Air conveying heating control device

Abstract

The utility model provides an air conveying heating control device which comprises an air conveying heating component and a dehumidification component, the air conveying heating component and the dehumidification component are connected to a drying oven, and the air conveying heating component is connected with the drying oven and used for heating air and then feeding the air into the drying oven for circulation so as to ensure that the air in the drying oven can be continuously kept at a high temperature; the dehumidification component is connected with the drying oven and used for discharging moisture in the drying oven, the dry environment in the drying oven is ensured, and the drying efficiency is improved. According to the drying oven, the independently-controlled dehumidification component is arranged, the discharge rate of moisture is flexibly adjusted, heat convection is formed in the drying oven by arranging the air conveying unit, the drying efficiency is improved, and the uniformity of the heating process is ensured.

Description

Technical Field

[0001] This application relates to the technical field of drying equipment, and particularly to an air circulation heating control device. Background Art

[0002] In the production process involving drying technology in industrial production, the heating and air circulation control systems of equipment play a crucial role in drying efficiency and product quality. However, the existing air circulation heating devices have the following problems:

[0003] 1. The existing air circulation heating devices lack precise temperature control means, resulting in a limited temperature adjustment range in the oven and being unable to meet the diverse temperature requirements of different processes, thus affecting product quality.

[0004] 2. In the existing air circulation heating devices, the moisture discharge system is difficult to flexibly adjust the moisture discharge rate according to the humidity change in the oven, leading to moisture accumulation and affecting drying efficiency and product effect.

[0005] 3. The existing air circulation heating devices will cause uneven air flow in the oven, resulting in uneven heating and low drying efficiency. Utility Model Content

[0006] In view of the deficiencies of the prior art, the present utility model provides an air circulation heating control device to solve the problems in the prior art that the air circulation heating device cannot accurately control the heating temperature, the moisture discharge cannot be flexibly adjusted, and the heating effect is poor due to uneven air flow in the oven.

[0007] To achieve the above object, the specific technical solution of the present utility model is as follows:

[0008] This application proposes an air circulation heating control device, including: an air circulation heating component and a dehumidifying component, and the air circulation heating component and the dehumidifying component are respectively connected to the oven.

[0009] The air circulation heating component is connected to the oven and is used to heat the air and send it into the oven for circulation to ensure that the air in the oven continuously remains at a high temperature.

[0010] The dehumidifying component is connected to the oven and is used to discharge the moisture inside the oven to ensure a dry environment in the oven and improve the drying efficiency.

[0011] Further, the oven includes a housing, an upper hull and a lower hull. The housing is rectangular, the upper hull is arranged at the top of the housing, and the lower hull is arranged at the bottom of the housing.

[0012] Further, the air circulation heating component includes a return air unit, a first power unit, a heating unit and a supply air unit.

[0013] The first power unit has a suction side and a discharge side. Its suction side is connected to the return air unit, and its discharge side is connected to the heating unit;

[0014] One end of the return air unit is connected to the upper hull, and the other end is connected to the suction side of the first power unit. A first reserved port is provided on the side wall of the return air unit;

[0015] One end of the heating unit is connected to the discharge side of the first power unit, and the other end is connected to the air supply unit;

[0016] The air supply unit includes a shunt tee, a first shunt air duct, and a second shunt air duct. The shunt tee has an air inlet, a first air outlet, and a second air outlet; one end of the first shunt air duct is connected to the first air outlet of the shunt tee, and the other end is connected to one end of the upper hull. One end of the second shunt air duct is connected to the second air outlet of the shunt tee, and the other end is connected to one end of the lower hull; the air supply unit is connected to the heating unit through the air inlet on the shunt tee.

[0017] Furthermore, a dehumidification component includes a drainage unit, a second power unit, and a moisture discharge unit.

[0018] The second power unit has a suction side and a discharge side. Its suction side is connected to the drainage unit, and its discharge side is connected to the moisture discharge unit;

[0019] One end of the drainage unit is connected to the upper hull, and the other end is connected to the suction side of the second power unit. A humidity sensor is provided on the drainage unit;

[0020] One end of the moisture discharge unit is connected to the discharge side of the second power unit, and the other end is docked with the exhaust equipment or exhaust outlet of the factory building.

