CN220489759U

CN220489759U - Exhaust emission recycling device of heating furnace

Info

Publication number: CN220489759U
Application number: CN202321995303.2U
Authority: CN
Inventors: 于小兵
Original assignee: XINGUANG INDUSTRIAL HEAT TREATMENT (KUNSHAN) CO LTD
Current assignee: XINGUANG INDUSTRIAL HEAT TREATMENT (KUNSHAN) CO LTD
Priority date: 2023-07-27
Filing date: 2023-07-27
Publication date: 2024-02-13
Anticipated expiration: 2033-07-27

Abstract

The utility model discloses a waste gas emission recycling device of a heating furnace, which belongs to the technical field of waste gas recycling and aims to solve the problems that in the prior art, waste of energy is caused by overhigh environment temperature caused by directly discharging waste gas generated by the heating furnace, and moisture of a workpiece cannot be completely removed in drying work. The drying device comprises a base, an air box and a bottom plate, wherein a connecting pipe is arranged on the air box, the bottom of the air box is communicated with a drying mechanism, and a plurality of support columns are arranged between the base and the air box; the base is provided with an air cylinder, the bottom plate is connected with a plurality of movable plates in a sliding way, a rotary table in rotary connection is arranged in the movable plates, the top of the base is provided with a rotary shaft in rotary connection, and the rotary shaft is detachably connected with the rotary table through a clamping mechanism; the utility model is suitable for the utilization of the waste gas of the heating furnace, and the high-temperature waste gas discharged by the main body of the heating furnace is used for drying the workpiece, so that the moisture of the workpiece is removed, the energy waste is reduced, and the drying effect of the workpiece is ensured by drying different positions of the workpiece.

Description

Exhaust emission recycling device of heating furnace

Technical Field

The utility model relates to a heating furnace waste gas emission recycling device, and belongs to the technical field of waste gas recycling.

Background

When the existing workpiece is subjected to heat treatment, the conventional workpiece is usually subjected to normalizing, quenching, tempering and other processes, the gas temperature discharged by the gas heating furnace is relatively high when the workpiece is heated, the gas is discharged freely, and the room temperature is easy to rise. When the workpiece is processed, the workpiece is cleaned and the like, the blower is required to remove the surface moisture, the conventional blower cannot completely remove the workpiece moisture during the working, the excessive heating power of the preheating area of the tempering furnace is easy to cause, smoke is generated, and the processing of auxiliary smoke removing equipment is required to be added.

In the prior art, waste gas generated by a heating furnace is directly discharged, so that the ambient temperature around the heating furnace is easily caused to be too high, energy waste is caused, the practicability of the device is affected, and the moisture of a workpiece cannot be completely removed when the surface of the workpiece is dried, so that the working effect of the device is affected.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides a waste gas emission recycling device for a heating furnace, which solves the problems that in the prior art, waste gas generated by the heating furnace is directly emitted, the environment temperature around the heating furnace is easily overhigh, energy waste is caused, the practicability of the device is affected, and the moisture of a workpiece cannot be completely removed when the surface of the workpiece is dried.

In order to solve the technical problems, the utility model is realized by adopting the following technical scheme:

the utility model provides a waste gas emission recycling device of a heating furnace, which comprises a base, a gas tank and a bottom plate, wherein a connecting pipe is arranged on the gas tank;

the base is provided with an air cylinder for driving the base plate to lift, one side of the base plate, which is far away from the drying mechanism, is slidably connected with a plurality of movable plates, a rotary table connected in a rotary mode is arranged in the movable plates, the top of the base is provided with a rotary shaft connected in a rotary mode on one side of the rotary table, the rotary shaft is detachably connected with the rotary table through a clamping mechanism, and the base is provided with a plurality of driving mechanisms for driving the rotary shaft to rotate.

Further, the heating furnace comprises a heating furnace main body and a gas tank, wherein the heating furnace main body is communicated with the gas tank through a gas outlet pipe, the gas tank is communicated with the gas tank through a connecting pipe, and a fan is arranged in the connecting pipe.

Further, the clamping mechanism comprises a limiting block arranged at the top of the rotating shaft, a limiting groove is formed in one side of the limiting block at the bottom of the rotating disc, and the limiting block is matched with the limiting groove.

Further, the driving mechanism comprises a motor arranged at the top of the base, a rotating wheel is arranged at the output end of the motor, and the rotating wheel and the outer walls of the rotating shafts are sleeved with the same belt.

Further, the drying mechanism comprises guide rods symmetrically arranged at the bottom of the air box, two support plates in sliding connection with the outer walls of the guide rods are sleeved on the outer walls of the guide rods, a spray head is arranged on one side of the turntable in the support plates, and the spray head is communicated with the air box through a hose.

