Accurate temperature control rectifying tower

Abstract

The utility model discloses a precise temperature control rectifying tower which comprises a stuffing box, a multi-section temperature control open heater and a precise temperature control assembly, the multi-section temperature control open heater is provided with a plurality of independent heating sections and is coaxially installed on the outer side of the stuffing box, and the precise temperature control assembly is arranged on the outer side of the stuffing box. The multiple heating sections heat multiple continuous sections of the stuffing box from bottom to top, each heating section is provided with a temperature measuring point, the precise temperature control assembly is coaxially installed at the top of the stuffing box, and a buffer cavity in the precise temperature control assembly communicates with an outlet in the top of the stuffing box. The precise temperature control assembly is used for monitoring and controlling the temperature of an outlet of the stuffing box. According to the utility model, accurate temperature control can be realized, so that the efficiency of a separation process and the purity of a product are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of chemical separation, and in particular relates to a precise temperature-controlled distillation tower. Background Art

[0002] Traditional distillation towers are widely used in chemical production to separate substances. However, due to inaccurate temperature control, low separation efficiency and insufficient product purity are often the result. It is difficult to achieve precise temperature control in multiple temperature control sections at the same time with existing technologies, especially when dealing with complex mixtures, it is often difficult to achieve the ideal separation effect. Therefore, a new type of distillation tower device is urgently needed to improve separation efficiency and accuracy. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a precise temperature-controlled distillation tower for the above-mentioned deficiencies in the prior art, which can achieve precise temperature control, thereby improving the efficiency of the separation process and the purity of the product.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a precise temperature-controlled distillation tower, comprising a stuffing box, a multi-stage temperature-controlled open heater and a precise temperature control component, the multi-stage temperature-controlled open heater has a plurality of independent heating sections, the multi-stage temperature-controlled open heater is coaxially installed on the outside of the stuffing box, the plurality of heating sections heat a plurality of continuous sections of the stuffing box from bottom to top, each of the heating sections has a temperature measuring point, the precise temperature control component is coaxially installed on the top of the stuffing box, and the buffer cavity in the precise temperature control component is connected to the top outlet of the stuffing box, and the precise temperature control component is used to monitor and control the outlet temperature of the stuffing box.

[0005] The above-mentioned precise temperature-controlled distillation tower, the precise temperature control component includes an oil bath circulator, an oil bath jacket, an external insulation shell and a temperature sensor, the oil bath jacket is arranged on the outside of the buffer cavity, an oil bath cavity is formed between the inner wall of the oil bath jacket and the outer wall of the buffer cavity, the oil inlet of the oil bath circulator is connected to the oil outlet of the oil bath jacket, the oil outlet of the oil bath circulator is connected to the oil inlet of the oil bath jacket, the external insulation shell is arranged on the outside of the oil bath jacket, and the temperature sensor is installed at the outlet of the buffer cavity.

[0006] In the above-mentioned precise temperature-controlled distillation tower, the inlet and outlet of the stuffing box are both provided with connecting flanges.

[0007] In the above-mentioned precise temperature-controlled distillation tower, the inlet and outlet of the stuffing box are both provided with grid meshes.

[0008] In the above-mentioned precise temperature-controlled distillation tower, the grid is fixed by an elastic retaining ring.

[0009] The above-mentioned precise temperature-controlled distillation tower, wherein the stuffing box is of modular design.

[0010] Compared with the prior art, the utility model has the following advantages:

[0011] 1. Multi-stage temperature-controlled open heater: The distillation tower uses an open heater with multiple independent heating sections, which means that different parts of the distillation tower can be independently temperature controlled. This design improves heating efficiency and temperature control accuracy.

[0012] 2. Continuous heating: The multiple heating sections of the heater continuously heat the multiple sections of the stuffing box from bottom to top, which helps to achieve a more uniform and stable heating effect.

[0013] 3. Temperature measuring point: Each heating section has a temperature measuring point, which allows the real-time temperature of each heating section to be monitored to ensure the accuracy and timely adjustment of temperature control.

[0014] 4. Coaxial installation: The coaxial installation design of the multi-stage temperature-controlled open heater and the precision temperature control component helps to maintain the compactness and symmetry of the structure, while possibly reducing space occupancy and improving overall thermal efficiency.

[0015] 5. Precision temperature control component: The component is designed to monitor and control the temperature of the stuffing box outlet, which is a very critical parameter in the distillation process and directly affects the efficiency of the distillation and the quality of the product.

[0016] In summary, compared with the existing technology, the advantages of this precise temperature control distillation tower are mainly reflected in the accuracy of temperature control, the improvement of heating efficiency, and the optimization of structural design. These features help to improve the efficiency of the distillation process and product quality, while potentially reducing energy consumption and maintenance costs.

[0017] The technical solution of the utility model is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model.

[0019] Figure 2 This is a schematic diagram of the structure of the stuffing box.

[0020] Figure 3 for Figure 2 A partial enlarged view of .

[0021] Figure 4 It is a structural schematic diagram of a multi-stage temperature-controlled open heater.

[0022] Figure 5 Schematic diagram of the structure of the precise temperature control component.