[0021] Furthermore, a plurality of heating packs are provided on the side wall of the heating unit. The heating packs adopt high-quality heaters and are precisely controlled by solid-state relays. Temperature sensors are also equipped on the heating packs.

[0022] Furthermore, a dust removal and filtration unit is provided between the heating unit and the air supply unit. The form of the dust removal and filtration unit is a filter screen or a multi-layer filter.

[0023] Furthermore, the air transportation and heating component and the dehumidification component are both wrapped with aluminosilicate cotton, and sealing flanges are provided at the interfaces.

[0024] Furthermore, the first power unit and the second power unit adopt explosion-proof variable-frequency fans.

[0025] Furthermore, a plurality of sensors are provided in the return air unit, the first power unit, the heating unit, and the air supply unit of the air transportation and heating component. The sensors are connected to the control system.

[0026] Further, a second reserved port is also provided on the side wall of the return air unit, and the second reserved port can be connected to a hot air recovery device.

[0027] Compared with the prior art, the technical solution provided by this application has the following beneficial effects:

[0028] 1. By arranging a plurality of heating packs in the heating unit, precise control is carried out by using a solid-state relay, and a temperature sensor is equipped on the heating pack for real-time monitoring to ensure that the temperature can be flexibly adjusted within the range of 25°C to 200°C, meeting the diverse temperature requirements of different production processes.

[0029] 2. By arranging an independent dehumidification component to achieve independent control, the discharge rate of moisture can be flexibly adjusted according to the data monitored by the humidity sensor in real time, ensuring a suitable dry environment inside the oven.

[0030] 3. By arranging a first shunt air duct and a second shunt air duct in the air supply unit, the heated air is respectively conveyed to the upper hull and the lower hull to form a thermal convection, improving the drying efficiency and ensuring the uniformity of the heating process. Description of the Drawings

[0031] Figure 1 It is a schematic diagram of the overall structure of an air transportation and heating control device of the present utility model;

[0032] Figure 2 It is a front view of an air transportation and heating control device of the present utility model;

[0033] Figure 3 It is a left view of an air transportation and heating control device of the present utility model;

[0034] Figure 4 It is a top view of an air transportation and heating control device of the present utility model.

[0035] Reference Signs:

[0036] 1. Oven; 1-1. Housing; 1-2. Upper hull; 1-3. Lower hull; 2. Return air unit; 2-1. First reserved port; 2-2. Second reserved port; 3. First power unit; 4. Heating unit; 4-1. Heating pack; 5. Air supply unit; 5-1. Shunt tee; 5-2. First shunt air duct; 5-3. Second shunt air duct; 6. Drainage unit; 6-1. Humidity sensor; 7. Second power unit; 8. Moisture discharge unit; 9. Dust removal and filtration unit. Detailed Embodiments

[0037] Next, in combination with the accompanying drawings in the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0038] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present application are only used to explain the relative positional relationship and movement conditions between components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0039] In addition, the descriptions involving "first", "second", etc. in the present application are only for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of the said features. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0040] As Figures 1 to 4 shown, an embodiment of the present utility model provides an air circulation and heating control device, including: an air circulation and heating component and a dehumidifying component, and the air circulation and heating component and the dehumidifying component are respectively connected to the oven 1.

[0041] The air circulation and heating component is connected to the oven 1 and is used to heat the air and then send it into the oven 1 for circulation to ensure that the air in the oven continuously maintains a high temperature.

[0042] The dehumidifying component is connected to the oven 1 and is used to discharge the moisture inside the oven to ensure a dry environment in the oven and improve the drying efficiency.

[0043] Preferably, the oven 1 includes a housing 1-1, an upper hull 1-2, and a lower hull 1-3. The housing 1-1 is rectangular. The upper hull 1-2 is arranged at the top of the housing 1-1, and the lower hull 1-3 is arranged at the bottom of the housing 1-1.

[0044] Preferably, the air circulation and heating component includes a return air unit 2, a first power unit 3, a heating unit 4, and a supply air unit 5.

[0045] The first power unit 3 has a suction side and a discharge side. Its suction side is connected to the return air unit 2, and its discharge side is connected to the heating unit 4, which is used to provide power to ensure the circulation of air in the system.

