Anti-wall-hanging integrated sodium bicarbonate preparation reaction kettle

Abstract

The utility model discloses an anti-wall-hanging integrated sodium bicarbonate preparation reaction kettle, and relates to chemical equipment. Comprising a reaction kettle, a stirring device, a central cylinder, a feeding device, a material deposition and concentration device, a material taking-out device, a mother liquor heating device and a mother liquor circulation disturbance device, the central cylinder is arranged at the upper position in the reaction kettle; the stirring device is divided into a plurality of layers of stirrers, and upper-layer stirring blades are arranged in the central cylinder; the feeding device is arranged on the reaction kettle at the top of the central cylinder; a liquid inlet is formed in the top of the reaction kettle; the material deposition and concentration device and the material taking-out device are sequentially arranged at the bottom of the reaction kettle; the mother liquor circulation disturbance device is used for communicating the bottom and the top of the reaction kettle through a pipeline; and the mother liquor heating device communicates the bottom and the top of the reaction kettle through a pipeline. According to the utility model, the mixing and reaction efficiency of solution and solid material is realized, the material hanging on the wall is reduced, and the product quality and the production efficiency are improved.

Description

Technical Field

[0001] The utility model relates to chemical equipment, in particular to an anti-wall-hanging integrated sodium bicarbonate preparation reaction kettle. Background Art

[0002] In traditional equipment processes for producing sodium bicarbonate, sodium chloride, and sodium sulfate, multiple reactors are often connected in series. This process has many drawbacks, including high equipment investment costs and large floor space. It also increases the difficulty of material transportation and mixing. In addition, materials are prone to wall adhesion during the reaction process, affecting reaction efficiency and product quality.

[0003] In order to solve the above-mentioned defects in the prior art, it is particularly important to develop an anti-wall-adhering reactor that can integrate feeding, mixing, reaction, crystallization and material removal. Utility Model Content

[0004] The utility model aims to provide an anti-wall-hanging integrated sodium bicarbonate preparation reaction kettle.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] An anti-wall-sticking integrated sodium bicarbonate preparation reactor, comprising a reactor, a stirring device, a central cylinder, a feeding device, a material deposition and concentration device, a material removal device, a mother liquor heating device, and a mother liquor circulation disturbance device;

[0007] The central cylinder is arranged at the upper position of the reactor and serves as the feeding and reaction area for the solid materials;

[0008] The stirring device is divided into a multi-layer stirrer, wherein the upper stirring blades are arranged in the central cylinder to push the incoming solid material downward, and the lower stirring blades have the function of lifting the material upward;

[0009] The feeding device is arranged on the reactor at the top of the central cylinder, and the top of the reactor is also provided with a liquid inlet;

[0010] The material deposition and concentration device and the material removal device are sequentially arranged at the bottom of the reactor;

[0011] The mother liquor circulation disturbance device connects the bottom and top of the reactor through a pipeline, and is used to circulate and disturb the mother liquor in the reactor;

[0012] The mother liquid heating device connects the bottom and the top of the reactor through a pipeline, and is used to adjust the temperature of the mother liquid in the reactor.

[0013] Furthermore, the inner wall of the reactor shell is coated with a wear-resistant layer, which is smooth and hard. The inner wall wear-resistant layer is made of a corrosion-resistant, high-temperature-resistant material with a smooth surface to prevent the material from sticking to the wall during the reaction.

[0014] A feeding device is provided on the middle side wall of the reactor shell, that is, a feeding device is provided on the top and side wall of the reactor respectively, for adding ammonium bicarbonate solid into the reactor.

[0015] A liquid inlet is provided on the top of the reactor for injecting a solution containing sodium chloride or sodium sulfate into the reactor.

[0016] The stirring device is divided into three layers of stirring blades, wherein the upper stirring blades are arranged in the central tube, and the middle and lower stirring blades are arranged in the reactor at the lower part of the central tube. The upper stirring blades are arranged in the central tube to push the entering solid material downward, and the middle and lower stirring blades have the function of lifting the material upward, so as to reduce the sinking speed of the solid material in the central tube and prolong the uniform mixing reaction time of the reactants.

[0017] The main body of the utility model has an overall structure and an inner wall coated with a smooth, hard, wear-resistant layer, which effectively prevents the material from sticking to the wall during the reaction; the stirring blades of the stirring device adopt a specific angle and shape, and the upper stirring blades are placed in the central tube, responsible for pushing the solid material downward; the middle and lower stirring blades have an upward lifting effect, extending the sinking path of the solid material in the central tube, increasing the mixing uniformity and reaction time of the reactants; the central tube serves as the main feeding and reaction area for the solid material, which helps to enhance the mixing effect and reaction efficiency of the material; the material deposition and concentration device is located at the bottom of the reactor, which is used to collect and concentrate the sodium bicarbonate crystals generated by the reaction; the material removal device is used to remove the finished sodium bicarbonate from the reactor; the mother liquor is disturbed by circulation, the contact area between the solution and the solid is increased, and the reaction is promoted; the mother liquor heating device is used to adjust the reaction temperature to ensure that the reaction is carried out under optimal conditions. It is the main body of the overall structure, and the inner wall is coated with a smooth, hard, wear-resistant layer, which effectively prevents the material from sticking to the wall during the reaction.

