Pure air heater

Abstract

The utility model discloses a pure air heater which comprises a quartz glass tank, a quartz heating tube, an air inlet and an air outlet. The quartz glass tank comprises an outer tank body and a plurality of accommodating column cavities which are integrated; a tank body containing cavity is formed in the outer tank body, and the containing column cavity and the tank body containing cavity are isolated from each other. In the working process, gas does not make contact with the heating film containing metal components, the electrode wire and other components in the whole process. Thus, hot air output by the air heater is high in cleanliness and free of any metal ions, the air heater is remarkable in application advantage when applied to production lines of photovoltaics, chips and the like in some specific fields, and when the clean hot air output by the air heater is used for blowing and drying work, it can be guaranteed that the quality of products is stable, the products are not prone to defects, and the yield is high.

Description

Technical Field

[0001] This utility model relates to the field of gas heaters, specifically to a pure air heater. Background Technology

[0002] In some specialized production processes, hot air is needed to dry the processed parts. This heating of the gas is often achieved using a hot air blower. A common method is electric heating wire heating, where gas is introduced into the internal channels of the hot air blower, and the electric heating wire, when energized, heats the gas to produce hot air.

[0003] Currently, commercially available hot air blowers generally do not impose restrictions on manufacturing materials, and the equipment is mostly made of various materials such as metals and plastics. For example, the heating wire and heating film contain metal components, and the electrodes and wires inside the hot air blower are all made of metal. However, for the production needs of some special equipment, it is required that the heating gas does not contain metal ions. For example, in the production process of photovoltaics and chips, air or nitrogen needs to be heated on the production line. If the heating gas contains metal ions, it will lead to quality defects in photovoltaic panels and chip products. However, for the manufacturing and assembly of hot air blowers, it is difficult to avoid the presence of metal materials and components in the components. Therefore, when the above-mentioned special equipment uses existing conventional hot air blowers for blowing and drying, product quality instability often occurs, leading to loss of production efficiency, which has become a problem that urgently needs to be solved. Utility Model Content

[0004] To overcome the shortcomings of the existing technology, the purpose of this utility model is to provide a pure air heater, which can solve the problem that the hot air blown out by the existing hot air blower contains metal ions, thus affecting the drying quality.

[0005] This utility model is achieved through the following technical solution:

[0006] A pure air heater includes: a quartz glass jar, comprising an integral outer jar body and a plurality of accommodating cavities fixed within the outer jar body; the outer jar body has a jar cavity inside, and the ends of the accommodating cavities extend to the ends of the outer jar body to isolate the accommodating cavities from the jar cavity; a plurality of quartz heating tubes with heating films coated on their outer walls, each quartz heating tube being tightly inserted into one of the accommodating cavities, the outer walls of the quartz heating tubes being fitted against the inner walls of the accommodating cavities to isolate the quartz heating tubes from the jar cavity; an air inlet located on one side of the quartz glass jar, the air inlet communicating with the jar cavity; and an air outlet located on the side of the quartz glass jar opposite to the air inlet, the air outlet communicating with the jar cavity.

[0007] Furthermore, the pure air heater also includes: a sealing block; the sealing block is tightly attached to the end of the outer tank, and the end of the quartz heating tube is inserted into the interior of the sealing block.

[0008] Furthermore, the pure air heater also includes: an electrode plate; the electrode plate is sleeved on the outer wall of the quartz heating tube and placed inside the sealing block so that the electrode plate is isolated from the outside of the accommodating column cavity; the sealing block, the electrode plate and the accommodating column cavity together surround the electrode plate to isolate the electrode plate from the tank cavity.

[0009] Furthermore, the pure air heater also includes: a pressure block; the pressure block is pressed onto the end of the sealing block away from the outer tank; the pressure block has a plurality of first ventilation holes communicating with the tank cavity.

[0010] Furthermore, the pressure block is also provided with several second ventilation holes that communicate with the interior of the quartz heating tube.