[0046] One end of the return air unit 2 is connected to the upper hull 1-2, and the other end is connected to the suction side of the first power unit 3. A first reserved port 2-1 is provided on the side wall of the return air unit 2. The return air unit 2 is used to return air from the oven 1 and supplement fresh air from the external environment, so as to realize the recycling and supplementation of air.

[0047] One end of the heating unit 4 is connected to the discharge side of the first power unit 3, and the other end is connected to the air supply unit 5, which is used to heat the temperature of the air entering the heating unit 4.

[0048] The air supply unit 5 includes a shunt tee 5-1, a first shunt air duct 5-2 and a second shunt air duct 5-3. The shunt tee 5-1 has an air inlet, a first air outlet and a second air outlet. One end of the first shunt air duct 5-2 is connected to the first air outlet of the shunt tee 5-1, and the other end is connected to one end of the upper hull 1-2. One end of the second shunt air duct 5-3 is connected to the second air outlet of the shunt tee 5-1, and the other end is connected to one end of the lower hull 1-3. The air supply unit 5 is connected to the heating unit 4 through the air inlet on the shunt tee 5-1, which is used to send the heated air back into the oven to form a closed air circulation system.

[0049] The first power unit 3, as the power part of the air transportation and heating component, sucks out the low-temperature air from the upper hull 1-2 through the return air unit 2. At the same time, fresh air enters the return air unit 2 through the first reserved port 2-1 on the side wall of the return air unit 2. The low-temperature air and fresh air are mixed in the return air unit 2 to provide the required air source for subsequent heating and circulation. To reduce noise, a silencing device is provided on the first reserved port 2-1 for noise reduction treatment.

[0050] The mixed air is transported from the discharge side of the first power unit 3 to the heating unit 4 for heating. The heated air passes through the first shunt air duct 5-2 and the second shunt air duct 5-3 of the air supply unit 5 and is respectively sent into the upper hull 1-2 and the lower hull 1-3 to provide stable hot air convection for the oven, so that the temperature uniformity of the oven 1 is controlled within ±5°C, meeting the requirements of the drying process.

[0051] Preferably, the dehumidification component includes a drainage unit 6, a second power unit 7 and a moisture discharge unit 8.

[0052] The second power unit 7 has a suction side and a discharge side. Its suction side is connected to the drainage unit 6, and its discharge side is connected to the moisture exhaust unit 8. The second power unit 7 uses an explosion-proof variable-frequency fan to provide power for the dehumidification component to ensure the effective discharge of moisture.

[0053] One end of the drainage unit 6 is connected to the upper hull 1-2, and the other end is connected to the suction side of the second power unit 7. A humidity sensor 6-1 is provided on the drainage unit 6, and the drainage unit 6 is used to guide the discharge of moisture from the upper hull 1-2.

[0054] One end of the moisture exhaust unit 8 is connected to the discharge side of the second power unit 7, and the other end is docked with the exhaust equipment or exhaust outlet of the factory building to discharge the moisture to the external environment and maintain the dry state inside the oven 1.

[0055] The second power unit 7, as the power part of the dehumidification component operation, sucks moisture from the upper hull 1-2 through the drainage unit 6. The moisture passes from the discharge side of the second power unit 7, through the moisture exhaust unit 8 and the exhaust equipment or outlet connected thereto, and discharges the moisture to the external environment to ensure the dry environment inside the oven and improve the drying efficiency. The explosion-proof variable-frequency fan can flexibly adjust the wind speed according to actual needs to achieve precise air flow control. At the same time, the explosion-proof design improves the overall safety and reliability of the device.

[0056] The humidity sensor 6-1 provided on the drainage unit 6 can monitor the discharged moisture in real time, and dynamically adjust the discharge rate of moisture according to the monitoring data through the valve, thereby optimizing the humidity environment inside the oven, effectively improving the drying efficiency and reducing energy consumption.

[0057] Preferably, a plurality of heating packs 4-1 are provided on the side wall of the heating unit 4. The heating packs 4-1 use high-quality heaters and are precisely controlled by solid-state relays. A temperature sensor is also provided on the heating packs 4-1.

