Tetrabutylammonium perchlorate purification equipment

Abstract

The utility model discloses tetrabutylammonium perchlorate purification equipment and belongs to the technical field of chemical purification equipment. The tetrabutylammonium perchlorate purification equipment comprises a pretreatment unit, a chemical reactor, a crystallizer, filtering separation equipment, an adsorption device and a control system, the pretreatment unit comprises a multi-stage filtering system, a raw material feeding metering pump and an automatic acid-base adding valve; the chemical reactor adopts a tubular reactor and is provided with an inlet and an outlet, and a heat exchange device is arranged outside the tubular reactor; the rectifying tower adopts a packed tower and is provided with a packing layer and a liquid distributor; the crystallizer comprises a crystallization tank, a jacket is arranged on the wall of the crystallization tank, and a stirrer, an elutriation column and a temperature control system are arranged in the crystallization tank; the filtering and separating equipment is provided with a filtering medium and adopts a rotary vacuum filter; the adsorption device is provided with a sensor array, the adsorption efficiency and the saturation degree of an adsorption material can be monitored in real time, and regeneration or program replacement can be automatically triggered through a control system.

Description

TECHNICAL FIELD

[0001] The utility model belongs to chemical purification equipment technical field, concretely relates to a kind of tetrabutylammonium perchlorate purification equipment. BACKGROUND

[0002] Tetrabutylammonium perchlorate as an important chemical raw material, in electrochemical analysis, organic synthesis and phase transfer catalysis etc. Field has extensive application. Traditional tetrabutylammonium perchlorate purification method exists operation complex, low efficiency, the problems such as impurity. In existing purification equipment, the pretreatment of raw material is often not fine enough, and the chemical reaction condition control is not accurate enough, which limits the efficiency of subsequent separation and purification steps and the quality of the product. In addition, the traditional equipment lacks effective automatic control in the key steps of rectification and crystallization, making it difficult to realize continuous production in the whole purification process, and the skill requirement of the operator is high. In order to solve these problems, it is necessary to design a novel structure, easy to operate, efficient and automatic control of tetrabutylammonium perchlorate purification equipment. SUMMARY

[0003] To solve the above-mentioned problems, the utility model discloses a kind of tetrabutylammonium perchlorate purification equipment, structure is reasonable, by integration pretreatment unit, chemical reactor, rectification tower, crystallizer, filter separation equipment, adsorption device and control system, realize the whole process automation control and optimization from raw material to product. In addition, the device also includes a number of technical innovations, such as the introduction of static mixer, the multi-layer detachable structure design of packed column, the application of rotary vacuum filter and the optional configuration of membrane separation unit, which further improves the purification efficiency and product quality.

[0004] To achieve the above purpose, the specific technical scheme of the present application is as follows:

[0005] A kind of tetrabutylammonium perchlorate purification equipment, including pretreatment unit, chemical reactor, rectification tower, crystallizer, filter separation equipment, adsorption device and control system;

[0006] The pretreatment unit includes multi-stage filtration system, raw material input metering pump, acid-base automatic adding valve;

[0007] The chemical reactor adopts pipe reactor, is equipped with inlet and outlet, and the pipe reactor is externally provided with heat exchange device;

[0008] The rectification tower adopts packed column, is equipped with packing layer, liquid distributor;

[0009] The crystallizer includes crystallization tank, and the wall of the crystallization tank is provided with a jacket, and the crystallization tank is provided with a stirrer, an elutriation column and a temperature control system;

[0010] The filter separation device is provided with filter medium, and the filter separation device adopts a rotary vacuum filter;

[0011] The adsorption device is equipped with a sensor array, which can monitor the adsorption efficiency and saturation of the adsorption material in real time, and automatically trigger the regeneration or replacement program through the control system.

[0012] Based on the above technical features, preferably, the pretreatment unit comprises a static mixer, which is provided with a plurality of branch and confluence zones inside to realize uniform mixing of the raw materials.

[0013] Based on the above technical features, further, the packing tower is provided with a support plate for supporting the packing layer, and the packing layer is a multi-layer detachable structure.

