Neutralization reaction equipment for monosodium glutamate production

By designing a quantity control and stirring mechanism, sodium hydroxide reagent is slowly added and mixed evenly, solving the problem of excessively high local concentrations in the reaction tank during monosodium glutamate production, thus achieving efficient neutralization and reducing waste.

CN224025027UActive Publication Date: 2026-03-24CHONGQING QUANJING FOOD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In existing monosodium glutamate (MSG) production neutralization reaction tanks, the direct pouring of sodium hydroxide reagent into the glutamate solution can cause a sudden increase in local concentration, potentially generating impurities and affecting the neutralization effect.

Method used

The system employs a volume control mechanism and a stirring mechanism. Sodium hydroxide reagent is slowly added through the combination of a square tube, inlet, threaded rod, movable plug, auxiliary knob, and volume window. The system also ensures uniform mixing and crystal removal through the combination of a geared motor, rotating rod, stirring rod, and U-shaped scraper.

Benefits of technology

It avoids the generation of impurities caused by excessively high local concentrations, ensures neutralization effect, reduces waste, and is simple and easy to operate.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224025027U_ABST
    Figure CN224025027U_ABST
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Abstract

The utility model discloses neutralization reaction equipment for monosodium glutamate production, and relates to the technical field of monosodium glutamate production. The neutralization reaction equipment for monosodium glutamate production comprises a neutralization tank, a quantity control mechanism and a stirring mechanism, and a liquid storage tank is fixedly mounted at the top of the neutralization tank; the quantity control mechanism is arranged at the top of the neutralization tank and comprises a square pipe and a movable plug, the top of the inner side of the liquid storage tank is fixedly connected with one end of the square pipe, the other end of the square pipe penetrates through the liquid storage tank and extends into the neutralization tank, and the movable plug is arranged in the square pipe; the outer wall of the movable plug is attached to but not connected with the inner wall of the square tube; the stirring mechanism is arranged in the neutralizing tank and comprises a rotating rod, a stirring rod and a U-shaped scraper. A certain proportion of sodium hydroxide reagent is slowly and continuously added into the glutamic acid solution to gradually neutralize the acidity of the liquid, so that the local sodium hydroxide concentration of the glutamic acid solution is prevented from being suddenly too high, other impurity components are prevented from being generated, and the neutralization effect of the device is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of monosodium glutamate production technology, especially to a monosodium glutamate production neutralization reaction equipment. BACKGROUND

[0002] The solution of starch hydrolysis to produce glutamic acid is acidic, and needs to neutralize excess acid to convert free glutamic acid into sodium glutamate.

[0003] Chinese patent document CN216093674U discloses a novel monosodium glutamate production neutralization reaction tank, which comprises a cylinder body, an opening is arranged on one side of the top of the cylinder body, a movable grille is installed on the top of the opening, a stirring and transmission device is installed in the middle of the cylinder body, a first connecting pipe is vertically arranged on one side of the inside of the cylinder body, a lower connecting pipe is connected below the first connecting pipe at the bottom of the cylinder body, a lower connecting pipe bottom plate is installed at the bottom of the lower connecting pipe, a second connecting pipe and a third connecting pipe are also installed on the top of the cylinder body, and the movable grille is rotationally connected to the top of the cylinder body through a hinge. The movable grille of the novel monosodium glutamate production neutralization reaction tank can prevent large particles from entering the inside of the cylinder body and avoid blockage of the internal pipeline, and the stirrer can scatter the raw materials to prevent them from caking, thereby preventing the pipeline from being blocked, and the filter screen at the bottom end of the first connecting pipe can prevent particles from being sucked into the pipeline by the pump, and the injection of steam into the cylinder body through the steam pipe can effectively reduce the generation of foam.

