Drying device for o-phenylenediamine production

By introducing air guide plates and exhaust gas treatment systems into the drying device for orthophenyldiamine production, the problems of waste gas pollution and uneven heating of materials are solved, and an efficient and environmentally friendly drying process is achieved.

CN223121838UActive Publication Date: 2025-07-18ANHUI DONGZHI GUANGXIN AGROCHEMICAL CO LTD
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Patent Information

Application Number
CN202421736696.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-22
Publication Date
2025-07-18
Estimated Expiration
2034-07-22

AI Technical Summary

Technical Problem

The existing drying device for production of orthophenyldiamine cannot effectively collect and treat waste gas during the drying process, which may lead to environmental pollution and the lack of air guide plates lead to uneven heating of materials.

Method used

A device including a bracket, a drying box, a blower, a air guide plate, an adsorption plate and a chemical reaction plate is designed to uniformly dry and treat exhaust gases, guide the wind direction through the air guide plate, and treat harmful gases and ensure drying uniformity and exhaust gas treatment efficiency.

Benefits of technology

It realizes efficient treatment of waste gas, avoids environmental pollution, and ensures uniform heating of materials through uniform wind direction control, improving drying efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a drying device for o-phenylenediamine production, and relates to the technical field of o-phenylenediamine production. A drying box is connected to the support, and a drying mechanism is arranged on the side edge of the drying box. Waste gas treatment mechanisms are installed on the two sides of a drying box, an adsorption plate and a chemical reaction plate are installed in an installation box, the adsorption plate is used for adsorbing harmful gas, the chemical reaction plate is used for catalytically converting the harmful gas and treating waste gas generated in the drying process, a turnover cover is connected with the installation box, and a handle is installed on the turnover cover. An operator can conveniently open and close the waste gas treatment mechanism to maintain and replace an adsorption plate or a chemical reaction plate, waste gas treatment can be more efficient by combining the adsorption plate and the chemical reaction plate, harmful substances in waste gas can be effectively removed or converted, the operator can conveniently open and close the waste gas treatment mechanism by turning over a cover and a handle, and the waste gas treatment efficiency is improved. And regular inspection, maintenance and replacement of internal components are facilitated.
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Description

Technical Field

[0001] The utility model relates to the technical field of o-phenylenediamine production, in particular to a drying device for o-phenylenediamine production. Background Art

[0002] A drying device for producing o-phenylenediamine is used to dry a solution or semi-solid material containing o-phenylenediamine during the process of producing o-phenylenediamine. The moisture in the material can be removed by drying to obtain a dry o-phenylenediamine product. The moisture in the solution or wet material containing o-phenylenediamine is evaporated to obtain a dry solid product. The moisture and other impurities in the product can be reduced by drying to improve the purity of the product. The dried product is easier to package and transport, the weight of the goods is reduced, and the transportation cost is reduced. When producing chemicals such as medicines, pesticides, dyes, etc. that require o-phenylenediamine, the device can ensure product quality and production efficiency, and meet the requirements of environmental protection and safe production.

[0003] The Chinese patent authorization announcement number is CN219454523U, and the name is a drying device for the production of o-phenylenediamine, including a shell, a driving motor is installed on the top of the shell, the output end of the driving motor is connected to a reducer, a transmission chamber is arranged inside the shell, a stirring bin is arranged at the bottom of the transmission chamber inside the shell, a stirring assembly is connected between the transmission chamber and the stirring bin, a heating chamber is arranged between the inside of the shell and the outside of the stirring bin, a heating coil is installed in the heating chamber, and a plurality of heating slots are opened on the side of the inner wall of the stirring bin. The utility model realizes uniform drying of o-phenylenediamine by uniformly mixing the material to be dried with two stirring blades installed vertically and asynchronously on the stirring assembly and uniformly heating each heating slot, thereby improving the drying quality;

[0004] The shortcomings of the above scheme are: although the above scheme can evenly dry o-phenylenediamine, it cannot collect the waste gas during the drying process. The waste gas may contain harmful substances. If not collected and treated, these substances will be directly discharged into the atmosphere, causing environmental pollution. In addition, the above scheme does not set an air guide plate during drying, and may not be able to effectively guide and control the wind direction and wind speed in the drying box, resulting in uneven heating of the material, some areas are dried too quickly, and other areas are not dried enough. Technical problems. Utility Model Content

[0005] The purpose of the utility model is to provide a drying device for the production of o-phenylenediamine, so as to solve the technical problems that the prior art cannot collect the waste gas in the drying process, the waste gas may contain harmful substances and cause pollution to the environment, and the above scheme does not set an air guide plate during drying, which may not be able to effectively guide and control the wind direction and wind speed in the drying box, resulting in uneven heating of the material.