[0014] Based on the above technical features, optionally, the filter separation device is further connected with a membrane separation unit, which comprises a membrane material and a membrane filtration system, and the membrane filtration system comprises a feed pump, a reflux pipeline and a collection system.

[0015] Based on the above technical features, optionally, the membrane separation unit can be designed as a flat plate type, a tube type, a spiral winding type or a hollow fiber type.

[0016] Compared with the prior art, the beneficial effects of the present application are:

[0017] The present application realizes one-stop production from raw materials to high-purity products through the cooperation of the pretreatment unit, the chemical reactor, the crystallizer, the filter separation device, the adsorption device and the control system, improves the production efficiency and the product purity;

[0018] The pretreatment unit controls the input of raw materials and pH adjustment accurately, and the device can ensure the stability and efficiency of the chemical reaction, and the multi-stage filtration system effectively removes impurities in the raw materials, laying a solid foundation for subsequent purification;

[0019] The use of a tubular reactor and a high-efficiency heat exchange device enables the device to accurately control the reaction temperature, ensure the uniformity and efficiency of the chemical reaction, and improve the heat energy utilization rate and reduce the energy consumption;

[0020] The packing tower ensures the uniform distribution of liquid in the tower through the liquid distributor, further improving the separation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of the tetrabutylammonium perchlorate purification equipment.

[0022] LIST OF FIGURE IDENTIFIERS:

[0023] 1, pretreatment unit; 1-1, multistage filtration system; 1-2, raw material feeding metering pump; 1-3, automatic acid-base adding valve; 2, tubular reactor; 2-1, heat exchange device; 3, packed tower; 3-1, packing layer; 3-2, support plate; 3-3, liquid distributor; 4, crystallizer; 4-1, crystallization tank; 4-2, jacket; 5, filtration separation equipment; 6, membrane separation unit; 7, adsorption device; 8, control system. DETAILED DESCRIPTION

[0024] The application will be further clarified by the following description and specific embodiments, which should be understood as merely exemplary and not limiting the scope of the application.

[0025] It should be noted that the words "upper", "lower", "left", "right", "front" and "back" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a particular component. In addition, the terms "mount", "connect", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] As shown in Figure 1 An embodiment of a tetrabutylammonium perchlorate purification device, including a pretreatment unit 1, a chemical reactor, a rectifying column, a crystallizer 4, a filtration separation equipment 5, an adsorption device 7 and a control system 8.

[0027] The pretreatment unit 1 includes a multistage filtration system 1-1, a raw material feeding metering pump 1-2, and an automatic acid-base adding valve 1-3.

[0028] The chemical reactor adopts a tubular reactor 2, which is provided with an inlet and an outlet, and the tubular reactor 2 is provided with a heat exchange device 2-1; the reaction temperature is accurately controlled through the heat exchange device to ensure the smooth progress of the reaction.

[0029] The rectifying column adopts a packed tower 3, which is provided with a packing layer 3-1 and a liquid distributor 3-3; the packed tower is provided with a support plate for supporting the packing layer, and the packing layer is a multilayer detachable structure.

[0030] The crystallizer 4 includes a crystallization tank 4-1, the wall of which is provided with a jacket 4-2, and the crystallization tank 4-1 is provided with a stirrer, a elutriation column and a temperature control system.

[0031] The filtration separation equipment 5 is provided with a filter medium, and the filtration separation equipment adopts a rotary vacuum filter.

[0032] The adsorption device 7 is equipped with a sensor array, which can monitor the adsorption efficiency and saturation of the adsorption material in real time, and automatically trigger the regeneration or replacement program through the control system.

[0033] Preferably, the pretreatment unit 1 comprises a static mixer, which is internally provided with a plurality of branch and confluence zones to realize uniform mixing of the raw materials.

[0034] Optionally, the filtration and separation equipment 5 is further connected with a membrane separation unit 6, which comprises a membrane material and a membrane filtration system, and the membrane filtration system comprises a feed pump, a reflux pipeline and a collection system.

