Thermal cycle oven

Abstract

The utility model relates to the technical field of ovens, in particular to a heat cycle oven which comprises an oven body, an oven door is arranged on the front face of the oven body, an air heater is fixedly arranged at the top of the oven body and communicates with the interior of the oven body, a placing frame is arranged in the oven body, and a plurality of supporting plates are evenly and fixedly arranged on the placing frame in the height direction. Supporting plates are arranged in the box body, trays are placed on the supporting plates, a guide rod is vertically arranged in the box body in a sliding mode, a plurality of shielding covers are fixedly arranged on the guide rod in the height direction, each shielding cover corresponds to one tray, the shielding covers are located over the trays, and the bottoms of the shielding covers can abut against the tops of the trays. A ventilation opening is formed in the shielding cover, a dustproof net is fixedly arranged in the ventilation opening, and an air cylinder is arranged in the box body and used for driving the guide rod to slide. The device has the effects of preventing superfine powder from being blown away by hot air and attached to the inner wall of the box body as much as possible and protecting the internal environment of the box body.

Description

Technical Field

[0001] The present application relates to the technical field of ovens, and in particular to a thermal cycle oven. Background Art

[0002] When preparing ultra-fine powder of mineral drugs, the water grinding method is often used. The principle of the water grinding method is to grind the water-insoluble mineral drugs with water together, and use the different suspension properties of coarse and fine powders in water to prepare extremely fine powders; the specific process includes crushing the original drug ore and placing it in a container, adding an appropriate amount of clean water to grind it into a paste, and then adding more clean water to stir to make the coarse particles sink; then pour out the suspension, grind the coarse particles again, and repeat this process until the grinding is fine; finally, combine all the poured suspensions and let them stand, pour off the upper layer of clean water to obtain a wet material, and finally put the wet material into an oven to dry to obtain an ultra-fine powder.

[0003] In the related art, an oven is designed, which includes a box body, a hot air blower is fixedly arranged on the top of the box body, the hot air blower and the box body are connected to each other, and a number of trays are placed in the box body; when in use, the wet material is poured into the tray, and then the tray is placed in the box body, and the hot air blower is started. The hot air blower inputs hot air into the box body, thereby increasing the temperature and air flow speed in the box body, achieving the effect of quickly drying the wet material and obtaining extremely fine powder.

[0004] In the process of implementing the present application, it was found that there are at least the following problems in this technology: during the process of drying the wet material into ultra-fine powder, as the water content of the wet material decreases, the water attached to the ultra-fine powder is lost, causing the weight of the ultra-fine powder to become lighter, and it is easy to be blown away by hot air and adhere to the inner wall of the box, so the box needs to be cleaned in time. Utility Model Content

[0005] In order to prevent extremely fine powder from being blown away by hot air and adhering to the inner wall of the box as much as possible and to protect the internal environment of the box, the present application provides a thermal circulation oven.

[0006] The present application provides a thermal cycle oven that adopts the following technical solution:

[0007] A thermal circulation oven comprises a box body, a box door is provided on the front of the box body, a hot air blower is fixedly provided on the top of the box body, the hot air blower is communicated with the inside of the box body, a placement rack is provided in the box body, a plurality of support plates are evenly and fixedly provided on the placement rack along the height direction, a tray is placed on the support plate, a guide rod is vertically slidably provided in the box body, a plurality of shielding covers are fixedly provided on the guide rod along the height direction, each of the shielding covers is provided corresponding to a tray, the shielding cover is located directly above the tray, the bottom of the shielding cover can be abutted against the top of the tray, a vent is provided on the shielding cover, a dustproof net is fixedly provided in the vent, and a cylinder is provided in the box body, and the cylinder is used to drive the guide rod to slide.

[0008] By adopting the above technical solution, when drying the wet material, the wet material is poured into the tray and spread out, and the tray is placed on each support plate; the box door is closed and the hot air blower is started, and the hot air blower inputs hot air into the box to increase the temperature and air flow speed in the box to achieve the effect of quickly drying the wet material; when the wet material tends to be dry, the guide rod is driven to slide by the cylinder, so that the shielding cover approaches the tray until it hits the tray, and the hot air enters the tray from the vent, while the extremely fine powder in the tray is blocked by the dustproof net and cannot leave the tray, thereby avoiding as much as possible the extremely fine powder being blown away by the hot air and attached to the inner wall of the box, thereby protecting the internal environment of the box.

