Temperature-controlled feeding reactor feeding device

By designing a temperature-controlled feeding device, and utilizing a combination of hot and cold medium jackets and insulation layers, the problem of uncontrollable feed temperature in chemical production was solved, thereby improving reaction efficiency and product quality and simplifying the operation process.

CN223542938UActive Publication Date: 2025-11-14WUHAN AOFEI TECH CO LTD
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Patent Information

Application Number
CN202423029288.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-11-14
Estimated Expiration
2034-12-09

AI Technical Summary

Technical Problem

In existing chemical production processes, traditional intermittent feeding methods cannot accurately control the temperature, resulting in uncontrollable reaction temperature, low reaction efficiency, and unstable product quality. Existing continuous feeding devices are complex in structure, inconvenient to operate, and have poor mixing effects.

Method used

Design a temperature-controlled feed reactor feeding device, including a feed assembly, a hot and cold medium jacket, an insulation jacket, and a flange assembly. The device is formed into a sealed structure by welding. The hot and cold medium jacket controls the temperature, the insulation jacket maintains temperature stability, the flange assembly ensures the device's airtightness, and the feed pipe adopts a serpentine tube to enhance the heat exchange effect.

Benefits of technology

It enables precise control of feed temperature, improves reaction efficiency and product quality, simplifies operation procedures, and enhances mixing effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of chemical equipment, in particular to a temperature-controlled feeding reactor feeding device. The device is mainly used for feeding materials in the chemical production process; the reactor feeding device is composed of a feeding assembly, a cooling and heating medium jacket, a heat preservation interlayer and a flange assembly. The feeding assembly is arranged on the middle layer, the other layers sequentially comprise the cold and hot medium jacket and the heat preservation interlayer, the flange assembly is arranged at the bottom of the outermost layer, most of the heat preservation interlayer is arranged on the front face of the welding flange, the front face and the back face of the welding flange need to be welded, and the sealing performance of the reactor feeding device is guaranteed. The cold and hot medium jacket of the reactor feeding device can be filled with temperature-controlled circulating liquid and is welded with the heat-insulating interlayer, so that the temperature of materials in the feeding device is controllable, the materials can reach an ideal temperature range before entering the reactor and being in contact with the materials, reaction byproducts are reduced, and the reaction efficiency and the product quality are improved.
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Description

Technical Field

[0001] This utility model relates to the field of chemical equipment technology, and in particular to a temperature-controlled feed reactor device. This device is mainly used for material feeding in chemical production processes, aiming to reduce reaction by-products and improve reaction efficiency and product quality. Background Technology

[0002] In chemical production processes, the reactor feeding method has a crucial impact on reaction efficiency and product quality. Traditional batch feeding methods, due to inherent drawbacks such as uncontrollable and uneven feed temperature, low reaction efficiency, and unstable product quality, are no longer sufficient to meet the high-efficiency and stable requirements of modern chemical production. In recent years, continuous feeding devices have gradually become a research hotspot; however, existing continuous feeding devices still have some shortcomings, such as complex structure, inconvenient operation, and poor mixing effects. Therefore, developing a reactor feeding device with a simple structure, convenient operation, and the ability to achieve temperature-controlled feeding is of great significance. Utility Model Content

[0003] To address the problem that existing chemical equipment cannot precisely control the feeding process, easily leading to excessively high or low reaction temperatures, thus affecting reaction efficiency and product quality, this utility model provides a temperature-controlled feeding reactor feeding device. This device includes a reactor feeding assembly, which is welded from a feeding component, a hot / cold medium jacket, an insulation jacket, and a flange assembly. The feeding component is located in the middle layer, with the other layers being, in order: the hot / cold medium jacket, the insulation jacket, and the flange assembly at the bottom outermost layer. Most of the insulation jacket is on the front of the welded flange, and both sides of the welded flange are welded to ensure the sealing of the reactor feeding device.

[0004] Preferably, the feeding assembly (20) includes a feeding pipe (201) and a feeding control valve (202).

[0005] Preferably, the feed pipe (201) is one of a straight pipe and a serpentine coil.

[0006] Preferably, the feed pipe (201) is welded with a hot and cold medium jacket (30). The hot and cold medium jacket (30) includes a hot and cold medium cavity (301) through which the hot and cold medium can pass, a feed pipe (302) at the lower end of the hot and cold medium jacket (30) and a feed pipe (303) at the upper end. The feed pipe is inserted from the bottom and exits from the top to ensure the smooth flow of the hot and cold medium, thereby controlling the temperature.

