Self-circulation drying device
By designing a closed circulation system and a self-circulation drying device protected by nitrogen, the problems of large exhaust gas volume, high VOC and low safety are solved, and the exhaust gas volume and VOC are reduced, solvent reuse and device safety are improved.
Patent Information
- Application Number
- CN202422203295.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-09
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-09-09
AI Technical Summary
The existing drying devices have large exhaust gas, high VOC and solvent consumption, and there is a risk of dust explosion, and the open system is unsafe.
A self-circulation drying device is designed, using a closed circulation system, which uses a water spraying ring and the gas recirculation after water removal through the water filter layer, combined with nitrogen protection, reduces the exhaust gas volume and VOC and improves safety.
The exhaust gas volume and VOC are reduced, the reuse and consumption of solvents are reduced, the safety and stability of the device are improved, and the possibility of dust explosion is avoided.
Smart Images
Figure CN223090939U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of drying equipment, in particular to a self-circulation drying device. Background Technique
[0002] Drying equipment is also called dryer and drying machine. It is used for drying operation equipment. By heating, the moisture in the material (generally refers to water or other volatile liquid components) is vaporized and escaped to obtain solid materials with a specified moisture content. The purpose of drying is for the use of materials or further processing needs. In the original drying device, the dried air is discharged to the tail gas after one cycle, which increases the tail gas volume, increases the VOC in the tail gas, wastes the solvent, and there is a possibility of dust explosion.
[0003] Therefore, in view of this, in view of the existing structural deficiencies, research and improvement are carried out, and a self-circulation drying device is proposed. Content of the Utility Model
[0004] The purpose of the utility model is to provide a self-circulation drying device to solve the problems raised in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A self-circulation drying device, including a chassis and a drying box fixedly connected to the upper surface of the chassis. A treatment barrel is fixedly connected to the left side position of the upper surface of the drying box. An air inlet pipe is fixedly connected to the right side of the outer circular surface of the treatment barrel. A bent pipe is fixedly connected to the outer surface of the air inlet pipe, and the lower end of the bent pipe is fixedly connected to the right side of the upper surface of the drying box. A treatment mechanism is arranged outside the drying box extending to the inside.
[0006] Preferably, the treatment mechanism includes a water spraying ring installed on the upper side inside the treatment barrel. A water filtering layer is arranged on the lower side inside the treatment barrel. A water outlet pipe is arranged outside the water filtering layer extending to the inside.
[0007] Preferably, a reinforcing rod is fixedly connected to the outer surface of the chassis, and the reinforcing rod is fixedly connected to the outer circular surface of the treatment barrel.
[0008] Preferably, a sheet metal is arranged on the right side of the lower surface of the drying box, and the sheet metal is a bent part of the drying box.
[0009] Preferably, a universal wheel is fixedly connected to the lower surface of the sheet metal, and the number of universal wheels is two.
[0010] Preferably, an observation port is arranged on the right side of the drying box, and tempered glass is fixedly connected to the inner surface of the observation port.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. By providing a chassis, a drying oven, a treatment barrel, an intake pipe, a bent pipe, a treatment mechanism, a water spraying ring, a water filtering layer, and a water outlet pipe, the drying oven of the present utility model achieves the expected purposes of reducing the exhaust air volume, reducing VOC, recycling solvents, and enhancing safety, thereby reducing the exhaust gas volume, reducing VOC in the exhaust gas, reducing solvent consumption, providing nitrogen protection, and enhancing safety;
[0013] 2. By providing reinforcing rods, sheet metal, universal wheels, and an observation port, the reinforcing rods improve the stability between the structures of the device, the sheet metal avoids secondary welding. Lifting the left side of the device, the universal wheels can provide convenience for the movement of the device, and the observation port facilitates the operator to observe the internal situation of the drying oven. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a schematic perspective view of the overall structure of the present utility model;
[0015] Figure 2 is the Figure 1 partial schematic perspective view of the present utility model;
[0016] Figure 3 is the Figure 2 front view partial sectional structure schematic view of the present utility model.