[0004] When the above-mentioned monosodium glutamate production neutralization reaction tank is used, a certain proportion of sodium hydroxide reagent is directly poured into the glutamic acid solution, which causes the local sodium hydroxide concentration of the glutamic acid solution to suddenly become too high, may react to produce other impurity components, and affects the neutralization effect of the device. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a monosodium glutamate production neutralization reaction equipment, which can solve the problem that when the above-mentioned monosodium glutamate production neutralization reaction tank is used, a certain proportion of sodium hydroxide reagent is directly poured into the glutamic acid solution, which causes the local sodium hydroxide concentration of the glutamic acid solution to suddenly become too high, may react to produce other impurity components, and affects the neutralization effect of the device.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A monosodium glutamate production neutralization reaction equipment, including neutralization tank, control mechanism and stirring mechanism, the top of neutralization tank is fixedly installed with liquid storage tank, control mechanism sets up in the top of neutralization tank, and control mechanism includes square tube and movable plug, and the inside top of liquid storage tank is fixedly connected with one end of square tube, and the other end of square tube extends to the inside of neutralization tank through liquid storage tank, and the inside of square tube is provided with movable plug, and the outer wall of movable plug is attached to the inner wall of square tube but is not connected, stirring mechanism sets up in the inside of neutralization tank, and stirring mechanism includes rotating rod, stirring rod and U type scraper, and the outer wall of rotating rod is fixedly installed with multiple groups of stirring rod, and one end of stirring rod is fixedly installed with U type scraper.

[0007] Preferably, the control mechanism further includes a liquid inlet, a threaded rod, an auxiliary knob and a capacity window, the top of the liquid storage tank is threadedly installed with the threaded rod, one end of the threaded rod extends into the interior of the square tube and is rotatably connected with the top of the movable plug, the other end of the threaded rod is fixedly installed with the auxiliary knob, two groups of liquid inlets are formed on the outer wall of the square tube, and the outer wall of the liquid storage tank is provided with the capacity window.

[0008] Preferably, the stirring mechanism further includes a reduction motor and a U-shaped scraper, the top of the neutralization tank is fixedly installed with the reduction motor, the top of the inner side of the neutralization tank is rotatably installed with the rotating rod, the output shaft of the reduction motor penetrates through the neutralization tank and is fixedly connected with one end of the rotating rod, and the U-shaped scraper is attached to the inner wall of the neutralization tank but is not connected, the glutamate solution is stirred, the reagents are quickly mixed, the sodium glutamate crystals on the inner wall of the neutralization tank are scraped off, the neutralized solution is completely discharged as much as possible, and waste is reduced.

[0009] Preferably, the top of the liquid storage tank is fixedly installed with a liquid injection pipe, and the liquid injection pipe is in communication with the interior of the liquid storage tank.

[0010] Preferably, the top of the neutralization tank is fixedly installed with a liquid inlet pipe, and one end of the liquid inlet pipe extends into the interior of the neutralization tank.

[0011] Preferably, the bottom of the neutralization tank is fixedly installed with a liquid discharge pipe, the liquid discharge pipe is in communication with the interior of the neutralization tank, and a valve is arranged on the liquid discharge pipe.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] (1), the monosodium glutamate production neutralization reaction equipment, through the cooperation of square tube, liquid inlet, threaded rod, movable plug, auxiliary knob and capacity window, a certain proportion of sodium hydroxide reagent is slowly and continuously added into glutamic acid solution, the liquid acid is gradually neutralized, the local sodium hydroxide concentration of glutamic acid solution is prevented from being too high suddenly, other impurity components are prevented from being generated, the operation is simple and easy to operate, and the neutralization effect of the device is guaranteed.

[0014] (2), the monosodium glutamate production neutralization reaction equipment, through the cooperation of speed reducer, rotating rod, stirring rod and U-shaped scraper, the glutamic acid solution is stirred, the reagents are quickly mixed, the sodium glutamate crystals on the inner wall of the neutralization tank are scraped off, and the neutralized solution is discharged as much as possible, so that waste is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further illustrated below in combination with the drawings and examples:

[0016] Fig. 1 It is the perspective view of the utility model;

[0017] Fig. 2 It is the bottom view of the utility model;

[0018] Fig. 3 It is the perspective view of the liquid storage tank of the utility model.

