CN217868998U

CN217868998U - Waste heat recovery device of cover-type tempering furnace

Info

Publication number: CN217868998U
Application number: CN202222210752.3U
Authority: CN
Inventors: 吴深晓
Original assignee: Suzhou Chisheng Metal Products Co ltd
Current assignee: Suzhou Chisheng Metal Products Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2022-11-22
Anticipated expiration: 2032-08-22

Abstract

The utility model discloses a waste heat recovery device of a cover-type tempering furnace, which relates to the technical field of tempering furnaces, in particular to a waste heat recovery device of a cover-type tempering furnace, which comprises a tempering furnace, wherein the tempering furnace is cylindrical and the interior of the tempering furnace is hollow; a recovery pipeline is connected to the center of the top of the tempering furnace, and one end of the recovery pipeline, which is far away from the tempering furnace, is connected with a recovery interface and is fixed through a bolt; the lower end of the recovery interface is welded at the top of the recovery box and penetrates through the top of the recovery box to be connected with the bent pipeline; the recycling box is cylindrical and is hollow inside; a discharge port is formed in one end, far away from the recovery interface, of the bottom of the recovery box; when the tempering furnace is used, the heating element in the tempering furnace can continuously provide heat, the heating element is positioned at the lower end of the tempering furnace, the generated heat can rise from the lower end to the upper end to form hot air flow, and the working efficiency of the tempering furnace can be increased.

Description

Waste heat recovery device of cover-type tempering furnace

Technical Field

The utility model relates to a tempering furnace technical field, in particular to bell-type tempering furnace waste heat recovery device's technique.

Background

The tempering furnace is used for tempering common metal parts in air and quenching, annealing and aging heat treatment of light alloy parts such as aluminum alloy die castings, pistons, aluminum plates and the like. The shell is formed by welding a steel plate and a section steel, the trolley is welded by the section steel and the steel plate, the trolley reduces heat radiation and convection loss through soft contact with a furnace lining and a sand sealing mechanism, and the sealing performance of the furnace body is effectively guaranteed.

When the tempering furnace is in operation, the heating elements in the tempering furnace can continuously generate heat, and after the tempering furnace is finished, hot gas in the tempering furnace is generally directly discharged into the atmosphere or naturally cooled in the tempering furnace, so that a large amount of hot gas is wasted, and the cost is increased invisibly.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bell-type tempering furnace waste heat recovery device can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

a cover type tempering furnace waste heat recovery device comprises a tempering furnace, wherein the tempering furnace is cylindrical and is hollow inside; a recovery pipeline is connected to the center of the top of the tempering furnace, and one end of the recovery pipeline, which is far away from the tempering furnace, is connected with a recovery interface and is fixed through a bolt; the lower end of the recovery interface is welded at the top of the recovery box and penetrates through the top of the recovery box to be connected with the bent pipeline; the recovery box is cylindrical, and the interior of the recovery box is hollow; one end of the bottom of the recovery box, which is far away from the recovery interface, is provided with a discharge port; the bent pipeline is positioned in the recovery box, is S-shaped, and is welded with a conveying port at one end far away from the recovery port; the conveying port penetrates through the recovery box and extends to the outer side of the recovery box; the one end that the delivery port was kept away from to the collection box is equipped with the connector, the collection box passes through the connector and is connected with the tempering furnace.

Preferably, one end of the recovery pipeline, which is far away from the tempering furnace, is provided with a valve, and the valve is positioned above the recovery interface.

Preferably, the upper end of one side of the tempering furnace, which is far away from the recycling box, is provided with a furnace door, and the furnace door is rectangular.

Preferably, the lower end in the tempering furnace is provided with a heating element, and the heating element is positioned below the connecting port.

Preferably, tempering furnace supporting legs are welded at the bottom of the tempering furnace, and the number of the tempering furnace supporting legs is three, and the tempering furnace supporting legs are uniformly distributed at the bottom of the tempering furnace.

Preferably, the welding of collection box bottom has the collection box supporting leg, the collection box supporting leg is total four, and in collection box bottom evenly distributed.

