Polycarboxylate superplasticizer discharging device

Abstract

The utility model discloses a polycarboxylate superplasticizer discharging device which comprises a reaction kettle, and the inner wall of the reaction kettle is fixedly connected with a screen; the top of the reaction kettle is provided with a motor, a rotating shaft of the motor penetrates through the top of the reaction kettle and is fixedly connected with a rotating rod, the center of the top of the screen is rotatably provided with a cylindrical shell through a bearing, and the rotating rod is inserted into a cross-shaped groove in the top of the cylindrical shell through a cross-shaped insertion block. The barrel-shaped shell can rotate on the screen net through the bearing, the rotating pipe connector connected to the bottom of the barrel-shaped shell can guarantee that water source input is not affected when the barrel-shaped shell rotates, when the motor is started, the rotating rod can drive the barrel-shaped shell to rotate synchronously, and water in the water conveying pipe is conveyed into the barrel-shaped shell through the rotating pipe connector; a water source is sprayed into the reaction kettle through the pipe body and the plurality of spray heads which are arranged at equal intervals, and residual impurities filtered on the surface of the screen are washed and cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete admixtures, in particular to a polycarboxylate water-reducing agent discharging device. Background Art

[0002] Polycarboxylate water reducer is a high-efficiency water reducer, the main component of which is polycarboxylic acid polymer. It is widely used in various concrete projects. Its polycarboxylate water reducer can significantly reduce the amount of water in concrete, improve the strength and durability of concrete, and enhance its fluidity and plasticity, making construction more convenient.

[0003] However, in the prior art, when the polycarboxylate water-reducing agent reacts in the reactor, the screen can filter out impurities and incompletely reacted particles generated during the reaction process to ensure the purity and quality of the polycarboxylate water-reducing agent when discharging. However, when the polycarboxylate water-reducing agent is discharged after the reaction, the filtered residues will accumulate on the surface of the screen or inside the screen holes, causing blockage of the screen, affecting the normal operation of the equipment and the discharge efficiency. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art.

[0005] To this end, one purpose of the utility model is to provide a polycarboxylic acid water-reducing agent discharging device, which can start a motor to drive a pipe body and a nozzle to spray and rotate in a reactor, and transport water to the nozzle through a rotating pipe joint to flush and clean the surface of the screen, thereby reducing screen blockage and improving the discharging efficiency of the polycarboxylic acid water-reducing agent.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a polycarboxylic acid water-reducing agent discharging device, comprising a reactor, the inner wall of which is fixedly connected to a screen; a motor is installed on the top of the reactor, the rotating shaft of the motor passes through the top of the reactor and is fixedly connected to a rotating rod, a cylindrical shell is rotatably installed at the top center of the screen through a bearing, a cross groove is provided on the top of the cylindrical shell, a cross plug is provided at the bottom of the rotating rod, the cross plug is plugged into the inside of the cross groove, a rotating pipe joint is connected to the bottom of the cylindrical shell, a water inlet of the rotating pipe joint is connected to a water pipe, a pipe body is embedded in the outer wall of the cylindrical shell, and a plurality of equidistantly arranged nozzles are installed on the outer wall of the pipe body.

[0007] Preferably, a water inlet valve is installed on the outer wall of the reactor, and one end of the water pipe away from the rotary pipe joint is connected to one end of the water inlet valve.

[0008] Preferably, the top of the reactor is connected to a feed pipe and a batching pipe, respectively, and the bottom of the reactor is connected to a discharge pipe.

[0009] Preferably, a stirring blade is fixedly connected to the outer wall of the rotating rod.

[0010] Preferably, a shield is installed on the top of the reactor, and the motor is located inside the shield.

[0011] Preferably, the outer wall of the reactor is covered with a thermal insulation pad.

[0012] Compared with the prior art, the utility model has the following beneficial effects: when the utility model is used, by starting the motor, the rotating rod drives the cylindrical shell to rotate synchronously, the rotating pipe joint transports the water in the water pipe to the cylindrical shell, the water source is sprayed into the reactor through the pipe body and the nozzle, and the surface of the screen is flushed and cleaned, thereby reducing the blockage of the screen and improving the discharge efficiency of the polycarboxylic acid water reducer. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic structural diagram of a polycarboxylate water-reducing agent discharging device according to an embodiment of the utility model;

[0014] Figure 2 For the utility model embodiment Figure 1 A schematic diagram of the enlarged structure of part A;

[0015] Figure 3 It is a structural schematic diagram of a cylindrical shell in a polycarboxylate water-reducing agent discharging device according to an embodiment of the utility model;

[0016] Figure 4 It is a structural schematic diagram of a pipe body and a nozzle in a polycarboxylate water-reducing agent discharging device according to an embodiment of the utility model.

[0017] In the figure: 1. Reactor; 2. Motor; 3. Rotating rod; 4. Stirring blade; 5. Pipe body; 6. Nozzle; 7. Water pipe; 8. Water inlet valve; 9. Insulation pad; 10. Mixing pipe; 11. Shield; 12. Feed pipe; 13. Discharge pipe; 14. Screen; 15. Rotating pipe joint; 16. Bearing; 17. Cross plug block; 18. Cross slot; 19. Cylindrical shell. DETAILED DESCRIPTION

[0018] 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 in 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.

[0019] See also Figure 1 An embodiment of the utility model provides a polycarboxylate water-reducing agent discharging device, comprising: a reaction kettle 1 and a screen 14 .