[0019] The drawings show that: 1, neutralization tank; 2, liquid storage tank; 3, quantity control mechanism; 301, square tube; 302, liquid inlet; 303, threaded rod; 304, movable plug; 305, auxiliary knob; 306, capacity window; 4, stirring mechanism; 401, speed reducer; 402, rotating rod; 403, stirring rod; 404, U-shaped scraper; 5, liquid injection pipe; 6, liquid inlet pipe; 7, liquid outlet pipe. DETAILED DESCRIPTION

[0020] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0021] Please refer to Figs. 1-3The utility model provides a technical scheme: a monosodium glutamate production neutralization reaction equipment, including neutralization jar 1, control mechanism 3 and stirring mechanism 4, the top fixed mounting of neutralization jar 1 has liquid storage tank 2, control mechanism 3 sets up at the top of neutralization jar 1, control mechanism 3 includes square tube 301 and movable plug 304, the inside top of liquid storage tank 2 is fixedly connected with one end of square tube 301, the other end of square tube 301 extends to the inside of neutralization jar 1 through liquid storage tank 2, and movable plug 304 is arranged in the inside of square tube 301, and the outer wall of movable plug 304 is attached to the inner wall of square tube 301 but is not connected, stirring mechanism 4 is arranged in the inside of neutralization jar 1, and stirring mechanism 4 includes rotating rod 402, stirring rod 403 and U type scraper 404, the outer wall of rotating rod 402 is fixedly installed with multiple groups of stirring rod 403, and one end of stirring rod 403 is fixedly installed with U type scraper 404, the top fixed mounting of liquid storage tank 2 has liquid injection pipe 5, and liquid injection pipe 5 is communicated with the inside of liquid storage tank 2, the top fixed mounting of neutralization jar 1 has liquid inlet pipe 6, and one end of liquid inlet pipe 6 extends to the inside of neutralization jar 1, the bottom fixed mounting of neutralization jar 1 has liquid outlet pipe 7, and liquid outlet pipe 7 is communicated with the inside of neutralization jar 1, and valve is arranged on liquid outlet pipe 7.

[0022] Secondly, control mechanism 3 also includes liquid inlet 302, threaded rod 303, auxiliary knob 305 and capacity window 306, and the top of liquid storage tank 2 is threadedly installed with threaded rod 303, one end of threaded rod 303 extends to the inside of square tube 301 and is rotatably connected with the top of movable plug 304, the other end of threaded rod 303 is fixedly installed with auxiliary knob 305, two groups of liquid inlets 302 are formed in the outer wall of square tube 301, and capacity window 306 is arranged on the outer wall of liquid storage tank 2, a certain proportion of sodium hydroxide reagent is slowly and continuously added into glutamic acid solution, liquid acidity is gradually neutralized, sodium hydroxide concentration in glutamic acid solution is prevented from being suddenly too high locally, other impurity components are prevented from being generated, and the operation is simple and easy to operate, so that the neutralization effect of the device is guaranteed.

[0023] Further, stirring mechanism 4 also includes reduction motor 401 and U type scraper 404, the top of neutralization jar 1 is fixedly installed with reduction motor 401, the top of the inside of neutralization jar 1 is rotatably installed with rotating rod 402, the output shaft of reduction motor 401 penetrates through neutralization jar 1 and is fixedly connected with one end of rotating rod 402, and U type scraper 404 is attached to the inner wall of neutralization jar 1 but is not connected, glutamic acid solution is stirred, reagents are quickly mixed, glutamic acid sodium crystals on the inner wall of neutralization jar 1 are scraped off, the solution after neutralization is completely discharged as much as possible, and waste is reduced.

