CN113587649B

CN113587649B - Dewaxing device of sintering furnace

Info

Publication number: CN113587649B
Application number: CN202110864270.7A
Authority: CN
Inventors: 邹思敏; 肖骏光; 刘赞; 李应新
Original assignee: Zhuzhou Ruidel Intelligent Equipment Co ltd
Current assignee: Zhuzhou Ruidel Intelligent Equipment Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2023-05-09
Anticipated expiration: 2041-07-29
Also published as: CN113587649A

Abstract

The embodiment of the invention discloses a sintering furnace dewaxing device, which relates to the technical field of sintering furnace dewaxing, and mainly aims to solve the problem that the existing sintering furnace dewaxing device is incomplete in collecting a forming agent.

Description

Dewaxing device of sintering furnace

Technical Field

The application relates to the technical field of sintering furnace dewaxing, in particular to a sintering furnace dewaxing device.

Background

The sintering furnace is a heat treatment furnace capable of providing materials with specific temperature, specific environmental pressure and vacuum degree, wherein the dewaxing device is used for collecting the forming agent added into the products.

When the conventional dewaxing device collects the forming agent, the liquid forming agent is easily adhered to the inner wall of the pipeline or accumulated in the pipeline, so that the forming agent cannot be completely collected, and a part of the forming agent is left in the pipeline.

Disclosure of Invention

The embodiment of the invention aims to provide a dewaxing device of a sintering furnace, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present application provides the following technical solutions:

the utility model provides a fritting furnace dewaxing device, includes pipeline assembly and refrigeration mechanism, still includes:

a condenser tube positioned within the conduit assembly; the condensing pipe is positioned in the refrigerating mechanism, the condensing pipe is a bent pipe with a bent middle, and a material guiding part for discharging liquid forming agent is arranged at the middle bent position of the condensing pipe; and

the cleaning assembly comprises a cleaning piece attached to the inner wall of the condensing tube; the first pressure bearing piece is connected with the cleaning piece; and

a seal assembly located within the pilot, the seal assembly comprising a seal for sealing the pilot; and a second pressure bearing member connected with the sealing member; and

a drive assembly including a rotating member; and the driving piece is used for driving the rotating piece to rotate, and the first pressure bearing piece and the second pressure bearing piece are used for bearing the pressure of the rotating piece so as to drive the cleaning piece and the sealing piece to move, so that the liquid forming agent adhered on the inner wall of the condensing tube is brought to the material guiding part.

As a further aspect of the present application: the collecting assembly comprises a storage part communicated with the discharge end of the material guiding part; and a discharge portion mounted on the storage portion, the drive assembly, the first pressure bearing member, and the second pressure bearing member being located within the collection assembly.

As yet a further aspect of the present application: the conduit assembly further includes:

the gas inlet pipe is positioned at one end of the sintering furnace and one end of the condensing pipe and is used for sucking the gaseous forming agent in the sintering furnace into the condensing pipe, and a first gas valve for controlling gas circulation is arranged between the gas inlet pipe and the condensing pipe; and

the air outlet pipe is positioned at the other end of the condensing pipe and used for exhausting air, and a second air valve used for controlling air circulation is arranged between the air outlet pipe and the condensing pipe.

As yet a further aspect of the present application: the pipeline assembly further comprises a circulating pipe communicated with two ends of the condensing pipe, and the circulating pipe is used for discharging the forming agent which is not completely liquefied into the condensing pipe again for liquefaction.

As yet a further aspect of the present application: a linkage piece is further arranged between the cleaning piece and the first pressure-bearing piece, and the linkage piece comprises a first linkage piece connected with the cleaning piece; and the second linkage piece is connected with the first pressure-bearing piece, and the first linkage piece is hinged with the second linkage piece.

As yet a further aspect of the present application: the sealing assembly is further provided with a sliding piece connected between the sealing piece and the second pressure-bearing piece, and the second linkage piece and the sliding piece are respectively provided with a first elastic piece and a second elastic piece which drive the cleaning piece and the sealing piece to reset.

