High-temperature nitrogen-filled drying oven

Abstract

The utility model discloses a high-temperature nitrogen charging oven which comprises an oven body, a nitrogen charging pipe and an oxygen content analyzer are arranged on the oven body, a flow switch is arranged on the nitrogen charging pipe, a drying chamber is arranged in the oven body, the nitrogen charging pipe extends to the drying chamber, a mechanical pressure release valve is arranged on the top of the oven body, and an operation box is arranged on the outer side wall of the oven body. The rotary drying frame is connected into the drying chamber through a rotating seat, and a plurality of placing plates are arranged on the rotary drying frame; the temperature control device comprises a fan, heaters and a cooling pipe, the heaters are located at the two ends of the fan, and the cooling pipe is located at the front end of the fan. When a sample needs to be dried, the rotating seat only needs to drive the rotating drying frame to rotate, the rotating drying frame is matched with the airflow fan at the top of the drying chamber to rapidly diffuse internal heat flow, the temperature uniformity of the drying frame is improved, and therefore it is guaranteed that a clean and uniform-temperature dry environment is formed in the drying box.

Description

Technical Field

[0001] The utility model belongs to the technical field of nitrogen-filled ovens, in particular to a high-temperature nitrogen-filled oven. Background Art

[0002] High temperature nitrogen-filled drying oven is a new type of electric heating drying oven that can create a clean constant temperature environment. It is mainly used in electronics, medical and health equipment, factories, colleges and universities, scientific research departments, etc. It uses stainless steel studios and stainless steel pipes as heating elements, and is filled with purified protective gas to exhaust unpurified gas, thereby forming a clean and temperature-uniform drying environment in the drying oven.

[0003] However, when the existing high-temperature nitrogen-filled oven is in use, the temperature distribution on the drying rack inside the drying oven is uneven due to the different positions of the heat sources provided, which affects the drying and purification effect. Utility Model Content

[0004] The utility model aims to propose a high-temperature nitrogen-filled oven to solve the problem that the temperature distribution on the drying rack inside the drying oven is uneven due to the different positions of the heat sources provided during use, thereby affecting the drying and purification effect.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solution: a high-temperature nitrogen-filled oven, comprising:

[0006] An oven body, wherein a nitrogen filling pipe and an oxygen content analyzer are provided on the oven body, a flow switch is provided on the nitrogen filling pipe, a drying chamber is provided in the oven body, the nitrogen filling pipe extends to the drying chamber, a mechanical pressure relief valve is provided on the top of the oven body, and an operation box is provided on the outer side wall of the oven body;

[0007] A rotary drying rack, the rotary drying rack is connected to the drying chamber via a rotating seat, and a plurality of placement plates are provided on the rotary drying rack;

[0008] The temperature control device comprises a fan, a heater and a cooling pipe, wherein the heater is located at both ends of the fan and the cooling pipe is located at the front end of the fan.

[0009] As a further description of the above technical solution:

[0010] A plurality of ventilation holes are arranged at the bottom of the drying chamber, and the plurality of ventilation holes are correspondingly connected to a plurality of temperature sensors.

[0011] As a further description of the above technical solution:

[0012] An airflow fan is arranged on the top of the rotary drying rack.

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

[0014] The fan is connected to the oven body via a high temperature resistant sealing shaft.

[0015] As a further description of the above technical solution:

[0016] The oven body is provided with an opening and closing door.

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

[0018] A pressure relief valve is arranged on the top of the oven body.

[0019] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0020] In the utility model, a rotating drying rack is provided, and a temperature control device is located on one side of the drying chamber. When the sample needs to be dried, the rotating seat only needs to drive the rotating drying rack to rotate, and the air flow fan on the top of the drying chamber is used to quickly diffuse the internal heat flow, thereby improving the temperature uniformity on the drying rack, thereby ensuring that a clean and temperature-uniform drying environment is formed in the drying box. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 This is a diagram of the door opening state of a high-temperature nitrogen-filled oven.

[0023] Figure 2 This is a diagram of a high-temperature nitrogen-filled oven with its door closed.

[0024] Figure 3 A cross-sectional view of a BB in a high-temperature nitrogen-filled oven.

[0025] Figure 4 A cross-sectional view of an AA in a high-temperature nitrogen-filled oven.