[0017] In the figures: 1, chassis; 2, drying oven; 3, treatment barrel; 4, intake pipe; 5, bent pipe; 6, treatment mechanism; 61, water spraying ring; 62, water filtering layer; 63, water outlet pipe; 7, reinforcing rod; 8, sheet metal; 9, universal wheel; 10, observation port. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0019] Such as Figures 1 - 3As shown in the figure, a self-circulating drying device includes a chassis 1 and a drying box 2 fixedly connected to the upper surface of the chassis 1. A treatment barrel 3 is fixedly connected to the left side position of the upper surface of the drying box 2. An air inlet pipe 4 is fixedly connected to the right side of the outer circumferential surface of the treatment barrel 3. A bent pipe 5 is fixedly connected to the outer surface of the air inlet pipe 4, and the lower end of the bent pipe 5 is fixedly connected to the right side of the upper surface of the drying box 2. A treatment mechanism 6 is arranged outside the interior of the drying box 2. The treatment mechanism 6 includes a water spraying ring 61 installed on the upper side inside the treatment barrel 3. A water filtering layer 62 is arranged on the lower side inside the treatment barrel 3. A water outlet pipe 63 is arranged outside the interior of the water filtering layer 62. The water spraying ring 61 is communicated with the water inlet pipe on the outer surface of the treatment barrel 3.
[0020] By adopting the above technical solution, this drying box 2 is an open drying device that has been improved into a closed circulation system. The dried air is sprayed with water ejected from the water spraying ring 61, and the gas after water removal by the water filtering layer 62 returns to the heater inside the drying box 2 and enters the fluidized bed inside the drying box 2. In this way, a closed circulation is formed. Before starting, nitrogen is used to replace the air, and a small amount of nitrogen is continuously supplemented during the drying process, achieving the expected purposes of reducing the exhaust air volume, reducing VOC, recycling solvents, and enhancing safety, reducing the exhaust gas volume, reducing VOC in the exhaust gas, reducing solvent consumption, nitrogen protection, and enhancing safety.
[0021] As Figure 1 As shown in the figure, a reinforcing rod 7 is fixedly connected to the outer surface of the chassis 1, and the reinforcing rod 7 is fixedly connected to the outer circumferential surface of the treatment barrel 3.
[0022] Furthermore, a sheet metal part 8 is arranged on the right side of the lower surface of the drying box 2, and the sheet metal part 8 is a bent part of the drying box 2.
[0023] Furthermore, a universal wheel 9 is fixedly connected to the lower surface of the sheet metal part 8, and the number of universal wheels 9 is two.
[0024] Furthermore, an observation port 10 is arranged on the right side of the drying box 2, and a toughened glass is fixedly connected to the inner surface of the observation port 10.
[0025] Working principle: When using this self-circulating drying device, first of all, this drying box 2 is an open drying device that has been improved into a closed circulation system. The dried air is sprayed with water ejected from the water spraying ring 61, and the gas after water removal by the water filtering layer 62 returns to the heater inside the drying box 2 and enters the fluidized bed inside the drying box 2. In this way, a closed circulation is formed. Before starting, nitrogen is used to replace the air, and a small amount of nitrogen is continuously supplemented during the drying process. The reinforcing rod 7 improves the stability between the structures of this device. The sheet metal part 8 avoids secondary welding. Lift the left side of this device, and the universal wheel 9 can provide convenience for the movement of this device. The observation port 10 can facilitate the operator to observe the internal situation of the drying box 2. This is the working principle of this self-circulating drying device.
Claims
1. A self-circulating drying device, comprising a chassis (1) and a drying box (2) fixedly connected to the upper surface of the chassis (1), characterized in that, On the left side of the upper surface of the drying box (2), a treatment barrel (3) is fixedly connected. On the right side of the outer circumferential surface of the treatment barrel (3), an air inlet pipe (4) is fixedly connected. A bent pipe (5) is fixedly connected to the outer surface of the air inlet pipe (4), and the lower end of the bent pipe (5) is fixedly connected to the right side of the upper surface of the drying box (2). A treatment mechanism (6) is arranged inside the drying box (2) and extends to the outside.
2. The self-circulating drying device according to claim 1, characterized in that, The treatment mechanism (6) includes a water spraying ring (61) installed on the upper side inside the treatment barrel (3). A water filtering layer (62) is arranged on the lower side inside the treatment barrel (3). A water outlet pipe (63) is arranged inside the water filtering layer (62) and extends to the outside.
3. The self-circulating drying device according to claim 1, characterized in that, Reinforcing rods (7) are fixedly connected to the outer surface of the chassis (1), and the reinforcing rods (7) are fixedly connected to the outer circumferential surface of the treatment barrel (3).
4. The self-circulating drying device according to claim 1, characterized in that, On the right side of the lower surface of the drying box (2), there is a sheet metal part (8), and the sheet metal part (8) is a bent part of the drying box (2).
5. The self-circulating drying device according to claim 4, characterized in that, A universal wheel (9) is fixedly connected to the lower surface of the sheet metal part (8), and the number of the universal wheels (9) is two.
6. The self-circulating drying device according to claim 1, characterized in that, An observation port (10) is arranged on the right side of the drying box (2), and tempered glass is fixedly connected to the inner surface of the observation port (10).