Further, a connecting rod is arranged at the top of the rotating wheel, a reciprocating screw is arranged above the bottom plate at the top of the connecting rod, and the reciprocating screw is in threaded connection with the supporting plate and used for driving the supporting plate to carry out reciprocating lifting movement.

Further, an opening for passing through the reciprocating screw rod is formed in the bottom plate.

Further, the top of the gas tank is provided with a sleeve, the inner wall of the sleeve is matched with a piston which is connected in a sliding way, one side, away from the gas tank, of the piston is elastically connected with the inner wall of the sleeve through a spring, and the inner wall of the sleeve is provided with a gas leakage hole on one side of the spring.

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

1. according to the heating furnace waste gas emission recycling device, the movable plate, the rotary shaft and the drying mechanism are matched, high-temperature waste gas exhausted by the heating furnace main body is conveyed to the inside of the gas box through the connecting pipe, then the waste gas is exhausted through the drying mechanism, and the workpiece is dried, so that the moisture on the surface of the workpiece is ensured to be removed, the working effect of the device is ensured, the energy waste is reduced, the practicability of the device is ensured, meanwhile, the rotary shaft can drive the rotary plate to rotate, the workpiece and the drying mechanism relatively rotate, the drying work is carried out on different positions of the workpiece, the drying effect of the workpiece is further ensured, after the drying of the workpiece is completed, the bottom plate is driven to rise, the workpiece is replaced after the movable plate is pulled out, the work of the drying mechanism is not required to be stopped, and the working efficiency of the device is ensured;

2. according to the utility model, the reciprocating screw rod and the supporting plate are rotated relatively, so that the supporting plate is driven to lift, and the spray head can dry the workpiece from different heights along with the lifting movement of the supporting plate, so that the drying effect of the device on the workpiece is further ensured;

3. according to the utility model, through the cooperation of the air release hole, the spring and the piston, when the air pressure in the air tank rises to a certain degree, the piston moves to the upper part of the air release hole, and excessive waste gas in the air tank can be discharged through the air release hole, so that the air pressure in the air tank is prevented from being too high, and the safety of the device is ensured.

Drawings

Fig. 1 is a schematic diagram of a front view structure of a device for recycling exhaust gas emission of a heating furnace according to an embodiment of the present utility model;

fig. 2 is a schematic front view in section of a locking mechanism according to an embodiment of the present utility model;

FIG. 3 is a schematic top view of a spindle according to an embodiment of the present utility model;

fig. 4 is a schematic cross-sectional front view of a gas tank provided according to an embodiment of the present utility model;

fig. 5 is an enlarged schematic view at a in fig. 4.

In the figure: 1. a base; 2. an air box; 3. a connecting pipe; 4. a support column; 5. a bottom plate; 6. a cylinder; 7. a movable plate; 8. a turntable; 9. a rotating shaft; 10. a heating furnace main body; 11. a gas tank; 12. an air outlet pipe; 13. a limiting block; 14. a limit groove; 15. a motor; 16. a belt; 17. a rotating wheel; 18. a guide rod; 19. a support plate; 20. a spray head; 21. a reciprocating screw; 22. a sleeve; 23. a piston; 24. a spring; 25. and a vent hole.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

As shown in fig. 1-3, the utility model provides a heating furnace waste gas emission recycling device, which comprises a base 1, a gas tank 2 and a bottom plate 5, wherein a connecting pipe 3 is arranged on the gas tank 2, the bottom of the gas tank 2 is communicated with a drying mechanism, and a plurality of support columns 4 are arranged between the base 1 and the gas tank 2; the base 1 is provided with an air cylinder 6 for driving the bottom plate 5 to lift, one side of the bottom plate 5 far away from the drying mechanism is connected with a plurality of movable plates 7 in a sliding manner, a rotary table 8 in rotary connection is arranged in each movable plate 7, one side of the top of the base 1 on the rotary table 8 is provided with a rotary shaft 9 in rotary connection, the rotary shaft 9 is detachably connected with the rotary table 8 through a clamping mechanism, and the base 1 is provided with a driving mechanism for driving a plurality of rotary shafts 9 to rotate; the heating furnace comprises a heating furnace body 10 and a gas tank 11, wherein the heating furnace body 10 is communicated with the gas tank 11 through a gas outlet pipe 12, the gas tank 11 is communicated with the gas tank 2 through a connecting pipe 3, and a fan is arranged in the connecting pipe 3.