[0009] Preferably, an air uniforming box is fixedly provided on the inner side of one side wall of the box body, and a plurality of air holes are evenly opened on the side of the air uniforming box facing away from the side wall of the box body. The air outlet of the hot air blower is connected to the air uniforming box, and a circulation port is opened on the other side wall of the box body, and the circulation port is connected to the air inlet of the hot air blower.

[0010] By adopting the above technical solution, when the hot air blower is running, the hot air blower inputs hot air into the wind uniformity box, and the hot air then flows out evenly from the air holes, thereby improving the uniformity of the hot air flow at different positions in the box and making the hot air flow in the horizontal direction as much as possible in the box, which helps to reduce the impact of the hot air on the moist material and further ensure that the extremely fine powder will not be blown away by the hot air; the hot air in the box separates from the circulation port and enters the hot air blower again, replenishes power and heat, and then enters the box again to form a heat cycle and save energy loss.

[0011] Preferably, a dehumidification box is fixedly provided on the box body, a dehumidification plate is installed in the dehumidification box, one end of the dehumidification box is interconnected with the air inlet of the hot air blower, and the other end of the dehumidification box is interconnected with the circulation port.

[0012] By adopting the above technical solution, when the hot air leaves the box from the circulation port and enters the hot air blower, it will pass through the dehumidification box. The dehumidification plate in the dehumidification box can adsorb the moisture in the hot air flow and adsorb the moisture contained in the air on the dehumidification plate, thereby filtering out the moisture in the damp material and reducing the humidity of the air in the box.

[0013] Preferably, there are two vents, namely the first vent and the second vent. The first vent is arranged close to the wind uniforming box. The first vent is fixedly installed with a guide cover, which is opposite to the wind hole. The guide cover is used to guide hot air into the second vent, and the second vent is arranged close to the circulation port.

[0014] By adopting the above technical solution, when the shielding cover is against the tray, the air inlet of the air guide cover is opposite to the wind hole, and the hot air is blown toward the air guide cover after leaving the wind hole. The air guide cover guides the hot air into the first vent, thereby increasing the air intake of the first vent, and guiding a large amount of hot air into between the shielding cover and the tray, thereby increasing the drying effect of the hot air on the moist material, and then the hot air flows out from the second vent, thereby improving the smoothness of the hot air flow trajectory.

[0015] Preferably, two guide rods are provided, one of which is fixedly connected to one side of the shielding cover, and the other is fixedly connected to the other side of the shielding cover. The top ends of the two guide rods pass through the top of the box body and are fixedly provided with a common connecting rod. The cylinder is fixedly provided at the top of the box body, and the output end of the cylinder is fixedly connected to the common connecting rod.

[0016] By adopting the above technical solution, since both sides of the shielding cover are fixedly connected with a guide rod, when the shielding cover is against the pallet, the pressure of the shielding cover on both sides of the pallet is similar, and deformation of the pallet due to uneven pressure is avoided as much as possible. When the shielding cover needs to be pressed down, the output end of the cylinder is driven to retract, and the connecting rod drives the two guide rods to slide down at the same time; when the shielding cover needs to be driven up, the output end of the cylinder is driven to extend, and the connecting rod drives the two guide rods to slide up at the same time.

[0017] Preferably, a control panel is provided on the box door, and the hot air blower and the cylinder are electrically connected to the control panel.

[0018] By adopting the above technical solution, it is convenient to control the hot air blower and the cylinder when the box door is closed. The temperature and flow rate of the hot air output by the hot air blower can be controlled through the control panel, and the extension state of the cylinder output end can be controlled. A countdown can be set on the control panel so that the cylinder is automatically lifted after the countdown ends, thereby improving the convenience of this application.

[0019] Preferably, an observation window is provided on the box door.

[0020] By adopting the above technical solution, the staff can observe the dryness of the wet material through the observation window, so as to timely control the cylinder to adjust the state of the shielding cover.

[0021] Preferably, an alignment groove is provided on the support plate, the alignment groove is arranged opposite to the shielding cover, and the tray is placed in the alignment groove.

