High-efficiency reaction kettle for polycarboxylic acid high-performance water reducing agent

Abstract

The utility model discloses an efficient reaction kettle for a polycarboxylic acid high-performance water reducing agent, which relates to the technical field of experimental apparatuses and comprises a reaction kettle main body, a slow feeding mechanism comprises a pair of feeding cylinders fixedly mounted at the top end of the reaction kettle main body, and a pair of feeding pipes are arranged in the reaction kettle main body. One end of each feeding pipe penetrates through the top end of the reaction kettle main body into the feeding cylinder, the other end of each feeding pipe is fixedly connected with the inner side wall of the reaction kettle main body, a plurality of discharging holes are uniformly formed in the bottom ends of the pair of feeding pipes at equal intervals, and a sealing disc is movably arranged at the inner bottom end of the feeding cylinder and seals the top ends of the feeding pipes. By arranging the slow feeding mechanism, reaction raw materials are firstly added into the pair of feeding cylinders, and the reciprocating assembly drives the sealing disc to move through the sliding rod, so that the sealing disc intermittently performs sealing treatment on the top end of the feeding pipe, the materials in the feeding pipe are discharged from the discharging hole, and the speed of the materials conveyed into the reaction kettle main body from the feeding cylinders is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to water reducing agent reaction kettle technical field especially, relates to a kind of high-performance polycarboxylate water-reducing agent high-efficiency reaction kettle. BACKGROUND

[0002] The general understanding of reaction kettle is a container with physical or chemical reaction. Through the structural design and parameter configuration of the container, the heating, evaporation, cooling and low-speed mixing functions required by the process are realized. High-performance polycarboxylate water-reducing agent is a key additive for modern concrete engineering. Its molecules have a comb-like structure, with hydrophilic groups such as carboxyl and sulfonic acid groups and polyoxyethylene side chains. With the dual action of electrostatic repulsion and steric hindrance, cement particles are uniformly dispersed, and the water-reducing rate can reach 25%-40%. It has the advantages of excellent slump retention, strong adaptability to cement, environmental protection without formaldehyde, etc. It is widely used in the fields of high-performance concrete preparation, prefabricated component production and underwater concrete engineering, effectively improving the workability, strength and durability of concrete, and providing strong support for the high-quality development of the construction industry.

[0003] Publication No. CN215917372U discloses a multi-directional protection high-efficiency insulation reaction kettle for polycarboxylate high-performance water-reducing agent, which comprises an upper stirring rod, an equal-interval lower stirring rod connected to the outer side of the upper stirring rod, and a lower discharge channel opened in the middle of the upper part of the outer shell. The material is pre-stored in the storage box, and the material is discharged in a sealed state of the whole device, which reduces the loss of heat inside the device, avoids waste of energy, and realizes efficient insulation of the reaction kettle.

[0004] However, in the production of high-performance polycarboxylate water-reducing agent, if the initiator and monomer are mixed rapidly, the initiator may rapidly initiate polymerization of a large amount of monomers in local areas, forming local high-temperature and high-viscosity areas, affecting product quality and possibly damaging equipment. Therefore, a high-performance polycarboxylate water-reducing agent high-efficiency reaction kettle is needed. Utility model content

[0005] The utility model aims at solving the defects in the prior art that a large amount of material is mixed rapidly and easily forms local high-temperature and high-viscosity areas, affecting product quality and possibly damaging equipment, and proposes a high-performance polycarboxylate water-reducing agent high-efficiency reaction kettle.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0007] The utility model provides a kind of polycarboxylic acid high-performance water-reducing agent high-efficiency reaction kettle, including reaction kettle main body, slowly feeding mechanism is arranged at the top of reaction kettle main body, mixing mechanism is arranged in reaction kettle main body, constant temperature mechanism is arranged in the lateral wall of reaction kettle main body, discharge pipe is communicated with the bottom of reaction kettle main body, electromagnetic valve is installed on discharge pipe, slowly feeding mechanism includes a pair of feeding cylinder fixedly installed in the top of reaction kettle main body, a pair of feeding pipe is arranged in reaction kettle main body, feeding pipe one end penetrates the top of reaction kettle main body to feeding cylinder, and the other end of feeding pipe is fixedly connected with the inner side wall of reaction kettle main body, a pair of feeding pipe bottom end equidistantly and evenly open several discharge holes, the bottom end of feeding cylinder is movably provided with sealing disc, sealing disc top end is sealed by feeding pipe, sealing disc outer side wall is fixedly connected with sliding rod, and sliding rod sliding penetrates to the outside of feeding cylinder, and the top of reaction kettle main body is provided with reciprocating assembly that drives sliding rod reciprocating motion.

