A model drying system capable of utilizing waste heat from kiln

Abstract

The present invention discloses a model drying system capable of utilizing the waste heat of a kiln, and relates to the technical field of kiln drying, including a furnace body, a furnace door and an air inlet pipe and an exhaust pipe fixedly connected thereto, a heat exchange device installed on the outer wall of the air inlet pipe, and a separation mechanism and a connection mechanism. The present invention sets a separation mechanism, and when the furnace door is opened, the horizontal plate and the vertical plate are moved synchronously, the limit block slides in the limit groove, and the second spur gear rotates to drive the partition plate to move until the partition plate moves to block the air inlet, and at the same time, the baffle plate contacts the vertical plate to block the exhaust port, so that the vertical plate blocks the inner cavity of the furnace body, and the hot air entering the furnace body from the air inlet pipe no longer enters the upper cavity and the lower cavity, but directly enters the heat exchange device to participate in the preheating operation, thereby preventing the hot air from being ejected from the furnace door when the furnace door is opened, which not only causes waste caused by direct discharge of heat energy, but also easily causes burns to the operator.

Description

Technical Field

[0001] The invention relates to the technical field of kiln drying, in particular to a model drying system capable of utilizing the waste heat of a kiln. Background Art

[0002] When producing ceramic models, it is usually necessary to use a kiln for drying operations. When using the kiln, the exhaust hot exhaust gas is usually used to preheat the newly entering gas, so as to achieve the purpose of heating the newly entering air into the kiln body and reusing the waste heat; the preheated air is then heated up again by the heating equipment, and can quickly reach the preset temperature under the premise of consuming less energy, and enter the furnace body through the air intake pipe to implement the drying operation. However, when the furnace door is opened and the model is taken and placed, the hot air is easily ejected directly from the air intake pipe toward the opening, which not only wastes heat energy due to the direct discharge of heat, but also easily causes burns to the operator. In order to prevent the hot air from directly reaching the furnace door when the furnace door is opened, a model drying system that can utilize the waste heat of the kiln is provided. Summary of the invention

[0003] The object of the present invention is to provide a model drying system capable of utilizing the waste heat of a kiln in order to prevent hot air from directly passing to the furnace door when the furnace door is opened.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a model drying system capable of utilizing the waste heat of a kiln, comprising a furnace body, a furnace door being provided at one end of the furnace body, an air inlet pipe and an exhaust pipe being fixedly connected at the other end of the furnace body, a heat exchange device, a fan and a heating device being sequentially installed on the outer wall of the air inlet pipe, one end of the exhaust pipe being connected to the heat exchange device, an air outlet pipe being provided on the outer wall of the heat exchange device, a slide rail being symmetrically fixedly connected to the inner wall of the slide rail, a support plate being slidably connected to the inner wall of the slide rail, the inner wall of the furnace body being shielded by a separation mechanism, and the furnace door being installed by a connection mechanism;

[0005] The separation mechanism includes a vertical plate, which is slidably connected to the inner wall of the furnace body, and the outer wall of the vertical plate is fixedly connected to a horizontal plate. The outer wall of the vertical plate is provided with an air inlet and an exhaust port, and the exhaust port is located above the air inlet.

[0006] As a further solution of the present invention: the separation mechanism also includes a baffle, which is fixedly connected to the top of the inner wall of the furnace body, and the two sides of the vertical plate are fixedly connected to the limiting blocks, the inner wall of the furnace body is provided with limiting grooves for the limiting blocks to slide, the outer wall of the vertical plate is fixedly connected to the limiting frame, the inner wall of the limiting frame is slidably connected with a partition, the internal rotation of the vertical plate is connected to a first spur gear, the first spur gear is in contact with the partition, one end of the first spur gear is fixedly connected to a connecting shaft, one end of the connecting shaft is fixedly connected to a second spur gear, the second spur gear extends out of the limiting block, and one end of the horizontal plate is fixedly connected to a movable rod.