[0011] Furthermore, the pure air heater also includes a funnel-shaped diverter block; the narrow end opening of the diverter block is close to the air inlet, and the wide end opening of the diverter block is pressed against the pressure block; a plurality of diverter holes are provided on the conical sidewall of the diverter block, and the diverter holes are connected to the first ventilation hole or the second ventilation hole of the pressure block.

[0012] Furthermore, the pure air heater also includes: an air inlet flared connector; the air inlet is opened on the narrow end of the air inlet flared connector, and the wide end opening of the air inlet flared connector is pressed against the pressure block on the air inlet side; the diverter block on the air inlet side is placed inside the air inlet flared connector; the wide end opening of the air inlet flared connector covers all the first ventilation holes and the second ventilation holes.

[0013] Furthermore, the pure air heater also includes: an air outlet horn connector; the air outlet is opened on the narrow end of the air outlet horn connector, and the wide end opening of the air outlet horn connector is pressed against the pressure block on the air outlet side; the diverter block on the air outlet side is placed inside the air outlet horn connector; the wide end opening of the air outlet horn connector covers all the first ventilation holes and the second ventilation holes.

[0014] Furthermore, the pure air heater also includes a temperature detection probe; the temperature detection probe is fixed to the air outlet horn connector and positioned at the air outlet.

[0015] Furthermore, the pure air heater also includes a pressure detection probe; the pressure detection probe is fixed to the air inlet horn connector and positioned at the air inlet.

[0016] Compared with the prior art, the beneficial effects that this utility model can achieve are as follows:

[0017] During operation, gas enters the quartz glass jar through the air inlet, and at least a portion of the gas enters the jar's internal cavity. The quartz heating element is energized and operates through the heating film on its outer wall. The heat generated is conducted through the condenser column to the jar's internal cavity, where the gas is heated and ultimately output from the air outlet.

[0018] In this process, because the quartz heating tubes are tightly inserted into the container cavity, the container cavity isolates the quartz heating tubes from the container cavity, preventing them from communicating. Therefore, the gas only comes into contact with the quartz material (the inner wall of the quartz glass container and the inner wall of the quartz heating tubes) throughout the entire process, and never comes into contact with the heating film containing metal components or electrode wires. As a result, the hot air output by this hot air generator has high purity, completely free of any metal ions. In specific fields such as photovoltaic and chip production lines, this hot air generator offers significant advantages. Its clean hot air output ensures stable product quality during the drying process, reducing product defects and achieving a high yield rate. Attached Figure Description

[0019] Figure 1 The image shown is a perspective view of Embodiment 1;

[0020] Figure 2 The figure shown is a cross-sectional view of Embodiment 1;

[0021] Figure 3 The diagram shown is a cross-sectional view of Embodiment 1 with the air inlet horn connector concealed.

[0022] Figure 4 The image shown is a cross-sectional view from another perspective of Embodiment 1, which conceals the air inlet horn connector.

[0023] Figure 5 The image shown is an exploded view of Example 1;

[0024] Figure 6 The image shown is a cross-sectional view of the quartz glass jar of Example 1.

[0025] Figure 7 The image shown is a perspective view of Embodiment 2;

[0026] Figure 8 The image shown is a cross-sectional view of Example 2;

[0027] Figure 9 The image shown is a cross-sectional view from the frontal view of Embodiment 2;

[0028] Figure 10 The image shown is an exploded view of Example 2;

[0029] Figure 11The image shown is a cross-sectional view of the quartz glass jar from Example 2.

[0030] In the diagram: 10. Quartz glass jar; 11. Outer jar body; 12. Containing column cavity; 13. Jar body cavity; 20. Quartz heating element; 30. Air inlet; 40. Air outlet; 50. Sealing block; 60. Electrode plate; 70. Pressing block; 71. First ventilation hole; 72. Second ventilation hole; 80. Diverter block; 90. Air inlet flared connector; 100. Air outlet flared connector; 110. Temperature detection probe; 120. Pressure detection probe; 130. Screw; 140. Nut; 150. Nut. Detailed Implementation

[0031] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0032] In the description of this utility model, it should be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0033] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0035] This utility model discloses a pure air heater, which is used to heat gas and provide hot air to achieve the blowing and drying function.