[0008] For slowly conveying material to reaction kettle main body, first, the reaction raw material is added to a pair of feeding cylinder, and the reciprocating assembly moves the sealing disc by sliding rod, so that the sealing disc intermittently seals the top of the feeding pipe. The material in the feeding pipe is discharged from the discharge hole, reducing the speed of the material from the feeding cylinder to the reaction kettle main body, avoiding the formation of local high temperature and high viscosity area by rapid mixing of a large amount of material, affecting product quality and possibly damaging equipment.

[0009] Preferably, the reciprocating assembly includes a meandering frame movably arranged at the center of the top of the reaction kettle main body, a fixed tooth is fixedly installed on one inner side wall of the meandering frame equidistantly and evenly, a fixed mounting bracket is fixedly installed at the center of the top of the reaction kettle main body, a drive motor is fixedly installed in the fixed mounting bracket, a sector gear is coaxially fixedly connected with the output shaft of the drive motor, and the sector gear is arranged in the meandering frame, and the sector gear is meshed with the plurality of fixed teeth.

[0010] A pair of fixed mounting blocks are fixedly installed at the top of the reaction kettle main body, a sliding column is fixedly installed at both ends of the meandering frame symmetrically, the sliding column slidingly penetrates the fixed mounting block, an activity plate is fixedly installed at the other end of the sliding column, the activity plate is fixedly connected with the sliding rod, a functional spring is sleeved on the sliding rod, and the functional spring is elastically connected between the outer side wall of the feeding cylinder and the outer side wall of the activity plate.

[0011] For driving the sliding rod to move reciprocally, the drive motor is started, the drive motor drives the sector gear to rotate, and with the cooperation of the sector gear and the fixed tooth, the meandering frame moves towards one feeding cylinder first, the meandering frame moves in the same direction through the sliding column and the activity plate, the activity plate stretches and compresses the functional spring, the activity plate moves the sealing disc through the sliding rod, the sealing disc separates from the feeding pipe, so that the material enters the feeding pipe, and after the sector gear and the fixed tooth are disengaged, the sealing disc is reset under the action of the functional spring, so that the sealing disc seals the feeding pipe. In this way, the material in the feeding cylinder is intermittently conveyed into the feeding pipe.

[0012] Preferably, the mixing mechanism comprises a rotating rod rotatably mounted at the top end of the reaction kettle body, a plurality of stirring blades are uniformly and equidistantly fixed on the rotating rod, the rotating rod penetrates through the top end of the reaction kettle body, the rotating rod is coaxially fixedly connected with the output shaft of the driving motor, a shearing cylinder is fixedly installed at the bottom end of the rotating rod, a plurality of through holes are uniformly and equidistantly formed on the outer side wall of the shearing cylinder, a fixed column is fixedly installed at the top end of the shearing cylinder, and a plurality of shearing blocks are fixedly installed on the outer side wall of the fixed column.

[0013] The mixing mechanism is used for mixing the materials in the reaction kettle body.

[0014] Preferably, the constant temperature mechanism comprises a constant temperature cylinder fixedly installed on the outer side wall of the reaction kettle body, the outer side wall of the reaction kettle body and the inner side wall of the constant temperature cylinder form a constant temperature cavity, a water inlet pipe in communication with the constant temperature cavity is arranged at the bottom end of the outer side wall of the constant temperature cylinder, and a water outlet pipe in communication with the constant temperature cavity is arranged at the top end of the outer side wall of the constant temperature cylinder.

[0015] The constant temperature mechanism is used for constant temperature treatment of the reaction kettle body.

[0016] Preferably, a plurality of supporting legs are uniformly and equidistantly fixed at the bottom end of the constant temperature cylinder, and a feeding hopper is in communication with the top end of the reaction kettle body.

[0017] The feeding hopper is used for conveying materials into the reaction kettle body.

