Polymerization reaction kettle for polycarboxylic acid high-performance water reducing agent

Abstract

The utility model discloses a polycarboxylic acid high-performance water reducing agent polymerization reaction kettle which comprises a reaction kettle main body and a stirring and mixing mechanism, and the top of the reaction kettle main body is provided with the stirring and mixing mechanism extending into the reaction kettle main body. The stirring and mixing mechanism comprises a driving motor, a transmission shaft, stirring blades, a large gear, a small gear, a conveying barrel, a spiral auger, a water inlet and a water outlet, the driving motor is fixed to the top of the reaction kettle body, an output shaft of the driving motor is connected with the transmission shaft, the multiple stirring blades are fixed to the transmission shaft, and the large gear is installed on the transmission shaft; three conveying cylinders are fixed in the reaction kettle main body, a spiral auger extending to the outside of the reaction kettle main body is rotationally connected in each conveying cylinder, and a pinion meshed with the bull gear is mounted on each spiral auger. Raw materials are conveyed and mixed up and down while being transversely stirred, so that the raw materials are distributed up and down more uniformly, and the reaction speed is higher; and cooling is convenient, and overheating is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of polycarboxylic acid water reducer production, in particular to a polycarboxylic acid high-performance water reducer polymerization reaction kettle. Background Art

[0002] Polycarboxylate water reducer is a high-performance water reducer and a cement dispersant in cement concrete. It is widely used in highways, bridges, dams, tunnels, high-rise buildings and other projects.

[0003] Chinese patent CN213222190U provides a polycarboxylic acid high-performance water-reducing agent polymerization reactor, including a box body, a cover body bolted to the top of the box body, a rotating motor fixedly installed on the cover body, the output end of the rotating motor is connected to a transmission rod extending from the cover body to the inside of the box body, a stirring plate located inside the box body is fixedly installed on the surface of the transmission rod, a discharge plate located below the stirring plate is fixedly installed on the lower end surface of the transmission rod, an air intake device is arranged on the inner wall of one side of the box body, the air intake device includes a shell fixedly connected to the inner wall of the box body, an air charging pipe fixedly connected to one side of the shell body, the inside of the shell body is a hollow structure, a vent is arranged on the surface of the shell body, the air charging pipe passes through the cover body and extends into the box body to the shell body, an air outlet pipe is fixedly connected to the upper end of the cover body, a dripping device is arranged on one side of the cover body, and heaters are arranged on both sides of the box body surface. The problem of being unable to improve the reaction efficiency and uneven stirring is solved.

[0004] The above patent only stirs the raw materials horizontally by the stirring plate when in use, but cannot mix the raw materials vertically. Due to the difference in density of different raw materials, the heavier raw materials will sink to the bottom, resulting in uneven distribution of the raw materials up and down, affecting the reaction speed. In addition, the above patent lacks the function of quickly cooling the reactor. In the reaction of generating polycarboxylic acid water-reducing agent, more heat will be released, and the heat will cause the temperature in the reactor to rise rapidly. When the temperature is too high, the reaction raw materials of the polycarboxylic acid water-reducing agent are prone to side reactions to generate other substances, affecting the purity of the polycarboxylic acid water-reducing agent. Therefore, in view of the above situation, it is urgent to develop a polycarboxylic acid high-performance water-reducing agent polymerization reactor that can stir the raw materials horizontally and transport and mix the raw materials up and down at the same time, so that the upper and lower distribution of the raw materials is more uniform, the reaction speed is faster, the cooling is convenient, and overheating is prevented, so as to overcome the shortcomings in current practical applications and meet current needs. Utility Model Content

