Naphthalene water reducer neutralization reaction device capable of automatically adding alkali

By introducing components such as a ring pipe, a cleaning mechanism, and a mixing mechanism into the naphthalene-based water-reducing agent neutralization reaction device, the problem of uneven alkali addition was solved, achieving uniform spraying and quantitative addition of alkali, improving the efficiency and stability of the neutralization reaction, and enhancing the user experience.

CN224071976UActive Publication Date: 2026-04-03LAIWU ZHAOXIN NEW MATERIAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-27
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

The existing naphthalene-based water-reducing agent neutralization reaction device suffers from poor uniformity in alkali addition during use, resulting in low neutralization reaction efficiency and affecting user experience.

Method used

An automatic alkali-adding neutralization reaction device for naphthalene-based water-reducing agents was designed, comprising a ring pipe, a cleaning mechanism, a mixing mechanism, a cooling mechanism, and a control panel. Through components such as alkali spray nozzles, needles, metering pumps, and stirring shafts, the device achieves uniform spraying, cleaning, quantitative addition, and mixing of alkali, ensuring the stability and efficiency of the reaction.

Benefits of technology

It achieves uniform addition and quantitative control of alkali solution, improves the efficiency of neutralization reaction, ensures reaction stability and product quality, and increases ease of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a naphthalene water reducer neutralization reaction device capable of automatically adding alkali, and belongs to the technical field of water reducer production equipment. The naphthalene water reducer neutralization reaction device with the automatic alkali adding function comprises a reaction tank, a tank cover is installed at the top end of the reaction tank, four supporting columns are installed on the outer side of the bottom end of the reaction tank, a cooling mechanism is installed on the outer side of the reaction tank, an alkali liquor tank is arranged on one side of the reaction tank, a ring pipe is installed on the inner side of the reaction tank, and a plurality of alkali liquor spray heads are installed at the bottom end of the ring pipe. The top end of the alkali liquor tank is provided with a liquor feeding mechanism for supplying liquor to the annular pipe, the top end of the annular pipe is provided with a cleaning mechanism for cleaning the alkali liquor spray head, the reaction tank is internally provided with a mixing mechanism, the bottom end of the reaction tank is provided with a liquor outlet pipe, and one end of the liquor outlet pipe is provided with a valve. The neutralization reaction efficiency is improved, and the practical value is relatively high.
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Description

Technical Field

[0001] This utility model relates to the technical field of water-reducing agent production equipment, specifically to an automatic alkali-adding neutralization reaction device for naphthalene-based water-reducing agents. Background Technology

[0002] Naphthalene-based water-reducing agents, as highly efficient concrete admixtures widely used in the construction industry, can significantly improve concrete performance, such as increasing its fluidity, strength, and durability, thereby enhancing the quality and construction efficiency of building projects. The neutralization reaction during its production process is one of the key steps; this reaction aims to adjust the pH of the water-reducing agent to ensure that the product quality meets relevant standards.

[0003] Based on the above, the following problems were found: the current naphthalene-based water-reducing agent neutralization reaction device has poor uniformity in alkali addition during use, resulting in low neutralization reaction efficiency and affecting user operation.

[0004] Therefore, in view of this, this paper studies and improves the existing structure and its shortcomings, and provides an automatic alkali-adding neutralization reaction device for naphthalene-based water-reducing agents, in order to achieve a more practical purpose. Utility Model Content

[0005] The purpose of this invention is to provide an automatic alkali-adding neutralization reaction device for naphthalene-based water-reducing agents, in order to solve the problem mentioned in the background art that the current naphthalene-based water-reducing agent neutralization reaction devices have poor uniformity of alkali addition during use, resulting in low neutralization reaction efficiency and affecting user operation.

[0006] In view of the above problems, the technical solution proposed by this utility model is as follows:

[0007] An automatic alkali-adding neutralization reaction device for naphthalene-based water-reducing agents includes a reaction tank. A tank cover is installed at the top of the reaction tank. Four support columns are installed on the outer side of the bottom of the reaction tank. A cooling mechanism is installed on the outer side of the reaction tank. An alkali tank is located on one side of the reaction tank. A ring pipe is installed inside the reaction tank. Several alkali spray nozzles are installed at the bottom of the ring pipe. A liquid supply mechanism for supplying liquid to the ring pipe is installed at the top of the alkali tank. A cleaning mechanism for cleaning the alkali spray nozzles is installed at the top of the ring pipe. A mixing mechanism is located inside the reaction tank. A liquid outlet pipe is installed at the bottom of the reaction tank, and a valve is installed at one end of the liquid outlet pipe.