[0018] The utility model has the advantages of the following beneficial effects:

[0019] 1. The slow feeding mechanism is arranged, the reaction raw materials are first added to a pair of feeding cylinders, the reciprocating assembly moves the sealing disc through the sliding rod, the sealing disc intermittently seals the top end of the feeding pipe, the materials in the feeding pipe are discharged from the discharge hole, the speed of conveying the materials from the feeding cylinder into the reaction kettle body is reduced, local high temperature and high viscosity areas are avoided to be formed by rapid mixing of a large amount of materials, the product quality is affected and the equipment is possibly damaged.

[0020] 2. The mixing mechanism is arranged, the rotating rod, the stirring blades and the shearing cylinder are driven to rotate by the driving motor when the driving motor is started, and the through holes and the shearing blocks further mix the materials at the bottom of the reaction kettle body.

[0021] 3、 By setting the thermostat mechanism, the water source of the outside world enters the thermostat cavity through the water inlet pipe, is discharged from the water outlet pipe, and the reaction kettle main body is heated when the temperature is low, and the reaction kettle main body is cooled when the temperature is high. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 A three-dimensional structure schematic diagram of the high-efficiency reaction kettle for polycarboxylic acid high-performance water reducing agent is provided.

[0023] Figure 2 A side structure schematic diagram of the high-efficiency reaction kettle for polycarboxylic acid high-performance water reducing agent is provided.

[0024] Figure 3 A cross-sectional structure schematic diagram of the high-efficiency reaction kettle for polycarboxylic acid high-performance water reducing agent is provided.

[0025] Figure 4 A structure schematic diagram of the mixing mechanism of the utility model is provided.

[0026] Figure 5 A structure schematic diagram of the slow feeding mechanism of the utility model is provided.

[0027] In the drawing: 1, reaction kettle main body; 2, slow feeding mechanism; 21, feeding cylinder; 22, feeding pipe; 221, discharge hole; 23, airtight disc; 24, sliding rod; 25, reciprocating assembly; 251, back-shaped frame; 252, fixed clamping tooth; 253, fixed mounting frame; 254, driving motor; 255, fan-shaped gear; 256, fixed mounting block; 257, sliding column; 258, movable plate; 259, functional spring; 3, mixing mechanism; 31, rotating rod; 32, stirring paddle; 33, shearing cylinder; 34, through hole; 35, fixed column; 36, shearing block; 4, thermostat mechanism; 41, thermostat cylinder; 42, thermostat cavity; 43, water inlet pipe; 44, water outlet pipe; 5, discharge pipe; 6, electromagnetic valve; 7, supporting leg; 8, feeding hopper. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0029] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0030] Referring to Figures 1-5 A kind of polycarboxylic acid high-performance water-reducing agent high-efficiency reaction kettle, including reaction kettle main body 1, reaction kettle main body 1 top is provided with slow feeding mechanism 2, reaction kettle main body 1 is provided with mixing mechanism 3 in, reaction kettle main body 1 outer wall is provided with constant temperature mechanism 4, reaction kettle main body 1 bottom is communicated with discharge pipe 5, discharge pipe 5 is installed with electromagnetic valve 6, slow feeding mechanism 2 includes a pair of fixed installation in reaction kettle main body 1 top a pair of feeding cylinder 21, reaction kettle main body 1 is provided with a pair of feeding pipe 22, feeding pipe 22 one end penetrates reaction kettle main body 1 top to feeding cylinder 21 in, feeding pipe 22 other end is fixedly connected with reaction kettle main body 1 inner wall, a pair of feeding pipe 22 bottom is equidistantly and evenly provided with several discharge holes 221, feeding cylinder 21 inner bottom is movably provided with airtight disc 23, airtight disc 23 top end is sealed with feeding pipe 22, airtight disc 23 outer wall is fixedly connected with sliding rod 24, sliding rod 24 slidingly penetrates to feeding cylinder 21 outside, reaction kettle main body 1 top is provided with reciprocating assembly 25 of driving sliding rod 24 reciprocating motion.

[0031] Reciprocating assembly 25 includes the meandering frame 251 movably arranged in the top center of reaction kettle main body 1, the meandering frame 251 one inner wall is equidistantly and evenly fixedly installed with fixed clamping tooth 252, the top center of reaction kettle main body 1 is fixedly installed with fixed mounting bracket 253, the fixed mounting bracket 253 is fixedly installed with drive motor 254 in, the output shaft of drive motor 254 is coaxially fixedly connected with sector gear 255, sector gear 255 is arranged in meandering frame 251, sector gear 255 is meshed with a plurality of fixed clamping teeth 252.