[0024] Working principle: when using, the device, containing glutamic acid solution is injected into the neutralization tank 1 through the liquid inlet pipe 6, according to the proportion of glutamic acid solution, a certain amount of sodium hydroxide reagent is added into the liquid tank 2 through the liquid injection pipe 5, the auxiliary knob 305 is rotated, the threaded rod 303 is driven, under the limiting of the inner wall of the square tube 301, the movable plug 304 is moved upward, the shielding of the movable plug 304 to the liquid inlet 302 is reduced, the sodium hydroxide reagent in the liquid tank 2 slowly flows into the square tube 301 through the liquid inlet 302, and then is added into the neutralization tank 1, at the same time, the reduction motor 401 is started to drive the rotating rod 402 to rotate, the stirring rod 403 is driven to stir the solution, the sodium hydroxide reagent and the solution are quickly mixed, the glutamic acid solution is reacted to generate sodium glutamate, the glutamic acid solution is neutralized, the U-shaped scraper 404 continuously scrapes the inner wall of the neutralization tank 1, the reaction substance adhered to the inner wall of the neutralization tank 1 is scraped off, after neutralization, the solution is discharged through the liquid outlet pipe 7.

[0025] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, within the knowledge range possessed by ordinary skilled in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. A neutralization reaction apparatus for monosodium glutamate (MSG) production, characterized in that, include: Neutralization tank (1), with a liquid storage tank (2) fixedly installed on the top of neutralization tank (1); A volume control mechanism (3) is set on the top of the neutralization tank (1). The volume control mechanism (3) includes a square tube (301) and a movable plug (304). The top of the inner side of the storage tank (2) is fixedly connected to one end of the square tube (301). The other end of the square tube (301) extends through the storage tank (2) into the interior of the neutralization tank (1). A movable plug (304) is provided inside the square tube (301). The outer wall of the movable plug (304) is in contact with but not connected to the inner wall of the square tube (301). The stirring mechanism (4) is located inside the neutralization tank (1). The stirring mechanism (4) includes a rotating rod (402), a stirring rod (403) and a U-shaped scraper (404). Multiple sets of stirring rods (403) are fixedly installed on the outer wall of the rotating rod (402), and a U-shaped scraper (404) is fixedly installed at one end of the stirring rod (403).

2. The monosodium glutamate (MSG) production neutralization reaction equipment according to claim 1, characterized in that: The volume control mechanism (3) also includes an inlet (302), a threaded rod (303), an auxiliary knob (305), and a capacity window (306). The top of the storage tank (2) is threaded with a threaded rod (303). One end of the threaded rod (303) extends into the interior of the square tube (301) and is rotatably connected to the top of the movable plug (304). The other end of the threaded rod (303) is fixedly installed with an auxiliary knob (305). The outer wall of the square tube (301) is provided with two sets of inlets (302), and the outer wall of the storage tank (2) is provided with a capacity window (306).

3. The monosodium glutamate (MSG) production neutralization reaction equipment according to claim 2, characterized in that: The stirring mechanism (4) also includes a geared motor (401) and a U-shaped scraper (404). The geared motor (401) is fixedly installed on the top of the neutralization tank (1). A rotating rod (402) is rotatably installed on the top inner side of the neutralization tank (1). The output shaft of the geared motor (401) passes through the neutralization tank (1) and is fixedly connected to one end of the rotating rod (402). The U-shaped scraper (404) is in contact with the inner wall of the neutralization tank (1) but not connected to it.

4. The monosodium glutamate (MSG) production neutralization reaction equipment according to claim 3, characterized in that: A liquid injection pipe (5) is fixedly installed on the top of the liquid storage tank (2), and the liquid injection pipe (5) is connected to the inside of the liquid storage tank (2).

5. The monosodium glutamate (MSG) production neutralization reaction equipment according to claim 4, characterized in that: The top of the neutralization tank (1) is fixedly installed with an inlet pipe (6), one end of which extends into the interior of the neutralization tank (1).

6. The monosodium glutamate (MSG) production neutralization reaction equipment according to claim 5, characterized in that: The bottom of the neutralization tank (1) is fixedly equipped with a drain pipe (7), which is connected to the inside of the neutralization tank (1). A valve is provided on the drain pipe (7).

Citation Information

Patent Citations

  • Novel monosodium glutamate production neutralization reaction tank

    CN216093674U