[0058] The multiple heating packs 4-1 provided on the heating unit 4 can effectively improve the heating efficiency, adjust the operating state of the heating packs 4-1, so that the temperature inside the oven 1 can be adjusted within the range of 25°C to 200°C. The solid-state relay has the advantages of high response speed and precise control, and can quickly switch the working state of the heating packs 4-1. The temperature sensor provided on the heating packs 4-1 can monitor the temperature of the heating unit 4 in real time. When the temperature exceeds the set safety threshold, the temperature sensor will trigger the overheat protection mechanism and automatically cut off the power supply of the heating packs 4-1 to prevent equipment damage or safety hazards caused by overheating, enhancing the safety of the system.

[0059] Preferably, a dust removal and filtration unit 9 is provided between the heating unit 4 and the air supply unit 5, and the dust removal and filtration unit 9 is in the form of a filter screen or a multi-layer filter.

[0060] The setting of the dust removal and filtration unit 9 can effectively reduce the dust accumulation inside the system, extend the service life of the equipment, and at the same time ensure the air quality during the drying process.

[0061] Preferably, the air transportation and heating component and the dehumidification component are both wrapped with aluminosilicate wool, and a sealing flange is provided at the interface.

[0062] Aluminosilicate wool has good heat insulation performance. Wrapping each unit with aluminosilicate wool helps to improve the heat preservation effect of the device, reduce heat loss, and at the same time can effectively reduce the surface temperature of the air transportation and heating component and the dehumidification component, increasing the safety of staff operation. Setting a sealing flange at the interface of each unit can prevent heat flow leakage, further reduce heat energy loss, and improve the sealing performance of the system.

[0063] Preferably, the first power unit and the second power unit adopt explosion-proof variable-frequency fans.

[0064] The first power unit 3 and the second power unit 7 adopting explosion-proof variable-frequency fans can flexibly adjust the wind speed according to actual needs to achieve precise air flow control. At the same time, the explosion-proof design improves the overall safety and reliability of the device.

[0065] Preferably, a plurality of sensors are provided in the air return unit 2, the first power unit 3, the heating unit 4, and the air supply unit 5 of the air transportation and heating component. The sensors are connected to the control system, and the data received by the sensors is transmitted to a remote server or a user terminal for real-time monitoring of the air temperature, wind speed, and humidity in the cycle.

[0066] Through the real-time monitoring of the sensors, the data received by the sensors is transmitted to a remote server or a user terminal, and the operating state is adjusted according to the detected data to ensure the stability of the air environment in the oven, thereby improving the heating and drying efficiency, and at the same time ensuring that the system operates in the best working state to meet the precise requirements of different processes for temperature and humidity.

[0067] Preferably, a second reserved port 2-2 is further provided on the side wall of the air return unit 2, and the second reserved port 2-2 can be connected to a waste heat recovery device.

[0068] By connecting the waste heat recovery device to the air return unit 2, the waste heat can be effectively recovered and utilized, the heat energy utilization rate can be improved, the energy consumption can be reduced, the operating efficiency and environmental protection performance of the system can be further optimized, and the energy-saving requirements can be met.

[0069] Working principle of the utility model: The first power unit 3 serves as the power part for the operation of the air supply and heating component. The low-temperature air is sucked out from the upper hull 1-2 through the return air unit 2. Meanwhile, fresh air enters the return air unit 2 through the first reserved port 2-1 on the side wall of the return air unit 2. The low-temperature air and the fresh air are mixed in the return air unit 2 to provide the air source required for subsequent heating and circulation. To reduce noise, a silencing device is provided at the first reserved port 2-1 for noise reduction treatment.

[0070] The mixed air is conveyed from the discharge side of the first power unit 3 to the heating unit 4 and heated by the heating pack 4-1 provided on the side wall of the heating unit 4. The heated air passes through the first shunt air duct 5-2 and the second shunt air duct 5-3 of the air supply unit 5 and is respectively sent into the upper hull 1-2 and the lower hull 1-3 to provide stable hot air convection for the oven, so that the temperature uniformity of the oven 1 is controlled within ±5°C, meeting the requirements of the drying process.

[0071] The above is the preferred embodiment of the utility model. It should be noted that for those of ordinary skill in the art, without departing from the principle of the utility model, several improvements and refinements can be made, and these improvements and refinements are also regarded as the protection scope of the utility model.