[0036] See Figures 1-5 This pure air heater includes: a quartz glass jar 10, a quartz heating element 20, an air inlet 30, and an air outlet 40. (See attached image.) Figure 6 The quartz glass jar 10 includes an outer jar body 11 and a plurality of accommodating cylindrical cavities 12 disposed inside the outer jar body 11. The outer jar body 11 and the accommodating cylindrical cavities 12 are integrally formed or fixedly connected to each other; see reference. Figures 2-5 The end of the accommodating column cavity 12 extends to the end of the outer tank 11, thus isolating the inner cavity of the accommodating column cavity 12 from the tank cavity 13. Specifically, the gas entering the accommodating column cavity 12 cannot flow into the tank cavity 13, and the gas entering the tank cavity 13 cannot flow into the accommodating column cavity 12.

[0037] The quartz heating tube 20 has a heating film coated on its outer wall. As those skilled in the art will know, the heating film contains a metallic component. The number of quartz heating tubes 20 is the same as the number of accommodating cavities 12. The quartz heating tubes 20 and the accommodating cavities 12 are mutually matched cylindrical. The quartz heating tubes 20 are tightly inserted into the accommodating cavities 12, and the outer wall of the quartz heating tube 20 is tightly attached to the inner wall of the accommodating cavities 12, thereby isolating the quartz heating tubes 20 from the tank cavity 13.

[0038] See Figure 2 An air inlet 30 is located on one side of the quartz glass jar 10, and the air inlet 30 is connected to the jar cavity 13 and also to the interior of the quartz heating tube 20. An air outlet 40 is located on the side of the quartz glass jar 10 opposite to the air inlet 30, and the air outlet 40 is connected to the jar cavity 13 and also to the interior of the quartz heating tube 20.

[0039] During operation, gas enters the quartz glass jar 10 through the air inlet 30, and at least a portion of the gas enters the jar cavity 13. The quartz heating tube 20 is energized, and operates through the heating film on its outer wall. The heat generated is conducted through the accommodating column cavity 12 to the jar cavity 13, heating the gas inside and ultimately outputting it from the air outlet 40. Another portion of the gas enters the inner cavity of the quartz heating tube 20 through the air inlet 30 and is ultimately output from the air outlet 40.

[0040] During this process, because the quartz heating tubes 20 are tightly inserted into the accommodating column cavity 12, the accommodating column cavity 12 isolates the quartz heating tubes 20 and the container cavity 13 from each other, preventing them from communicating. Therefore, the gas only comes into contact with the quartz material (the inner wall of the quartz glass container 10 and the inner wall of the quartz heating tubes 20) throughout the entire process, and does not come into contact with the heating film containing metal components or electrode wires and other components. As a result, the hot air output by this hot air heater has a high degree of cleanliness and does not contain any metal ions. In certain specific fields, such as photovoltaic and chip production lines, the application advantages of this hot air heater are significant. Its clean hot air output can ensure stable product quality, reduce product defects, and achieve a high yield rate during the blowing and drying process.

[0041] Preferably, see Figures 2-5 The present invention also includes a sealing block 50. The sealing block 50 is tightly attached to the end of the outer tank 11, and the end of the quartz heating tube 20 is inserted into the sealing block 50; the sealing block 50 seals both ends of the quartz heating tube 20, so that it is completely isolated from the tank cavity 13.

[0042] For further optimization, please refer to [link / reference]. Figure 2 and Figure 4 This invention also includes an electrode plate 60 for supplying power to the quartz heating tube 20. Those skilled in the art will understand that the electrode plate 60 is made of a conductive material containing metallic components. The electrode plate 60 is sleeved on the outer wall of the quartz heating tube 20 and is housed within the sealing block 50, thus isolating the electrode plate 60 from the outside of the accommodating cavity 12. The sealing block 50, the electrode plate 60, and the accommodating cavity 12 together enclose the electrode plate 60, thereby isolating it from the tank cavity 13. Thus, neither the gas entering the accommodating cavity 12 nor the gas entering the tank cavity 13 will come into contact with the electrode plate 60, thereby preventing contact with any metal ions. Of course, the electrode plate 60 is led out via a wire, which passes through the sealing block 50 and the pressure block 70 to reach an external power supply; this part will not be described in detail further.