[0007] Preferably, the cold and hot medium jacket (30) is welded with an insulation layer (40) on the outside. The insulation layer (40) includes an insulation cavity (401) and insulation material (402). The insulation layer (40) can fully ensure the temperature stability of the cold and hot medium jacket (30).

[0008] Preferably, a flange assembly (50) is welded to the lower outer end of the insulation interlayer (40), and the flange assembly (50) includes a welding flange (501), a tongue and groove surface (502), and bolt holes (503).

[0009] Preferably, most of the insulation interlayer (40) is on the front of the welding flange (501), and welding is required on both sides of the welding flange (501) to ensure the sealing of the reactor feeding device.

[0010] Preferably, the number of bolt holes (503) is 2n, where n is one of 2, 3, 4, 5, 6, 7, 8, 9 and 10.

[0011] Preferably, the insulation material (402) in the insulation cavity (401) is selected from one of nano silica aerogel, glass wool, rock wool and calcium silicate thermal insulation material.

[0012] Preferably, all components except for the insulation material are made of one or a combination of zirconium 702, Hastelloy, 316L stainless steel, 304 stainless steel, 201 stainless steel and glass. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of a temperature-controlled feeding reactor feeding device according to the present invention;

[0014] Figure 2 This is a 3D structural schematic diagram of the reactor feeding device in this utility model;

[0015] Figure 3 This is a schematic diagram of the feeding assembly of the reactor feeding device;

[0016] Figure 4 This is a schematic diagram of the hot and cold medium jacket of the reactor feed device;

[0017] Figure 5 This is a schematic diagram of the insulation jacket of the reactor feeding device;

[0018] Figure 6 This is a schematic diagram of the flange assembly of the reactor feed device.

[0019] The correspondence between the labels and component names in the attached figures is as follows:

[0020] 10. Reactor feeding device;

[0021] 20. Feed assembly; 201. Feed pipe; 202. Feed control valve;

[0022] 30. Cold / hot medium jacket; 301. Cold / hot medium cavity; 302. Lower feed pipe; 303. Upper feed pipe;

[0023] 40. Insulation interlayer; 401. Insulation cavity; 402. Insulation material;

[0024] 50. Flange assembly; 501. Welded flange; 502. Tongue and groove face; 503. Bolt hole. Detailed Implementation

[0025] The present invention will be further described below with reference to specific utility models.

[0026] Example 1:

[0027] like Figure 1 As shown, it is a structural schematic diagram of a temperature-controlled feed reactor feeding device according to a preferred embodiment of the present invention. The temperature-controlled feed reactor feeding device in this embodiment includes a reactor feeding device (10). The reactor feeding device (10) is welded together from a feeding component (20), a hot and cold medium jacket (30), an insulation jacket (40), and a flange assembly (50). The feeding component (20) is in the middle layer, and the other layers are, in order: the hot and cold medium jacket (30), the insulation jacket (40), and the flange assembly (50) is at the bottom of the outermost layer. The material of each component is 316L stainless steel.

[0028] like Figure 3 As shown, this is a schematic diagram of the feeding assembly in this utility model. The feeding assembly (20) includes a feeding pipe (201) and a feeding control valve (202). To ensure sufficient heat exchange, the feeding pipe (201) adopts a serpentine shape. The components are connected by welding.

[0029] like Figure 4 As shown, this is a schematic diagram of the structure of the hot and cold medium jacket in this utility model. The hot and cold medium jacket (30) includes a hot and cold medium cavity (301) through which the hot and cold medium can pass, a lower feed pipe (302) and an upper feed pipe (303) of the hot and cold medium jacket (30), with the feed pipe entering from the bottom and exiting from the top to ensure the smooth flow of the hot and cold medium, thereby controlling the temperature. Figure 2 As shown, each component is welded together with the feed assembly (20) by welding.

[0030] like Figure 5 As shown, this is a schematic diagram of the thermal insulation interlayer in this utility model. The thermal insulation interlayer (40) includes a thermal insulation cavity (401) and a thermal insulation material (402). The thermal insulation interlayer (40) can fully ensure the temperature stability of the hot and cold medium jacket (30); the thermal insulation material used is rock wool. Figure 2 As shown, the components are welded together with the hot and cold medium jacket (30) by welding.

