CN212833896U

CN212833896U - Environment-friendly heat treatment furnace

Info

Publication number: CN212833896U
Application number: CN202021164105.8U
Authority: CN
Inventors: 不公告发明人
Original assignee: Shengzhou Fuxing Machinery Manufacturing Co ltd
Current assignee: Shengzhou Fuxing Machinery Manufacturing Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-03-30
Anticipated expiration: 2030-06-22

Abstract

The utility model discloses an environment-friendly heat treatment furnace, include: a heat treatment furnace; the air inlet pipe is fixedly arranged at the bottom end of the left side of the heat treatment furnace, and the right end of the air inlet pipe extends into the inner cavity of the heat treatment furnace; the filter box is fixedly arranged at the bottom end of the right side of the heat treatment furnace; the exhaust pipe is fixedly arranged at the bottom end of the right side of the filter box, and the left end of the exhaust pipe extends into the inner cavity of the filter box; the fan is fixedly arranged in the middle of the top end of the filter box. This environment-friendly heat treatment furnace can prevent that harmful substance from discharging the condition of seriously influencing workman's operational environment quality in the air, has also guaranteed simultaneously that production workman's is healthy, and this device can be to this gas cycle use through intake pipe, convolute pipe, conveyer pipe and discharge pipe, has reduced heat treatment furnace and has used extravagant degree to this type of gas, and reduction in production cost has guaranteed the quality after the work piece thermal treatment simultaneously.

Description

Environment-friendly heat treatment furnace

Technical Field

The utility model relates to the technical field of heat treatment equipment, in particular to an environment-friendly heat treatment furnace.

Background

The heat treatment furnace is an electric furnace or a fuel furnace for heating furnace charge by heat treatment, the commonly used heat treatment furnace comprises a box type resistance furnace, a well type resistance furnace, a gas carburizing furnace, a salt bath furnace and the like, the heat treatment furnace is heat treatment equipment which is frequently used in the heat treatment industry, and mainly utilizes current to enable a heating element in the furnace to emit heat so as to heat workpieces or materials in a furnace body, the most widely used heat treatment furnace is nitrogen, the hydrogen is used rarely and is explosive and unsafe, most of the nitrogen is used as protective atmosphere in the heat treatment process to prevent the workpieces from being oxidized and decarbonized at high temperature, and the nitrogen is also used as cooling gas in a gas quenching vacuum furnace because the nitrogen does not have reactions such as oxidation with a hearth and the workpieces, and is economical and safe and is a gas which is used in the heat treatment process at present;

the traditional heat treatment process can generate irritant gas, the treatment furnace can flush harmful gas and impurities when opening a furnace door, the harmful substances are discharged into the air to seriously affect the quality of the working environment of workers, even if a workshop keeps ventilation, the harmful substances are still accumulated, and the health of the workers can be influenced to a certain extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an environment-friendly heat treatment furnace to it is higher with the thermal treatment cost also to influence workman's healthy and thermal treatment simultaneously to solve the harmful gas influence workman's that proposes among the prior art quality of working environment, remains the problem that promotes to the processingquality of work piece.

In order to achieve the above object, the utility model provides a following technical scheme: an environment-friendly heat treatment furnace comprising:

a heat treatment furnace;

the air inlet pipe is fixedly arranged at the bottom end of the left side of the heat treatment furnace, and the right end of the air inlet pipe extends into the inner cavity of the heat treatment furnace;

the filter box is fixedly arranged at the bottom end of the right side of the heat treatment furnace;

the exhaust pipe is fixedly arranged at the bottom end of the right side of the filter box, and the left end of the exhaust pipe extends into the inner cavity of the filter box;

the fan is fixedly arranged in the middle of the top end of the filter box;

the cover plate is fixedly arranged at the top end of the inner cavity of the heat treatment furnace;

the first fixing frame is fixedly connected between the cover plate and the top end of the inner cavity of the heat treatment furnace;

the bottom end of the conveying pipe is fixedly connected to the top end of the cover plate, and the other end of the conveying pipe is fixedly connected to an air inlet of the fan;

and the two second fixing frames are respectively and fixedly arranged at the right side of the top end and the top end of the right side of the heat treatment furnace and fixedly sleeved on the outer side of the outer wall of the conveying pipe.

