CN216192542U

CN216192542U - Double-side circulation aging furnace

Info

Publication number: CN216192542U
Application number: CN202122406809.2U
Authority: CN
Inventors: 陈前鹏
Original assignee: Daye Jiahe Energy Saving Equipment Co ltd
Current assignee: Daye Jiahe Energy Saving Equipment Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-04-05
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a double-lateral circulation aging furnace, which comprises a box body and a hot air circulation mechanism, wherein the box body comprises: its front end is open structure, and both ends symmetry is equipped with the carriage about the front surface of box, and sliding connection has the chamber door between two carriages, and air inlet department of box right flank lower extreme is equipped with the gas pipeline, and the inside middle part of box is equipped with the rack, and the inside diapire of box evenly is provided with the nozzle, and the air inlet of nozzle all is linked together through the connection chamber and the gas pipeline of box lower extreme, and the rear side inner wall lower extreme of box is equipped with some firearm, hot air circulation mechanism: set up in the rear end of box, the right flank of heated air circulation mechanism is equipped with the oxygen pipeline, wherein: still include the PLC controller, this bilateral direction circulation ageing furnace realizes the air cycle of bilateral direction, improves the utilization efficiency of the energy, avoids hot-air to reveal from the chamber door gap, blocks thermal loss.

Description

Double-side circulation aging furnace

Technical Field

The utility model relates to the technical field of heat treatment processing, in particular to a double-side circulation aging furnace.

Background

Aging treatment: the alloy workpiece is treated through solution treatment, cold plastic deformation or casting, and after forging, the alloy workpiece is heat treated at relatively high temperature or room temperature to maintain its performance, shape and size varying with time.

The fuel type of ageing furnace is natural gas, liquefied petroleum gas, diesel oil and coal, wherein because the gas is cleaner, the flue gas composition is difficult to cause the influence to the aluminum product, so can take the direct combustion heating mode, at the in-process of heating, in order to guarantee the normal combustion of gas, need circulate the air in the ageing furnace, avoid oxygen not enough.

However, many aging furnaces usually use a unilateral circulation mode to perform air circulation, heat is easy to lose in the air circulation process, the utilization efficiency of energy is reduced, and in the closed state of a box door, hot air is easy to flow out from a door seam to influence the regulation and control of the temperature of the box door.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a bilateral circulation aging oven, which realizes bilateral air circulation, avoids heat loss and hot air leakage from a gap of an oven door, and can effectively solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a double-side circulation aging furnace comprises a box body and a hot air circulation mechanism;

a box body: the front end of the box body is of an open structure, sliding frames are symmetrically arranged at the upper end and the lower end of the front surface of the box body, a box door is connected between the two sliding frames in a sliding manner, a gas pipeline is arranged at a gas inlet at the lower end of the right side surface of the box body, a placing frame is arranged in the middle of the interior of the box body, nozzles are uniformly arranged on the bottom wall of the interior of the box body, gas inlets of the nozzles are communicated with the gas pipeline through a connecting cavity at the lower end of the box body, and an igniter is arranged at the lower end of the inner wall at the rear side of the box body;

the hot air circulation mechanism comprises: the oxygen pipeline is arranged on the right side surface of the hot air circulating mechanism;

wherein: still include the PLC controller, the PLC controller sets up in the right flank of box, and the input electricity of PLC controller is connected in external power source, and the input electricity of some firearm is connected in the output of PLC controller, for the burning of gas provides the condition, realizes the air cycle of bilateral direction, avoids thermal loss, improves the utilization efficiency of the energy, avoids hot-air to reveal from the chamber door gap, blocks thermal loss, and the convenience is regulated and control the inside temperature of box.

Further, heated air circulation mechanism includes plate body, spiral wind hole, air-out chamber, opening and air inlet chamber, air-out chamber symmetry sets up in the inside upper end left and right sides of box, air inlet chamber symmetry sets up in the inside lower extreme left and right sides of box, the side that air-out chamber and air inlet chamber are close to the box center all is equipped with the opening, the plate body sets up in the trailing flank middle part of box, spiral wind hole symmetry sets up in the left and right sides both ends of plate body, the one end that the plate body center was kept away from to the spiral wind hole is linked together with adjacent air-out chamber respectively, the one end that the spiral wind hole is close to the plate body center is linked together with the air inlet chamber through the rectangular hole on the box respectively, provide the space for the circulation of air.

