CN216205228U

CN216205228U - Casting furnace

Info

Publication number: CN216205228U
Application number: CN202122464172.2U
Authority: CN
Inventors: 邹家权
Original assignee: Hubei Gucheng Donghua Technology Co ltd
Current assignee: Hubei Gucheng Donghua Technology Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-04-05
Anticipated expiration: 2031-10-13

Abstract

The utility model discloses a casting furnace, relates to the technical field of casting furnaces, and aims to solve the problem that the existing casting furnace is low in heat efficiency and heat energy utilization rate. The foundry furnace includes furnace chamber and heating base, the heating base includes external heating cover and internal heating cover, the external heating cover is located the outside of furnace chamber, the internal heating cover is located the inboard of furnace chamber, branch trachea is all installed to the both sides of foundry furnace upper end, branch trachea's one end is installed the main exhaust pipe, the filter cartridge is installed to the one end of main exhaust pipe, the lower extreme of foundry furnace is provided with high-temperature air intercommunication room, install the heating pipe between high-temperature air intercommunication room and the combustion chamber, install the return pipe between combustion chamber and the filter cartridge, the check valve is installed to the upper end of return pipe, branch lift pipe chamber is all installed to the both sides of foundry furnace upper end, and divides the inside of the lower extreme embedding of lift pipe, main lift pipe is installed to the one end of branch lift pipe.

Description

Casting furnace

Technical Field

The utility model relates to the technical field of casting furnaces, in particular to a casting furnace.

Background

The casting is a technological process of smelting metal into liquid meeting certain requirements, pouring the liquid into a casting mold, cooling, solidifying and clearing to obtain a casting with a preset shape, size and performance, the casting furnace is basic heating equipment for heating forging materials in a forging workshop, and the casting furnace is various in types and simple in structure.

However, the existing casting furnace has low thermal efficiency and heat energy utilization rate, so that the existing requirement is not met, and a casting furnace is provided for the purpose.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a casting furnace, which solves the problem that the prior casting furnace has low thermal efficiency and heat energy utilization rate in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a casting furnace, includes casting furnace and combustion chamber, casting furnace includes furnace chamber and heating base, the heating base includes external heating cover and internal heating cover, the external heating cover is located the outside of furnace chamber, the internal heating cover is located the inboard of furnace chamber, branch blast pipe is all installed to the both sides of casting furnace upper end, branch blast pipe's one end is installed main exhaust pipe, filter cartridge is installed to main exhaust pipe's one end, casting furnace's lower extreme is provided with high-temperature air intercommunication room, install the heating pipe between high-temperature air intercommunication room and the combustion chamber, install the backheat pipe between combustion chamber and the filter cartridge, the check valve is installed to the upper end of backheat pipe.

Preferably, branch stalk is all installed to the both sides of foundry furnace upper end, and divides the inside of the lower extreme embedding furnace chamber of stalk, divide the one end of stalk to install main stalk, and divide stalk and main stalk welded connection, the negative pressure pump is installed to the upper end of foundry furnace, and the foundry furnace passes through bolted connection with the negative pressure pump, be equipped with the negative pressure pipe with the inside intercommunication of furnace chamber on the negative pressure pump.

Preferably, the lower end of the high-temperature air communicating chamber is provided with a slag collecting hopper, the lower end of the slag collecting hopper is provided with a slag collecting barrel, the slag collecting barrel is connected with the slag collecting hopper in a welding manner, and the slag collecting hopper is connected with the high-temperature air communicating chamber in a welding manner.

Preferably, an electronic jar is installed in the outside of a sediment section of thick bamboo that gathers, and an electronic jar passes through the screw connection with a sediment section of thick bamboo that gathers, the scum board is installed to the one end of electronic jar, and electronic jar and scum board fixed connection, and the scum board is located the inside of a sediment section of thick bamboo that gathers, and the scum board with a sediment section of thick bamboo sliding connection that gathers.

Preferably, the other end of the slag collecting cylinder is provided with a sealing cover plate.

Preferably, the slag collecting cylinder is connected with the sealing cover plate through a hinge.

Compared with the prior art, the utility model has the beneficial effects that:

1. the heating base comprises an outer heating sleeve and an inner heating sleeve, wherein the outer heating sleeve heats the furnace chamber from the outer side, and the inner heating sleeve heats the furnace chamber from the inner side, so that the furnace chamber is heated uniformly, the heat efficiency of the casting furnace is improved, and the melting speed of furnace burden is accelerated;

2. high-temperature gas generated in the smelting process is collected to the main exhaust pipe through the branch exhaust pipe, enters the regenerative pipe after being dedusted and filtered by the filter box, and finally enters the combustion chamber through the regenerative pipe, so that waste heat recovery is realized, the influence of the high-temperature gas on the surrounding environment is avoided, the heat energy utilization rate is improved, and the operation cost of the casting furnace is saved;

3. according to the utility model, the slag generated in the smelting process is collected by the slag collecting hopper and the slag collecting cylinder, the electric cylinder works to drive the slag scraping plate to move, the slag in the slag collecting cylinder can be pushed to the discharge port, the sealing cover plate is opened, the slag can be discharged, and the casting furnace is convenient to clean.