As yet a further aspect of the present application: the condenser pipe and the storage part are respectively provided with a first sleeving part and a second sleeving part for installing the second linkage part.

As yet a further aspect of the present application: a transmission part is arranged between the rotating part and the driving part, one end of the transmission part is provided with a meshing part connected with the driving part, and the other end of the transmission part is provided with a limiting part connected with the rotating part.

Compared with the prior art, the beneficial effects of this application are:

the liquefied forming agent automatically flows towards the material guiding part along the inclined pipe wall on the condensing pipe under the action of gravity, the rotating part drives the cleaning part to move along the inner wall of the condensing pipe through the first pressure-bearing part, so that the liquid forming agent adhered to the inner wall of the condensing pipe is brought to the material guiding part, the rotating part drives the sealing part to leave from the material guiding part through the second pressure-bearing part, the liquid forming agent in the condensing pipe can be discharged from the material guiding part into the storage part for collection, the function of completely and thoroughly discharging the liquid forming agent from the condensing pipe is realized, the automatic degree is high, the characteristic of thoroughly collection is achieved, and the problem that the forming agent is not thoroughly collected in the conventional dewaxing device of the sintering furnace is solved.

Drawings

Fig. 1 is a schematic structural diagram of a dewaxing device of a sintering furnace according to an embodiment of the invention.

FIG. 2 is an enlarged view of a portion of a cleaning assembly in accordance with an embodiment of the present invention.

Fig. 3 is a partial enlarged view of the material guiding portion in the embodiment of the present invention.

Fig. 4 is an enlarged view of a portion of a seal assembly in an embodiment of the invention.

Fig. 5 is an enlarged view of a portion of a condenser tube in an embodiment of the present invention.

Fig. 6 is an isometric view of a drive assembly in an embodiment of the invention.

FIG. 7 is an enlarged view of a portion of a cleaning member according to an embodiment of the present invention.

In the figure: 1-piping assembly, 11-condenser pipe, 111-guide portion, 112-first socket, 12-intake pipe, 13-outlet pipe, 14-first air valve, 15-second air valve, 16-circulation pipe, 2-refrigeration mechanism, 21-refrigeration equipment, 22-seal cartridge, 3-purge component, 31-purge component, 32-first linkage, 33-second linkage, 331-first pressure-receiving component, 34-first elastic component, 4-seal component, 41-seal component, 42-slide component, 43-second elastic component, 44-second pressure-receiving component, 5-collection component, 51-storage portion, 511-second socket, 52-discharge portion, 6-drive component, 61-rotation component, 611-guide component, 62-main body, 63-transmission component, 631-limit component, 64-engagement component, 65-drive component.

Detailed Description

In the description of the present application, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and are not intended to indicate or imply that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present application.

Referring to fig. 1, the embodiment provides a dewaxing device of a sintering furnace, which includes a pipe assembly 1 and a refrigeration mechanism 2, and further includes:

a condenser tube 11 located within the conduit assembly 1; the condensing tube 11 is positioned in the refrigerating mechanism 2, the condensing tube 11 is a bent tube with a middle bend, and a material guiding part 111 for discharging the liquid forming agent is arranged at the middle bend position of the condensing tube 11; and

a cleaning assembly 3, wherein the cleaning assembly 3 comprises a cleaning piece 31 which is attached to the inner wall of the condensation pipe 11; and a first pressure receiving member 331 connected to the cleaning member 31; and

a sealing assembly 4 located within the guide portion 111, the sealing assembly 4 comprising a seal 41 for sealing the guide portion 111; and a second pressure receiving member 44 connected to the seal member 41; and

a drive assembly 6, said drive assembly 6 comprising a rotary member 61; and a driving member 65 for driving the rotating member 61 to rotate, wherein the first pressure bearing member 331 and the second pressure bearing member 44 are used for bearing the pressure of the rotating member 61 to drive the cleaning member 31 and the sealing member 41 to move, so that the liquid forming agent adhered on the inner wall of the condensation tube 11 is brought to the material guiding portion 111.