[0043] For further optimization, please refer to [link / reference]. Figures 2-5 The present invention also includes a pressing block 70. The pressing block 70 is pressed onto the end of the sealing block 50 that is away from the outer tank body 11. (See reference...) Figures 3-5 The pressure block 70 has several first ventilation holes 71 that connect to the tank cavity 13. The pressure block 70 is used to press the sealing block 50 tightly onto the end of the outer tank 11. When air is introduced, some gas first enters the tank cavity 13 through the first ventilation hole 71 on the air inlet side, and then comes out through the first ventilation hole 71 on the air outlet side.

[0044] More preferably, in addition to the first vent 71, the pressure block 70 also has several second vents 72 that communicate with the interior of the quartz heating tube 20. (See reference...) Figures 3-5 When air is introduced, some of the gas first enters the accommodating column cavity 12 through the second ventilation hole 72 on the air inlet side, and then comes out through the second ventilation hole 72 on the air outlet side.

[0045] Further preferred, see Figures 2-5 The present invention also includes a diverter block 80, which is funnel-shaped and used to divert gas into various ventilation holes. The narrow end opening of the diverter block 80 is close to the air inlet 30, and the wide end opening of the diverter block 80 is pressed against the pressure block 70. Several diverter holes are provided on the conical sidewall of the diverter block 80. These diverter holes are connected to the first ventilation hole 71 or the second ventilation hole 72 of the pressure block 70, thereby diverting the gas into the tank cavity 13 and the accommodating column cavity 12.

[0046] Further preferred, see Figures 2-5 This utility model also includes an air inlet flared connector 90. An air inlet 30 is formed on the narrow end of the air inlet flared connector 90, and the wide end opening of the air inlet flared connector 90 is pressed against the pressure block 70 on the air inlet side. A diverter block 80 located on the air inlet side is placed inside the air inlet flared connector 90, and the wide end opening of the air inlet flared connector 90 covers all the first ventilation holes 71 and the second ventilation holes 72.

[0047] Similarly, this utility model also includes an air outlet horn connector 100. An air outlet 40 is formed on the narrow end of the air outlet horn connector 100, and the wide end opening of the air outlet horn connector 100 is pressed against the pressure block 70 on the air outlet side. A diverter block 80 located on the air outlet side is placed inside the air outlet horn connector 100, and the wide end opening of the air outlet horn connector 100 covers all the first ventilation holes 71 and the second ventilation holes 72.

[0048] To monitor whether the outlet air temperature meets the requirements, this utility model also includes a temperature detection probe 110, see reference. Figure 5 The temperature detection probe 110 is fixed on the air outlet horn connector 100, positioned at the air outlet 40. The temperature detection probe 110 feeds back the hot air temperature data to the control system, comparing the real-time temperature value with the temperature threshold to facilitate the control system in adjusting the heating time and heating temperature.

[0049] To monitor whether the intake air pressure meets the requirements, this utility model also includes a pressure detection probe 120. (See reference...) Figure 5 The pressure detection probe 120 is fixed on the air inlet horn connector 90, thus being positioned at the air inlet 30.

[0050] Preferably, the present invention further includes a screw 130, a nut 140, and a bolt 150 for fastening. The screw 130 passes through the air inlet horn connector 90, the two side pressure blocks 70, and the air outlet horn connector 100. The two ends of the screw 130 are locked by the nut 140 and the bolt 150 respectively, thereby connecting the heaters to form a stable integral structure.

[0051] This utility model can have two specific embodiments.