Drawings

FIG. 1 is a front view of a casting furnace of the present invention;

FIG. 2 is a schematic view of the structure of the furnace chamber and the heating base of the present invention;

FIG. 3 is a schematic structural view of the slag collecting barrel of the present invention.

In the figure: 1. a casting furnace; 2. a furnace chamber; 3. heating the susceptor; 4. an external heating jacket; 5. an internal heating jacket; 6. a high temperature air communicating chamber; 7. heating a tube; 8. a negative pressure pump; 9. a negative pressure tube; 10. separating the liquid lifting pipes; 11. a main riser pipe; 12. dividing an exhaust pipe; 13. a main exhaust pipe; 14. a filter cartridge; 15. a heat recovery pipe; 16. a combustion chamber; 17. a slag collection hopper; 18. a slag collecting cylinder; 19. an electric cylinder; 20. a slag scraping plate; 21. sealing the cover plate; 22. a one-way valve.

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.

Referring to fig. 1-3, an embodiment of the present invention is shown: a casting furnace comprises a casting furnace 1 and a combustion chamber 16, the casting furnace 1 comprises a furnace chamber 2 and a heating base 3, the heating base 3 comprises an outer heating sleeve 4 and an inner heating sleeve 5, the outer heating sleeve 4 is positioned at the outer side of the furnace chamber 2, the inner heating sleeve 5 is positioned at the inner side of the furnace chamber 2, the combustion chamber 16 generates high-temperature gas, the high-temperature gas enters the high-temperature air communicating chamber 6 through a heating pipe 7 and then enters the heating base 3 through the high-temperature air communicating chamber 6, the outer heating sleeve 4 of the heating base 3 heats the furnace chamber 2 from the outer side, the inner heating sleeve 5 of the heating base 3 heats the furnace chamber 2 from the inner side, so that the furnace chamber 2 is heated uniformly, the heat efficiency of the casting furnace 1 is improved, branch exhaust pipes 12 are respectively arranged at two sides of the upper end of the casting furnace 1, a main exhaust pipe 13 is arranged at one end of the branch exhaust pipe 12, a filter box 14 is arranged at one end of the main exhaust pipe 13, the lower end of the casting furnace 1 is provided with the high-temperature air communicating chamber 6, the heating pipe 7 is installed between the high-temperature air communicating chamber 6 and the combustion chamber 16, the heat return pipe 15 is installed between the combustion chamber 16 and the filter box 14, the one-way valve 22 is installed at the upper end of the heat return pipe 15, in the smelting process, high-temperature gas generated inside the furnace chamber 2 is collected to the main exhaust pipe 13 through the branch exhaust pipe 12, and then enters the heat return pipe 15 after being dedusted and filtered by the filter box 14, and finally enters the combustion chamber 16 through the heat return pipe 15, the one-way valve 22 effectively prevents gas backflow, and waste heat recovery is achieved.

Further, branch lift pipes 10 are mounted on two sides of the upper end of the casting furnace 1, the lower ends of the branch lift pipes 10 are embedded into the furnace chamber 2, a main lift pipe 11 is mounted at one end of the branch lift pipe 10, the branch lift pipes 10 are connected with the main lift pipe 11 in a welded mode, a negative pressure pump 8 is mounted at the upper end of the casting furnace 1, the casting furnace 1 is connected with the negative pressure pump 8 through bolts, the negative pressure pump 8 comprises a negative pressure pipe 9, the negative pressure pump 8 works to apply pressure to the furnace chamber 2 through the negative pressure pipe 9, metal liquid in the furnace chamber 2 can enter the branch lift pipes 10, the metal liquid enters the main lift pipe 11 through the branch lift pipe 10, and finally enters the casting mold through the main lift pipe 11 to complete casting, so that feeding capacity of the casting furnace 1 is guaranteed, and casting yield is improved.

Further, a slag collecting hopper 17 is installed at the lower end of the high-temperature air communicating chamber 6, a slag collecting barrel 18 is installed at the lower end of the slag collecting hopper 17, the slag collecting barrel 18 is connected with the slag collecting hopper 17 in a welded mode, the slag collecting hopper 17 is connected with the high-temperature air communicating chamber 6 in a welded mode, and the slag collecting hopper 17 and the slag collecting barrel 18 collect slag generated in the smelting process.

Further, electronic jar 19 is installed in the outside of a sediment section of thick bamboo 18 that gathers, and electronic jar 19 passes through bolted connection with a sediment section of thick bamboo 18 that gathers, and scum board 20 is installed to electronic jar 19's one end, and electronic jar 19 and scum board 20 fixed connection, and scum board 20 is located the inside of a sediment section of thick bamboo 18 that gathers, and scum board 20 and a sediment section of thick bamboo 18 sliding connection that gathers, and electronic jar 19 work drive scum board 20 motion can push away the inside slag charge of a sediment section of thick bamboo 18 to discharge port.