Compared with the prior art, the utility model discloses following beneficial effect has: when the tempering furnace is used, the heating element in the tempering furnace can continuously provide heat, the heating element is positioned at the lower end of the tempering furnace, the generated heat can rise from the lower end to the upper end to form hot air flow, and the working efficiency of the tempering furnace can be increased; compared with the prior art, the top of the tempering furnace is provided with the recovery pipeline, and one end of the recovery pipeline is provided with the valve, the recovery pipeline of the tempering furnace runs through the top of the tempering furnace, so that the heat in the tempering furnace can be discharged along the recovery pipeline, the valve can control the discharge of hot gas in the recovery pipeline, and the hot gas cannot be discharged when the valve is closed; the recovery pipeline recovery interface is connected with the recovery box and penetrates through the upper end of the recovery box, the recovery interface is welded with the S-shaped bent pipeline inside the recovery box, and the conveying port is welded on the other side of the bent pipeline, compared with the prior art, the recovery interface of the utility model can enable the hot gas inside the tempering furnace to enter the recovery box; when the valve is closed, hot gas in the tempering furnace cannot enter the recovery box, and at the moment, the hot gas enters air of the tempering furnace through the bent pipeline at normal temperature, so that the temperature of the hot gas in the tempering furnace can be reduced, the operation required by low temperature can be performed, the tempering furnace can be quickly returned to the normal temperature state after the work is completed, and the service life of the tempering furnace is prolonged.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a front view of fig. 1 of the present invention.

Fig. 3 is a left side view of fig. 1 in the present invention.

Fig. 4 is a top view of fig. 1 of the present invention.

Fig. 5 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 4 according to the present invention.

In the figure: 1-tempering furnace; 2-a recycling bin; 3-a recovery pipeline; 4-a valve; 5-a recovery interface; 6-a delivery port; 7-tempering furnace supporting legs; 8-a recycling bin support leg; 9-a discharge port; 10-a connecting port; 11-a fire door; 12-a heating element; 13-bending the pipe.

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. 1-5, the tempering furnace 1 is comprised, and the tempering furnace 1 is cylindrical and has a hollow interior; the top center of the tempering furnace 1 is connected with a recovery pipeline 3, and one end of the recovery pipeline 3, which is far away from the tempering furnace 1, is connected with a recovery interface 5 and is fixed through bolts; the lower end of the recovery interface 5 is welded at the top of the recovery box 2 and penetrates through the top of the recovery box 2 to be connected with the bent pipeline 13; the recovery box 2 is cylindrical and is hollow inside; one end of the bottom of the recovery box 2, which is far away from the recovery interface 5, is provided with a discharge port 9; the bent pipeline 13 is positioned inside the recovery box 2, the bent pipeline 13 is S-shaped, and one end of the bent pipeline 13, which is far away from the recovery interface 5, is welded with a conveying port 6; the conveying port 6 penetrates through the recovery box 2 and extends to the outer side of the recovery box 2; a connecting port 10 is formed in one end, far away from the conveying port 6, of the recovery box 2, and the recovery box 2 is connected with the tempering furnace 1 through the connecting port 10; a valve 4 is arranged at one end of the recovery pipeline 3, which is far away from the tempering furnace 1, and the valve 4 is positioned above the recovery interface 5; the upper end of one side of the tempering furnace 1, which is far away from the recovery box 2, is provided with a furnace door 11, and the furnace door 11 is rectangular; a heating element 12 is arranged at the lower end in the tempering furnace 1, and the heating element 12 is positioned below the connecting port 10; tempering furnace supporting legs 7 are welded at the bottom of the tempering furnace 1, the number of the tempering furnace supporting legs 7 is three, and the tempering furnace supporting legs are uniformly distributed at the bottom of the tempering furnace 1; the welding of 2 bottoms of collection box has collection box supporting legs 8, collection box supporting leg 8 is total four, and in 2 bottoms evenly distributed of collection box.

When the air heating device is used, the valve 4 is opened, hot air in the tempering furnace 1 can enter the recovery tank 2 along the recovery pipeline 3, then normal-temperature air in the bent pipeline 13 is heated in the recovery tank 2, and the heated air enters the tempering furnace 1 through the connecting port 10, so that the heating speed in the tempering furnace 1 is increased.