[0035] Optionally, the membrane separation unit can be designed as a flat plate type, a tube type, a spiral roll type or a hollow fiber type.

[0036] The pretreatment unit first performs multi-stage filtration on the raw materials, and adjusts the properties of the raw materials through a raw material feeding metering pump and an automatic acid-base adding valve, to ensure that the raw materials entering the chemical reactor are uniform and meet the reaction requirements. The rectifying column is designed as a packed column, and the packing layer is supported by a support plate, and a liquid distributor ensures uniform distribution of the liquid in the packing layer, realizing efficient gas-liquid mass transfer. The crystallizer comprises a crystallization tank, the crystallization tank is provided with a jacket, and is internally provided with a stirrer and a elutriation column, as well as a temperature control system, to accurately control the crystal growth conditions. The filtration and separation equipment adopts a rotary vacuum filter, which separates the solid crystals in the solution through a filter medium. The adsorption device is equipped with a sensor array, which monitors the adsorption efficiency and saturation in real time, and automatically triggers the regeneration or replacement program through the control system, to ensure the adsorption efficiency. The optional membrane separation unit is configured as needed, to further purify the product after filtration and separation.

[0037] The working process of the utility model is as follows:

[0038] After the raw materials are filtered and adjusted by the pretreatment unit, the raw materials are sent into the chemical reactor by a raw material feeding metering pump;

[0039] Chemical reaction is carried out in the chemical reactor to generate tetrabutylammonium perchlorate;

[0040] The raw materials enter the crystallizer to form crystals under controlled conditions;

[0041] The crystallized tetrabutylammonium perchlorate is subjected to solid-liquid separation by a rotary vacuum filter;

[0042] The filtered solid product enters the adsorption device to further remove impurities;

[0043] According to the needs, the product after filtration and separation can enter the membrane separation unit for final purification treatment;

[0044] Finally, high purity tetrabutylammonium perchlorate product is obtained.

[0045] It should be noted that the drawings merely illustrate the technical idea of the present application, and cannot limit the protection scope of the present application. For those skilled in the art, without departing from the principle of the present application, a number of improvements and refinements can be made, which all fall within the protection scope of the claims of the present application.

Claims

1. A purification apparatus for tetrabutylammonium perchlorate, characterized by: It comprises a pretreatment unit, a chemical reactor, a rectifying tower, a crystallizer, a filtration separation device, an adsorption device and a control system. The pretreatment unit comprises a multi-stage filtration system, a raw material feeding metering pump and automatic acid and alkali adding valves. The chemical reactor is a tubular reactor provided with an inlet and an outlet, and is externally provided with a heat exchange device. The rectifying tower is a packed tower provided with a packing layer and a liquid distributor. The crystallizer comprises a crystallization tank, the wall of which is provided with a jacket, and is internally provided with a stirrer, an elutriation column and a temperature control system. The filtration separation device is provided with a filter medium and is a rotary vacuum filter. The adsorption device is equipped with a sensor array that can monitor the adsorption efficiency and saturation of the adsorption material in real time and automatically trigger the regeneration or replacement program through the control system.

2. The tetrabutylammonium perchlorate purification apparatus of claim 1, wherein: The pretreatment unit comprises a static mixer internally provided with multiple shunt and confluence zones to achieve uniform mixing of the raw materials.

3. The tetrabutylammonium perchlorate purification apparatus of claim 1, wherein: The packed tower is internally provided with a support plate for supporting the packing layer, which is a multi-layer detachable structure.

4. The tetrabutylammonium perchlorate purification apparatus of claim 1, wherein: The filtration separation device is further connected to a membrane separation unit comprising a membrane material and a membrane filtration system, which comprises a feeding pump, a reflux pipeline and a collection system.

5. The apparatus for purifying tetrabutylammonium perchlorate according to claim 1, characterized in that: The filtration separation device is further connected to a membrane separation unit comprising a membrane material and a membrane filtration system, which comprises a feeding pump, a reflux pipeline and a collection system.

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