[0008] Furthermore, the cleaning mechanism includes a lifting plate, with several pins installed on the outer side of the bottom end of the lifting plate. The bottom ends of the pins penetrate the inner top end of the ring tube and extend to the inner bottom end of the alkaline spray nozzle. An electric telescopic rod is installed on the top end of the tank lid, and the output end of the electric telescopic rod is fixedly connected to the top end of the lifting plate. A limiting rod is slidably inserted into the top end of the tank lid, and the bottom end of the limiting rod is fixedly connected to the top end of the lifting plate.

[0009] The beneficial effects of adopting the above-mentioned further solution are that, by installing several pins on the outer side of the bottom end of the lifting plate, when the pins are inserted into the alkaline spray nozzle, they can clean the impurities clogging the inside of the alkaline spray nozzle, ensuring the smooth flow of the alkaline spray nozzle and maintaining the stability and accuracy of alkali addition. The electric lifting function of the lifting plate is realized by fixing the output end of the electric telescopic rod to the top end of the lifting plate. The lifting stability of the lifting plate is improved by fixing the bottom end of the limit rod to the top end of the lifting plate.

[0010] Furthermore, the liquid delivery mechanism includes a metering pump, the bottom of which is fixedly connected to the top of the alkali tank. A suction pipe is installed at the input end of the metering pump, one end of which extends to the bottom of the alkali tank. A delivery pipe is installed at the output end of the metering pump, one end of which is connected to one side of the ring pipe. A feed inlet is installed at the top of the alkali tank, and a dust cover is installed at the top of the feed inlet.

[0011] The beneficial effects of adopting the above-mentioned further solution are that, through the setting of metering pump, liquid extraction pipe and liquid delivery pipe, the amount of alkali solution delivered can be accurately controlled, and quantitative addition can be achieved in the automatic alkali addition process. The setting of feed port and dust cover facilitates the addition of alkali solution to alkali solution tank.

[0012] Furthermore, the mixing mechanism includes a stirring shaft, the top end of which passes through the top end of the lifting plate. The top end of the stirring shaft is rotatably connected to the bottom end of the tank lid. A motor is installed on the top end of the tank lid, and the output end of the motor is connected to the top end of the stirring shaft. Several stirring blades are installed on the outer side of the stirring shaft.

[0013] The beneficial effect of adopting the above-mentioned further solution is that by connecting the output end of the motor to the top of the stirring shaft, the stirring shaft can be electrically rotated to stir and mix the substances in the reaction vessel, thereby accelerating the reaction rate.

[0014] Furthermore, the cooling mechanism includes a heat exchange jacket, the inner side of which is fixedly connected to the outer side of the reaction vessel. A liquid inlet is installed at the top of one side of the heat exchange jacket, and a liquid outlet is installed at the bottom of one side of the heat exchange jacket. Temperature sensors are installed on both sides of the interior of the reaction vessel.

[0015] The advantages of adopting the above-mentioned further solution are that, by setting up the heat exchange jacket, liquid inlet and liquid outlet, the cooling medium can be connected to avoid abnormal reaction due to excessive temperature, and the temperature inside the reaction vessel can be monitored in real time by installing temperature sensors on both sides of the interior of the reaction vessel.

[0016] Furthermore, a support base is installed at the bottom end of the support column, and the bottom end of the support base is provided with anti-slip texture.

[0017] The advantage of adopting the above-mentioned further solution is that the placement stability of the device is improved by installing a support base at the bottom of the support column.

[0018] Furthermore, a control panel is installed on one side of the reaction vessel.

[0019] The advantage of adopting the above-mentioned further solution is that by installing a control panel on one side of the reaction vessel, the equipment can be controlled, increasing the ease of use of the product.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows: This automatic alkali-adding naphthalene-based water-reducing agent neutralization reaction device has several alkali spray nozzles installed at the bottom of the ring pipe to achieve uniform alkali spraying; a cleaning mechanism maintains the normal operation of the alkali spray nozzles; a mixing mechanism promotes thorough mixing of reactants and improves reaction efficiency; the outlet pipe and valve facilitate the discharge of reaction products; several pins are installed on the outer side of the bottom of the lifting plate to clean impurities clogging the alkali spray nozzles when inserted, ensuring unobstructed flow and maintaining the stability and accuracy of alkali addition; the output end of the electric telescopic rod is fixedly connected to the top of the lifting plate to achieve electric lifting of the lifting plate; the bottom end of the limit rod is fixedly connected to the top of the lifting plate to improve the lifting stability of the lifting plate; and the device is equipped with a metering pump, a suction pipe, and a delivery pipe. This design allows for precise control of the alkali solution delivery rate, enabling quantitative addition during automatic alkali addition. The feed inlet and dust cover facilitate alkali solution addition to the tank. The motor output connects to the top of the stirring shaft, allowing for electric rotation of the shaft to mix the substances in the reaction tank and accelerate the reaction rate. The heat exchange jacket, inlet connector, and outlet connector allow for the connection of cooling media to prevent abnormal reactions due to excessive temperature. Temperature sensors installed on both sides of the reaction tank allow for real-time temperature monitoring. A support base at the bottom of the support column improves the stability of the device. A control panel on one side of the reaction tank provides controllability and enhances ease of use. This invention effectively achieves uniform alkali solution addition, improves neutralization reaction efficiency, and has high practical value. Attached Figure Description