[0007] As a further scheme of the present invention: the connecting mechanism includes a connecting groove, the connecting groove is opened at one end of the furnace body, the inner wall of the connecting groove is provided with a fixed groove, the outer wall of the furnace door is provided with a movable groove, the outer wall of the movable groove is provided with a groove at the top of the movable groove, the furnace door is slidably connected to a fixed block extending to the top of the furnace door, the bottom end of the fixed block is fixedly connected to an elastic sheet, the furnace door is slidably connected to a pushing frame on one side of the fixed block, the pushing frame extends to the inner cavity of the groove, the top of the cross plate is fixedly connected to a protrusion, the two sides of the cross plate are provided with positioning grooves, the furnace body is slidably connected to a positioning block, one end of the positioning block extends to the inner cavity of the connecting groove, and the other end of the positioning block extends to the inner cavity of the furnace body, and a positioning spring is connected between the positioning block and the furnace body.

[0008] As a further solution of the present invention: the outer wall of the vertical plate is in contact with the inner wall of the furnace body, and the outer wall of the limiting block is in contact with the inner wall of the limiting groove.

[0009] As a further solution of the present invention: the inner wall of the limiting groove is provided with a second tooth groove, and the second tooth groove is meshed with the second spur gear.

[0010] As a further solution of the present invention: the inner wall of the limit frame is in contact with the outer wall of the partition, the outer wall of the partition is provided with a first tooth groove, and the first tooth groove is meshed with the first spur gear.

[0011] As a further solution of the present invention: the outer wall of the movable rod is in contact with the inner wall of the movable groove, and a handle is fixedly connected to the outer wall of the furnace door.

[0012] As a further solution of the present invention: the outer wall of the furnace door fits with the inner wall of the connecting groove, the top of the fixing block is provided with a first inclined surface, and the outer wall of the top of the fixing block fits with the inner wall of the fixing groove.

[0013] As a further solution of the present invention: the inner wall of the groove is in contact with the outer wall of the protrusion, a second inclined surface is provided on one side of the fixing block, and the pushing frame is in contact with the second inclined surface.

[0014] As a further solution of the present invention: the positioning block is in a C-shape, and a third inclined surface is provided at one end of the positioning block located in the inner cavity of the connecting groove.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. By setting up a separation mechanism, when the furnace door is opened, the horizontal plate and the vertical plate move synchronously, the limit block slides in the limit groove, and the second spur gear rotates to drive the partition to move until the partition moves to block the air inlet. At the same time, the baffle contacts the vertical plate to block the exhaust port, so that the vertical plate separates the inner cavity of the furnace body. The hot air entering the furnace body from the air inlet pipe no longer enters the upper cavity and the lower cavity, but directly enters the heat exchange equipment to participate in the preheating operation, thereby preventing the hot air from spraying out from the furnace door when the furnace door is opened, which not only causes waste due to direct discharge of heat energy, but also easily causes burns to the operator.

[0017] 2. By setting a connecting mechanism, the movable rod is pulled to move, and the displacement of the movable rod drives the horizontal plate to move, and the displacement of the horizontal plate drives the protrusion to move, and the protrusion moves into the groove, and the protrusion pushes the pushing frame to move, and the displacement of the pushing frame drives the fixed block to move, and the fixed block moves out of the fixed groove, canceling the fixation of the furnace door, which is convenient for rapid opening and closing of the furnace door, and when the furnace door is removed, the positioning block is engaged into the positioning groove to fix the position of the horizontal plate, so as to prevent the horizontal plate from loosening when the pallet is taken in and placed, causing hot air to spray out. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the present invention;

[0019] Figure 2 It is a schematic diagram of the internal structure of the furnace body of the present invention;

[0020] Figure 3 It is a schematic diagram of the internal structure of the vertical plate of the present invention;

[0021] Figure 4 It is a schematic diagram of the installation of the support plate of the present invention;

[0022] Figure 5 For the present invention Figure 4 The enlarged view of point A in the middle;

[0023] Figure 6 It is a schematic diagram of the internal structure of the furnace door of the present invention;

[0024] Figure 7It is a schematic diagram of the installation of the positioning block of the present invention.