[0005] The utility model aims to provide a polycarboxylic acid high-performance water-reducing agent polymerization reactor to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A polycarboxylic acid high-performance water-reducing agent polymerization reactor, comprising a reactor body and a stirring and mixing mechanism, wherein the top of the reactor body is provided with a stirring and mixing mechanism extending into the interior thereof, wherein the stirring and mixing mechanism comprises: a driving motor, a transmission shaft, stirring blades, a large gear, a small gear, a conveying cylinder, a spiral auger, a water inlet and a water outlet, wherein the driving motor is fixed to the top of the reactor body, wherein the output shaft of the driving motor is connected to the transmission shaft, wherein the transmission shaft is rotationally connected to the reactor body, wherein a plurality of stirring blades are fixed to the transmission shaft, wherein a large gear is installed on the transmission shaft, wherein three conveying cylinders are fixed in the reactor body, wherein the lower end of the conveying cylinder is provided with a water inlet, wherein the A water outlet is provided at the upper end of the conveying cylinder, and a spiral auger extending to the outside of the reactor body is rotatably connected in each of the conveying cylinders, and a small gear meshing with a large gear is installed on each of the spiral auger. An auxiliary cooling mechanism is connected to the outside of the reactor body, and a temperature sensor inserted into the reactor body is installed on the reactor body. The auxiliary cooling mechanism includes: a spiral tube, a water storage tank, a water pump and a semiconductor refrigeration plate. The spiral tube is installed on the outside of the reactor body, and a water pump is installed in the water storage tank. The water pump is connected to the lower end of the spiral tube, and the upper end of the spiral tube is inserted into the water storage tank. A number of semiconductor refrigeration plates are installed on the side of the water storage tank.

[0008] Preferably, the three conveying cylinders are evenly distributed in the reactor body in a circular shape with the central axis of the reactor body as a reference.

[0009] Preferably, a heat dissipation fin is installed at the hot end of the semiconductor refrigeration plate, and the spiral tube and the heat dissipation fin are both made of copper.

[0010] Preferably: a control panel is installed on the reactor body.

[0011] Preferably, the driving motor, water pump, semiconductor cooling plate and temperature sensor are all electrically connected to the control panel.

[0012] Preferably, a feed port is arranged at the top of the reactor body, an end cover is detachably mounted on the feed port, and a discharge port is arranged at the lower end of the reactor body, a valve is mounted on the discharge port.

[0013] The beneficial effects of the utility model are as follows: when the polycarboxylic acid high-performance water-reducing agent polymerization reactor is used, various reaction raw materials (liquid state) of the polycarboxylic acid water-reducing agent are added into the reactor body, the transmission shaft, the stirring blade and the large gear are driven to rotate by the driving motor, the raw materials are horizontally stirred and mixed by the stirring blade, and at the same time, the rotation of the large gear drives the small gear and the spiral auger to rotate, the raw materials at the bottom end of the reactor body enter into the conveying cylinder from the water inlet, and as the spiral auger rotates, the raw materials in the conveying cylinder are discharged from the water outlet, and then the raw materials at the bottom end of the reactor body are conveyed to the top, so that the upper and lower mixing of the raw materials is more uniform, and the reaction rate is improved, and the temperature in the reactor body is monitored by the temperature sensor. When the temperature is too high, the water flow in the water storage tank is cooled by the semiconductor refrigeration sheet, and the cold water is conveyed into the spiral tube by the water pump, and the reactor body is subjected to heat absorption and cooling by the spiral tube, so as to reduce the temperature of the reactor body, and prevent the various reaction raw materials of the polycarboxylic acid water-reducing agent from generating other impurities at high temperature. In summary, the utility model can transport and mix the raw materials up and down while stirring the raw materials horizontally, so that the upper and lower distribution of the raw materials is more uniform and the reaction speed is faster; the temperature is convenient to cool down and prevent overheating. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 .

[0015] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 .

[0016] Figure 3 It is an internal sectional view of the reactor body in the utility model.

[0017] Figure 4 It is a partial structural schematic diagram of the utility model.

[0018] Figure 5 It is an internal cross-sectional view of the conveying tube in the utility model.

[0019] Figure 6 It is an internal cross-sectional view of the auxiliary cooling mechanism in the utility model.

[0020] Legend:

[0021] 1. Reactor body; 101. Feed inlet; 102. End cover; 103. Discharge port; 104. Valve; 2. Stirring and mixing mechanism; 201. Drive motor; 202. Transmission shaft; 203. Stirring blade; 204. Large gear; 205. Small gear; 206. Conveying cylinder; 207. Screw auger; 208. Water inlet; 209. Water outlet; 3. Auxiliary cooling mechanism; 301. Spiral tube; 302. Water storage tank; 303. Water pump; 304. Semiconductor refrigeration sheet; 3041. Heat dissipation fin; 4. Temperature sensor; 5. Control panel. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Specific examples are given below.