It should be noted that, when in use, the heating element 12 inside the tempering furnace 1 will continuously provide heat, and the heating element 12 is located at the lower end of the tempering furnace 1, and the generated heat will rise from the lower end to the upper end to form hot air flow, which can increase the working efficiency of the tempering furnace 1; the top of the tempering furnace 1 is provided with the recovery pipeline 3, and one end of the recovery pipeline 3 is provided with the valve 4, compared with the prior art, the recovery pipeline 3 of the utility model penetrates through the top of the tempering furnace 1, so that the heat in the tempering furnace 1 can be discharged along the recovery pipeline 3, the valve 4 can control the discharge of hot gas in the recovery pipeline 3, and the hot gas can not be discharged when the valve 4 is closed; the recovery pipeline 3 retrieves the interface 5, retrieves the upper end that the interface 5 connects the collection box 2 and link up the collection box 2, inside the collection box 2, retrieves the interface 5 and welds with the crooked pipeline 13 of S-shaped, and the opposite side welding of crooked pipeline 13 has the delivery port 6, compared with the prior art, the utility model discloses a retrieve interface 5 can let the hot gas inside the tempering furnace 1 get into the inside of collection box 2, after outside air gets into crooked pipeline 13 from the delivery port 6, the hot gas inside the collection box 2 can heat the air in the crooked pipeline 13, makes the air get into the tempering furnace 1 from the connector 10, has become hot gas already, increases the rate of temperature rise of the tempering furnace 1, also can the hot gas that the secondary utilization tempering furnace 1 produced simultaneously; after closing valve 4, the steam in tempering furnace 1 just can't get into collection box 2, normal atmospheric temperature when getting into the air of tempering furnace 1 through crooked pipeline 13 this moment, can reduce the temperature of steam in tempering furnace 1, both can carry out the operation that the low temperature required, also can let tempering furnace 1 get back to normal atmospheric temperature state fast after work is accomplished, prolongs the life of tempering furnace 1.

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. The utility model provides a bell-type tempering furnace waste heat recovery device which characterized in that: the tempering furnace comprises a tempering furnace (1), wherein the tempering furnace (1) is cylindrical, and the interior of the tempering furnace is hollow; the top center of the tempering furnace (1) is connected with a recovery pipeline (3), and one end of the recovery pipeline (3) far away from the tempering furnace (1) is connected with a recovery interface (5) and fixed through bolts; the lower end of the recovery interface (5) is welded at the top of the recovery box (2), and penetrates through the top of the recovery box (2) to be connected with a bent pipeline (13); the recycling box (2) is cylindrical and is hollow inside; a discharge port (9) is formed in one end, far away from the recycling connector (5), of the bottom of the recycling box (2); the bent pipeline (13) is positioned inside the recovery box (2), the bent pipeline (13) is S-shaped, and a conveying opening (6) is welded at one end far away from the recovery interface (5); the conveying port (6) penetrates through the recovery box (2) and extends to the outer side of the recovery box (2); one end of the recovery box (2) far away from the conveying opening (6) is provided with a connecting opening (10), and the recovery box (2) is connected with the tempering furnace (1) through the connecting opening (10).

2. The hood-type tempering furnace waste heat recovery device according to claim 1, wherein: one end of the recovery pipeline (3) far away from the tempering furnace (1) is provided with a valve (4), and the valve (4) is positioned above the recovery interface (5).

3. The hood-type tempering furnace waste heat recovery device according to claim 1, wherein: the tempering furnace (1) is far away from the upper end of one side of the recovery box (2) and is provided with a furnace door (11), and the furnace door (11) is rectangular.

4. The hood-type tempering furnace waste heat recovery device according to claim 1, wherein: the lower end in the tempering furnace (1) is provided with a heating element (12), and the heating element (12) is positioned below the connecting port (10).

5. The hood-type tempering furnace waste heat recovery device according to claim 4, wherein: tempering furnace supporting legs (7) are welded at the bottom of the tempering furnace (1), the number of the tempering furnace supporting legs (7) is three, and the tempering furnace supporting legs are uniformly distributed at the bottom of the tempering furnace (1).

6. The hood-type tempering furnace waste heat recovery device according to claim 1, wherein: the bottom of the recovery box (2) is welded with recovery box supporting legs (8), the number of the recovery box supporting legs (8) is four, and the four are uniformly distributed at the bottom of the recovery box (2).