[0031] like Figure 6As shown, this is a structural schematic diagram of the flange assembly in this utility model. The flange assembly (50) includes a welding flange (501), a tongue and groove surface (502), and bolt holes (503). Figure 2 As shown, the components are welded together with the insulation interlayer (40).

[0032] like Figure 1 As shown, it is a schematic diagram of the structure of a temperature-controlled feed reactor feeding device according to a preferred embodiment of the present invention. In this embodiment, the refrigerant inlet enters from the lower feed pipe (302) of the hot and cold medium jacket (30), and the outlet is the upper feed pipe (303), which cools the feed assembly (20) and thus cools the material entering the feed pipe (201).

[0033] Example 2:

[0034] like Figure 1 As shown, it is a structural schematic diagram of a temperature-controlled feed reactor feeding device according to a preferred embodiment of the present invention. The temperature-controlled feed reactor feeding device in this embodiment includes a reactor feeding device (10). The reactor feeding device (10) is welded together by a feeding component (20), a hot and cold medium jacket (30), an insulation jacket (40), and a flange component (50). The feeding component (20) is in the middle layer, and the other layers are, in order: the hot and cold medium jacket (30), the insulation jacket (40), and the flange component (50) is at the bottom of the outermost layer. The material of each component is zirconium 702.

[0035] like Figure 3 As shown, this is a schematic diagram of the feeding assembly in this utility model. The feeding assembly (20) includes a feeding pipe (201) and a feeding control valve (202). To ensure sufficient heat exchange, the feeding pipe (201) adopts a serpentine shape. The components are connected by welding.

[0036] like Figure 4 As shown, this is a schematic diagram of the structure of the hot and cold medium jacket in this utility model. The hot and cold medium jacket (30) includes a hot and cold medium cavity (301) through which the hot and cold medium can pass, a lower feed pipe (302) and an upper feed pipe (303) of the hot and cold medium jacket (30), with the feed pipe entering from the bottom and exiting from the top to ensure the smooth flow of the hot and cold medium, thereby controlling the temperature. Figure 2 As shown, each component is welded together with the feed assembly (20) by welding.

[0037] like Figure 5 As shown, this is a schematic diagram of the thermal insulation interlayer in this utility model. The thermal insulation interlayer (40) includes a thermal insulation cavity (401) and a thermal insulation material (402). The thermal insulation interlayer (40) can fully ensure the temperature stability of the hot and cold medium jacket (30); the thermal insulation material used is rock wool. Figure 2As shown, the components are welded together with the hot and cold medium jacket (30) by welding.

[0038] like Figure 6 As shown, this is a structural schematic diagram of the flange assembly in this utility model. The flange assembly (50) includes a welding flange (501), a tongue and groove surface (502), and bolt holes (503). Figure 2 As shown, the components are welded together with the insulation interlayer (40).

[0039] like Figure 1 As shown, it is a schematic diagram of the structure of a temperature-controlled feed reactor feeding device according to a preferred embodiment of the present invention. In this embodiment, the refrigerant inlet enters from the feed pipe (302) at the lower end of the hot medium jacket (30), and the outlet is the feed pipe (303) at the upper end. The feed assembly (20) is heated, thereby heating the material entering the feed pipe (201).

[0040] Example 3:

[0041] like Figure 1 As shown, it is a structural schematic diagram of a temperature-controlled feed reactor feeding device according to a preferred embodiment of the present invention. The temperature-controlled feed reactor feeding device in this embodiment includes a reactor feeding device (10). The reactor feeding device (10) is welded together by a feeding assembly (20), a hot and cold medium jacket (30), an insulation jacket (40), and a flange assembly (50). The feeding assembly (20) is in the middle layer, and the other layers are, in order: the hot and cold medium jacket (30), the insulation jacket (40), and the flange assembly (50) is at the bottom of the outermost layer. All components are made of glass.

[0042] like Figure 3 As shown, this is a schematic diagram of the feeding assembly in this utility model. The feeding assembly (20) includes a feeding pipe (201) and a feeding control valve (202). To ensure sufficient heat exchange, the feeding pipe (201) adopts a serpentine shape. The components are connected by welding.