Referring to fig. 1, in the above-mentioned technical solution, the outer shape of the condensation tube 11 is designed as a V-shaped tube or a U-shaped tube, which is a tube with two flat ends and is bent in the middle, the tube with two flat ends is herein referred to as a bent portion, the tube with two flat ends is referred to as a straight tube, the included angle between the two straight tube portions is designed as an obtuse angle, because the larger the angle is, the more beneficial to the gas flowing inside, the larger the angle can be designed as 120 ° or 150 °, etc., so that the gas flowing inside can be ensured, the liquefied forming agent can flow along the inner wall of the tube to the bent portion under the action of gravity, and finally the liquefied forming agent can be discharged through the guide portion 111 arranged at the bent portion, so that the situation that the liquid forming agent is accumulated and cannot be completely discharged can be prevented, the guide portion 111 is designed as a guide tube, and is located at the middle position of the condensation tube 11, in the initial state, the sealing member 41 can seal the liquid outlet of the guide tube, in order to prevent the gaseous forming agent from being discharged from the guide tube, and the sealing member is designed as a sealing block 41.

According to the above technology, when the gaseous forming agent enters the condensation tube 11 in the refrigeration mechanism 2 and can be liquefied, the liquefied forming agent automatically flows towards the material guiding part 111 along the inclined tube wall under the action of gravity, the driving part 65 in the driving assembly 6 drives the rotating part 61 to rotate at a constant speed, when the first pressure bearing part 331 in the cleaning assembly 3 is extruded in the rotating process of the rotating part 61, the cleaning part 31 can be driven to move along the inner wall of the condensation tube 11, so that the liquid forming agent adhered to the inner wall of the condensation tube 11 is brought to the material guiding part 111, and when the second pressure bearing part 44 in the sealing assembly 4 is extruded in the rotating process of the rotating part 61, the sealing part 41 can be driven to leave from the material guiding part 111, so that the liquid forming agent in the condensation tube 11 can be discharged from the material guiding part 111 for collection, the function of completely discharging the liquid forming agent from the condensation tube 11 is realized, and the technology has the characteristics of high automation degree and thorough collection.

Referring to fig. 7, further, the cleaning member 31 is designed as a fixing ring, the fixing ring is designed as a circular ring, so as to be better attached to the condensation tube 11, and meanwhile, both the liquid and gaseous forming agents can flow through the middle of the circular ring, the condensation tube 11 can be designed as a square tube, and the fixing ring is designed as a rectangular ring, which is not limited herein, and will not be described again.

Referring to fig. 2, 4 and 6, further, the first pressure-bearing member 331 is designed as a ball or a roller, the second pressure-bearing member 44 is designed as a wedge, and the corresponding rotating member 61 is designed as an arc plate, and the surface of the rotating member 61 is designed with a guiding member 611 matching with the ball or the roller, the guiding member 611 is designed as an arc groove formed on the arc plate, when the arc plate rotates, the ball or the roller can slide in the arc groove relative to the arc plate, so as to drive the cleaning member 31 connected with the ball or the roller to move in the condenser tube 11, and the inclined surface on the wedge can drive the sealing member 41 connected with the wedge to lift out from the guiding portion 111 while the wedge and the arc plate slide relatively, thereby realizing the functions of automatically cleaning the liquid forming agent and automatically discharging the liquid forming agent.

Of course, the first pressure-bearing member 331 may be designed as a wedge-shaped block corresponding to the second pressure-bearing member 44, and accordingly, the guide 611 on the rotating member 61 should be omitted, and the same function as that achieved by the cooperation of the balls or rollers and the guide 611 can be achieved, and of course, the second pressure-bearing member 44 may also be designed as a ball or roller corresponding to the first pressure-bearing member 331, which is not limited herein and will not be described again.