[0021] Figure 1 This is one of the three-dimensional structural schematic diagrams disclosed in the embodiments of this utility model;

[0022] Figure 2 This is the second three-dimensional structural schematic diagram disclosed in the embodiment of this utility model;

[0023] Figure 3 This is the third perspective structural diagram of the present utility model embodiment;

[0024] Figure 4 This is a cross-sectional view of the reaction vessel disclosed in an embodiment of the present utility model;

[0025] Figure 5 The embodiments disclosed herein Figure 4 A magnified schematic diagram of structure A in the middle.

[0026] The components are as follows: 1. 100. Reaction vessel; 101. Tank cover; 102. Support column; 10201. Support base; 103. Cooling mechanism; 10301. Heat exchange jacket; 10302. Liquid inlet connector; 10303. Liquid outlet connector; 104. Alkali tank; 10401. Feed inlet; 10402. Dust cover; 105. Liquid delivery mechanism; 10501. Metering pump; 10502. Liquid extraction pipe; 10503. Delivery pipe. 106. Liquid pipe; 106. Ring pipe; 10601. Alkali spray nozzle; 107. Cleaning mechanism; 10701. Lifting plate; 10702. Pin; 10703. Electric telescopic rod; 10704. Limiting rod; 108. Mixing mechanism; 10801. Stirring shaft; 10802. Stirring blade; 10803. Motor; 109. Temperature sensor; 110. Liquid outlet pipe; 111. Valve; 112. Control panel. Detailed Implementation

[0027] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0028] Example 1

[0029] Please see Figures 1-5This utility model provides a technical solution: an automatic alkali-adding naphthalene-based water-reducing agent neutralization reaction device, including a reaction tank 100, a tank cover 101 installed at the top of the reaction tank 100, four support columns 102 installed on the outer side of the bottom of the reaction tank 100, a cooling mechanism 103 installed on the outer side of the reaction tank 100, an alkali tank 104 provided on one side of the reaction tank 100, a ring pipe 106 installed on the inner side of the reaction tank 100, a plurality of alkali spray nozzles 10601 installed at the bottom of the ring pipe 106, and a liquid delivery mechanism 105 for supplying liquid to the ring pipe 106 installed at the top of the alkali tank 104. The top of the 106 is equipped with a cleaning mechanism 107 for cleaning the alkali spray nozzles 10601. The interior of the reaction tank 100 is equipped with a mixing mechanism 108. The bottom of the reaction tank 100 is equipped with a liquid outlet pipe 110, and a valve 111 is installed at one end of the liquid outlet pipe 110. Several alkali spray nozzles 10601 are installed through the bottom of the ring pipe 106 to achieve the function of uniform alkali spraying. The cleaning mechanism 107 can maintain the normal operation of the alkali spray nozzles 10601. The mixing mechanism 108 promotes the full mixing of reactants and improves reaction efficiency. The liquid outlet pipe 110 and the valve 111 facilitate the discharge of the reaction products.

