CN216899877U

CN216899877U - Oven for heating plastic particles

Info

Publication number: CN216899877U
Application number: CN202220164891.4U
Authority: CN
Inventors: 于方方
Original assignee: Zhuhai Sunda Special Plastic Co ltd
Current assignee: Zhuhai Sunda Special Plastic Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-07-05
Anticipated expiration: 2032-01-20

Abstract

The utility model relates to the technical field of plastic processing, in particular to an oven for heating plastic particles, which comprises an oven body, an oven cover body, a fire-resistant basin, a fire-resistant cover, a heating coil group and a material turntable, wherein a baking cavity is arranged in the oven body, the oven cover body is covered and sealed on an opening of the baking cavity, the fire-resistant basin is arranged in the baking cavity, and a heating cavity is arranged in the fire-resistant basin; the fire-resistant cover is arranged on the cover body and can be covered and buckled on the opening of the heating cavity; a heating coil group is disposed on an inner side of the fire-resistant cover; the material carousel can install with rotating on the bottom in heating chamber, be provided with a plurality of fixed positions that are used for supporting and spacing crucible on the material carousel. The oven has simple structure, is convenient for taking and placing the crucible and ensures that the crucible is heated uniformly.

Description

Oven for heating plastic particles

Technical Field

The utility model relates to the technical field of plastic detection, in particular to an oven for heating plastic particles.

Background

At present, plastic products are generally detected before processing, wherein carbonization detection is an important index of the plastic products. The method mainly comprises the steps of putting plastic particles into a specific container for high-temperature heating carbonization, then taking out a carbonized product for component analysis, and further analyzing specific performance parameters of the whole plastic material.

The prior plastic carbonization vessel generally adopts a crucible, and then the crucible is generally put into a heating furnace for heating. The existing heating furnace basically adopts an internal stacking mode to uniformly heat a batch of crucibles, so that the crucibles are inconvenient to take and place in the later period; meanwhile, the whole heating process is not uniform due to the fact that the crucibles are stacked and heated together, and the crucibles are easy to scatter, so that the heating effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model solves the technical problem, and aims to provide an oven for heating plastic particles, which is simple in structure, convenient for taking and placing a crucible and uniform in heating of the crucible.

In order to solve the problems, the technical scheme adopted by the utility model is as follows: the utility model provides an oven for heating plastic granules, includes furnace body and lid, be provided with the chamber of toasting in the furnace body, the lid cap seals on the opening of the chamber of toasting, still includes:

the fire-resistant basin is arranged in the baking cavity, and a heating cavity is arranged in the fire-resistant basin;

the fire-resistant cover is arranged on the cover body and can be covered and buckled on the opening of the heating cavity;

a heating coil group disposed on an inner side of the refractory cover;

the material turntable can be rotatably installed at the bottom of the heating cavity, and a plurality of fixing positions used for supporting and limiting the crucible are arranged on the material turntable.

Furthermore, the fire-resistant basin is located and is provided with the ring groove platform on the opening week side in heating chamber, be provided with on the fire-resistant lid and be used for the cooperation the bulge loop of ring groove platform.

Further, the bottom of furnace body is provided with the installing support, be provided with the insulating layer on the installing support, the insulating layer is sunken to be formed toast the chamber, the axis of rotation of material carousel pass insulating layer and installing support in proper order and with actuating mechanism in the furnace body is connected.

Furthermore, a temperature sensor is arranged in the fire-resistant basin and electrically connected with the driving mechanism.

Furthermore, a control panel is arranged on the furnace body and electrically connected with the temperature sensor and the driving mechanism.

Furthermore, the fireproof cover is provided with an installation cavity for accommodating the heating coil group, and an opening of the installation cavity is provided with a fireproof laminate for fixing the heating coil group.

Further, the fire-resistant basin and the fire-resistant cover are both made of fire-resistant materials.

Furthermore, one side of the furnace body is hinged to the cover body, a positioning column is arranged on the furnace body, and a positioning groove matched with the positioning column is formed in the cover body.

Furthermore, be provided with the carriage on the lid, fire-resistant lid is installed in the carriage.

Furthermore, all articulated on the both sides of furnace body have flexible bracing piece, two the upper end of flexible bracing piece all with the carriage corresponds one side and articulates.

The utility model has the following beneficial effects:

according to the oven for heating plastic particles, the fire-resistant basin and the fire-resistant cover which can be opened relatively are designed on the basis of the existing oven body and the existing cover body, so that the fire-resistant basin and the fire-resistant cover are used as the direct heating inner container of the whole oven, the heating effect of the whole oven is improved, and meanwhile, the heating and heat preservation effects are better. Simultaneously, a material turntable is designed to bear the crucible, so that the crucible can rotate along with the material turntable in the heating process, and the uniformity of the whole heating process is improved. In addition, heating coil group sets up on the inboard of fire-resistant lid for the heating region of whole heating coil group can cover whole material carousel, is convenient for realize the even heating.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of a closed state of an embodiment of the present invention;