Further, heated air circulation mechanism still includes connecting hole and electric fan, the connecting hole sets up in the middle part of plate body, and the outer end of connecting hole all is linked together with the spiral wind hole, all is equipped with the electric fan in the commentaries on classics downthehole at both ends about the connecting hole, and the right-hand member of connecting hole is linked together with the oxygen pipeline that the plate body right flank set up, and the input electricity of electric fan is connected in the output of PLC controller, guarantees the normal burning of gas, realizes the circulation of air.

Further, the chamber door includes sliding plate, spout, guide post and closing plate, sliding plate lateral sliding connects between two carriages, and the front surface four corners of sliding plate all is equipped with the spout, and the equal sliding connection in inside of spout has the guide post, and the cylinder of guide post rear end passes the through-hole on the sliding plate respectively and is connected with the front surface fixed connection of closing plate, seals the front end of box.

Further, the closing plate includes heat insulating board, heat-resisting sealed pad and fire-resistant plate, the front surface of heat insulating board all with the cylinder fixed connection of guide post rear end, the trailing flank of heat insulating board is equipped with heat-resisting sealed pad, heat-resisting sealed pad's trailing flank is equipped with the fire-resistant plate, the fire-resistant plate is located the inside of box, avoids thermal loss.

Further, the chamber door still includes roof and rotary column, the rotary column passes through the bearing and rotates to be connected in the receipts of sliding plate trailing flank middle part and close the inslot, and the extrados right-hand member of rotary column is equipped with the roof of installing with the heat insulating board cooperation, and the right-hand member of rotary column passes the through-hole on the sliding plate and is equipped with the cardboard, makes heat-resisting sealed pad inseparabler with the laminating of box, improves sealed effect.

Furthermore, the box door further comprises springs, the springs are respectively sleeved on the outer arc surfaces of the guide posts, the front ends of the springs are respectively fixedly connected with the outer arc surfaces of the guide posts, and the rear ends of the springs are respectively fixedly connected with the inner arc surfaces of the sliding grooves, so that the heat insulation plates can be conveniently reset.

Compared with the prior art, the utility model has the beneficial effects that: the double-side circulation aging furnace has the following advantages:

1. start the electric fan through the PLC controller, make the air flow, the air of box upper end gets into out wind intracavity portion through the opening of upside, then flow into spiral wind downthehole portion respectively, simultaneously with outside hyperbaric oxygen through oxygen pipeline injection connecting hole inside, make oxygen mix with high-temperature gas, the gas after mixing gets into air inlet intracavity portion through the rectangular opening on the box, inside the opening reentrant box through the downside, for the burning of gas provides the condition, realize bilateral air cycle, avoid thermal loss, the utilization efficiency of the energy is improved.

2. At rotary column pivoted in-process, give the decurrent effort of heat insulating board through the roof, make guide post and heat insulating board remove backward, closely laminate heat-resisting sealed pad with the front surface of box, the refractory slab gets into inside the box, block the inside thermal loss of box through the heat insulating board, seal the front end of box through heat-resisting sealed pad, the damage that flame produced heat-resisting sealed pad can be avoided to the refractory slab, avoid hot-air to reveal from the chamber door gap, block thermal loss, the convenience is regulated and control the inside temperature of box.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the case according to the present invention;

FIG. 3 is a schematic structural view of a hot air circulating mechanism according to the present invention;

FIG. 4 is a side view of the door of the present invention;

FIG. 5 is an enlarged view of the structure of the present invention at A.

In the figure: the device comprises a box body 1, a sliding frame 2, a box door 3, a sliding plate 31, a sliding chute 32, a spring 33, a guide post 34, a sealing plate 35, a heat insulation plate 351, a heat-resistant sealing gasket 352, a fire-resistant plate 353, a top plate 36, a rotating column 37, a gas pipeline 4, a nozzle 5, an igniter 6, a placing frame 7, a hot air circulating mechanism 8, a plate body 81, a connecting hole 82, an electric fan 83, a spiral air hole 84, an air outlet cavity 85, a circulation hole 86, an air inlet cavity 87, an oxygen pipeline 9, a PLC 10 and a clamping plate 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present embodiment provides a technical solution: a double-side circulation aging furnace comprises a box body 1 and a hot air circulation mechanism 8;