[0025] In the figure: 1, furnace body; 2, furnace door; 3, air inlet pipe; 4, exhaust pipe; 5, separation mechanism; 501, vertical plate; 502, horizontal plate; 503, air inlet; 504, exhaust port; 505, baffle; 506, limit block; 507, limit groove; 508, limit frame; 509, partition; 510, first straight gear; 511, connecting shaft; 512, second straight gear; 513, movable rod; 6 , connecting mechanism; 601, connecting groove; 602, fixed groove; 603, movable groove; 604, groove; 605, fixed block; 606, elastic sheet; 607, pushing frame; 608, protrusion; 609, positioning groove; 610, positioning block; 611, positioning spring; 7, heating equipment; 8, fan; 9, heat exchange equipment; 10, exhaust pipe; 11, slide rail; 12, support plate; 13, handle. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The following is an explanation of an embodiment of the present invention based on the overall structure of the present invention.

[0028] See also Figures 1 to 7In an embodiment of the present invention, a model drying system capable of utilizing the waste heat of a kiln includes a furnace body 1, a furnace door 2 is provided at one end of the furnace body 1, an air inlet pipe 3 and an exhaust pipe 4 are fixedly connected at the other end of the furnace body 1, a heat exchange device 9, a fan 8 and a heating device 7 are sequentially installed on the outer wall of the air inlet pipe 3, one end of the exhaust pipe 4 is connected to the heat exchange device 9, an air outlet pipe 10 is provided on the outer wall of the heat exchange device 9, a slide rail 11 is symmetrically fixedly connected to the inner wall of the furnace body 1, a support plate 12 is slidably connected to the inner wall of the slide rail 11, the inner wall of the furnace body 1 is shielded by a separation mechanism 5, and the furnace door 2 is installed by a connection mechanism 6.

[0029] In this embodiment: the model is placed on the support plate 12, and the fan 8 is turned on to drive the outside air into the air inlet pipe 3, and the air is heated by the heating device 7 to reach a preset temperature before entering the furnace body 1 to dry the model; then the exhausted hot exhaust gas enters the heat exchange device 9 through the exhaust pipe 4, and the hot exhaust gas preheats the air that has just entered the air inlet pipe 3, and is finally discharged through the exhaust pipe 10.

[0030] Please refer to Figures 1 to 4 The separation mechanism 5 includes a vertical plate 501, which is slidably connected to the inner wall of the furnace body 1, and a horizontal plate 502 is fixedly connected to the outer wall of the vertical plate 501. An air inlet 503 and an exhaust port 504 are provided on the outer wall of the vertical plate 501, and the exhaust port 504 is located above the air inlet 503. The separation mechanism 5 also includes a baffle 505, which is fixedly connected to the top of the inner wall of the furnace body 1. The two sides of the vertical plate 501 are fixedly connected to the limit blocks 506, and the inner wall of the furnace body 1 is provided with limit blocks 506 for sliding. The outer wall of the vertical plate 501 is fixedly connected to the limiting frame 508, the inner wall of the limiting frame 508 is slidably connected to the partition 509, the internal rotation of the vertical plate 501 is connected to the first spur gear 510, the first spur gear 510 is in contact with the partition 509, one end of the first spur gear 510 is fixedly connected to the connecting shaft 511, one end of the connecting shaft 511 is fixedly connected to the second spur gear 512, the second spur gear 512 extends out of the limiting block 506, and one end of the horizontal plate 502 is fixedly connected to the movable rod 513.

[0031] In this embodiment: when drying, the vertical plate 501 fits against the inner wall of the furnace body 1, and the vertical plate 501 and the horizontal plate 502 divide the inner cavity of the furnace body 1 into an upper cavity and a lower cavity. The hot air in the air inlet pipe 3 enters the lower cavity through the air inlet port 503 to dry the model, and then the hot air enters the upper cavity and enters the exhaust pipe 4 through the exhaust port 504 to be discharged.