Specifically, the work piece to be dried is placed above each rotary table 8, when the heating furnace main body 10 works, the generated high-temperature waste gas is conveyed to the inside of the gas tank 11 through the gas outlet pipe 12, then the fan starts to work, the high-temperature waste gas in the gas tank 11 is conveyed to the inside of the gas tank 2 through the connecting pipe 3 and then is discharged through the drying mechanism, so as to dry the work piece, when the work piece works, the driving mechanism starts to work, a plurality of rotary shafts 9 are driven to rotate, the rotary shafts 9 can drive the rotary table 8 to rotate through the clamping mechanism, so that the work piece is driven to rotate relatively to the drying mechanism, the drying effect of the drying mechanism is ensured, when the work piece is finished to be taken out, the drying mechanism is not required to be stopped, the driving mechanism is controlled to stop working, the cylinder 6 is controlled to drive the bottom plate 5 to rise, the movable plate 7 and the rotary table 8 to rise along with the bottom plate 5, so that the clamping mechanism is separated, at the moment, the movable plate 7 corresponding to the dried work piece is extracted from the bottom plate 5, so that the rotary table 8 and the work piece is driven to move away from the drying mechanism, the rotary table 8 can be driven to move, the work piece is not required to be replaced, and the work piece can be recovered from the top of the rotary table is required to be replaced, and the work piece can be continuously, and the work piece can be replaced, and the work piece can be kept to be continuously rotated, and the work piece can be kept clean when the work piece is required to be replaced, and the work is required to be recovered, and the work is in place, and the work is required to be replaced; alternatively, the number of cylinders 6 is two.

According to the utility model, the movable plate 7, the rotary plate 8, the rotary shaft 9 and the drying mechanism are matched, high-temperature waste gas discharged by the heating furnace main body 10 is conveyed into the air box 2 through the connecting pipe 3, then the waste gas is discharged through the drying mechanism, the workpiece is dried, the moisture on the surface of the workpiece is ensured to be removed due to the fact that the temperature of the waste gas is higher, the working effect of the device is ensured, the energy waste is reduced, the practicability of the device is ensured, meanwhile, the rotary shaft 9 can drive the rotary plate 8 to rotate, the workpiece and the drying mechanism relatively rotate, the drying work is carried out on different positions of the workpiece, the drying effect of the workpiece is further ensured, after the drying of the workpiece is completed, the bottom plate 5 is driven to rise, the workpiece is replaced after the movable plate 7 is pulled out, the work of the drying mechanism is not required to be stopped, and the working efficiency of the device is ensured.

An embodiment, the block mechanism includes a stop block 13 disposed at the top of the rotating shaft 9, a stop slot 14 is formed at one side of the stop block 13 at the bottom of the turntable 8, and the stop block 13 is matched with the stop slot 14.

Specifically, when the air cylinder 6 drives the bottom plate 5 to rise, the movable plate 7 and the turntable 8 rise along with the turntable 8, the limiting groove 14 rises along with the turntable 8, so that the limiting block 13 is separated from the limiting groove 14, the movable plate 7 can be pulled out from the bottom plate 5 at the moment, when the air cylinder 6 drives the bottom plate 5 to restore to the original position downwards, the limiting block 13 moves into the limiting groove 14, and the rotating shaft 9 can drive the turntable 8 to rotate again at the moment; optionally, the limiting block 13 may be disposed at the bottom of the turntable 8, and the limiting slot 14 may be disposed at the top of the rotating shaft 9.

In one embodiment, the driving mechanism includes a motor 15 disposed at the top of the base 1, a rotating wheel 17 is disposed at an output end of the motor 15, the rotating wheel 17 and a plurality of outer walls of the rotating shafts 9 are sleeved with a same belt 16, when the rotating shafts 9 are required to be driven to rotate, the motor 15 starts to work, and drives the rotating wheel 17 to rotate, so that the belt 16 is driven to move, and the rotating shafts 9 rotate along with the belt 16.

As shown in fig. 1, in one embodiment, the drying mechanism includes guide rods 18 symmetrically disposed at the bottom of the air box 2, two support plates 19 in sliding connection with one another are sleeved on the outer walls of the guide rods 18, a spray head 20 is disposed on one side of the turntable 8 on the support plates 19, the spray head 20 is communicated with the air box 2 through a hose, a connecting rod is disposed at the top of the rotating wheel 17, a reciprocating screw 21 is disposed at the top of the connecting rod above the bottom plate 5, the reciprocating screw 21 is in threaded connection with the support plates 19, and is used for driving the support plates 19 to reciprocate, and an opening for passing through the reciprocating screw 21 is formed in the bottom plate 5.

Specifically, when the motor 15 drives the runner 17 to rotate, the runner 17 drives the connecting rod and the reciprocating screw rod 21 to rotate, the reciprocating screw rod 21 rotates relatively with the supporting plate 19, thereby drive the supporting plate 19 to carry out lifting movement, the shower nozzle 20 carries out lifting movement along with the supporting plate 19, when the drying mechanism works, the inside high-temperature waste gas in the air box 2 enters the inside of the shower nozzle 20 through the hose, then the waste gas is discharged through the shower nozzle 20, the work is dried, simultaneously, the shower nozzle 20 carries out drying work on the work along with the supporting plate 19, the work can be dried from different heights, the drying effect of the device on the work is further ensured, the opening is used for avoiding the influence of the bottom plate 5 on the normal work of the reciprocating screw rod 21, and meanwhile, the lifting work of the bottom plate 5 is avoided from being influenced by the reciprocating screw rod 21.