[0006] The technical problem to be solved by the present utility model can be achieved through the following technical solutions:

[0007] A drying device for the production of o-phenylenediamine, comprising a bracket;

[0008] A drying mechanism is connected to the bracket, the drying mechanism is symmetrically arranged, the drying mechanism includes a plurality of support plates, a blower is connected to each of the plurality of support plates, and an air guide plate is connected to the air outlet of the blower;

[0009] A top cover is connected to the top of the drying box, a driving mechanism is connected to the top cover, the driving mechanism includes a driving motor, the driving motor is connected to the top cover, a rotating shaft is connected to the driving end of the driving motor, the rotating shaft is arranged inside the drying box, and a plurality of connecting blocks are connected to the rotating shaft. Each connecting block is connected with a plurality of placing mechanisms;

[0010] Exhaust gas treatment mechanisms are arranged on both sides of the drying box. Each exhaust gas treatment mechanism includes an installation box and an air outlet pipe. A fixing plate is connected to the drying box, the installation box is connected to the fixing plate, the air outlet pipe is connected to the installation box, an adsorption plate and a chemical reaction plate are arranged inside the installation box, a flip cover is rotatably connected to the installation box, and a handle is connected to the flip cover.

[0011] As a further scheme of the present utility model: The placing mechanism includes a placing box, each placing box is connected to the connecting block, a bottom plate is connected to the bottom of the placing box, a liquid outlet is arranged at the bottom of the drying box, the liquid outlet is arranged between two inclined plates, and a collection box is arranged below the liquid outlet.

[0012] As a further scheme of the present utility model: Both the placing box and the bottom plate are mesh plates.

[0013] As a further scheme of the present utility model: The bottom of the drying box is an inclined plate.

[0014] As a further scheme of the present utility model: The adsorption plate is an activated carbon plate.

[0015] As a further scheme of the present utility model: The chemical reaction plate is filled with a catalyst.

[0016] The beneficial effects of the present utility model:

[0017] 1. The waste gas treatment mechanism of the present utility model is installed on both sides of the drying box. An adsorption plate and a chemical reaction plate are installed in the installation box. The adsorption plate is used to adsorb harmful gases, and the chemical reaction plate is used to catalytically convert harmful gases, for treating the waste gas generated during the drying process. The flip cover is connected to the installation box and is equipped with a handle, which facilitates the operator to open and close the waste gas treatment mechanism for maintenance and replacement of the adsorption plate or the chemical reaction plate. Combining the adsorption plate and the chemical reaction plate can make the waste gas treatment more efficient, effectively removing or converting harmful substances in the waste gas. The flip cover and the handle enable the operator to conveniently open and close the waste gas treatment mechanism, facilitating regular inspection, maintenance, and replacement of internal components.

[0018] 2. The drying mechanism of the present utility model consists of multiple support plates and blowers installed thereon. They are symmetrically arranged to ensure the uniformity of the drying process. The air outlet of the blower is connected with a wind guiding plate, and the function of the wind guiding plate is to guide the wind direction to ensure uniform air flow in the drying box. The symmetrically arranged blowers can ensure uniform air flow in the drying box, helping the material to receive equal hot air contact in each area, avoiding uneven drying of the material. Uniform air flow can accelerate the drying speed, improve the drying efficiency, and shorten the drying time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The following further describes the present utility model with reference to the drawings.

[0020] Figure 1 is the schematic diagram of the overall structure of the present utility model;

[0021] Figure 2 is the schematic top view structure of the placement box in the present utility model;

[0022] Figure 3 is the schematic structure of the installation box in the present utility model.

[0023] In the figure: 1. Bracket; 2. Drying box; 3. Support plate; 4. Blower; 5. Wind guiding plate; 6. Liquid outlet; 7. Collection box; 8. Top cover; 9. Driving motor; 10. Rotating shaft; 11. Connecting block; 12. Placement box; 13. Air outlet pipe; 14. Adsorption plate; 15. Chemical reaction plate; 16. Bottom plate; 17. Installation box; 18. Fixed plate; 19. Flip cover. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the 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.

[0025] As Figures 1 - 3 shown, a drying device for the production of o-phenylenediamine includes a bracket 1, a drying box 2 is connected to the bracket 1, a drying mechanism is provided on the side of the drying box 2, the drying mechanisms are symmetrically arranged, the drying mechanism includes a plurality of support plates 3, a blower 4 is connected to each of the plurality of support plates 3, and an air guide plate 5 is connected to the air outlet of the blower 4;

[0026] A top cover 8 is connected to the top of the drying box 2, a driving mechanism is connected to the top cover 8, the driving mechanism includes a driving motor 9, the driving motor 9 is connected to the top cover 8, the driving end of the driving motor 9 is connected to a rotating shaft 10, the rotating shaft 10 is arranged inside the drying box 2, a plurality of connecting blocks 11 are connected to the rotating shaft 10, and a plurality of placing mechanisms are connected to each of the connecting blocks 11. The placing mechanism includes a placing box 12, each placing box 12 is connected to the connecting block 11, a bottom plate 16 is connected to the bottom of the placing box 12, both the placing box 12 and the bottom plate 16 are mesh plates, the bottom of the drying box 2 is an inclined plate, a liquid outlet 6 is provided at the bottom of the drying box 2, the liquid outlet 6 is arranged between two inclined plates, and a collection box 7 is provided below the liquid outlet 6;

[0027] Exhaust gas treatment mechanisms are provided on both sides of the drying box 2. Each exhaust gas treatment mechanism includes an installation box 17 and an air outlet pipe 13. A fixing plate 18 is connected to the drying box 2, the installation box 17 is connected to the fixing plate 18, the air outlet pipe 13 is connected to the installation box 17, an adsorption plate 14 and a chemical reaction plate 15 are arranged inside the installation box 17, the adsorption plate 14 is an activated carbon plate, a catalyst is filled inside the chemical reaction plate 15, a flip cover 19 is rotatably connected to the installation box 17, and a handle is connected to the flip cover 19.