a box body 1: the front end of the box body is of an open structure, a workpiece can conveniently enter, sliding frames 2 are symmetrically arranged at the upper end and the lower end of the front surface of the box body 1, a box door 3 is connected between the two sliding frames 2 in a sliding manner, the box door 3 can be conveniently opened, a gas pipeline 4 is arranged at the gas inlet at the lower end of the right side surface of the box body 1, gas can conveniently enter, a placing frame 7 is arranged in the middle of the inside of the box body 1 and is used for supporting the placement of the workpiece, nozzles 5 are uniformly arranged on the bottom wall of the inside of the box body 1, gas inlets of the nozzles 5 are communicated with the gas pipeline 4 through a connecting cavity at the lower end of the box body 1, an igniter 6 is arranged at the lower end of the inner wall at the rear side of the box body 1, high-pressure gas is sprayed out through the nozzles 5, the gas is ignited through the igniter 6 to heat the workpiece, the box door 3 comprises a sliding plate 31, a sliding chute 32, a guide column 34 and a sealing plate 35, the sliding plate 31 is transversely connected between the two sliding frames 2 in a sliding manner, four corners of the front surface of the sliding plate 31 are respectively provided with a sliding slot 32, guide posts 34 are slidably connected inside the sliding slots 32, a column at the rear end of each guide post 34 respectively penetrates through a through hole on the sliding plate 31 and is fixedly connected with the front surface of the sealing plate 35, guide support is provided for the movement of the sealing plate 35 through the cooperation of the guide posts 34 and the sliding slots 32, the sealing plate 35 comprises a heat insulation plate 351, a heat-resistant sealing gasket 352 and a fire-resistant plate 353, the front surface of the heat insulation plate 351 is fixedly connected with the column at the rear end of the guide post 34, the rear side surface of the heat insulation plate 351 is provided with the heat-resistant sealing gasket 352, the rear side surface of the heat-resistant sealing gasket 352 is provided with the fire-resistant plate 353, the fire-resistant plate 353 is positioned inside the box body 1, the heat loss inside the box body 1 is blocked through the heat insulation plate 351, the front end of the box body 1 is sealed through the heat-resistant sealing gasket 352, the fire-resistant plate 353 can avoid the damage of flames to the heat-resistant sealing gasket 352, the box door 3 further comprises a top plate 36 and a rotating post 37, the rotating column 37 is rotatably connected in a folding groove in the middle of the rear side surface of the sliding plate 31 through a bearing, a top plate 36 which is matched with the heat insulation plate 351 is arranged at the right end of the outer arc surface of the rotating column 37, the heat insulation plate 351 is provided with a backward acting force through the top plate 36, the guide column 34 and the heat insulation plate 351 move backward, the right end of the rotating column 37 penetrates through a through hole in the sliding plate 31 and is provided with a clamping plate 11, the left side surface of the clamping plate 11 is attached to the right side surface of the box body 1 to limit the leftward movement of the sliding plate 31, the box door 3 further comprises springs 33, the springs 33 are respectively sleeved on the outer arc surfaces of the guide column 34, the front ends of the springs 33 are respectively fixedly connected with the outer arc surfaces of the guide column 34, the rear ends of the springs 33 are respectively fixedly connected with the inner arc surfaces of the sliding grooves 32, and the sealing plate 35 is convenient to reset under the elastic force of the springs 33;

hot air circulation mechanism 8: set up in the rear end of box 1, the right flank of heated air circulation mechanism 8 is equipped with oxygen pipeline 9, heated air circulation mechanism 8 includes plate body 81, spiral wind hole 84, air-out chamber 85, opening 86 and air inlet chamber 87, air-out chamber 85 symmetry sets up in the inside upper end left and right sides of box 1, air inlet chamber 87 symmetry sets up in the inside lower extreme left and right sides of box 1, the side that air-out chamber 85 and air inlet chamber 87 are close to the box 1 center all is equipped with opening 86, plate body 81 sets up in the middle part of the rear side of box 1, spiral wind hole 84 symmetry sets up in the left and right both ends of plate body 81, the one end that spiral wind hole 84 kept away from the plate body 81 center is linked together with adjacent air-out chamber 85 respectively, the one end that spiral wind hole 84 is close to plate body 81 center is linked together with air inlet chamber 87 through the rectangular hole on box 1 respectively, heated air circulation mechanism 8 still includes connecting hole 82 and electric fan 83, connecting hole 82 sets up in the middle part of plate body 81, the outer ends of the connecting holes 82 are communicated with the spiral wind holes 84, electric fans 83 are arranged in rotary holes at the left end and the right end of the connecting holes 82, the right ends of the connecting holes 82 are communicated with the oxygen pipeline 9 arranged on the right side face of the plate body 81, the input ends of the electric fans 83 are electrically connected with the output end of the PLC 10, the electric fans 83 are started to enable air to flow, air at the upper end of the box body 1 enters the air outlet cavity 85 through the circulating holes 86 at the upper side and then respectively flows into the spiral wind holes 84, meanwhile, external high-pressure oxygen is injected into the connecting holes 82 through the oxygen pipeline 9 to enable the oxygen to be mixed with high-temperature gas to provide conditions for combustion of fuel gas, the mixed gas enters the air inlet cavity 87 through the rectangular holes in the box body 1 and enters the box body 1 again through the circulating holes 86 at the lower side to provide conditions for combustion of the fuel gas, and bilateral circulation heating is realized, the heat loss is avoided, and the utilization efficiency of energy is improved;