As shown in fig. 4-5, in one embodiment, a sleeve 22 is disposed at the top of the gas tank 11, a piston 23 slidably connected is disposed on the inner wall of the sleeve 22, one side of the piston 23 away from the gas tank 11 is elastically connected with the inner wall of the sleeve 22 through a spring 24, and a gas release hole 25 is formed on one side of the inner wall of the sleeve 22 on the spring 24.

When the heating furnace is used, the amount of the waste gas generated by the heating furnace main body 10 is unstable, the condition that the amount of the waste gas is overlarge in a period of time easily occurs, when the amount of the waste gas is overlarge, the air pressure in the air tank 11 rises at the moment, the piston 23 in the sleeve 22 is pushed to move away from the air tank 11, the spring 24 is compressed at the moment, when the air pressure in the air tank 11 rises to a certain degree, the piston 23 moves to the upper part of the air release hole 25 at the moment, the excessive waste gas in the air tank 11 can be discharged through the air release hole 25, the air pressure in the air tank 11 is prevented from being too high, the safety of the device is ensured, and after the air pressure is recovered to be normal, the spring 24 can push the piston 23 to recover to be in position, and the air tank 11 is sealed again.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims

1. The utility model provides a heating furnace exhaust emission recycle device which is characterized in that, including base (1), gas tank (2) and bottom plate (5), be equipped with connecting pipe (3) on gas tank (2), gas tank (2) bottom intercommunication has stoving mechanism, be equipped with a plurality of support columns (4) between base (1) and gas tank (2);

be equipped with on base (1) and be used for the drive cylinder (6) that bottom plate (5) goes up and down, bottom plate (5) are kept away from stoving mechanism one side sliding connection has a plurality of fly leaves (7), be equipped with in fly leaf (7) and rotate carousel (8) of connection, base (1) top in carousel (8) one side is equipped with pivot (9) of rotating connection, pivot (9) pass through block mechanism with carousel (8) can dismantle and be connected, be equipped with on base (1) and be used for driving a plurality of pivot (9) pivoted actuating mechanism.

2. The heating furnace exhaust emission recycling device according to claim 1, further comprising a heating furnace main body (10) and a gas tank (11), wherein the heating furnace main body (10) is communicated with the gas tank (11) through a gas outlet pipe (12), the gas tank (11) is communicated with the gas tank (2) through the connecting pipe (3), and a fan is arranged in the connecting pipe (3).

3. The device for recycling exhaust gas of the heating furnace according to claim 1, wherein the clamping mechanism comprises a limiting block (13) arranged at the top of the rotating shaft (9), a limiting groove (14) is formed in one side of the limiting block (13) at the bottom of the rotating disc (8), and the limiting block (13) is matched with the limiting groove (14).

4. The device for recycling exhaust gas of the heating furnace according to claim 1, wherein the driving mechanism comprises a motor (15) arranged at the top of the base (1), a rotating wheel (17) is arranged at the output end of the motor (15), and the rotating wheel (17) and the outer walls of the rotating shafts (9) are sleeved with the same belt (16).

5. The exhaust emission recycling device of a heating furnace according to claim 4, wherein the drying mechanism comprises guide rods (18) symmetrically arranged at the bottom of the air box (2), two support plates (19) which are connected in a sliding manner are sleeved on the outer walls of the guide rods (18), a spray head (20) is arranged on one side of the rotary table (8) on the support plates (19), and the spray head (20) is communicated with the air box (2) through a hose.

6. The device for recycling exhaust gas of the heating furnace according to claim 5, wherein a connecting rod is arranged at the top of the rotating wheel (17), a reciprocating screw (21) is arranged above the bottom plate (5) at the top of the connecting rod, and the reciprocating screw (21) is in threaded connection with the supporting plate (19) and is used for driving the supporting plate (19) to reciprocate.

7. The exhaust emission recycling device of the heating furnace according to claim 6, wherein the bottom plate (5) is provided with an opening for passing through the reciprocating screw (21).

8. The device for recycling exhaust gas of the heating furnace according to claim 2, wherein a sleeve (22) is arranged at the top of the gas tank (11), a piston (23) in sliding connection is arranged on the inner wall of the sleeve (22) in a matching manner, one side of the piston (23) away from the gas tank (11) is elastically connected with the inner wall of the sleeve (22) through a spring (24), and a gas leakage hole (25) is formed in one side of the inner wall of the sleeve (22) on the side of the spring (24).