[0032] When the furnace door 2 is opened, the movable rod 513 is pulled to move, and the movement of the movable rod 513 drives the horizontal plate 502 to move, and the displacement of the horizontal plate 502 drives the vertical plate 501 to move synchronously, and the displacement of the vertical plate 501 drives the limit block 506 to slide in the limit groove 507, and the displacement of the limit block 506 drives the second spur gear 512 to move along the limit groove 507, and the second spur gear 512 rotates while moving, and the rotation of the second spur gear 512 drives the connecting shaft 511 to rotate, and the rotation of the connecting shaft 511 drives the first spur gear 510 to rotate, and the rotation of the first spur gear 510 drives The partition 509 is displaced and slides in the limit frame 508 until the partition 509 is displaced to block the air inlet 503. At the same time, the baffle 505 contacts the vertical plate 501 to block the exhaust port 504, so that the vertical plate 501 separates the inner cavity of the furnace body 1. The hot air entering the furnace body 1 from the air inlet pipe 3 can be directly discharged through the exhaust pipe 4. The hot air no longer enters the upper cavity and the lower cavity, but directly enters the heat exchange equipment 9 to participate in the preheating operation, avoiding the waste caused by direct discharge of heat energy, and preventing the hot air from spraying out from the furnace door 2 when the furnace door 2 is opened, causing burns to the operator.

[0033] Please refer to Figures 4 to 7 The connecting mechanism 6 includes a connecting groove 601, which is opened at one end of the furnace body 1, and a fixed groove 602 is opened on the inner wall of the connecting groove 601, and a movable groove 603 is opened on the outer wall of the furnace door 2. The outer wall of the movable groove 603 is located at the top of the movable groove 603 and has a groove 604. The furnace door 2 is internally slidably connected with a fixed block 605 extending to the top of the furnace door 2, and the bottom end of the fixed block 605 is fixedly connected with an elastic sheet 606. The furnace door 2 is internally located on one side of the fixed block 605 and is slidably connected with a pushing frame 607, which extends to the inner cavity of the groove 604. The top of the cross plate 502 is fixedly connected with a protrusion 608, and both sides of the cross plate 502 are provided with positioning grooves 609. The furnace body 1 is internally slidably connected with a positioning block 610, one end of the positioning block 610 extends to the inner cavity of the connecting groove 601, and the other end of the positioning block 610 extends to the inner cavity of the furnace body 1, and a positioning spring 611 is connected between the positioning block 610 and the furnace body 1.

[0034] In this embodiment, when installing the oven door 2, the oven door 2 is moved into the connecting groove 601 until the fixing block 605 contacts the fixing groove 602. The fixing block 605 is displaced and engaged into the fixing groove 602 by the elastic force of the elastic sheet 606, thereby fixing the oven door 2.

[0035] When the furnace door 2 is opened, the movable rod 513 is pulled to move, and the displacement of the movable rod 513 drives the horizontal plate 502 to move, and the displacement of the horizontal plate 502 drives the protrusion 608 to move, and the protrusion 608 moves into the groove 604, and the protrusion 608 pushes the pushing frame 607 to move, and the displacement of the pushing frame 607 drives the fixed block 605 to move, and the fixed block 605 moves out of the fixed groove 602, canceling the fixation of the furnace door 2, so that the furnace door 2 can be opened and closed quickly.

[0036] When the furnace door 2 is removed, the positioning block 610 is engaged into the positioning groove 609 by the elastic force of the positioning spring 611, and the position of the horizontal plate 502 is fixed to prevent the horizontal plate 502 from loosening when the support plate 12 is taken or placed, thereby causing hot air to spray out; when the furnace door 2 is installed, the furnace door 2 contacts the positioning block 610, pushing the positioning block 610 to move and compressing the positioning spring 611, so that the positioning block 610 moves out of the positioning groove 609, canceling the fixation of the horizontal plate 502, so that the horizontal plate 502 and the vertical plate 501 can be moved.

[0037] Please refer to Figures 2 to 4 The outer wall of the vertical plate 501 is in contact with the inner wall of the furnace body 1 , and the outer wall of the limiting block 506 is in contact with the inner wall of the limiting groove 507 .

[0038] In this embodiment, the movable rod 513 is pulled to move, the movement of the movable rod 513 drives the horizontal plate 502 to move, the displacement of the horizontal plate 502 drives the vertical plate 501 to move synchronously, and the displacement of the vertical plate 501 drives the limit block 506 to slide in the limit groove 507.