Furthermore, a sealing cover plate 21 is installed at the other end of the slag collecting barrel 18, and slag can be discharged by opening the sealing cover plate 21, so that the casting furnace 1 is convenient to clean.

Further, the slag collecting barrel 18 is connected with the sealing cover plate 21 through a hinge, so that the sealing cover plate 21 is convenient to open and close.

The working principle is as follows: when in use, the combustion chamber 16 generates high-temperature gas, the high-temperature gas enters the high-temperature air communicating chamber 6 through the heating pipe 7 and then enters the heating base 3 through the high-temperature air communicating chamber 6, the outer heating sleeve 4 of the heating base 3 heats the furnace chamber 2 from the outer side, the inner heating sleeve 5 of the heating base 3 heats the furnace chamber 2 from the inner side, so that the furnace chamber 2 is heated uniformly, the heat efficiency of the casting furnace 1 is improved, the melting speed of furnace burden in the furnace chamber 2 is accelerated, during the melting process, the high-temperature gas generated in the furnace chamber 2 is collected to the main exhaust pipe 13 through the branch exhaust pipe 12, then enters the regenerative pipe 15 after being dedusted and filtered by the filter box 14 and finally enters the combustion chamber 16 through the regenerative pipe 15, the one-way valve 22 effectively prevents gas from flowing backwards, realizes waste heat recovery, on one hand, avoids the influence of the high-temperature gas on the surrounding environment, on the other hand, improves the heat energy utilization rate and saves the operation cost of the casting furnace, the metal material in the furnace chamber 2 is melted into a liquid state, the negative pressure pump 8 works to apply pressure to the furnace chamber 2 through the negative pressure pipe 9, the metal liquid in the furnace chamber 2 can enter the inner part of the branch liquid lifting pipe 10 and then enters the inner part of the main liquid lifting pipe 11 through the branch liquid lifting pipe 10, and finally enters the inner part of the casting mold through the main liquid lifting pipe 11 to complete casting, so that the feeding capacity of the casting furnace 1 is ensured, the casting yield is improved, the slag collecting hopper 17 and the slag collecting barrel 18 collect the slag material generated in the smelting process, the electric cylinder 19 works to drive the slag scraping plate 20 to move, the slag material in the slag collecting barrel 18 can be pushed to a discharge port, the sealing cover plate 21 is opened to discharge the slag material, and the casting furnace 1 is convenient to clean.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A casting furnace comprising a casting furnace (1) and a combustion chamber (16), characterized in that: the casting furnace (1) comprises a furnace chamber (2) and a heating base (3), the heating base (3) comprises an outer heating sleeve (4) and an inner heating sleeve (5), the outer heating jacket (4) is positioned at the outer side of the furnace chamber (2), the inner heating jacket (5) is positioned at the inner side of the furnace chamber (2), the two sides of the upper end of the casting furnace (1) are respectively provided with a branch exhaust pipe (12), one end of the branch exhaust pipe (12) is provided with a main exhaust pipe (13), one end of the main exhaust pipe (13) is provided with a filter box (14), the lower end of the casting furnace (1) is provided with a high-temperature air communicating chamber (6), a heating pipe (7) is arranged between the high-temperature air communicating chamber (6) and the combustion chamber (16), a heat return pipe (15) is arranged between the combustion chamber (16) and the filter box (14), and a one-way valve (22) is arranged at the upper end of the heat return pipe (15).

2. A casting furnace according to claim 1, characterized in that: branch stalk (10) are all installed to the both sides of foundry furnace (1) upper end, and divide the inside of the lower extreme embedding furnace chamber (2) of stalk (10), main stalk (11) are installed to the one end of branch stalk (10), and divide stalk (10) and main stalk (11) welded connection, negative pressure pump (8) are installed to the upper end of foundry furnace (1), and foundry furnace (1) and negative pressure pump (8) pass through bolted connection, be equipped with on negative pressure pump (8) with negative pressure pipe (9) of the inside intercommunication of furnace chamber (2).

3. A casting furnace according to claim 1, characterized in that: slag collecting hopper (17) is installed to the lower extreme of high temperature air intercommunication room (6), a slag collecting barrel (18) is installed to the lower extreme of slag collecting hopper (17), and slag collecting barrel (18) and slag collecting hopper (17) welded connection, and slag collecting hopper (17) and high temperature air intercommunication room (6) welded connection.

4. A casting furnace according to claim 3, characterized in that: electronic jar (19) are installed in the outside of collection sediment section of thick bamboo (18), and electronic jar (19) pass through bolted connection with a collection sediment section of thick bamboo (18), scum board (20) are installed to the one end of electronic jar (19), and electronic jar (19) and scum board (20) fixed connection, and scum board (20) are located the inside of a collection sediment section of thick bamboo (18), and scum board (20) and a collection sediment section of thick bamboo (18) sliding connection.

5. A casting furnace according to claim 3, characterized in that: the other end of the slag collecting cylinder (18) is provided with a sealing cover plate (21).

6. A casting furnace according to claim 5, characterized in that: the slag collecting cylinder (18) is connected with the sealing cover plate (21) through a hinge.