[0022] By adopting the above technical solution, when the tray is placed on the support plate, the tray is located in the groove, which facilitates positioning of the tray and ensures that the tray is placed opposite to the shielding cover.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. By setting up a hot air blower, a placement rack, a support plate, a tray, a guide rod, a shielding cover, a vent, a dust screen, and a cylinder, when the wet material tends to be wet, the shielding cover is lifted up to allow the wet material to fully contact with the hot air. When the wet material tends to be dry, the shielding cover is pressed down and pressed against the tray, and the ultra-fine powder is blocked in the tray by the dust screen, thereby minimizing the ultra-fine powder from being blown away by the hot air and adhering to the inner wall of the box;

[0025] 2. By setting up a uniform wind box, air holes, circulation ports, dehumidification boxes, and dehumidification plates, the hot air can flow in the box as horizontally as possible, which helps to reduce the impact of the hot air on the moist materials, so that the hot air in the box forms a thermal cycle, saves energy loss, and reduces the humidity of the air in the box;

[0026] 3. By setting the first vent, the second vent and the air guide cover, the hot air is blown toward the air guide cover after leaving the air hole, thereby increasing the air intake of the first vent and improving the drying effect of the hot air on the wet material. The hot air is separated from the tray from the second vent, thereby improving the smoothness of the hot air flow trajectory. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the structure of a thermal cycle oven provided in an embodiment of the present application.

[0028] Figure 2 It is a front structural schematic diagram of a thermal cycle oven provided in an embodiment of the present application.

[0029] Figure 3 It is a schematic diagram of the cross-sectional structure of a thermal cycle oven provided in an embodiment of the present application.

[0030] Figure 4 yes Figure 3 Enlarged view of part A.

[0031] Explanation of the reference numerals: 1. Box body; 11. Box door; 111. Control panel; 112. Observation window; 12. Hot air blower; 13. Placement rack; 131. Support plate; 1311. Alignment groove; 1312. Tray; 14. Cylinder; 15. Air uniformity box; 151. Air hole; 16. Circulation port; 17. Dehumidification box; 171. Dehumidification plate; 2. Guide rod; 21. Shielding cover; 211. First ventilation port; 212. Second ventilation port; 213. Dust net; 214. Air guide cover; 22. Common connecting rod. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-4 This application is described in further detail.

[0033] The present application embodiment discloses a thermal cycle oven. Figure 1The invention comprises a box body 1, a box door 11 is arranged on the front of the box body 1, a handle, a control panel 111 and an observation window 112 for observing the inside of the box body 1 are arranged on the outside of the box door 11. A hot air blower 12 is fixedly arranged on the top of the box body 1, the hot air blower 12 is electrically connected to the control panel 111, and the hot air blower 12 and the inside of the box body 1 are communicated with each other.

[0034] Reference Figures 2 to 4 A placement rack 13 is fixedly arranged in the box body 1, and four support plates 131 are evenly and fixedly arranged on the placement rack 13 along the height direction. A tray 1312 is placed on the support plate 131, and the tray 1312 can be detached from the support plate 131. A guide rod 2 is vertically slidably arranged in the box body 1, and four shielding covers 21 are fixedly arranged on the guide rod 2 along the height direction. Each shielding cover 21 is arranged corresponding to a tray 1312, and the shielding cover 21 is located directly above the tray 1312, and the bottom of the shielding cover 21 can be against the top of the tray 1312. A vent is opened on the shielding cover 21, and a dustproof net 213 is fixedly arranged in the vent.

[0035] Reference Figure 2 , a cylinder 14 is provided on the box body 1, and the cylinder 14 is electrically connected to the control panel 111, and the cylinder 14 is used to drive the guide rod 2 to slide. Specifically, two guide rods 2 are provided, one of which is fixedly connected to one side of the shielding cover 21, and the other guide rod 2 is fixedly connected to the other side of the shielding cover 21. The top ends of the two guide rods 2 penetrate and slide on the top of the box body 1, and a common connecting rod 22 is fixed together. The cylinder 14 is fixedly arranged on the top of the box body 1, and the output end of the cylinder 14 is arranged upward and fixedly connected to the common connecting rod 22. When it is necessary to drive the shielding cover 21 to be pressed down, the output end of the cylinder 14 is driven to retract, and the common connecting rod 22 drives the two guide rods 2 to slide down at the same time. When it is necessary to drive the shielding cover 21 to be lifted up, the output end of the cylinder 14 is driven to extend outward, and the common connecting rod 22 drives the two guide rods 2 to slide up at the same time.