[0018] The utility model realizes the mixing and reaction efficiency of solution and solid material, reduces the material sticking to the wall, improves product quality and production efficiency, solves the traditional material generation reactor equipment of multiple reactors connected in series, guiding liquid, stirring and mixing, reduces equipment investment cost, saves mechanical equipment and manual operation difficulty. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural diagram of the present utility model.

[0020] In the figure: 1-reactor, 2-stirring device, 3-mother liquor circulation disturbance device, 4-center cylinder, 5-liquid inlet, 6-feeding device, 7-material deposition and concentration device, 8-material removal device, 9-mother liquor heating device. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] like Figure 1 The present invention relates to an anti-wall-sticking integrated sodium bicarbonate preparation reactor, which is characterized by comprising a reactor 1, a stirring device 2, a central tube 4, a feeding device 6, a material deposition and concentration device 7, a material removal device 8, a mother liquor heating device 9, and a mother liquor circulation disturbance device 3; the central tube 4 is arranged at the upper position in the reactor 1, serving as a feeding and reaction area for solid materials; the stirring device 2 is divided into multiple layers of stirring blades, preferably three layers, wherein the upper stirring blades are arranged in the central tube 4, for pushing the incoming solid materials downward, and the middle and lower stirring blades have the function of lifting the materials upward, so as to reduce the sinking speed of the solid materials in the central tube 4 and prolong the uniform mixing reaction of the reactants. time; the feeding device 6 is arranged on the reactor 1 at the top of the central tube 4 and on the middle side wall of the reactor 1, and is used to add ammonium bicarbonate solid into the reactor 1; the material deposition and concentration device 7 and the material removal device 8 are sequentially arranged at the bottom of the reactor 1, the material deposition and concentration device 7 is used to collect and concentrate the sodium bicarbonate crystals generated by the reaction, and the material removal device 8 is used to remove the finished sodium bicarbonate from the reactor; the mother liquor circulation disturbance device 3 connects the bottom and the top of the reactor 1 through a pipeline, and is used to circulate and disturb the mother liquor in the reactor; the mother liquor heating device 9 connects the bottom and the top of the reactor 1 through a pipeline, and is used to adjust the temperature of the mother liquor in the reactor.

[0023] The inner wall of the reactor is coated with a smooth and hard wear-resistant layer and is made of a corrosion-resistant, high-temperature-resistant material with a smooth surface to prevent the material from sticking to the wall during the reaction. The central cylinder 4 serves as the main feeding and reaction area for solid materials. The liquid inlet 5 is used to inject a solution containing sodium chloride or sodium sulfate into the reactor. The feeding device 6 is used to add solid ammonium bicarbonate into the reactor.

Claims

1. An anti-wall-sticking integrated sodium bicarbonate preparation reactor, characterized in that It includes a reaction kettle, a stirring device, a central cylinder, a feeding device, a material deposition and concentration device, a material removal device, a mother liquor heating device, and a mother liquor circulation disturbance device; The central cylinder is arranged at the upper position of the reactor and serves as the feeding and reaction area for the solid materials; The stirring device is divided into multiple layers of stirring blades, wherein the upper stirring blades are arranged in the central cylinder and are used to push the incoming solid material downwards; The feeding device is arranged on the reactor at the top of the central cylinder, and the top of the reactor is also provided with a liquid inlet; The material deposition and concentration device and the material removal device are sequentially arranged at the bottom of the reactor; The mother liquor circulation disturbance device connects the bottom and top of the reactor through a pipeline, and is used to circulate and disturb the mother liquor in the reactor; The mother liquid heating device connects the bottom and the top of the reactor through a pipeline, and is used to adjust the temperature of the mother liquid in the reactor.

2. The anti-wall-sticking integrated sodium bicarbonate preparation reactor according to claim 1, characterized in that: The inner wall of the reactor shell is coated with a wear-resistant layer.

3. The anti-wall-hanging integrated sodium bicarbonate preparation reaction kettle according to claim 1 or 2, characterized in that: A feeding device is provided on the middle side wall of the reactor shell.

4. The anti-wall-hanging integrated sodium bicarbonate preparation reaction kettle according to claim 1 or 2, characterized in that: The stirring device is divided into three layers of stirring blades, wherein the upper layer of stirring blades is arranged in the central tube, and the middle and lower layers of stirring blades are arranged in the reactor at the lower part of the central tube.

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