Preferably, the heat treatment furnace is further provided with: the door body can be hinged to the front end of the heat treatment furnace in an opening and closing manner; the two fixed blocks are respectively fixedly arranged on the left side and the right side of the inner wall of the inner cavity of the heat treatment furnace and are positioned below the cover plate; the baffle is detachably inserted between the two fixing blocks in the front-back direction; the coil pipe is fixedly arranged at the bottom end of the inner cavity of the heat treatment furnace, wherein the bottom end is communicated with the air inlet pipe, and the other end is in a closed state; every two adjacent support blocks are fixedly arranged on the inner wall of the heat treatment furnace in a group; the heating sheets are fixedly arranged between the two supporting blocks along the vertical direction; the two support rods are respectively and fixedly arranged on the left side and the right side of the bottom end of the inner cavity of the heat treatment furnace along the vertical direction; the fixture blocks are all fixedly arranged on the inner side inner walls of the two support rods.

Preferably, the shape of the fixture block is L-shaped.

Preferably, the baffle plate is further provided with a plurality of spiral through holes in the vertical direction.

Preferably, the spiral pipe is further provided with: the heat treatment furnace comprises a plurality of spiral pipes, a plurality of arc blocks and a plurality of through holes, wherein the plurality of arc blocks are fixedly arranged at the top ends of the spiral pipes and are distributed clockwise and annularly relative to the vertical center line of the heat treatment furnace, and the arc blocks are also internally provided with the through holes and are communicated with the spiral pipes.

Preferably, the filter box is internally provided with: the clamping plates are detachably inserted into the inner cavity of the filter box in the front-back direction; the active carbon filter screen, the active carbon filter screen is fixed to be set up cardboard inboard middle part.

Compared with the prior art, the beneficial effects of the utility model are that: this environment-friendly heat treatment furnace, can siphon away the irritability gas and the harmful substance that produce among the heat treatment process through the fan, and filter cleanly through baffle and active carbon filter screen, prevent that these harmful substances from discharging seriously influence workman's operational environment quality in the air, also guaranteed simultaneously that production workman's is healthy, secondly when requiring higher to work piece processing, often adopt the work piece and air isolated mode, make and fill a large amount of inert gas in the heat treatment furnace, with the quality of guaranteeing work piece thermal treatment back material and outer wall, this device passes through the intake pipe, the coil pipe, conveyer pipe and discharge pipe can be to this gas circulation filtration use, the heat treatment furnace has been reduced and has been used extravagant degree to this type of gas, and the while reduction in production cost, the quality of work piece processing has been guaranteed.

Drawings

FIG. 1 is a schematic sectional view of the front view of the present invention;

fig. 2 is a schematic top view of the present invention in partial cross-sectional structure;

fig. 3 is a schematic view of the structure of the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the middle clamping plate of the present invention.

In the figure: 1. the heat treatment furnace comprises a heat treatment furnace body, 2, an air inlet pipe, 3, a filter box, 4, an exhaust pipe, 5, a fan, 6, a cover plate, 7, a first fixing frame, 8, a conveying pipe, 9, a second fixing frame, 10, a fixing block, 11, a baffle, 12, a coil pipe, 13, a supporting block, 14, a heating sheet, 15, a supporting rod, 16, a clamping block, 17, an arc-shaped block, 18, a clamping plate, 19, an active carbon filter screen, 20 and a door body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution of an environment-friendly heat treatment furnace: the method comprises the following steps: a heat treatment furnace 1; the air inlet pipe 2 is fixedly arranged at the bottom end of the left side of the heat treatment furnace 1, and the right end of the air inlet pipe extends into the inner cavity of the heat treatment furnace 1; the filter box 3 is fixedly arranged at the bottom end of the right side of the heat treatment furnace 1; the exhaust pipe 4 is fixedly arranged at the bottom end of the right side of the filter box 3, and the left end of the exhaust pipe extends into the inner cavity of the filter box 3; the fan 5 is fixedly arranged in the middle of the top end of the filter box 3; the cover plate 6 is fixedly arranged at the top end of the inner cavity of the heat treatment furnace 1; the first fixing frame 7 is fixedly connected between the cover plate 6 and the top end of the inner cavity of the heat treatment furnace 1; the bottom end of the conveying pipe 8 is fixedly connected to the top end of the cover plate 6, and the other end of the conveying pipe is fixedly connected to an air inlet of the fan 5; two second mounts 9 are fixed mounting respectively on the top right side and the right side top of heat treatment furnace 1, and fixed cover connects in the outer wall outside of conveyer pipe 8 for it is spacing to fix conveyer pipe 8, makes its structure more stable.

