Novel thermoluminescence annealing furnace

Abstract

The utility model discloses a novel thermoluminescence annealing furnace which comprises a furnace shell, and a feeding hole for allowing a heating plate to enter and exit is formed in the top of the furnace shell; the furnace cover is arranged at the top of the furnace shell and is used for sealing the feeding hole; the support assembly is used for placing the heating disc; and the heating ring is fixed on the bracket assembly. According to the utility model, the heating disc is firstly heated and then taken out, the thermoluminescence detector is immediately transferred into the heating disc, and the detector is annealed and heated, so that the problems of non-uniform temperature distribution and incomplete signal removal of the annealing disc in the annealing process are solved, the heating is stopped after the annealing disc is heated for a certain time, and the furnace cover is opened; and the heating disc and the thermoluminescence detector are taken out from the material inlet together, so that the problems that the temperature distribution of the heating disc is not uniform and signals cannot be cleared completely in the annealing process are solved, and the working efficiency of the annealing operation is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of annealing devices, in particular to a novel thermoluminescent annealing furnace. Background Art

[0002] Thermoluminescence annealing furnace is a thermoluminescence detector annealing device, which is used to clear the residual signal of the thermoluminescence detector and restore the sensitivity.

[0003] The existing Chinese utility model patent "An Intelligent Thermoluminescent Annealing Furnace" with application number 201721631783.9 discloses that "two heating plates 4 are provided in the furnace chamber 2 for placing the thermoluminescent elements to be annealed." When annealing multiple thermoluminescent detectors, tweezers are required to clamp the thermoluminescent detectors one by one into the heating plates, which is time-consuming and labor-intensive. In addition, uneven external force squeezing may lead to different degrees of dose signal clearing in the thermoluminescent detectors, which is not convenient for repeated annealing operations. Utility Model Content

[0004] The purpose of the utility model is to solve the technical problems mentioned in the above background technology, and to propose a new type of thermoluminescent annealing furnace, which adopts thermal radiation to heat, has uniform heating, is small and easy to use, and meets the annealing requirements of most thermoluminescent dosage elements.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A novel thermoluminescent annealing furnace, comprising:

[0007] A furnace shell, the top of which is provided with a material inlet for accommodating the heating plate to enter and exit;

[0008] A furnace cover, arranged on the top of the furnace shell, for closing the feed inlet;

[0009] A bracket assembly, used for placing a heating plate;

[0010] A heating coil is fixed on the bracket assembly;

[0011] The insulation layer is adhered to the inner wall of the furnace shell;

[0012] A thermocouple, mounted on the bracket assembly, is used to detect the temperature of the heating plate.

[0013] As a further description of the above technical solution:

[0014] The bracket assembly comprises:

[0015] Ring frame, used to fix the heating ring and place the heating plate;

[0016] C-shaped frames, at least three groups of C-shaped frames distributed in a circular array around the annular frame are arranged in the furnace shell, the bottom end of the C-shaped frame is fixed inside the furnace shell, and the annular frame is fixed on the top end of the C-shaped frame.

[0017] As a further description of the above technical solution:

[0018] The bracket assembly also includes an L-shaped frame, which is transversely fixed on the top side of the C-shaped frame, with the front end of the L-shaped frame extending toward the center of the annular frame, and the thermocouple is fixed on the front end of the L-shaped frame.

[0019] As a further description of the above technical solution:

[0020] The outer diameter of the heating plate and the inner diameter of the heating ring are both larger than the inner diameter of the annular frame, and the outer diameter of the heating plate is smaller than the inner diameter of the heating ring.

[0021] As a further description of the above technical solution:

[0022] A plurality of heat dissipation openings are provided on the shell plate at the rear side of the furnace shell.

[0023] As a further description of the above technical solution:

[0024] The front shell plate of the furnace shell is provided with an installation groove for installing the display screen.

[0025] In summary, due to the adoption of the above technical scheme, the beneficial effects of the utility model are: the heating plate is first heated and then taken out, the thermoluminescent detector is immediately transferred to the heating plate, and the detector is annealed and heated, which solves the problem of uneven temperature distribution of the annealing plate and unclean signal clearing during the annealing process. After heating for a certain period of time, the heating is stopped, the furnace cover is opened, and the heating plate and the thermoluminescent detector are taken out from the feed port together, which solves the problem of uneven temperature distribution of the heating plate and unclean signal clearing during the annealing process, and further improves the work efficiency of the annealing operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A schematic diagram of the internal structure of a novel thermoluminescent annealing furnace provided according to an embodiment of the utility model is shown;

[0027] Figure 2 The exploded view of the heating ring, heating plate and bracket assembly provided according to the embodiment of the utility model is shown;

[0028] Figure 3 An exploded schematic diagram of a furnace cover, a heating plate and a furnace shell provided according to an embodiment of the utility model is shown.