[0028] Working principle of the utility model: The drying mechanism consists of multiple support plates 3 and blowers 4 installed thereon. They are symmetrically arranged to ensure the uniformity of the drying process. The air outlet of the blower 4 is connected to a wind guide plate 5. The function of the wind guide plate 5 is to guide the wind direction and ensure uniform air flow in the drying box 2. The drying box 2 is the main part of the whole device. The driving motor 9 on the top cover 8 drives the rotating shaft 10 to drive the connecting blocks 11. A placing mechanism is connected to these connecting blocks 11 for placing o-phenylenediamine. Both the placing box 12 and the bottom plate 16 are mesh plates, allowing air circulation and heat transfer. The placing box 12 is used to place the o-phenylenediamine to be dried. The driving mechanism drives the placing box 12 to rotate through the driving motor 9 to uniformly receive the heat inside the drying box 2. The blower 4 generates wind and evenly sends the wind into the drying box 2 through the wind guide plate 5 to heat and dry the material. The bottom of the drying box 2 is designed as an inclined plate, and a liquid outlet 6 is provided at the bottom to discharge the liquid generated during the drying process. The collection box 7 is used to collect the liquid discharged from the drying box 2; The waste gas treatment mechanism is installed on both sides of the drying box 2. An adsorption plate 14 and a chemical reaction plate 15 are installed in the installation box 17. The adsorption plate 14 is used to adsorb harmful gases, and the chemical reaction plate 15 is used to catalytically convert harmful gases for treating the waste gas generated during the drying process. The flip cover 19 is connected to the installation box 17 and is equipped with a handle, which is convenient for the operator to open and close the waste gas treatment mechanism for maintenance and replacement of the adsorption plate 14 or the chemical reaction plate 15;

[0029] The design of this drying device is to make the drying process more efficient and automated, and at the same time treat the generated waste gas to reduce the impact on the environment.

[0030] The above has described an embodiment of the utility model in detail, but the content is only the preferred embodiment of the utility model and cannot be considered as limiting the scope of implementation of the utility model. All equivalent changes and improvements made according to the scope of the application of the utility model shall still fall within the scope covered by the patent of the utility model.

Claims

1. A drying device for the production of o-phenylenediamine, comprising a bracket (1); characterized in that: A drying box (2) is connected to the bracket (1), a drying mechanism is provided on the side of the drying box (2), the drying mechanisms are symmetrically arranged, the drying mechanism includes a plurality of support plates (3), a blower (4) is connected to each of the plurality of support plates (3), and an air guide plate (5) is connected to the air outlet of the blower (4); A top cover (8) is connected to the top of the drying box (2), a driving mechanism is connected to the top cover (8), the driving mechanism includes a driving motor (9), the driving motor (9) is connected to the top cover (8), the driving end of the driving motor (9) is connected to a rotating shaft (10), the rotating shaft (10) is arranged inside the drying box (2), a plurality of connecting blocks (11) are connected to the rotating shaft (10), and a plurality of placing mechanisms are connected to each connecting block (11); Exhaust gas treatment mechanisms are provided on both sides of the drying box (2), each exhaust gas treatment mechanism includes an installation box (17) and an air outlet pipe (13), a fixing plate (18) is connected to the drying box (2), the installation box (17) is connected to the fixing plate (18), the air outlet pipe (13) is connected to the installation box (17), an adsorption plate (14) and a chemical reaction plate (15) are arranged inside the installation box (17), a flip cover (19) is flip-connected to the installation box (17), and a handle is connected to the flip cover (19).

2. The drying device for producing o-phenylenediamine according to claim 1, wherein, The placing mechanism includes a placing box (12), each placing box (12) is connected to the connecting block (11), a bottom plate (16) is connected to the bottom of the placing box (12), a liquid outlet (6) is provided at the bottom of the drying box (2), the liquid outlet (6) is arranged between two inclined plates, and a collection box (7) is provided below the liquid outlet (6).

3. The drying device for producing o-phenylenediamine according to claim 2, characterized in that, Both the placing box (12) and the bottom plate (16) are mesh plates.

4. A drying device for the production of o-phenylenediamine according to claim 2, characterized in that, The bottom of the drying box (2) is an inclined plate.

5. A drying device for the production of o-phenylenediamine according to claim 1, characterized in that, The adsorption plate (14) is an activated carbon plate.

6. The drying device for producing o-phenylenediamine according to claim 1, wherein, The chemical reaction plate (15) is filled with a catalyst inside.

Citation Information

Patent Citations

  • Drying device for o-phenylenediamine production

    CN219454523U