[0023] Description of reference numerals:

[0024] 1—Stuffing box; 2—Multi-stage temperature-controlled open heater; 3—Precision temperature control component;

[0025] 1-1—connecting flange; 1-2—grid; 1-3—elastic retaining ring;

[0026] 2-1—Heating section; 2-2—Temperature measuring point; 3-1—Oil bath jacket;

[0027] 3-2—External insulation shell; 3-3—Temperature sensor. DETAILED DESCRIPTION

[0028] refer to Figure 1 — Figure 5 As shown, this embodiment relates to a distillation tower with precise temperature control function, which is suitable for distillation processes in chemical, petroleum and pharmaceutical industries to achieve strict control of product purity.

[0029] Structure composition:

[0030] Stuffing box 1: Modular design, easy to install and replace. The stuffing can be replaced according to different needs.

[0031] Multi-section temperature-controlled open heater 2: consists of a plurality of independent heating sections 2-1, each heating section 2-1 is equipped with an independent temperature measuring point 2-2 to achieve precise control of the temperature.

[0032] Precision temperature control component 3: includes an oil bath circulator (existing product, not shown in the figure), an oil bath jacket 3-1, an external insulation shell 3-2 and a temperature sensor 3-3, to ensure accurate monitoring and adjustment of the outlet temperature of the stuffing box 1.

[0033] Detailed description:

[0034] Stuffing box 1: Both the inlet and outlet are provided with connecting flanges 1-1 to facilitate connection with other equipment. Grids 1-2 are also provided at the inlet and outlet to filter impurities to a certain extent.

[0035] Grid 1-2 fixation: Grid 1-2 is fixed by elastic retaining ring 1-3 to ensure its stability during operation.

[0036] Heater installation: The multi-stage temperature-controlled open heater 2 is coaxially installed on the outside of the stuffing box 1 to ensure heating efficiency and uniformity.

[0037] Oil bath circulator: A circulation system is formed through the oil inlet and outlet of the oil bath circulator and the oil bath jacket 3 - 1 to achieve uniform heating of the outer wall of the stuffing box 1 .

[0038] Oil bath jacket 3-1: It is sleeved on the outside of the buffer chamber connected to the outlet of the stuffing box 1, and an oil bath chamber is formed between the inner wall and the outer wall of the buffer chamber for oil circulation and heat transfer.

[0039] External insulation shell 3-2: It is arranged on the outside of the oil bath jacket 3-1 to reduce heat loss and improve energy efficiency.

[0040] Temperature sensor 3-3: installed at the outlet of the buffer chamber, monitors the outlet temperature in real time and performs feedback adjustment through the control system.

[0041] Operation process:

[0042] Step 1: The raw material enters the distillation tower through the inlet of the stuffing box 1.

[0043] Step 2: The multi-stage temperature-controlled open heater 2 heats different sections of the stuffing box 1 according to a set temperature curve.

[0044] Step 3: The oil bath circulator adjusts the oil temperature in the oil bath jacket 3 - 1 according to the feedback from the temperature sensor 3 - 3 to control the outlet temperature of the stuffing box 1 .

[0045] Step 4: The steam generated during the distillation process is discharged through the outlet at the top of the buffer chamber and condensed and recovered.

[0046] Step 5: Accurately control the purity of the distillation product by adjusting the parameters of the heater and the oil bath circulator.

[0047] advantage:

[0048] Modular design facilitates maintenance and upgrades.

[0049] Multi-stage independent temperature control improves the flexibility and accuracy of temperature control.

[0050] The oil bath circulation system ensures uniform heat transfer and efficient use.

[0051] The entire device is an open design, which facilitates equipment maintenance, monitoring and operation, and improves the operability and safety of the system.

[0052] The above is only a preferred embodiment of the present invention and does not constitute any limitation to the present invention. Any simple modification, change and equivalent structural change made to the above embodiments according to the technical essence of the present invention shall still fall within the protection scope of the technical solution of the present invention.

Claims

1. A precise temperature control distillation tower, characterized in that: It includes a stuffing box, a multi-stage temperature-controlled open heater and a precise temperature control component. The multi-stage temperature-controlled open heater has multiple independent heating sections. The multi-stage temperature-controlled open heater is coaxially installed on the outside of the stuffing box. The multiple heating sections heat multiple continuous sections of the stuffing box from bottom to top. Each of the heating sections has a temperature measuring point. The precise temperature control component is coaxially installed on the top of the stuffing box, and the buffer cavity in the precise temperature control component is connected to the top outlet of the stuffing box. The precise temperature control component is used to monitor and control the outlet temperature of the stuffing box.

2. A precise temperature control distillation tower according to claim 1, characterized in that: The precise temperature control component includes an oil bath circulator, an oil bath jacket, an external insulation shell and a temperature sensor. The oil bath jacket is arranged on the outside of the buffer cavity, and an oil bath cavity is formed between the inner wall of the oil bath jacket and the outer wall of the buffer cavity. The oil inlet of the oil bath circulator is connected to the oil outlet of the oil bath jacket, and the oil outlet of the oil bath circulator is connected to the oil inlet of the oil bath jacket. The external insulation shell is arranged on the outside of the oil bath jacket, and the temperature sensor is installed at the outlet of the buffer cavity.

3. A precise temperature control distillation tower according to claim 1, characterized in that: The inlet and outlet of the stuffing box are both provided with connecting flanges.

4. A precise temperature control distillation tower according to claim 1, characterized in that: The inlet and outlet of the stuffing box are both provided with grids.

5. A precise temperature control distillation tower according to claim 4, characterized in that: The grid is fixed by an elastic retaining ring.

6. A precise temperature control distillation tower according to claim 1, characterized in that: The stuffing box is of modular design.

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