[0072] The technical features of the above embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.

[0073] The above embodiments only represent several implementation manners of the present application. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent of the present application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several deformations and improvements can be made, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. An air supply and heating control device, characterized in that Comprising: A wind transportation and heating component and a dehumidification component, the wind transportation and heating component and the dehumidification component are respectively connected to the oven (1), The wind transportation and heating component is connected to the oven (1) and is used to heat the air and send it into the oven (1) for circulation to ensure that the air inside the oven remains at a high temperature continuously; The dehumidification component is connected to the oven (1) and is used to discharge the moisture inside the oven, ensure a dry environment inside the oven, and improve the drying efficiency.

2. The air transportation heating control device according to claim 1, wherein, The oven (1) includes a housing (1-1), an upper hull (1-2) and a lower hull (1-3). The housing (1-1) is rectangular. The upper hull (1-2) is arranged at the top of the housing (1-1), and the lower hull (1-3) is arranged at the bottom of the housing (1-1).

3. The air supply and heating control device according to claim 2, characterized in that The wind transportation and heating component includes a return air unit (2), a first power unit (3), a heating unit (4) and a air supply unit (5), The first power unit (3) has a suction side and a discharge side. Its suction side is connected to the return air unit (2), and its discharge side is connected to the heating unit (4); One end of the return air unit (2) is connected to the upper hull (1-2), and the other end is connected to the suction side of the first power unit (3). A first reserved port (2-1) is arranged on the side wall of the return air unit (2); One end of the heating unit (4) is connected to the discharge side of the first power unit (3), and the other end is connected to the air supply unit (5); The air supply unit (5) includes a shunt tee (5-1), a first shunt air duct (5-2) and a second shunt air duct (5-3). The shunt tee (5-1) has an air inlet, a first air outlet and a second air outlet; One end of the first shunt air duct (5-2) is connected to the first air outlet of the shunt tee (5-1), and the other end is connected to one end of the upper hull (1-2). One end of the second shunt air duct (5-3) is connected to the second air outlet of the shunt tee (5-1), and the other end is connected to one end of the lower hull (1-3); The air supply unit (5) is connected to the heating unit (4) through the air inlet on the shunt tee (5-1).

4. The air supply and heating control device according to claim 3, wherein, The dehumidification component includes a drainage unit (6), a second power unit (7) and a moisture exhaust unit (8), The second power unit (7) has a suction side and a discharge side. Its suction side is connected to the drainage unit (6), and its discharge side is connected to the moisture exhaust unit (8); One end of the drainage unit (6) is connected to the upper hull (1-2), and the other end is connected to the suction side of the second power unit (7). A humidity sensor (6-1) is arranged on the drainage unit (6); One end of the moisture exhaust unit (8) is connected to the discharge side of the second power unit (7), and the other end is docked with the exhaust equipment or exhaust outlet of the workshop.

5. The air transportation heating control device according to claim 4, wherein A plurality of heating packs (4-1) are arranged on the side wall of the heating unit (4). The heating packs (4-1) adopt high-quality heaters and are precisely controlled by solid-state relays. Temperature sensors are also equipped on the heating packs (4-1).

6. The air transportation and heating control device according to claim 5, wherein, A dust removal and filtration unit (9) is arranged between the heating unit (4) and the air supply unit (5). The form of the dust removal and filtration unit (9) is a filter screen or a multi-layer filter.

7. The air transportation heating control device according to claim 6, wherein Both the air conveyance and heating component and the dehumidification component are wrapped with aluminosilicate wool, and a sealing flange is provided at the interface.

8. The air supply and heating control device according to claim 7, characterized in that, The first power unit (3) and the second power unit (7) adopt explosion-proof variable-frequency blowers.

9. The air supply heating control device according to claim 8, characterized in that, A plurality of sensors are provided in the air return unit (2), the first power unit (3), the heating unit (4), and the air supply unit (5) of the air conveyance and heating component, and the sensors are connected to the control system.

10. The air supply and heating control device according to claim 9, characterized in that, A second reserved port (2-2) is further provided on the side wall of the air return unit (2), and the second reserved port (2-2) can be connected to a hot air recovery device.

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