FIG. 2 is a first schematic structural diagram illustrating an open state according to an embodiment of the present invention;

FIG. 3 is a second schematic structural view of an open state according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of an embodiment of the present invention;

fig. 5 is a cross-sectional view of another embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 and 5, an oven for heating plastic particles includes an oven body 100, a cover body 200, a fire-resistant basin 300, a fire-resistant cover 400, a heating coil group 500 and a heating coil group 500, wherein a baking chamber 110 is disposed in the oven body 100, the cover body 200 covers an opening of the baking chamber 110, the fire-resistant basin 300 is disposed in the baking chamber 110, and a heating chamber 310 is disposed therein; the fire-resistant cover 400 is arranged on the cover body 200 and can be covered and buckled on the opening of the heating cavity 310; a heating coil group 500 is provided on the inner side of the refractory cover 400; the material rotating disc 600 is rotatably installed at the bottom of the heating cavity 310, and a plurality of fixing positions 610 for supporting and limiting the crucible are arranged on the material rotating disc 600. Wherein, the fire-resistant basin 300 and the fire-resistant cover 400 are both made of fire-resistant materials. The refractory pot 300 is installed and fixed in the baking chamber 110, and in fact, the refractory pot 300 may be formed by firing refractory material, such as high temperature ceramic material, refractory clay, etc., in one piece.

It should be noted that the heating coil group 500 may be disposed at the bottom of the refractory pot 300 in addition to being mounted on the refractory cover 400, and of course, the heating coil group 500 may be disposed at the bottom of the refractory pot 300 and the refractory cover 400 at the same time, so as to realize the crucible fixing on the upper and lower two-layer heating material rotating disk 600. In addition, the material turntable 600 is made of high-temperature-resistant materials, so that the crucible can be supported conveniently, and the crucible on the material turntable can be driven to rotate around the rotation center of the material turntable 600, and the uniform heating effect is improved. Of course, in some embodiments, the heating coil group 500 may also be installed on the peripheral side of the refractory basin 300, but such a structural design makes it difficult to replace the heating coil group 500 at a later stage. This oven has the fire-resistant basin 300 and the fire-resistant lid 400 that can open relatively on the basis of current furnace body 100 and lid 200, utilizes fire-resistant basin 300 and fire-resistant lid 400 as the direct heating inner bag of whole oven like this, improves the heating effect of whole oven, and the while heating heat preservation effect is better. Meanwhile, a material turntable 600 is designed to bear the crucible, so that the crucible can rotate along with the material turntable 600 in the heating process, and the uniformity of the whole heating process is improved. Further, the heating coil group 500 is disposed on the inner side of the refractory cover 400 so that the heating region of the entire heating coil group 500 can cover the entire material turntable 600, facilitating uniform heating.

Referring further to fig. 1 to 4, in order to make the fastening between the fire-resistant basin 300 and the fire-resistant cover 400 more stable and reduce the loss of heat from the gap therebetween, a circular groove table 320 is disposed on the fire-resistant basin 300 on the opening periphery side of the heating chamber 310, and a convex ring 410 for matching with the circular groove table 320 is disposed on the fire-resistant cover 400. The matching of the ring groove table 320 and the convex ring 410 can ensure that the buckling position between the refractory basin 300 and the refractory cover 400 is correct, and meanwhile, the staggered gap design ensures that the heat in the heating coil group 500 cannot directly pass through the gap to be discharged outwards, thereby being convenient for realizing sealing. In this application, be transition fit between the lateral wall of bulge loop 410 and the lateral wall of ring groove platform 320, be convenient for like this both buckles firmly, reduces the heat loss of both junctions. In this application, to facilitate access to the crucible, the diameter of the opening of the refractory pot 300 is larger than the diameter of the bottom of the refractory pot 300.

Further, in order to facilitate installation and support of the components, the bottom of the furnace body 100 is provided with an installation support 120, the installation support 120 is provided with a heat insulation layer 130, the heat insulation layer 130 is recessed to form the baking cavity 110, and the rotation shaft of the material turntable 600 sequentially penetrates through the heat insulation layer 130 and the installation support 120 and is connected with the driving mechanism 140 in the furnace body 100. In fact, the mounting bracket 120 is a supporting framework of the whole furnace body 100, and plays a role in supporting and fixing. Meanwhile, in order to fit the shape of the fire-resistant basin 300, the heat insulation layer 130 is actually coated outside the fire-resistant basin 300, so that the heat loss of the whole structure can be further reduced. In this application, the driving mechanism 140 is a driving motor, the rotating shaft of the material turntable 600 is made of a high-temperature ceramic material by sintering or a high-temperature-resistant metal material, and then the rotating shaft penetrates through one end of the refractory basin 300 to be indirectly connected with the output end of the driving motor, and transmission can be realized between the two through a gear. In fact, the outer sidewall of the fire-resistant cover 400 is also provided with the thermal insulation layer 130, so that the loss of heat can be avoided.