wherein: still include PLC controller 10, PLC controller 10 sets up in the right flank of box 1, and the input electricity of PLC controller 10 is connected in external power source, and the input electricity of some firearm 6 is connected in the output of PLC controller 10, the start-up and the stop of control overall device.

The working principle of the double-side circulation aging furnace provided by the utility model is as follows: when the heat insulation plate is used, the clamping plate 11 is rotated to enable the clamping plate 11 to be in a vertical state, the top plate 36 is also in a vertical state at the moment, under the action of the elastic force of the spring 33, the guide column 34 drives the heat insulation plate 351 to move forwards, the fire-resistant plate 353 leaves the interior of the box body 1, then the sliding plate 31 is pulled leftwards, the box door 3 is opened, a workpiece is placed on the placing frame 7, then the sliding plate 31 is reset, the box door 3 is closed, the clamping plate 11 is rotated to a horizontal state, the leftward movement of the sliding plate 31 is limited through the attachment of the left side surface of the clamping plate 11 and the right side surface of the box body 1, in the rotating process of the clamping plate 11, the heat insulation plate 351 is provided with backward acting force through the top plate 36, the guide column 34 and the heat insulation plate 351 move backwards, the spring 33 contracts to generate elastic force, the heat-resistant sealing gasket 352 is tightly attached to the front surface of the box body 1, the fire-resistant plate 353 enters the interior of the box body 1, the heat insulation plate 351 blocks the loss of the box body 1, the front end of the box body 1 is sealed through the heat-resistant sealing gasket 352, the fire-resistant plate 353 can avoid the damage of flame to the heat-resistant sealing gasket 352, during operation, external high-pressure gas is conveyed into a connecting cavity at the lower end of the box body 1 through the gas pipeline 4 and is sprayed out through the nozzle 5, then the ignition device 6 is controlled to be started through the PLC 10, the gas sprayed out from the nozzle 5 is ignited to heat a workpiece, then the electric fan 83 is started to enable air to flow, the air at the upper end of the box body 1 enters the air outlet cavity 85 through the circulation hole 86 at the upper side and then respectively flows into the spiral air holes 84, meanwhile, external high-pressure oxygen is injected into the connecting hole 82 through the oxygen pipeline 9 to enable the oxygen and the high-temperature gas to be mixed to provide conditions for the combustion of the gas, the mixed gas enters the air inlet cavity 87 through the rectangular hole on the box body 1 and then enters the box body 1 again through the circulation hole 86 at the lower side, the double-side circulation heating device provides conditions for combustion of fuel gas, realizes double-side circulation heating, avoids heat loss, and improves the utilization efficiency of energy.

It should be noted that the PLC controller 10 disclosed in the above embodiments may be a PLC controller of model S7-300, the igniter 6 and the electric fan 83 may be freely configured according to practical application scenarios, the igniter 6 may be a gas igniter of model BWGD-12, the electric fan 83 may be an electric fan of model FT8-20, and the PLC controller 10 controls the igniter 6 and the electric fan 83 to operate by methods commonly used in the art.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a two side direction circulation ageing furnace which characterized in that: comprises a box body (1) and a hot air circulating mechanism (8);