Referring to fig. 1, further, the refrigeration mechanism 2 includes a refrigeration device 21 and a sealed cabin 22, the condensation pipe 11 is installed in the sealed cabin 22, and the refrigeration device 21 can cool the sealed cabin 22.

Referring to fig. 1, further, the cleaning assemblies 3 are two in number and symmetrically distributed on both sides of the sealing assembly 4.

Referring to fig. 1, further, the pipe assembly 1 further includes:

an air inlet pipe 12 positioned at one end of the sintering furnace and the condensing pipe 11 and used for sucking the gaseous forming agent in the sintering furnace into the condensing pipe 11, and a first air valve 14 used for controlling air circulation is arranged between the air inlet pipe 12 and the condensing pipe 11; and

the air outlet pipe 13 is arranged at the other end of the condensation pipe 11 and is used for discharging air, and a second air valve 15 for controlling air circulation is arranged between the air outlet pipe 13 and the condensation pipe 11.

Referring to fig. 1, further, the pipe assembly 1 further includes a circulation pipe 16 connected to two ends of the condensation pipe 11, and the circulation pipe 16 is used for discharging the forming agent which is not completely liquefied into the condensation pipe 11 again for liquefaction, so that the forming agent can be liquefied for multiple times, and the forming agent is collected more thoroughly.

Referring to fig. 1 and 2, further, a linkage member is further disposed between the cleaning member 31 and the first pressure-bearing member 331, and the linkage member includes a first linkage member 32 connected to the cleaning member 31; and the second linkage piece 33 is connected with the first pressure-bearing piece 331, the first linkage piece 32 is hinged with the second linkage piece 33, the first linkage piece 32 and the second linkage piece 33 are respectively fixed rods or fixed shafts, and the two fixed rods or fixed shafts are mutually hinged and are used for transmitting the thrust from the first pressure-bearing piece 331 to the cleaning piece 31 so as to drive the cleaning piece 31 to move in the condenser tube 11.

Referring to fig. 1 and 4, further, the sealing assembly 4 is further provided with a sliding member 42 connected between the sealing member 41 and the second bearing member 44, the second linkage member 33 and the sliding member 42 are respectively provided with a first elastic member 34 and a second elastic member 43 that drive the cleaning member 31 and the sealing member 41 to return, the sliding member 42 is designed as a sliding rod or a sliding shaft, the thrust from the second bearing member 44 can be transferred to the sealing member 41, and then lifted from the material guiding portion 111, when the first bearing member 331 and the second bearing member 44 lose the force of the rotating member 61, the elastic force of the first elastic member 34 and the second elastic member 43 can return the cleaning member 31 and the sealing member 41, and the first elastic member 34 and the second elastic member 43 can be designed as springs, elastic rubber and the like, so that repeated description is omitted.

Referring to fig. 3 and 5, further, the condensation pipe 11 and the storage portion 51 are respectively provided with a first socket 112 and a second socket 511 for mounting the second linkage member 33, the first socket 112 and the second socket 511 are respectively designed as sleeves, and are respectively communicated with the condensation pipe 11 and the storage portion 51, and the second linkage member 33 is slidably connected in the two sleeves.

Referring to fig. 1 and 6, further, a transmission member 63 is disposed between the rotation member 61 and the driving member 65, one end of the transmission member 63 is provided with a meshing member 64 connected with the driving member 65, the other end is provided with a limiting member 631 connected with the rotation member 61, the transmission member 63 is designed as a transmission rod or a transmission shaft, the meshing member 64 is designed as a driven wheel and a driving wheel which are meshed with each other, the driving member 65 is designed as a driving motor, the driving wheel is connected with the driving motor, the transmission member 63 is driven to rotate by utilizing the meshing transmission principle, the limiting member 631 is designed as a limiting rib or a limiting pin, the rotation members 61 are all installed on a main body 62, the main body 62 is designed as a sleeve, and the sleeve is fixedly installed on the transmission member 63 through the limiting rib or the limiting pin.