[0052] Example 1:

[0053] See Figures 1-6 The quartz glass jar 10 contains multiple accommodating cavities 12, and multiple quartz heating tubes 20 are also provided, each inserted into a corresponding cavity 12. Embodiment 1 includes a flow divider 80 for gas diversion. With a large number of cavities and heating tubes, Embodiment 1 allows for a larger airflow, making it a relatively high-volume heater.

[0054] Example 2:

[0055] See Figures 7-11 The quartz glass jar 10 contains a single-celled accommodating column cavity 12, and the number of quartz heating tubes 20 is also set to a single unit. In Embodiment Two, since only a single quartz heating tube 20 is used, the flow divider 80 can be omitted. Embodiment Two allows for a smaller airflow compared to Embodiment One, classifying it as a low-airflow heater.

[0056] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A pure air heater, characterized in that, include: A quartz glass jar includes an integral outer jar body and a plurality of accommodating cavities fixed within the outer jar body; the outer jar body has a jar body cavity inside, and the ends of the accommodating cavities extend to the ends of the outer jar body, so that the accommodating cavities and the jar body cavity are mutually isolated. Several quartz heating tubes with heating films coated on their outer walls are tightly inserted into the cavity of the receiving column, and the outer walls of the quartz heating tubes are attached to the inner walls of the cavity of the receiving column, so that the quartz heating tubes are isolated from the cavity of the tank. An air inlet is located on one side of the quartz glass jar, and the air inlet is connected to the jar cavity; An air outlet is located on the side of the quartz glass jar opposite to the air inlet, and the air outlet is connected to the cavity of the jar body.

2. The pure air heater as described in claim 1, characterized in that, The pure air heater further includes: a sealing block; the sealing block is tightly attached to the end of the outer tank, and the end of the quartz heating tube is inserted into the interior of the sealing block.

3. The pure air heater as described in claim 2, characterized in that, The pure air heater further includes: an electrode plate; the electrode plate is sleeved on the outer wall of the quartz heating tube and placed inside the sealing block so that the electrode plate is isolated from the outside of the accommodating column cavity; the sealing block, the electrode plate and the accommodating column cavity together surround the electrode plate to isolate the electrode plate from the tank cavity.

4. The pure air heater as described in claim 2, characterized in that, The pure air heater further includes: a pressure block; the pressure block is pressed onto the end of the sealing block away from the outer tank; the pressure block has a plurality of first ventilation holes communicating with the tank cavity.

5. The pure air heater as described in claim 4, characterized in that, The pressure block is also provided with several second ventilation holes that connect to the inside of the quartz heating tube.

6. The pure air heater as described in claim 5, characterized in that, The pure air heater also includes a funnel-shaped diverter block; the narrow end opening of the diverter block is close to the air inlet, and the wide end opening of the diverter block is pressed against the pressure block; a plurality of diverter holes are provided on the conical sidewall of the diverter block, and the diverter holes are connected to the first ventilation hole or the second ventilation hole of the pressure block.

7. The pure air heater as described in claim 6, characterized in that, The pure air heater further includes: an air inlet flared connector; the air inlet is opened on the narrow end of the air inlet flared connector, and the wide end opening of the air inlet flared connector is pressed against the pressure block on the air inlet side; the diverter block on the air inlet side is placed inside the air inlet flared connector; the wide end opening of the air inlet flared connector covers all the first ventilation holes and the second ventilation holes.

8. The pure air heater as described in claim 6, characterized in that, The pure air heater further includes: an air outlet horn connector; the air outlet is opened on the narrow end of the air outlet horn connector, and the wide end opening of the air outlet horn connector is pressed against the pressure block on the air outlet side; the diverter block on the air outlet side is placed inside the air outlet horn connector; the wide end opening of the air outlet horn connector covers all the first ventilation holes and the second ventilation holes.

9. The pure air heater as described in claim 8, characterized in that, The pure air heater further includes a temperature detection probe; the temperature detection probe is fixed to the air outlet horn connector and positioned at the air outlet.

10. The pure air heater as described in claim 7, characterized in that, The pure air heater further includes a pressure detection probe; the pressure detection probe is fixed to the air inlet horn connector and positioned at the air inlet.

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