[0030] Please see Figures 1-5The cleaning mechanism 107 includes a lifting plate 10701. Several pins 10702 are installed on the outer side of the bottom end of the lifting plate 10701. The bottom ends of the pins 10702 penetrate the inner top end of the ring tube 106 and extend to the inner bottom end of the alkaline spray nozzle 10601. An electric telescopic rod 10703 is installed on the top end of the tank lid 101. The output end of the electric telescopic rod 10703 is fixedly connected to the top end of the lifting plate 10701. A limiting rod 1070 is slidably inserted into the top end of the tank lid 101. 4. The bottom end of the limiting rod 10704 is fixedly connected to the top end of the lifting plate 10701. The liquid delivery mechanism 105 includes a metering pump 10501, the bottom end of which is fixedly connected to the top end of the alkali tank 104. A suction pipe 10502 is installed at the input end of the metering pump 10501, and one end of the suction pipe 10502 extends to the bottom end of the alkali tank 104. A delivery pipe 10503 is installed at the output end of the metering pump 10501, and one end of the delivery pipe 10503 is connected to one side of the ring pipe 106. The top of the alkali tank 104 is equipped with a feed inlet 10401, and the top of the feed inlet 10401 is equipped with a dust cover 10402. Several pins 10702 are installed on the outer side of the bottom of the lifting plate 10701. When the pins 10702 are inserted into the alkali nozzle 10601, they can clear any blockages inside the nozzle, ensuring unobstructed flow and maintaining the stability and accuracy of alkali addition. The output end of the electric telescopic rod 10703 and the lifting plate 10701... The top of 01 is fixedly connected to realize the electric lifting function of the lifting plate 10701. The bottom of the limit rod 10704 is fixedly connected to the top of the lifting plate 10701 to improve the lifting stability of the lifting plate 10701. The metering pump 10501, the liquid extraction pipe 10502 and the liquid delivery pipe 10503 can accurately control the amount of alkali delivered, realizing quantitative addition in the automatic alkali addition process. The inlet 10401 and the dust cover 10402 facilitate the addition of alkali to the alkali tank 104.

[0031] Please see Figures 1-5The mixing mechanism 108 includes a stirring shaft 10801, the top end of which passes through the top end of a lifting plate 10701. The top end of the stirring shaft 10801 is rotatably connected to the bottom end of a tank cover 101. A motor 10803 is mounted on the top end of the tank cover 101, and the output end of the motor 10803 is connected to the top end of the stirring shaft 10801. Several stirring blades 10802 are mounted on the outer side of the stirring shaft 10801. The cooling mechanism 103 includes a heat exchange jacket 10301, the inner side of which is fixedly connected to the outer side of the reaction tank 100. A liquid inlet connector 10302 is mounted on the top end of one side of the heat exchange jacket 10301, and a liquid outlet connector 10303 is mounted on the bottom end of one side of the heat exchange jacket 10301. Temperature sensors 109 are mounted on both sides of the interior of the reaction tank 100. A support base 1020 is mounted on the bottom end of the support column 102. 1. The bottom of the support base 10201 is provided with anti-slip texture. A control panel 112 is installed on one side of the reaction tank 100. The output end of the motor 10803 is connected to the top of the stirring shaft 10801 to realize the electric rotation of the stirring shaft 10801, which stirs and mixes the substances in the reaction tank 100 and accelerates the reaction rate. Through the setting of heat exchange jacket 10301, liquid inlet connector 10302 and liquid outlet connector 10303, cooling medium can be connected to avoid abnormal reaction due to excessive temperature. Temperature sensors 109 are installed on both sides of the inside of the reaction tank 100 to monitor the temperature inside the reaction tank 100 in real time. The support base 10201 is installed at the bottom of the support column 102 to improve the placement stability of the device. The control panel 112 is installed on one side of the reaction tank 100 to realize the controllability of the equipment and increase the convenience of product use.

[0032] Working principle

[0033] In use, several alkaline spray nozzles 10601 are installed at the bottom of the ring pipe 106 to achieve uniform alkaline spraying. The cleaning mechanism 107 maintains the normal operation of the alkaline spray nozzles 10601. The mixing mechanism 108 promotes thorough mixing of reactants and improves reaction efficiency. The outlet pipe 110 and valve 111 facilitate the discharge of reaction products. Several pins 10702 are installed on the outer side of the bottom of the lifting plate 10701 to clean the alkaline spray nozzles 10601 when the pins 10702 are inserted into them. To prevent blockages inside the alkali spray nozzle 10601, ensuring its unobstructed flow and maintaining the stability and accuracy of alkali addition, the output end of the electric telescopic rod 10703 is fixedly connected to the top of the lifting plate 10701, enabling the electric lifting function of the lifting plate 10701. The bottom end of the limit rod 10704 is fixedly connected to the top of the lifting plate 10701, improving the lifting stability of the lifting plate 10701. This is achieved through the metering pump 10501, the suction pipe 10502, and the delivery pipe 10503. The system is designed to precisely control the amount of alkali solution delivered, enabling quantitative addition during automatic alkali addition. The inlet 10401 and dust cover 10402 facilitate the addition of alkali solution to the alkali tank 104. The output of the motor 10803 is connected to the top of the stirring shaft 10801, allowing the shaft to rotate electrically and mix the substances in the reaction tank 100, accelerating the reaction rate. The heat exchange jacket 10301, inlet connector 10302, and outlet connector 10303 allow for the connection of a cooling medium, preventing abnormal reactions due to excessive temperature. Temperature sensors 109 are installed on both sides of the reaction tank 100 to monitor the temperature in real time. A support base 10201 is installed at the bottom of the support column 102 to improve the stability of the device. A control panel 112 is installed on one side of the reaction tank 100, enabling controllable equipment and increasing ease of use. This invention effectively achieves uniform alkali addition, improves neutralization reaction efficiency, and has high practical value.