[0032] Reaction kettle main body 1 top is fixedly installed with a pair of fixed mounting blocks 256, the meandering frame 251 both ends are symmetrically fixedly installed with sliding column 257, sliding column 257 slidingly penetrates fixed mounting block 256, sliding column 257 other end is fixedly installed with movable plate 258, movable plate 258 is fixedly connected with sliding rod 24, function spring 259 is sleeved on sliding rod 24, function spring 259 is elastically connected between the outer wall of feeding cylinder 21 and the outer wall of movable plate 258.

[0033] The mixing mechanism 3 comprises a rotating rod 31 rotatably arranged at the top end of the reaction kettle body 1, a plurality of stirring blades 32 are uniformly and equidistantly arranged on the rotating rod 31, the rotating rod 31 is rotatably penetrated to the top end of the reaction kettle body 1, the rotating rod 31 is coaxially and fixedly connected with the output shaft of the driving motor 254, the rotating rod 31 is fixedly arranged with a shearing cylinder 33 at the bottom end, a plurality of penetrating holes 34 are uniformly and equidistantly arranged on the outer side of the shearing cylinder 33, a fixed column 35 is fixedly arranged at the top end of the shearing cylinder 33, and a plurality of shearing blocks 36 are fixedly arranged on the outer side wall of the fixed column 35.

[0034] The constant temperature mechanism 4 comprises a constant temperature cylinder 41 fixedly arranged on the outer side wall of the reaction kettle body 1, the outer side wall of the reaction kettle body 1 and the inner side wall of the constant temperature cylinder 41 form a constant temperature cavity 42, the outer side wall of the constant temperature cylinder 41 is provided with a water inlet pipe 43 communicated with the constant temperature cavity 42 at the bottom end, and the outer side wall of the constant temperature cylinder 41 is provided with a water outlet pipe 44 communicated with the constant temperature cavity 42 at the top end.

[0035] A plurality of supporting legs 7 are uniformly and equidistantly fixedly arranged at the bottom end of the constant temperature cylinder 41, and the reaction kettle body 1 is communicated with a feeding hopper 8 at the top end.

[0036] In the utility model, the reaction raw materials are first added into the pair of feeding cylinders 21, the driving motor 254 is started, the driving motor 254 drives the sector gear 255 to rotate, the L-shaped frame 251 is first moved to one feeding cylinder 21 by the cooperation of the sector gear 255 and the fixed clamping tooth 252, the L-shaped frame 251 moves in the same direction through the sliding column 257 and the movable plate 258, the movable plate 258 is stretched and compressed by the functional spring 259, the movable plate 258 drives the sealing disc 23 to move through the sliding rod 24, the sealing disc 23 is separated from the feeding pipe 22, so that the materials enter the feeding pipe 22, after the sector gear 255 is separated from the fixed clamping tooth 252, the sealing disc 23 is reset under the reaction force of the functional spring 259, the sealing disc 23 seals the feeding pipe 22, and the materials in the feeding cylinder 21 are intermittently conveyed into the feeding pipe 22 through the above-mentioned circulation, the materials in the feeding pipe 22 are discharged from the discharge hole 221, the speed of conveying the materials from the feeding cylinder 21 into the reaction kettle body 1 is reduced, the local high-temperature and high-viscosity area is avoided to be formed by the rapid mixing of a large amount of materials, the product quality is affected and the equipment is possibly damaged, when the driving motor 254 is started, the rotating rod 31, the stirring blade 32 and the shearing cylinder 33 are driven to rotate by the driving motor 254, the penetrating hole 34 and the shearing block 36 further mix the materials at the bottom of the reaction kettle body 1, the water source outside is introduced into the constant temperature cavity 42 through the water inlet pipe 43 and is discharged from the water outlet pipe 44, the reaction kettle body 1 is heated when the temperature of the reaction kettle body 1 is low, the reaction kettle body 1 is cooled when the temperature of the reaction kettle body 1 is high, and the materials after reaction are discharged from the discharge pipe 5.

