501) are located the upper end surface of connecting block (502), connecting block (502) are located the upper end surface of steel billet (503), block dead block (504) are located the lower extreme surface of steel billet (503).

3. A large capacity cupola furnace for alloy smelting according to claim 2, in which: the outer surface of the lower end of the dust cover (501) is fixedly connected with the outer surface of the upper end of a first connecting block (502), the outer surface of the lower end of the first connecting block (502) is fixedly connected with the outer surface of the upper end of a steel block (503), the outer surface of the lower end of the steel block (503) is fixedly connected with the outer surface of the upper end of a clamping block (504), and the number of the first connecting blocks (502) is three.

4. A large capacity cupola furnace for alloy smelting according to claim 1, in which: the adjustable furnace body (6) comprises a second connecting block (601), a first connecting slide block body (602), a hot air container (603), a movable wall (604), a handle (605), a sliding groove (606), a second connecting slide block body (607) and a third connecting block (608), wherein the second connecting block (601) is located on the outer surface of the upper end of the first connecting slide block body (602), the first connecting slide block body (602) is located on the upper end of the hot air container (603), the hot air container (603) is located inside the movable wall (604), the movable wall (604) is located on the outer surface of the upper end of the second connecting slide block body (607), the handle (605) is located on the outer surface of one side of the movable wall (604), the sliding groove (606) is located inside the second connecting slide block body (607), and the third connecting block (608) is located on the outer surface of the lower end of the movable wall (604).

5. A large capacity cupola furnace for alloy smelting according to claim 4, in which: the outer surface of the lower end of the second connecting block (601) is fixedly connected with the outer surface of the upper end of the first connecting slide block body (602), the outer surface of the lower end of the first connecting slide block body (602) is movably connected with the outer surface of the upper end of the movable wall (604), the outer wall of the hot air liner (603) is fixedly connected with the inner wall of the movable wall (604), the outer surface of the lower end of the movable wall (604) is fixedly connected with the outer surface of the upper end of the third connecting block (608), the outer surface of the lower end of the movable wall (604) is movably connected with the outer surface of the upper end of the second connecting slide block body (607) through the third connecting block (608), the outer surface of one side of the handle (605) is fixedly connected with the outer surface of the other side of the movable wall (604), the sliding groove (606) is formed in the outer surface of the upper end of the second connecting slide block body (607), the number of the hot air liners (603) is two, and the number of the movable walls (604) is two, the number of the handles (605) is two, the number of the chutes (606) is two, and the number of the third connecting blocks (608) is two.

6. A large capacity cupola furnace for alloy smelting according to claim 1, in which: convenient dismantlement dust collection mechanism (11) includes convulsions circuit block (1101), ventilative dust guard (1102), shell (1103), fixed screw (1104), rotates lid (1105), collection dirt mouth (1106), collection dirt pipeline (1107) and fixed block (1108), convulsions circuit block (1101) are located the inside of shell (1103), ventilative dust guard (1102) are located one side surface of convulsions circuit block (1101), fixed screw (1104) are located one side surface of fixed block (1108), it is located the opposite side surface of shell (1103) to rotate lid (1105), collection dirt mouth (1106) are located the one end surface of collection dirt pipeline (1107), collection dirt pipeline (1107) are located one side surface of shell (1103), fixed block (1108) are located the lower extreme surface of shell (1103).

7. A large capacity cupola furnace for alloy smelting according to claim 6, in which: the outer wall of convulsions circuit block (1101) and the inner wall fixed connection of shell (1103), the opposite side surface fixed connection of one side surface and ventilative dust guard (1102) of convulsions circuit block (1101), the outer wall of ventilative dust guard (1102) and the inner wall fixed connection of shell (1103), the opposite side surface swing joint of one side surface and the rotation lid (1105) of shell (1103).

8. A large capacity cupola furnace for alloy smelting according to claim 6, in which: the one end surface of fixed screw (1104) and the opposite side external surface fixed connection of fixed block (1108), the upper end surface of fixed block (1108) and the lower extreme external surface fixed connection of shell (1103), the one end surface of collection dirt mouth (1106) and the other end external surface fixed connection of collection dirt pipeline (1107), the one end surface of collection dirt pipeline (1107) and the opposite side external surface fixed connection of shell (1103), the quantity of collection dirt mouth (1106) is two sets of, the quantity of collection dirt pipeline (1107) is two sets of.

9. A large capacity cupola furnace for alloy smelting according to claim 1, in which: the outer surface of the lower end of the chimney (1) is fixedly connected with the outer surface of the upper end of the furnace hearth (7), the feed inlet (2) is arranged on the outer wall of the chimney (1), the outer surface of one end of the hot air pipe (3) is fixedly connected with the outer surface of the other side of the furnace hearth (7), the outer surface of the upper end of the fixed base (4) is fixedly connected with the outer surface of the lower end of the furnace hearth (7), the outer surface of the lower end of the dustproof protective cover (5) is fixedly connected with the outer surface of the upper end of the chimney (1), the outer wall of the adjustable furnace body (6) is fixedly connected with the inner wall of the furnace hearth (7), the outer surface of one end of the gap bridge (8) is fixedly connected with the outer surface of the other side of the furnace hearth (7), the outer surface of one side of the forehearth (9) is fixedly connected with the outer surface of the other end of the gap bridge (8), the outer surface of one end of the discharge hole (10) is fixedly connected with the outer surface of the other side of the forehearth (9).