[0034] While the specific embodiments of the present invention have been described above in conjunction with the accompanying drawings, this is not intended to limit the scope of protection of the present invention. Based on the technical solutions of the present invention, various modifications or variations that can be made by those skilled in the art without creative effort are still within the scope of protection of the present invention.

Claims

1. An automatic alkali-adding neutralization reaction device for naphthalene-based water-reducing agents, characterized in that, The system includes a reaction vessel (100), a lid (101) mounted on the top of the reaction vessel (100), four support columns (102) mounted on the outer side of the bottom of the reaction vessel (100), a cooling mechanism (103) mounted on the outer side of the reaction vessel (100), an alkali solution tank (104) on one side of the reaction vessel (100), a ring pipe (106) mounted on the inner side of the reaction vessel (100), and several alkali solution nozzles mounted on the bottom of the ring pipe (106). 10601), the top of the alkali tank (104) is equipped with a liquid delivery mechanism (105) for supplying liquid to the ring pipe (106), the top of the ring pipe (106) is equipped with a cleaning mechanism (107) for cleaning the alkali nozzle (10601), the inside of the reaction tank (100) is provided with a mixing mechanism (108), the bottom of the reaction tank (100) is equipped with a liquid outlet pipe (110), and one end of the liquid outlet pipe (110) is equipped with a valve (111).

2. The automatic alkali-adding neutralization reaction device for naphthalene-based water-reducing agents according to claim 1, characterized in that, The cleaning mechanism (107) includes a lifting plate (10701), and a plurality of pins (10702) are installed on the outer side of the bottom end of the lifting plate (10701). The bottom end of the pins (10702) penetrates the inner top end of the ring tube (106) and extends to the inner bottom end of the alkaline spray nozzle (10601). An electric telescopic rod (10703) is installed on the top end of the can lid (101). The output end of the electric telescopic rod (10703) is fixedly connected to the top end of the lifting plate (10701). A limiting rod (10704) is slidably inserted into the top end of the can lid (101). The bottom end of the limiting rod (10704) is fixedly connected to the top end of the lifting plate (10701).

3. The automatic alkali-adding neutralization reaction device for naphthalene-based water-reducing agents according to claim 1, characterized in that, The liquid delivery mechanism (105) includes a metering pump (10501), the bottom end of which is fixedly connected to the top end of the alkali tank (104). A liquid extraction pipe (10502) is installed at the input end of the metering pump (10501), one end of which extends to the bottom end of the alkali tank (104). A liquid delivery pipe (10503) is installed at the output end of the metering pump (10501), one end of which is connected to one side of the ring pipe (106). A feed inlet (10401) is installed at the top end of the alkali tank (104), and a dust cover (10402) is installed at the top end of the feed inlet (10401).

4. The automatic alkali-adding neutralization reaction device for naphthalene-based water-reducing agents according to claim 2, characterized in that, The mixing mechanism (108) includes a stirring shaft (10801), the top end of which passes through the top end of a lifting plate (10701). The top end of the stirring shaft (10801) is rotatably connected to the bottom end of a can lid (101). A motor (10803) is installed on the top end of the can lid (101). The output end of the motor (10803) is connected to the top end of the stirring shaft (10801). Several stirring blades (10802) are installed on the outer side of the stirring shaft (10801).

5. The automatic alkali-adding neutralization reaction device for naphthalene-based water-reducing agents according to claim 1, characterized in that, The cooling mechanism (103) includes a heat exchange jacket (10301), the inner side of which is fixedly connected to the outer side of the reaction vessel (100). A liquid inlet connector (10302) is installed at the top of one side of the heat exchange jacket (10301), and a liquid outlet connector (10303) is installed at the bottom of one side of the heat exchange jacket (10301). Temperature sensors (109) are installed on both sides of the interior of the reaction vessel (100).

6. The automatic alkali-adding neutralization reaction device for naphthalene-based water-reducing agents according to claim 1, characterized in that, The bottom end of the support column (102) is equipped with a support base (10201), and the bottom end of the support base (10201) is provided with anti-slip texture.

7. The automatic alkali-adding neutralization reaction device for naphthalene-based water-reducing agents according to claim 1, characterized in that, A control panel (112) is installed on one side of the reaction vessel (100).