[0037] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A high-efficiency reaction vessel for polycarboxylate high-performance water-reducing agent, comprising a reaction vessel body (1), a slow feeding mechanism (2) provided at the top of the reaction vessel body (1), a mixing mechanism (3) provided inside the reaction vessel body (1), a constant temperature mechanism (4) provided on the outer wall of the reaction vessel body (1), and a discharge pipe (5) connected to the bottom of the reaction vessel body (1), wherein an electromagnetic valve (6) is installed on the discharge pipe (5), characterized in that: The slow feeding mechanism (2) includes a pair of feeding cylinders (21) fixedly installed at the top end of the reaction kettle body (1), a pair of feeding pipes (22) arranged in the reaction kettle body (1), one end of the feeding pipe (22) penetrating through the top end of the reaction kettle body (1) to the feeding cylinder (21), the other end of the feeding pipe (22) being fixedly connected with the inner side wall of the reaction kettle body (1), a plurality of discharge holes (221) being uniformly and equidistantly arranged at the bottom end of the feeding pipe (22), a sealing disc (23) being movably arranged at the bottom end of the feeding cylinder (21), the sealing disc (23) sealing the top end of the feeding pipe (22), a sliding rod (24) being fixedly connected with the outer side wall of the sealing disc (23) and slidingly penetrating out of the feeding cylinder (21), and a reciprocating assembly (25) being arranged at the top end of the reaction kettle body (1) to drive the sliding rod (24) to reciprocate.

2. The high-performance polycarboxylic water-reducing agent reaction kettle according to claim 1, characterized in that: The reciprocating assembly (25) includes a hairpin frame (251) movably arranged at the center of the top end of the reaction kettle body (1), a plurality of fixed clutches (252) being fixedly and equidistantly arranged on one inner side wall of the hairpin frame (251), a fixed mounting bracket (253) being fixedly arranged at the center of the top end of the reaction kettle body (1), a driving motor (254) being fixedly arranged in the fixed mounting bracket (253), a sector gear (255) being coaxially and fixedly connected with the output shaft of the driving motor (254) and arranged in the hairpin frame (251), and the sector gear (255) being meshingly arranged with the fixed clutches (252).

3. The high-efficiency reaction kettle for polycarboxylic acid high-performance water-reducing agent according to claim 2, characterized in that: A pair of fixed mounting blocks (256) are fixedly arranged at the top end of the reaction kettle body (1), a sliding column (257) being fixedly arranged at the two ends of the hairpin frame (251) and slidingly penetrating through the fixed mounting blocks (256), an activity plate (258) being fixedly arranged at the other end of the sliding column (257) and fixedly connected with the sliding rod (24), a functional spring (259) being sleeved on the sliding rod (24) and elastically connected between the outer side wall of the feeding cylinder (21) and the outer side wall of the activity plate (258).

4. The high-efficiency reaction kettle for polycarboxylic acid high-performance water-reducing agent according to claim 2, characterized in that: The mixing mechanism (3) includes a rotating rod (31) rotatably arranged at the top end in the reaction kettle body (1), a plurality of stirring paddles (32) being fixedly and equidistantly arranged on the rotating rod (31), the rotating rod (31) rotatably penetrating through the top end of the reaction kettle body (1), the rotating rod (31) being coaxially and fixedly connected with the output shaft of the driving motor (254), a shearing cylinder (33) being fixedly arranged at the bottom end of the rotating rod (31), a plurality of penetrating holes (34) being uniformly and equidistantly arranged on the outer side wall of the shearing cylinder (33), a fixed column (35) being fixedly arranged at the top end in the shearing cylinder (33), and a plurality of shearing blocks (36) being fixedly arranged on the outer side wall of the fixed column (35).

5. The high-performance polycarboxylic water-reducer reaction kettle according to claim 1, characterized in that: The constant temperature mechanism (4) comprises a constant temperature cylinder (41) fixedly installed on the outer side wall of the reaction kettle body (1), the outer side wall of the reaction kettle body (1) and the inner side wall of the constant temperature cylinder (41) form a constant temperature cavity (42), the bottom end of the outer side wall of the constant temperature cylinder (41) is provided with a water inlet pipe (43) communicated with the constant temperature cavity (42), and the top end of the outer side wall of the constant temperature cylinder (41) is provided with a water outlet pipe (44) communicated with the constant temperature cavity (42).

6. The high-efficiency reaction kettle for polycarboxylic acid high-performance water-reducing agent according to claim 5, characterized in that: The constant temperature cylinder (41) is uniformly and equidistantly fixedly installed with a plurality of supporting legs (7) at the bottom end, and the top end of the reaction kettle body (1) is communicated with a feeding hopper (8).

Images