[0039] Please refer to Figures 2 to 4 The inner wall of the limiting groove 507 is provided with a second tooth groove, and the second tooth groove is meshed with the second spur gear 512.

[0040] In this embodiment, the displacement of the limiting block 506 drives the second spur gear 512 to be displaced along the limiting groove 507 , and the second spur gear 512 moves to rotate, and the rotation of the second spur gear 512 drives the connecting shaft 511 to rotate.

[0041] Please refer to Figures 2 to 4 The inner wall of the limiting frame 508 is in contact with the outer wall of the partition 509 . The outer wall of the partition 509 is provided with a first tooth groove, and the first tooth groove is meshed with the first spur gear 510 .

[0042] In this embodiment, the second spur gear 512 rotates to drive the connecting shaft 511 to rotate, the connecting shaft 511 rotates to drive the first spur gear 510 to rotate, the first spur gear 510 rotates to drive the partition plate 509 to move, and the partition plate 509 slides in the limiting frame 508.

[0043] Please refer to Figures 4 to 6 The outer wall of the movable rod 513 fits with the inner wall of the movable groove 603 , and the outer wall of the furnace door 2 is fixedly connected with a handle 13 .

[0044] In this embodiment, the furnace door 2 is driven to move by the handle 13 , and when the furnace door 2 moves, the movable rod 513 slides in the movable groove 603 .

[0045] Please refer to Figures 4 to 7 The outer wall of the furnace door 2 fits with the inner wall of the connecting groove 601 , the top of the fixing block 605 is provided with a first inclined surface, and the outer wall of the top of the fixing block 605 fits with the inner wall of the fixing groove 602 .

[0046] In this embodiment, the oven door 2 is moved into the connecting groove 601 until the fixing block 605 contacts the fixing groove 602 . The fixing block 605 is displaced and engaged into the fixing groove 602 by the elastic force of the elastic sheet 606 , thereby fixing the oven door 2 .

[0047] Please refer to Figures 4 to 7 The inner wall of the groove 604 is in contact with the outer wall of the protrusion 608 , and a second inclined surface is provided on one side of the fixing block 605 , and the pushing frame 607 is in contact with the second inclined surface.

[0048] In this embodiment: the movable rod 513 is pulled to displace, the displacement of the movable rod 513 drives the horizontal plate 502 to displace, the displacement of the horizontal plate 502 drives the protrusion 608 to displace, the protrusion 608 displaces into the groove 604, the protrusion 608 pushes the pushing frame 607 to displace, the displacement of the pushing frame 607 pushes the fixed block 605 to displace, the fixed block 605 moves out of the fixed groove 602, and the fixation of the furnace door 2 is cancelled.

[0049] Please refer to Figures 4 to 7 The positioning block 610 is in a C-shape, and a third inclined surface is provided at one end of the positioning block 610 located in the inner cavity of the connecting groove 601 .

[0050] In this embodiment: when the furnace door 2 is removed, the positioning block 610 is engaged into the positioning groove 609 by the elastic force of the positioning spring 611, thereby fixing the position of the cross plate 502; when the furnace door 2 is installed, the furnace door 2 contacts the positioning block 610, pushing the positioning block 610 to move, and the positioning block 610 moves out of the positioning groove 609, thereby canceling the fixation of the cross plate 502.