Of course, the transmission member 63 is connected to the driving member 65 through the engagement member 64, and may be replaced by a manner that the transmission member 63 is connected to the driving member 65 through a pulley assembly, where the pulley assembly includes a first synchronizing wheel, a second synchronizing wheel and a synchronous belt, the first synchronizing wheel is mounted on the transmission member 63, the second synchronizing wheel is connected to the driving member 65, and the synchronous belt is connected between the first synchronizing wheel and the second synchronizing wheel, so as to further realize the function of driving the rotation member 61 to rotate, and of course, the engagement member 64 may be designed into other forms, which is not limited herein and will not be described again.

Referring to fig. 1, as an embodiment of the present application, the collecting assembly 5 further includes a storage portion 51 that is in communication with the discharge end of the material guiding portion 111; and a discharging part 52 installed on the storing part 51, wherein the driving assembly 6, the first pressure bearing part 331 and the second pressure bearing part 44 are all positioned in the collecting assembly 5, the storing part 51 is designed as a sealing frame and is used for collecting the liquid forming agent discharged from the material guiding part 111, the discharging part 52 is designed as a discharging pipe installed on the sealing frame, and when the liquid forming agent in the sealing frame is collected in a certain amount, a control valve on the discharging pipe is opened, so that the liquid forming agent can be discharged.

During the application, gaseous forming agent in the fritting furnace gets into intake pipe 12 and condenser pipe 11 under the effect of suction pump, refrigeration mechanism 2 can be liquefied with the gaseous forming agent in condenser pipe 11, remaining air is discharged through outlet duct 13, gaseous forming agent is in the liquefaction in-process of condenser pipe 11, because condenser pipe 11 designs to the return bend, make the automatic guide portion 111 that flows of pipe wall along the slope after the liquefaction under the effect of gravity, start driving piece 65 drives a plurality of rotating parts 61 rotation, when the first pressure piece 331 in the rotatory in-process extrusion clearance subassembly 3 of rotating part 61 can drive clearance piece 31 along condenser pipe 11 inner wall, thereby take the liquid forming agent of adhesion on condenser pipe 11 inner wall to guide portion 111, when the in-process extrusion seal assembly 4 in rotating part 61 second pressure piece 44, can drive sealing member 41 and leave from guide portion 111, make the liquid forming agent in the condenser pipe 11 collect in the storage portion in can follow guide portion 111, realize clean automatic discharge of liquid forming agent thoroughly from the condenser pipe 11 in the process, the high degree of the automatic thorough collection of discharging of the automatic characteristics of degree of having the characteristics of thoroughly.

In summary, the liquefied forming agent automatically flows towards the material guiding part 111 along the inclined pipe wall on the condensation pipe 11 under the action of gravity, the rotating member 61 drives the cleaning member 31 to move along the inner wall of the condensation pipe 11 through the first pressure bearing member 331, so that the liquid forming agent adhered to the inner wall of the condensation pipe 11 is brought to the material guiding part 111, the rotating member 61 drives the sealing member 41 to leave from the material guiding part 111 through the second pressure bearing member 44, so that the liquid forming agent in the condensation pipe 11 can be discharged into the storage part from the material guiding part 111 for collection, the function of completely discharging the liquid forming agent from the condensation pipe 11 is realized, the characteristics of high automation degree and complete collection are achieved, and the problem that the forming agent is not completely collected in the conventional dewaxing device of the sintering furnace is solved.

It should be noted that, although the present disclosure describes embodiments, each embodiment does not include a separate technical solution, and the description is only for clarity, those skilled in the art should understand that the technical solutions in the embodiments may be properly combined to form other embodiments that can be understood by those skilled in the art, and the above embodiments only describe preferred embodiments of the present disclosure, which are described in more detail and detail, but should not be construed as limiting the scope of the claims of the present disclosure. It should be noted that modifications, improvements and substitutions can be made by those skilled in the art without departing from the spirit of the present application, which are all within the scope of the present technical solution.