[0024] See also Figure 1 to Figure 6In the embodiment of the utility model, a polycarboxylic acid high-performance water-reducing agent polymerization reactor comprises a reactor body 1 and a stirring and mixing mechanism 2. A feed port 101 is arranged at the top of the reactor body 1, and an end cover 102 is detachably installed on the feed port 101. A discharge port 103 is arranged at the lower end of the reactor body 1, and a valve 104 is installed on the discharge port 103. A stirring and mixing mechanism 2 extending to the interior of the reactor body 1 is installed at the top of the reactor body 1. The stirring and mixing mechanism 2 comprises: a driving motor 201, a transmission shaft 202, a stirring blade 203, a large gear 204, a small gear 205, a conveying cylinder 206, a spiral auger 2 07, a water inlet 208 and a water outlet 209, the driving motor 201 is fixed to the top of the reactor body 1, the output shaft of the driving motor 201 is connected to the transmission shaft 202, the transmission shaft 202 is rotatably connected to the reactor body 1, a plurality of stirring blades 203 are fixed on the transmission shaft 202, a large gear 204 is installed on the transmission shaft 202, three conveying cylinders 206 are fixed in the reactor body 1, the three conveying cylinders 206 are evenly distributed in the reactor body 1 in a circular shape with the central axis of the reactor body 1 as the reference, the lower end of the conveying cylinder 206 is provided with a water inlet 208, and the upper end of the conveying cylinder 206 is provided with The water outlet 209, each of the conveying cylinders 206 is rotatably connected to a spiral auger 207 extending to the outside of the reactor body 1, each of the spiral auger 207 is equipped with a small gear 205 meshing with the large gear 204, the outside of the reactor body 1 is connected to an auxiliary cooling mechanism 3, and the reactor body 1 is equipped with a temperature sensor 4 inserted into the inside. When in use, various reaction raw materials (liquid) of the polycarboxylic acid water reducer are added into the reactor body 1, and the transmission shaft 202, the stirring blade 203, and the large gear 204 are driven by the driving motor 201 to rotate, and the stirring blade 203 is used to stir and mix the raw materials horizontally, and at the same time The rotation of the large gear 204 drives the small gear 205 and the spiral auger 207 to rotate, and the raw materials at the bottom of the reactor body 1 enter the conveying cylinder 206 from the water inlet 208. As the spiral auger 207 rotates, the raw materials in the conveying cylinder 206 are discharged from the water outlet 209, and then the raw materials at the bottom of the reactor body 1 are transported to the top, so that the raw materials are mixed more evenly from top to bottom, and the reaction rate is improved. The temperature in the reactor body 1 is monitored by the temperature sensor 4. When the temperature is too high, the auxiliary cooling mechanism 3 is started to cool the reactor body 1 to prevent the various reaction raw materials of the polycarboxylic acid water-reducing agent from generating other impurities at high temperature.

[0025] The auxiliary cooling mechanism 3 includes: a spiral tube 301, a water tank 302, a water pump 303 and a semiconductor cooling sheet 304. The spiral tube 301 is installed on the outside of the reactor body 1. The water tank 302 is set on the ground. A water pump 303 is installed in the water tank 302. The water pump 303 is connected to the lower end of the spiral tube 301. The upper end of the spiral tube 301 is inserted into the water tank 302. A number of semiconductor cooling sheets 304 are installed on the side of the water tank 302. The cooling end of the cooling plate 304 is in contact with the water tank 302. The hot end of the semiconductor cooling plate 304 is provided with a heat dissipation fin 3041. The spiral tube 301 and the heat dissipation fin 3041 are both made of copper, so that they have good heat dissipation. When in use, the water flow in the water tank 302 is cooled by the semiconductor cooling plate 304, and the cold water is transported to the spiral tube 301 by the water pump 303. The reactor body 1 is cooled by absorbing heat through the spiral tube 301, thereby reducing the temperature of the reactor body 1.

[0026] A control panel 5 is installed on the reactor body 1 , and the driving motor 201 , the water pump 303 , the semiconductor cooling sheet 304 and the temperature sensor 4 are all electrically connected to the control panel 5 for control and use.