[0051] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A model drying system capable of utilizing waste heat from a kiln, comprising a furnace body (1), one end of the furnace body (1) being provided with a furnace door (2), the other end of the furnace body (1) being fixedly connected with an air inlet pipe (3) and an exhaust pipe (4), the outer wall of the air inlet pipe (3) being sequentially mounted with a heat exchange device (9), a fan (8) and a heating device (7), one end of the exhaust pipe (4) being connected to the heat exchange device (9), the outer wall of the heat exchange device (9) being provided with an air outlet pipe (10), the inner wall of the furnace body (1) being symmetrically fixedly connected with a slide rail (11), the inner wall of the slide rail (11) being slidably connected with a support plate (12), characterized in that: The inner wall of the furnace body (1) is shielded by a separation mechanism (5), and the furnace door (2) is installed by a connection mechanism (6); The separation mechanism (5) comprises a vertical plate (501), the vertical plate (501) is slidably connected to the inner wall of the furnace body (1), the outer wall of the vertical plate (501) is fixedly connected to a horizontal plate (502), the outer wall of the vertical plate (501) is provided with an air inlet (503) and an exhaust port (504), and the exhaust port (504) is located above the air inlet (503); The separation mechanism (5) further comprises a baffle (505), wherein the baffle (505) is fixedly connected to the top of the inner wall of the furnace body (1), both sides of the vertical plate (501) are fixedly connected to limit blocks (506), the inner wall of the furnace body (1) is provided with limit grooves (507) for the limit blocks (506) to slide, the outer wall of the vertical plate (501) is fixedly connected to a limit frame (508), and the inner wall of the limit frame (508) is slidably connected to a partition (509), A first spur gear (510) is rotatably connected inside the vertical plate (501), the first spur gear (510) is in contact with the partition plate (509), one end of the first spur gear (510) is fixedly connected to a connecting shaft (511), one end of the connecting shaft (511) is fixedly connected to a second spur gear (512), the second spur gear (512) extends out of the limit block (506), and one end of the horizontal plate (502) is fixedly connected to a movable rod (513); The connecting mechanism (6) comprises a connecting groove (601), the connecting groove (601) being provided at one end of the furnace body (1), the inner wall of the connecting groove (601) being provided with a fixing groove (602), the outer wall of the furnace door (2) being provided with a movable groove (603), the outer wall of the movable groove (603) being provided with a groove (604) at the top end of the movable groove (603), the interior of the furnace door (2) being slidably connected to a fixing block (605) extending to the top of the furnace door (2), the bottom end of the fixing block (605) being fixedly connected to an elastic sheet (606), the interior of the furnace door (2) being located at the fixing block A push frame (607) is slidably connected to one side of (605), and the push frame (607) extends to the inner cavity of the groove (604). A protrusion (608) is fixedly connected to the top of the cross plate (502), and positioning grooves (609) are provided on both sides of the cross plate (502). A positioning block (610) is slidably connected to the inside of the furnace body (1), and one end of the positioning block (610) extends to the inner cavity of the connecting groove (601), and the other end of the positioning block (610) extends to the inner cavity of the furnace body (1). A positioning spring (611) is connected between the positioning block (610) and the furnace body (1).

2. A model drying system capable of utilizing waste heat from a kiln according to claim 1, characterized in that: The outer wall of the vertical plate (501) fits with the inner wall of the furnace body (1), and the outer wall of the limiting block (506) fits with the inner wall of the limiting groove (507).

3. The model drying system capable of utilizing the waste heat of a kiln according to claim 1, characterized in that: The inner wall of the limiting groove (507) is provided with a second tooth groove, and the second tooth groove is meshed with the second spur gear (512).

4. The model drying system capable of utilizing the waste heat of a kiln according to claim 1, characterized in that: The inner wall of the limiting frame (508) is in contact with the outer wall of the partition (509); the outer wall of the partition (509) is provided with a first tooth groove, and the first tooth groove is meshed with the first spur gear (510).

5. The model drying system capable of utilizing the waste heat of a kiln according to claim 1, characterized in that: The outer wall of the movable rod (513) fits into the inner wall of the movable groove (603), and a handle (13) is fixedly connected to the outer wall of the furnace door (2).

6. The model drying system capable of utilizing the waste heat of a kiln according to claim 1, characterized in that: The outer wall of the furnace door (2) fits with the inner wall of the connecting groove (601), the top of the fixing block (605) is provided with a first inclined surface, and the outer wall of the top of the fixing block (605) fits with the inner wall of the fixing groove (602).

7. The model drying system capable of utilizing the waste heat of a kiln according to claim 1, characterized in that: The inner wall of the groove (604) fits in contact with the outer wall of the protrusion (608); a second inclined surface is provided on one side of the fixing block (605); and the pushing frame (607) is in contact with the second inclined surface.

8. The mold drying system capable of utilizing the waste heat of a kiln according to claim 1, characterized in that: The positioning block (610) is in a C-shape, and a third inclined surface is provided at one end of the positioning block (610) located in the inner cavity of the connecting groove (601).

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