[0026] Figure 5 A side view of a high temperature nitrogen-filled oven.

[0027] Figure 6 A top view of a high-temperature nitrogen-filled oven.

[0028] Legend:

[0029] 1- oven body; 2- oxygen content analyzer; 3- flow switch; 4- drying chamber; 5- rotating drying rack; 6- rotating seat; 7- placing plate; 8- temperature control device; 81- fan; 82- heater; 83- cooling pipe; 9- ventilation hole; 10- temperature sensor; 11- air flow fan; 12- high temperature resistant sealing shaft; 13- opening and closing door; 14- pressure relief valve. DETAILED DESCRIPTION

[0030] 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.

[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0032] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. 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.

[0033] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0034] In the description of the embodiments of the present utility model, it should be noted that the terms "upper", "inner", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model.

[0035] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] See also Figure 1-6 The utility model provides a technical solution: a high-temperature nitrogen-filled oven, comprising:

[0037] An oven body 1, wherein a nitrogen filling pipe and an oxygen content analyzer 2 are provided on the oven body 1, a flow switch 3 is provided on the nitrogen filling pipe, a drying chamber 4 is provided in the oven body, the nitrogen filling pipe extends to the drying chamber 4, a mechanical pressure relief valve is provided on the top of the oven body 1, and an operation box is provided on the outer side wall of the oven body 1;

[0038] A rotary drying rack 5, the rotary drying rack 5 is connected to the drying chamber 4 via a rotating seat 6, and a plurality of placement plates 7 are provided on the rotary drying rack 5;

[0039] The temperature control device 8 comprises a fan 81 , a heater 82 and a cooling pipe 83 . The heater 82 is located at both ends of the fan 81 , and the cooling pipe 83 is located at the front end of the fan 81 .

[0040] A plurality of ventilation holes 9 are provided at the bottom of the drying chamber 4 , and the plurality of ventilation holes 9 are correspondingly connected to a plurality of temperature sensors 10 .

[0041] An airflow fan 11 is disposed on the top of the rotary drying rack 5 .

[0042] The fan 81 is connected to the oven body 1 via a high temperature resistant sealing shaft 12 .

[0043] The oven body 1 is provided with an opening and closing door 13 .

[0044] A pressure relief valve 14 is provided on the top of the oven body 1 .

[0045] Working principle: By setting up a rotating drying rack, the temperature control device is located on one side of the drying chamber. When the sample needs to be dried, it is only necessary to rotate the rotating seat to drive the rotating drying rack to rotate, and cooperate with the air flow fan on the top of the drying chamber to quickly diffuse the internal heat flow and improve the temperature uniformity on the drying rack, thereby ensuring a clean and temperature-uniform drying environment in the drying box.

[0046] 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 high temperature nitrogen-filled oven, characterized in that: include: An oven body, wherein a nitrogen filling pipe and an oxygen content analyzer are provided on the oven body, a flow switch is provided on the nitrogen filling pipe, a drying chamber is provided in the oven body, the nitrogen filling pipe extends to the drying chamber, a mechanical pressure relief valve is provided on the top of the oven body, and an operation box is provided on the outer side wall of the oven body; A rotary drying rack, the rotary drying rack is connected to the drying chamber via a rotating seat, and a plurality of placement plates are provided on the rotary drying rack; The temperature control device comprises a fan, a heater and a cooling pipe, wherein the heater is located at both ends of the fan and the cooling pipe is located at the front end of the fan.

2. A high temperature nitrogen-filled oven according to claim 1, characterized in that: A plurality of ventilation holes are arranged at the bottom of the drying chamber, and the plurality of ventilation holes are correspondingly connected to a plurality of temperature sensors.

3. A high temperature nitrogen-filled oven according to claim 2, characterized in that: An airflow fan is arranged on the top of the rotary drying rack.

4. A high temperature nitrogen-filled oven according to claim 1, characterized in that: The fan is connected to the oven body via a high temperature resistant sealing shaft.

5. A high temperature nitrogen-filled oven according to claim 4, characterized in that: The oven body is provided with an opening and closing door.

6. A high temperature nitrogen-filled oven according to claim 2, characterized in that: A pressure relief valve is arranged on the top of the oven body.

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