[0036] Reference Figure 1 and Figure 2 When the wet material tends to be wet, the shielding cover 21 is in an upward state. The hot air blower 12 inputs hot air into the box body 1 to increase the temperature and air flow speed in the box body 1, so that the wet material is fully in contact with the hot air to achieve the effect of quickly drying the wet material. When the wet material tends to be dry, a signal is sent to the cylinder 14 through the control panel 111, and the cylinder 14 drives the guide rod 2 to slide down, and the shielding cover 21 is pressed down and against the tray 1312. The hot air can enter the tray 1312 from the vent, and the extremely fine powder in the tray 1312 is blocked by the dustproof net 213 and cannot escape from the tray 1312.

[0037] In order to improve the drying effect of the oven on wet materials, refer to Figure 2 and Figure 3A uniform wind box 15 is fixedly arranged on the inner side of one side wall of the box body 1. Four air holes 151 are evenly arranged in the vertical direction on the side of the uniform wind box 15 facing away from the side wall of the box body 1. The air outlet of the hot air blower 12 is connected to the uniform wind box 15. A circulation port 16 is arranged on the other side wall of the box body 1. A protective cover is installed on the circulation port 16. The circulation port 16 is connected to the air inlet of the hot air blower 12. A dehumidification box 17 is fixedly arranged on the outer side wall of the box body 1. A dehumidification plate 171 is installed in the dehumidification box 17. One end of the dehumidification box 17 is connected to the air inlet of the hot air blower 12, and the other end is connected to the circulation port 16.

[0038] Reference Figure 2 and Figure 3 When the hot air blower 12 is running, the hot air blower 12 inputs hot air into the wind box 15, and the hot air then flows out evenly from the air holes 151, which improves the uniformity of the hot air entering the box 1 and improves the fluidity of the hot air in the horizontal direction in the box 1, which helps to reduce the impact of the hot air on the moist material. Then the hot air in the box 1 is separated from the circulation port 16 and enters the dehumidification box 17. The dehumidification plate 171 in the dehumidification box 17 can adsorb the moisture in the hot air flow, and adsorb the moisture contained in the air on the dehumidification plate 171, thereby filtering out the moisture of the moist material and reducing the humidity of the air in the box 1. Finally, the hot air enters the hot air blower 12 again, replenishes power and heat, and then enters the box 1 again to form a thermal cycle, saving energy loss, thereby improving the drying effect of the oven on moist materials.

[0039] Reference Figure 3 and Figure 4 There are two vents, namely the first vent 211 and the second vent 212. The first vent 211 is arranged close to the wind box 15, and is fixedly installed with a guide cover 214, which is opposite to the wind hole 151. The guide cover 214 is used to guide the hot air into the second vent 212, and the second vent 212 is arranged close to the circulation port 16. When the shielding cover 21 is against the tray 1312, the inlet of the guide cover 214 is opposite to the wind hole 151, and the hot air is blown toward the guide cover 214 after leaving the wind hole 151. The guide cover 214 guides the hot air into the first vent 211, and flows in the tray 1312 and fully contacts the wet material, which improves the drying effect of the hot air on the wet material, and then the hot air flows out from the second vent 212, which improves the smoothness of the hot air flow trajectory, so as to further improve the drying effect of the oven on the wet material.

[0040] In order to facilitate the positioning of the tray 1312, refer to Figure 4The support plate 131 is provided with a positioning groove 1311, which is arranged opposite to the shielding cover 21, and the tray 1312 is placed in the positioning groove 1311. When the tray 1312 is placed on the support plate 131, the tray 1312 is located in the groove, which facilitates positioning of the placement position of the tray 1312 and ensures that the tray 1312 is opposite to the shielding cover 21.

[0041] The implementation principle of a heat circulation oven in an embodiment of the present application is as follows: when drying the wet material, pour the wet material into the tray 1312 and spread it out. The shielding plate is initially in an upward state, and the tray 1312 is placed in the groove on each support plate 131. Close the door 11 and start the hot air blower 12, which inputs hot air into the uniform wind box 15. The hot air then flows out evenly from the air hole 151, and the hot air is made to flow in the horizontal direction as much as possible in the box body 1, which reduces the impact of the hot air on the wet material and dries the wet material quickly. Then the hot air in the box body 1 is separated from the circulation port 16 and enters the dehumidification box 17. The dehumidification plate 171 in the dehumidification box 17 can adsorb the moisture in the hot air flow and reduce the humidity of the air in the box body 1. Finally, the hot air enters the hot air blower 12 again, replenishes power and heat, and then enters the box body 1 again to form a thermal cycle.