Claims

1. The utility model provides a fritting furnace dewaxing device, includes pipeline assembly (1) and refrigeration mechanism (2), its characterized in that still includes:

a condenser tube (11) positioned in the pipeline assembly (1); the condensing pipe (11) is positioned in the refrigerating mechanism (2), the condensing pipe (11) is an elbow pipe with middle bending, and a material guiding part (111) for discharging liquid forming agent is arranged at the middle bending position of the condensing pipe (11); and

the cleaning assembly (3), the cleaning assembly (3) comprises a cleaning piece (31) attached to the inner wall of the condensation pipe (11); and a first pressure-bearing member (331) connected to the cleaning member (31); and

a seal assembly (4) located within the guide (111), the seal assembly (4) comprising a seal (41) for sealing off the guide (111); and a second pressure receiving member (44) connected to the seal member (41); and

-a drive assembly (6), the drive assembly (6) comprising a rotation member (61); and a driving part (65) for driving the rotating part (61) to rotate, wherein the first pressure bearing part (331) and the second pressure bearing part (44) are used for bearing the pressure of the rotating part (61) so as to drive the cleaning part (31) and the sealing part (41) to move, and then the liquid forming agent adhered on the inner wall of the condensing pipe (11) is brought to the material guiding part (111).

2. A sintering furnace dewaxing apparatus according to claim 1, further comprising a collection assembly (5), the collection assembly (5) comprising a storage section (51) in communication with the discharge end of the guide section (111); and a discharge portion (52) mounted on the storage portion (51), the driving assembly (6), the first pressure receiving member (331) and the second pressure receiving member (44) being located in the collecting assembly (5).

3. A sintering furnace dewaxing apparatus according to claim 1, wherein the pipe assembly (1) further comprises:

an air inlet pipe (12) positioned at one end of the sintering furnace and the condensing pipe (11) and used for sucking the gaseous forming agent in the sintering furnace into the condensing pipe (11), and a first air valve (14) used for controlling air circulation is arranged between the air inlet pipe (12) and the condensing pipe (11); and

the air outlet pipe (13) is positioned at the other end of the condensing pipe (11) and is used for discharging air, and a second air valve (15) used for controlling air circulation is arranged between the air outlet pipe (13) and the condensing pipe (11).

4. A dewaxing apparatus for sintering furnaces according to claim 3, wherein the pipe assembly (1) further comprises a circulation pipe (16) communicating with both ends of the condensation pipe (11) for discharging the non-liquefied forming agent into the condensation pipe (11) again through the circulation pipe (16) for liquefaction.

5. A dewaxing device for sintering furnaces according to claim 1, characterized in that a linkage member is further arranged between the cleaning member (31) and the first pressure receiving member (331), said linkage member comprising a first linkage member (32) connected to the cleaning member (31); and a second linkage member (33) connected with the first pressure-receiving member (331), wherein the first linkage member (32) is hinged with the second linkage member (33).

6. A dewaxing device for sintering furnaces according to claim 5, characterized in that the sealing assembly (4) is further provided with a sliding member (42) connected between the sealing member (41) and the second pressure-bearing member (44), and the second linkage member (33) and the sliding member (42) are respectively provided with a first elastic member (34) and a second elastic member (43) for driving the cleaning member (31) and the sealing member (41) to return.

7. A dewaxing device for sintering furnaces according to claim 5, wherein the condensation pipe (11) and the storage section (51) are provided with a first socket (112) and a second socket (511) for mounting the second linkage member (33), respectively.

8. A dewaxing device for sintering furnaces according to claim 1, wherein a transmission member (63) is provided between the rotation member (61) and the driving member (65), one end of the transmission member (63) is provided with an engagement member (64) connected with the driving member (65), and the other end is provided with a stopper member (631) connected with the rotation member (61).