Preferably, the heat treatment furnace 1 further includes: the heat treatment furnace comprises a fixed block 10, a baffle 11, a coil pipe 12, a supporting block 13, a heating sheet 14, a supporting rod 15, a clamping block 16 and a door body 20, wherein the door body 20 can be hinged to the front end of the heat treatment furnace 1 in an opening and closing manner; the two fixing blocks 10 are respectively fixedly arranged at the left side and the right side of the inner wall of the inner cavity of the heat treatment furnace 1 and are positioned below the cover plate 6; the baffle plate 11 is detachably inserted between the two fixed blocks 10 along the front and back direction; the coiled pipe 12 is fixedly arranged at the bottom end of the inner cavity of the heat treatment furnace 1, wherein the bottom end is communicated with the air inlet pipe 2, and the other end is in a closed state; every two adjacent support blocks 13 are fixedly arranged on the inner wall of the heat treatment furnace 1; the heating sheet 14 is fixedly arranged between the two supporting blocks 13 along the vertical direction; the two support rods 15 are respectively and fixedly arranged at the left side and the right side of the bottom end of the inner cavity of the heat treatment furnace 1 along the up-down direction; the clamping blocks 16 are fixedly arranged on the inner side walls of the two support rods 15 and are used for supporting the workpiece, so that most of the area of the workpiece is exposed.

Preferably, the latch 16 is L-shaped, so that the latching effect on the workpiece is more stable.

Preferably, the baffle 11 is further provided with a plurality of vertical spiral through holes to prevent the air flow from directly passing through, thereby accelerating the air flow speed.

Preferably, the spiral pipe 12 is further provided with: the arc blocks 17 are fixedly arranged at the top end of the spiral pipe 12, and are distributed in a clockwise annular mode relative to the vertical center line of the heat treatment furnace 1, through holes are further formed in the arc blocks 17 and are communicated with the spiral pipe 12, airflow in the heat treatment furnace 1 can rotate, and the heat treatment effect on workpieces is more uniform.

Preferably, the filter box 3 further includes: the clamping plates 18 and the activated carbon filter screen 19 are detachably inserted into the inner cavity of the filter box 3 along the front-back direction; the active carbon filter screen 19 is fixedly arranged in the middle of the inner side of the clamping plate 18, and when the active carbon filter screen 19 is saturated, a worker can replace the active carbon filter screen.

The following electric devices have the following types and functions:

all the electric device models of the scheme can meet the use requirement of the scheme, and can be purchased in the market.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

In the actual use process of the device, the door body 20 is opened to place a workpiece above the two fixture blocks 16 on the inner side of the support rod 15, a larger workpiece area can be exposed, the heat treatment efficiency is improved, the door body 20 is closed, then nitrogen or other inert gases are filled through the air inlet pipe 2 to discharge gas and moisture of other components in the inner cavity of the heat treatment furnace 1, the arc-shaped blocks 17 are in a clockwise annular distribution state relative to the vertical center line of the heat treatment furnace 1, the airflow of the inert gases in the heat treatment furnace 1 can rotate, the heat treatment effect on the workpiece is more uniform, the workpiece is prevented from reacting with impurities in the air in the heat treatment process, the workpiece is heated through the heating sheet 14, a large amount of irritant gases can be generated in the heating process, the gases can be used for extracting the air at the bottom of the cover plate 6 through the fan 5, and the air passes through the cover, The conveying pipe 8 and the fan 5 enter the filter box 3, harmful gas generated in the process of workpiece heat treatment passes through the baffle plate 11, the shape of the through hole in the baffle plate 11 is spiral, so that part of large-particle impurities can be hung and adsorbed through the inner wall of the spiral through hole in the process of upward circulation of the harmful gas, meanwhile, the temperature above the inner cavity of the heat treatment furnace 1 can be reduced, then the harmful gas enters the filter box 3 through the conveying pipe 8, further dust removal and odor removal are carried out along with a plurality of activated carbon filter screens 19 in the filter box 3, the harmful gas is discharged to a specified gas collecting area through the exhaust pipe 4 so as to be recycled, irritant gas and harmful substances generated in the process of heat treatment can be sucked away through the fan 5, and the irritant gas and the harmful substances are filtered and cleaned through the baffle plate 11 and the activated carbon filter screens 19, so that the harmful substances are prevented from being discharged into the air to, also guaranteed the healthy of production workman simultaneously, this device can be to this gas cycle use through intake pipe 2, convolute 12, conveyer pipe 8 and discharge pipe, has reduced heat treatment furnace 1 and has used extravagant degree to this kind of gas, and reduction in production cost has guaranteed the quality of work piece processing simultaneously.