[0042] When the wet material tends to be dry, the control panel 111 drives the guide rod 2 to slide through the cylinder 14, so that the shielding cover 21 approaches the tray 1312 until it hits. After the hot air leaves the air hole 151, it is blown to the air guide cover 214. The air guide cover 214 guides the hot air into the first vent 211, flows in the tray 1312 and fully contacts the wet material, thereby improving the drying effect of the hot air on the wet material. Then the hot air flows out from the second vent 212, while the fine powder in the tray 1312 is blocked by the dust net 213 and cannot leave the tray 1312. In this way, the fine powder is prevented from being blown away by the hot air and attached to the inner wall of the box 1, thereby protecting the internal environment of the box 1.

[0043] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A thermal cycle oven, comprising a box body (1), wherein a box door (11) is arranged on the front of the box body (1), a hot air blower (12) is fixedly arranged on the top of the box body (1), and the hot air blower (12) is communicated with the inside of the box body (1), characterized in that: A placement rack (13) is arranged in the box body (1), and a plurality of support plates (131) are evenly and fixedly arranged on the placement rack (13) along the height direction, and a tray (1312) is placed on the support plate (131). A guide rod (2) is arranged vertically and slidably in the box body (1), and a plurality of shielding covers (21) are fixedly arranged on the guide rod (2) along the height direction, and each shielding cover (21) is arranged corresponding to a tray (1312). The shielding cover (21) is located directly above the tray (1312), and the bottom of the shielding cover (21) can be abutted against the top of the tray (1312). A ventilation hole is opened on the shielding cover (21), and a dustproof net (213) is fixedly arranged in the ventilation hole. A cylinder (14) is arranged in the box body (1), and the cylinder (14) is used to drive the guide rod (2) to slide.

2. A thermal cycle oven according to claim 1, characterized in that: A uniform air box (15) is fixedly arranged on the inner side of one side wall of the box body (1); a plurality of air holes (151) are evenly arranged on a side of the uniform air box (15) facing away from the side wall of the box body (1); an air outlet of the hot air blower (12) is connected to the uniform air box (15); a circulation port (16) is arranged on the other side wall of the box body (1); and the circulation port (16) is connected to an air inlet of the hot air blower (12).

3. A thermal cycle oven according to claim 2, characterized in that: A dehumidification box (17) is fixedly arranged on the box body (1), a dehumidification plate (171) is installed in the dehumidification box (17), one end of the dehumidification box (17) is interconnected with the air inlet of the hot air blower (12), and the other end of the dehumidification box (17) is interconnected with the circulation port (16).

4. A thermal cycle oven according to claim 3, characterized in that: There are two ventilation openings in total, namely a first ventilation opening (211) and a second ventilation opening (212); the first ventilation opening (211) is arranged close to the wind uniforming box (15); a guide cover (214) is fixedly installed on the first ventilation opening (211); the guide cover (214) is directly opposite to the wind hole (151); the guide cover (214) is used to guide hot air into the second ventilation opening (212); the second ventilation opening (212) is arranged close to the circulation port (16).

5. A thermal cycle oven according to claim 1, characterized in that: The guide rods (2) are provided in two numbers, one of which is fixedly connected to one side of the shielding cover (21), and the other of which is fixedly connected to the other side of the shielding cover (21). The top ends of the two guide rods (2) penetrate the top of the box body (1) and are fixedly connected to a common connecting rod (22). The cylinder (14) is fixedly arranged on the top of the box body (1), and the output end of the cylinder (14) is fixedly connected to the common connecting rod (22).

6. A thermal cycle oven according to claim 1, characterized in that: A control panel (111) is provided on the box door (11), and the hot air blower (12) and the cylinder (14) are both electrically connected to the control panel (111).

7. A thermal cycle oven according to claim 1, characterized in that: The box door (11) is provided with an observation window (112).

8. A thermal cycle oven according to claim 1, characterized in that: The support plate (131) is provided with an alignment groove (1311), the alignment groove (1311) is arranged opposite to the shielding cover (21), and the tray (1312) is placed in the alignment groove (1311).

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