[0043] like Figure 4 As shown, this is a schematic diagram of the structure of the hot and cold medium jacket in this utility model. The hot and cold medium jacket (30) includes a hot and cold medium cavity (301) through which the hot and cold medium can pass, a lower feed pipe (302) and an upper feed pipe (303) of the hot and cold medium jacket (30), with the feed pipe entering from the bottom and exiting from the top to ensure the smooth flow of the hot and cold medium, thereby controlling the temperature. Figure 2 As shown, each component is welded together with the feed assembly (20) by welding.

[0044] like Figure 5As shown, this is a schematic diagram of the thermal insulation interlayer in this utility model. The thermal insulation interlayer (40) includes a thermal insulation cavity (401) and thermal insulation material (402). The thermal insulation interlayer (40) can fully ensure the temperature stability of the hot and cold medium jacket (30); the thermal insulation material used is glass wool. Figure 2 As shown, the components are welded together with the hot and cold medium jacket (30) by welding.

[0045] like Figure 6 As shown, this is a structural schematic diagram of the flange assembly in this utility model. The flange assembly (50) includes a welding flange (501), a tongue and groove surface (502), and bolt holes (503). Figure 2 As shown, the components are welded together with the insulation interlayer (40).

[0046] like Figure 1 As shown, it is a schematic diagram of the structure of a temperature-controlled feed reactor feeding device according to a preferred embodiment of the present invention. In this embodiment, the refrigerant inlet enters from the lower feed pipe (302) of the hot and cold medium jacket (30), and the outlet is the upper feed pipe (303), which cools the feed assembly (20) and thus cools the material entering the feed pipe (201).

Claims

1. A reactor feeding device with temperature-controlled feeding, characterized in that, include: The reactor feeding device (10) is welded from a feeding assembly (20), a hot and cold medium jacket (30), an insulation jacket (40), and a flange assembly (50). The feeding assembly (20) is in the middle layer, and the other layers are, in order: the hot and cold medium jacket (30), the insulation jacket (40), and the flange assembly (50) is at the bottom of the outermost layer. The feeding assembly (20) includes a feeding pipe (201) and a feeding control valve (202).

2. The reactor feeding device with temperature-controlled feeding according to claim 1, characterized in that: Except for the insulation material, all components of the reactor feeding device are made of one or more of the following materials: zirconium 702, Hastelloy, 316L stainless steel, 304 stainless steel, 201 stainless steel, and glass.

3. The reactor feeding device with temperature-controlled feeding according to claim 1, characterized in that: The feed pipe (201) is one of a straight pipe and a serpentine coil.

4. The reactor feeding device with temperature-controlled feeding according to claim 2, characterized in that: The feed pipe (201) is welded with a hot and cold medium jacket (30). The hot and cold medium jacket (30) includes a hot and cold medium cavity (301) through which the hot and cold medium can pass, a feed pipe (302) at the lower end of the hot and cold medium jacket (30) and a feed pipe (303) at the upper end. The feed pipe is inserted from the bottom and exits from the top to ensure the smooth flow of the hot and cold medium, thereby controlling the temperature.

5. A reactor feeding device with temperature-controlled feeding according to claim 3, characterized in that: The hot and cold medium jacket (30) is welded with an insulation layer (40) on the outside. The insulation layer (40) includes an insulation cavity (401) and insulation material (402). The insulation layer (40) can fully ensure the temperature stability of the hot and cold medium jacket (30).

6. The reactor feeding device with temperature-controlled feeding according to claim 4, characterized in that: The lower outer end of the insulation interlayer (40) is welded with a flange assembly (50), which includes a welding flange (501), a tongue and groove surface (502) and bolt holes (503).

7. A reactor feeding device with temperature-controlled feeding according to claim 5, characterized in that: The insulation material (402) in the insulation cavity (401) is selected from one of nano silica aerogel, glass wool, rock wool and calcium silicate thermal insulation materials.

8. A reactor feeding device with temperature-controlled feeding according to claim 5, characterized in that: Most of the insulation interlayer (40) is on the front of the welding flange (501). Both sides of the welding flange (501) must be welded to ensure the sealing of the reactor feeding device.

9. A reactor feeding device with temperature-controlled feeding according to claim 6, characterized in that: The number of bolt holes (503) is 2n, where n is one of 2, 3, 4, 5, 6, 7, 8, 9 and 10.