With further reference to fig. 4, in order to further improve the temperature control of the whole oven, a temperature sensor 330 is disposed in the refractory basin 300, and the temperature sensor 330 is electrically connected to the driving mechanism 140. Wherein, the temperature sensor 330 can automatically control the start-stop driving mechanism 140 after detecting that the temperature in the refractory basin 300 reaches a certain stage, so as to realize automatic control and improve the uniform degree of heating. In a modified embodiment, wherein the furnace body 100 is provided with a control panel 150 for easy control, the control panel 150 is actually an operation panel, which is provided on the side wall of the furnace body 100. The control panel 150 is electrically connected to the temperature sensor 330 and the driving mechanism 140. The control panel 150 may adopt a touch screen design or a design of buttons and a display screen, so that the control by a worker is facilitated, and the convenience of operation is improved.

Referring further to fig. 3 and 4, in order to fix the heating coil group 500, in a modified embodiment of the present application, the refractory cover 400 is provided with a mounting cavity 420 receiving the heating coil group 500, and a refractory laminate 430 fixing the heating coil group 500 is provided on an opening of the mounting cavity 420. In fact, the primary function of the refractory laminate 430 is to limit and prevent the heating coil assembly 500 from deforming and bending into contact with the crucible on the material turntable 600 after heating. Further, the refractory laminate 430 may actually protect the heating coil assembly 500 to some extent, and also prevent a worker from carelessly contacting the heating coil assembly 500 during operation after the cover body 200 is opened. In practice, the installation cavity 420 is defined by the collar 410 in the refractory cap 400.

Referring to fig. 1 to 4, in order to enable the cover 200 to be correctly fastened to the furnace body 100, one side of the furnace body 100 is hinged to the cover 200, a positioning column 160 is disposed on the furnace body 100, and a positioning groove 210 matched with the positioning column 160 is disposed on the cover 200. In fact, in the process of opening the lid 200, the positioning column 160 is always located in the positioning groove 210, so that the lid 200 can be prevented from deviating from the furnace body 100 after being opened, and the fire-resistant lid 400 and the fire-resistant basin 300 can be correctly buckled.

Further, in the modification of the above embodiment, since the fire-resistant cover 400 has a certain weight, in order to support the fire-resistant cover 400 and keep it stable, the cover body 200 is provided with the support frame 220, and the fire-resistant cover 400 is installed in the support frame 220. In fact, the supporting frame 220 is hinged to the mounting bracket 120 of the furnace body 100, and meanwhile, the supporting frame 220 is located outside the fire-resistant cover 400 and is further coated with a heat-insulating material, so that the danger of scalding caused by the heat of the fire-resistant cover 400 being transferred to the cover body 200 can be avoided.

Further referring to fig. 5, in order to better open and support the whole structure of the cover 200, telescopic support rods 170 are hinged to both sides of the furnace body 100, and the upper ends of the two telescopic support rods 170 are hinged to the corresponding side of the support frame 220. The telescopic support bar 170 preferably has a structure of a hydraulic telescopic rod similar to a hydraulic push rod structure of a rear trunk of an automobile in the present application, and therefore, the present application is not described in detail herein.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an oven for heating plastic granules, includes furnace body and lid, be provided with the baking chamber in the furnace body, the lid cap seals on the opening of baking chamber, its characterized in that still includes:

a heating coil group disposed on an inner side of the refractory cover;

2. The oven for heating plastic granules of claim 1, wherein said fire-resistant basin is provided with a ring groove platform on the opening periphery side of the heating chamber, and said fire-resistant cover is provided with a convex ring for engaging said ring groove platform.

3. The oven for heating plastic granules according to claim 1, wherein a mounting bracket is arranged at the bottom of the oven body, a heat insulation layer is arranged on the mounting bracket, the heat insulation layer is recessed to form the baking cavity, and the rotating shaft of the material turntable sequentially penetrates through the heat insulation layer and the mounting bracket and is connected with a driving mechanism in the oven body.

4. An oven for heating plastic granules as claimed in claim 3, characterized in that a temperature sensor is arranged inside said refractory basin, said temperature sensor being electrically connected to said drive mechanism.

5. The oven of claim 4, wherein a control panel is disposed on the oven body, and the control panel is electrically connected to the temperature sensor and the driving mechanism.

6. The oven as claimed in claim 1, wherein the fire-resistant cover is provided with a mounting cavity for receiving the heating coil assembly, and an opening of the mounting cavity is provided with a fire-resistant laminate for fixing the heating coil assembly.

7. An oven for heating plastic granules according to any of claims 1 to 6, wherein the refractory pan and the refractory cover are both made of refractory material.

8. The oven for heating plastic granules according to claim 1, wherein one side of the oven body is hinged to the cover body, a positioning column is arranged on the oven body, and a positioning groove matched with the positioning column is arranged on the cover body.

9. An oven for heating plastic granules as claimed in claim 1, characterized in that a support frame is provided on the cover body, the fire-resistant cover being mounted in the support frame.

10. The oven for heating plastic granules of claim 9, wherein both sides of the oven body are hinged with telescopic support rods, and the upper ends of the two telescopic support rods are hinged with the corresponding side of the support frame.