In the description of the present invention, it is to be understood that the terms "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "both ends" and the like indicate orientations or positional relationships based on those shown in the drawings, which are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated; also, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," "fixedly mounted," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

Claims

1. An environment-friendly heat treatment furnace, characterized by comprising:

a heat treatment furnace (1);

the air inlet pipe (2) is fixedly arranged at the bottom end of the left side of the heat treatment furnace (1), and the right end of the air inlet pipe (2) extends into the inner cavity of the heat treatment furnace (1);

the filter box (3) is fixedly arranged at the bottom end of the right side of the heat treatment furnace (1);

the exhaust pipe (4) is fixedly arranged at the bottom end of the right side of the filter box (3), and the left end of the exhaust pipe (4) extends into the inner cavity of the filter box (3);

the fan (5) is fixedly arranged in the middle of the top end of the filter box (3);

the cover plate (6), the said cover plate (6) is fixedly set up in the top of the said heat treatment furnace (1) cavity;

the first fixing frame (7), the first fixing frame (7) is fixedly connected between the cover plate (6) and the top end of the inner cavity of the heat treatment furnace (1);

the bottom end of the conveying pipe (8) is fixedly connected to the top end of the cover plate (6), and the other end of the conveying pipe (8) is fixedly connected to an air inlet of the fan (5);

and the second fixing frames (9) are fixedly arranged on the right side of the top end and the top end of the right side of the heat treatment furnace (1) respectively, and are fixedly sleeved on the outer side of the outer wall of the conveying pipe (8).

2. The environment-friendly heat treatment furnace as claimed in claim 1, wherein: the heat treatment furnace (1) is also internally provided with:

the door body (20), the door body (20) can be hinged at the front end of the heat treatment furnace (1) in an opening and closing manner;

the two fixing blocks (10) are respectively fixedly arranged on the left side and the right side of the inner wall of the inner cavity of the heat treatment furnace (1) and are positioned below the cover plate (6);

the baffle (11) is detachably inserted between the two fixing blocks (10) along the front and back direction;

the spiral pipe (12) is fixedly arranged at the bottom end of the inner cavity of the heat treatment furnace (1), the bottom end of the spiral pipe (12) is communicated with the air inlet pipe (2), and the other end of the spiral pipe is in a closed state;

every two adjacent support blocks (13) are fixedly arranged on the inner wall of the heat treatment furnace (1) in a group;

the heating sheets (14), the heating sheets (14) are fixedly arranged between the two supporting blocks (13) along the vertical direction;

the two support rods (15) are respectively and fixedly arranged on the left side and the right side of the bottom end of the inner cavity of the heat treatment furnace (1) along the vertical direction;

the clamping blocks (16) are fixedly arranged on the inner side walls of the two supporting rods (15).

3. The environment-friendly heat treatment furnace as claimed in claim 2, wherein: the fixture block (16) is L-shaped.

4. The environment-friendly heat treatment furnace as claimed in claim 2, wherein: and the baffle (11) is also provided with a plurality of spiral through holes in the vertical direction.

5. The environment-friendly heat treatment furnace as claimed in claim 2, wherein: the spiral pipe (12) is also provided with:

the heat treatment furnace comprises arc-shaped blocks (17), wherein the arc-shaped blocks (17) are fixedly arranged at the top end of the spiral pipe (12) and are in clockwise annular distribution relative to the vertical center line of the heat treatment furnace (1), and through holes are further formed in the arc-shaped blocks (17) and are communicated with the interior of the spiral pipe (12).

6. The environment-friendly heat treatment furnace as claimed in claim 1, wherein: the filter box (3) is also internally provided with:

the clamping plates (18) are detachably inserted into the inner cavity of the filter box (3) along the front-back direction;

the active carbon filter screen (19), active carbon filter screen (19) fixed set up cardboard (18) inboard middle part.