[0027] Working principle: When the polycarboxylic acid high-performance water-reducing agent polymerization reactor is used, various reaction raw materials (liquid state) of the polycarboxylic acid water-reducing agent are added into the reactor body 1, and the transmission shaft 202, the stirring blade 203, and the large gear 204 are driven by the driving motor 201 to rotate. The stirring blade 203 is used to horizontally stir and mix the raw materials. At the same time, the rotation of the large gear 204 drives the small gear 205 and the spiral auger 207 to rotate. The raw materials at the bottom of the reactor body 1 enter the conveying cylinder 206 from the water inlet 208. As the spiral auger 207 rotates, the raw materials in the conveying cylinder 206 are discharged from the water outlet. The raw materials are discharged from the outlet 209, and then the raw materials at the bottom of the reactor body 1 are transported to the top, so that the raw materials are mixed more evenly from top to bottom, and the reaction rate is improved. The temperature in the reactor body 1 is monitored by the temperature sensor 4. When the temperature is too high, the water flow in the water storage tank 302 is cooled by the semiconductor refrigeration sheet 304, and the cold water is transported to the spiral tube 301 by the water pump 303. The reactor body 1 is cooled by the spiral tube 301 to absorb heat and cool it, thereby reducing the temperature of the reactor body 1 and preventing the various reaction raw materials of the polycarboxylic acid water-reducing agent from generating other impurities at high temperature.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A polycarboxylic acid high performance water reducing agent polymerization reactor, characterized in that: The invention comprises a reactor body (1) and a stirring and mixing mechanism (2), wherein the top of the reactor body (1) is provided with the stirring and mixing mechanism (2) extending into the interior thereof, and the stirring and mixing mechanism (2) comprises: a driving motor (201), a transmission shaft (202), stirring blades (203), a large gear (204), a small gear (205), a conveying cylinder (206), a spiral auger (207), a water inlet (208) and a water outlet (209), and the driving motor (201) is fixed to the reactor body. At the top of the reactor body (1), the output shaft of the driving motor (201) is connected to the transmission shaft (202), the transmission shaft (202) is rotatably connected to the reactor body (1), a plurality of stirring blades (203) are fixed on the transmission shaft (202), a large gear (204) is installed on the transmission shaft (202), three conveying cylinders (206) are fixed in the reactor body (1), the lower end of the conveying cylinder (206) is provided with a water inlet (208), and the conveying cylinder (206) is provided with a water inlet (208). ) is provided with a water outlet (209) at the upper end, each of the conveying cylinders (206) is rotatably connected to a spiral auger (207) extending to the outside of the reactor body (1), each of the spiral auger (207) is equipped with a small gear (205) meshing with the large gear (204), the outside of the reactor body (1) is connected to an auxiliary cooling mechanism (3), the reactor body (1) is equipped with a temperature sensor (4) inserted into the inside, the auxiliary cooling mechanism (3) ) comprises: a spiral tube (301), a water storage tank (302), a water pump (303) and a semiconductor cooling plate (304), wherein the spiral tube (301) is installed on the outside of the reaction kettle body (1), the water storage tank (302) is installed with a water pump (303), the water pump (303) is connected to the lower end of the spiral tube (301), the upper end of the spiral tube (301) is inserted into the water storage tank (302), and a plurality of semiconductor cooling plates (304) are installed on the side of the water storage tank (302).

2. The polycarboxylic acid high performance water reducing agent polymerization reactor according to claim 1, characterized in that: The three conveying cylinders (206) are evenly distributed in a circle inside the reactor body (1) with the central axis of the reactor body (1) as a reference.

3. The polycarboxylic acid high performance water reducing agent polymerization reactor according to claim 1, characterized in that: The hot end of the semiconductor refrigeration plate (304) is provided with a heat dissipation fin (3041), and the spiral tube (301) and the heat dissipation fin (3041) are both made of copper.

4. The polycarboxylic acid high performance water reducing agent polymerization reactor according to claim 1, characterized in that: A control panel (5) is installed on the reactor body (1).

5. The polycarboxylic acid high performance water reducing agent polymerization reactor according to claim 4, characterized in that: The driving motor (201), the water pump (303), the semiconductor cooling sheet (304) and the temperature sensor (4) are all electrically connected to the control panel (5).

6. The polycarboxylic acid high performance water reducing agent polymerization reactor according to claim 1, characterized in that: The top of the reactor body (1) is provided with a feed port (101), and an end cover (102) is detachably mounted on the feed port (101). The lower end of the reactor body (1) is provided with a discharge port (103), and a valve (104) is mounted on the discharge port (103).

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