[0029] Legend:

[0030] 1. Furnace shell; 101. Feeding port; 102. Heat dissipation port; 103. Installation slot; 2. Furnace cover; 3. Heating plate; 4. Bracket assembly; 41. Ring frame; 42. C-shaped frame; 43. L-shaped frame; 5. Heating ring; 6. Insulation layer; 7. Thermocouple. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] See also Figure 1-3 The utility model provides a technical solution: a new type of thermoluminescent annealing furnace, comprising:

[0033] like Figure 1 and Figure 3 The furnace shell 1 shown in the figure has a material inlet 101 at the top of the furnace shell 1 for accommodating the heating plate 3 to enter and exit, a plurality of heat dissipation holes 102 are provided on the rear shell plate of the furnace shell 1 to prevent the furnace from exploding due to excessive pressure, and a mounting groove 103 for mounting a display screen is provided on the front shell plate of the furnace shell 1 to display the furnace temperature.

[0034] like Figure 1 and Figure 3 The furnace cover 2 shown is arranged on the top of the furnace shell 1 and is used to close the material inlet 101.

[0035] like Figure 1 and Figure 2 The bracket assembly 4 shown is used to place the heating plate 3. Specifically, the bracket assembly 4 includes:

[0036] The annular frame 41 is used to fix the heating ring 5 and place the heating plate 3;

[0037] C-shaped frames 42, at least three groups of C-shaped frames 42 are arranged in a circular array around the annular frame 41 in the furnace shell 1, the bottom end of the C-shaped frame 42 is fixed inside the furnace shell 1, and the annular frame 41 is fixed to the top end of the C-shaped frame 42;

[0038] An L-shaped frame 43, the L-shaped frame 43 is transversely fixed to the top side of the C-shaped frame 42, the front end of the L-shaped frame 43 extends toward the center of the annular frame 41, and the thermocouple 7 is fixed to the front end of the L-shaped frame 43;

[0039] Among them, the outer diameter of the heating plate 3 and the inner diameter of the heating coil 5 are both larger than the inner diameter of the annular frame 41, and the outer diameter of the heating plate 3 is smaller than the inner diameter of the heating coil 5. The heating plate 3 can be placed inside the heating coil 5 for uniform heating.

[0040] like Figure 1 The heat-insulating layer 6 shown is adhered to the inner wall of the furnace shell 1 to keep the furnace cavity temperature warm.

[0041] like Figure 1 and Figure 2 The thermocouple 7 shown is mounted on the bracket assembly 4 and is used to detect the temperature of the heating plate 3 . The thermocouple 7 is used to detect the temperature of the heating plate 3 and accurately measure and control the heating temperature of the heating plate 3 .

[0042] Working principle: When in use, first heat the heating plate 3 to 240°C and then take it out, immediately transfer the thermoluminescent detector to the heating plate 3, and anneal the detector, which solves the problem of uneven temperature distribution of the annealing plate and unclear signal clearing during the annealing process. After heating for a certain period of time, the heating is stopped, the furnace cover 2 is opened, and the heating plate 3 and the thermoluminescent detector are taken out from the feed port 101 together, which solves the problem of uneven temperature distribution of the heating plate 3 and unclear signal clearing during the annealing process, and further improves the work efficiency of the annealing operation.

[0043] The above description 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 within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A new type of thermoluminescent annealing furnace, characterized in that: include: A furnace shell (1), wherein a material inlet (101) for accommodating the heating plate (3) to enter and exit is provided at the top of the furnace shell (1); A furnace cover (2), arranged on the top of the furnace shell (1) and used to close the feed opening (101); A support assembly (4) for placing the heating plate (3); A heating coil (5) is fixed on the bracket assembly (4); A heat-insulating layer (6) is adhered to the inner wall of the furnace shell (1); A thermocouple (7) is mounted on the support assembly (4) and is used to detect the temperature of the heating plate (3).

2. A novel thermoluminescent annealing furnace according to claim 1, characterized in that: The support assembly (4) comprises: An annular frame (41) for fixing the heating ring (5) and placing the heating plate (3); C-shaped frames (42), wherein at least three groups of C-shaped frames (42) are arranged in a circular array around the annular frame (41) in the furnace shell (1), the bottom end of the C-shaped frame (42) is fixed inside the furnace shell (1), and the annular frame (41) is fixed on the top end of the C-shaped frame (42).

3. A novel thermoluminescent annealing furnace according to claim 2, characterized in that: The support assembly (4) further comprises an L-shaped frame (43), the L-shaped frame (43) being transversely fixed on the top side of the C-shaped frame (42), the front end of the L-shaped frame (43) extending toward the center of the annular frame (41), and the thermocouple (7) being fixed on the front end of the L-shaped frame (43).

4. A novel thermoluminescent annealing furnace according to claim 3, characterized in that: The outer diameter of the heating plate (3) and the inner diameter of the heating ring (5) are both larger than the inner diameter of the annular frame (41), and the outer diameter of the heating plate (3) is smaller than the inner diameter of the heating ring (5).

5. A novel thermoluminescent annealing furnace according to claim 1, characterized in that: A plurality of heat dissipation openings (102) are provided on the rear shell plate of the furnace shell (1).

6. A novel thermoluminescent annealing furnace according to claim 1, characterized in that: The front shell plate of the furnace shell (1) is provided with a mounting groove (103) for mounting a display screen.

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