case (1): the front end of the box body is of an open structure, sliding frames (2) are symmetrically arranged at the upper end and the lower end of the front surface of the box body (1), a box door (3) is connected between the two sliding frames (2) in a sliding manner, a gas pipeline (4) is arranged at a gas inlet at the lower end of the right side surface of the box body (1), a placing frame (7) is arranged in the middle of the interior of the box body (1), nozzles (5) are uniformly arranged on the bottom wall of the interior of the box body (1), gas inlets of the nozzles (5) are communicated with the gas pipeline (4) through a connecting cavity at the lower end of the box body (1), and an igniter (6) is arranged at the lower end of the inner wall of the rear side of the box body (1);

hot air circulation mechanism (8): the oxygen pipeline (9) is arranged at the rear end of the box body (1) and the right side surface of the hot air circulating mechanism (8);

wherein: still include PLC controller (10), PLC controller (10) set up in the right flank of box (1), and the input electricity of PLC controller (10) is connected in external power source, and the input electricity of some firearm (6) is connected in the output of PLC controller (10).

2. The double side circulation aging furnace of claim 1, wherein: the hot air circulating mechanism (8) comprises a plate body (81), a spiral air hole (84), an air outlet cavity (85), a circulating hole (86) and an air inlet cavity (87), air outlet cavity (85) symmetry sets up in the inside upper end left and right sides of box (1), air inlet cavity (87) symmetry sets up in the inside lower extreme left and right sides of box (1), air outlet cavity (85) and air inlet cavity (87) all are equipped with opening (86) near the side at box (1) center, plate body (81) set up in the trailing flank middle part of box (1), spiral wind hole (84) symmetry sets up in both ends about plate body (81), the one end that plate body (81) center was kept away from in spiral wind hole (84) is linked together with adjacent air outlet cavity (85) respectively, the one end that spiral wind hole (84) are close to plate body (81) center is linked together with air inlet cavity (87) through the rectangular hole on box (1) respectively.

3. The double side circulation aging furnace of claim 2, wherein: hot air circulating mechanism (8) still include connecting hole (82) and electric fan (83), connecting hole (82) set up in the middle part of plate body (81), and the outer end of connecting hole (82) all is linked together with spiral wind hole (84), and the downthehole electric fan (83) that all is equipped with in the commentaries on classics of both ends about connecting hole (82), and the right-hand member of connecting hole (82) is linked together with oxygen pipeline (9) that plate body (81) right flank set up, and the input electricity of electric fan (83) is connected in the output of PLC controller (10).

4. The double side circulation aging furnace of claim 1, wherein: the box door (3) comprises a sliding plate (31), sliding grooves (32), guide columns (34) and a sealing plate (35), wherein the sliding plate (31) is transversely connected between the two sliding frames (2) in a sliding mode, the sliding grooves (32) are formed in four corners of the front surface of the sliding plate (31), the guide columns (34) are connected inside the sliding grooves (32) in a sliding mode, and cylinders at the rear ends of the guide columns (34) penetrate through holes in the sliding plate (31) respectively and are fixedly connected with the front surface of the sealing plate (35).

5. The double side circulation aging furnace of claim 4, wherein: the sealing plate (35) comprises a heat insulation plate (351), a heat-resistant sealing gasket (352) and a fire-resistant plate (353), the front surface of the heat insulation plate (351) is fixedly connected with the column at the rear end of the guide column (34), the rear side face of the heat insulation plate (351) is provided with the heat-resistant sealing gasket (352), the rear side face of the heat-resistant sealing gasket (352) is provided with the fire-resistant plate (353), and the fire-resistant plate (353) is located inside the box body (1).

6. The double side circulation aging furnace of claim 5, wherein: the box door (3) further comprises a top plate (36) and a rotating column (37), the rotating column (37) is rotatably connected in a folding groove in the middle of the rear side face of the sliding plate (31) through a bearing, the top plate (36) installed with the thermal insulation plate (351) in a matched mode is arranged at the right end of the outer arc face of the rotating column (37), and the right end of the rotating column (37) penetrates through a through hole in the sliding plate (31) and is provided with a clamping plate (11).

7. The double side circulation aging furnace of claim 4, wherein: the box door (3) further comprises springs (33), the outer arc surfaces of the guide columns (34) are respectively sleeved with the springs (33), the front ends of the springs (33) are respectively fixedly connected with the outer arc surfaces of the guide columns (34), and the rear ends of the springs (33) are respectively fixedly connected with the inner arc surfaces of the sliding grooves (32).