[0020] Among them, Figure 1-Figure 3 As shown, a screen 14 is fixedly connected to the inner wall of the reactor 1, a motor 2 is installed on the top of the reactor 1, the rotating shaft of the motor 2 passes through the top of the reactor 1 and is fixedly connected to a rotating rod 3, a cylindrical shell 19 is rotatably installed at the top center of the screen 14 through a bearing 16, a cross groove 18 is provided at the top of the cylindrical shell 19, a cross plug 17 is provided at the bottom of the rotating rod 3, the cross plug 17 is inserted into the inside of the cross groove 18, and a stirring blade 4 is fixedly connected to the outer wall of the rotating rod 3.

[0021] When in use, the rotating rod 3 is inserted into the cross groove 18 at the top of the cylindrical shell 19 by means of the cross plug block 17. The cylindrical shell 19 can rotate on the screen 14 by means of the bearing 16. When the motor 2 is started, the rotating rod 3 can drive the stirring blade 4 and the cylindrical shell 19 to rotate synchronously. The stirring blade 4 can stir the polycarboxylic acid water reducer in the reactor 1.

[0022] Further, see Figure 1 The top of the reactor 1 is connected to a feed pipe 12 and a dispensing pipe 10, and the bottom of the reactor 1 is connected to a discharge pipe 13. The feed pipe 12 and the discharge pipe 13 are used to input and output the polycarboxylate water-reducing agent, and the dispensing pipe 10 can be used to add other additives during the reaction of the polycarboxylate water-reducing agent.

[0023] In this embodiment, Figure 1-Figure 4 As shown, the bottom of the cylindrical shell 19 is connected to a rotating pipe joint 15, the water inlet of the rotating pipe joint 15 is connected to a water pipe 7, the outer wall of the cylindrical shell 19 is embedded with a pipe body 5, and the outer wall of the pipe body 5 is installed with a plurality of equidistantly arranged nozzles 6.

[0024] When in use, due to the rotating pipe joint 15 connected to the bottom of the cylindrical shell 19, the cylindrical shell 19 can ensure that its own rotation does not affect the water input. The rotating pipe joint 15 transports the water in the water pipe 7 to the cylindrical shell 19, so that the water source passes through the pipe body 5 and a number of equidistantly arranged nozzles 6 to spray the water source in the reactor 1, and flush and clean the impurities remaining after filtering on the surface of the screen 14.

[0025] Furthermore, a water inlet valve 8 is installed on the outer wall of the reactor 1, and one end of the water pipe 7 away from the rotating pipe joint 15 is connected to one end of the water inlet valve 8. The water inlet valve 8 can be connected to an external water pump to allow water to enter the cylindrical shell 19 through the water inlet valve 8, the water pipe 7 and the rotating pipe joint 15.

[0026] Reference Figure 1 In order to prevent the motor 2 from being directly exposed to the outside, a shield 11 is installed on the top of the reactor 1, and the motor 2 is located inside the shield 11.

[0027] Specifically, in order to reduce the diffusion of the temperature of the reactor 1 to the outer wall of the reactor 1 due to the increase of the reaction temperature in the reactor 1 , the outer wall of the reactor 1 is covered with a heat insulation pad 9 .

[0028] According to the above technical scheme, the working steps of this scheme are summarized and sorted out: In the utility model, the rotating rod 3 is inserted into the cross groove 18 at the top of the cylindrical shell 19 by means of a cross plug block 17, and the cylindrical shell 19 can rotate on the screen 14 by means of a bearing 16, and the rotating pipe joint 15 connected to the bottom of the cylindrical shell 19 can ensure that the rotation of the cylindrical shell 19 does not affect the water source input.

[0029] When the motor 2 is started, the rotating rod 3 can drive the cylindrical shell 19 to rotate synchronously, and the rotating pipe joint 15 can transport the water in the water pipe 7 to the cylindrical shell 19, so that the water source passes through the pipe body 5 and a plurality of equidistantly arranged nozzles 6 to spray the water source in the reactor 1, and flush and clean the impurities remaining on the surface of the screen 14, thereby reducing the blockage of the screen 14 and improving the discharge efficiency of the polycarboxylic acid water reducer.

[0030] Parts not involved in the present invention are the same as the prior art or can be implemented by the prior art. Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A polycarboxylate water-reducing agent discharging device, comprising a reaction kettle (1), wherein a screen (14) is fixedly connected to the inner wall of the reaction kettle (1), characterized in that: A motor (2) is installed on the top of the reactor (1), the rotating shaft of the motor (2) passes through the top of the reactor (1) and is fixedly connected to a rotating rod (3), a cylindrical shell (19) is rotatably installed at the center of the top of the screen (14) through a bearing (16), a cross slot (18) is provided on the top of the cylindrical shell (19), a cross plug (17) is provided on the bottom of the rotating rod (3), the cross plug (17) is plugged into the inside of the cross slot (18), the bottom of the cylindrical shell (19) is connected to a rotating pipe joint (15), the water inlet of the rotating pipe joint (15) is connected to a water pipe (7), the outer wall of the cylindrical shell (19) is embedded with a pipe body (5), and the outer wall of the pipe body (5) is installed with a plurality of nozzles (6) arranged at equal distances.

2. A polycarboxylate water-reducing agent discharging device according to claim 1, characterized in that: A water inlet valve (8) is installed on the outer wall of the reaction kettle (1), and one end of the water delivery pipe (7) away from the rotating pipe joint (15) is connected to one end of the water inlet valve (8).

3. A polycarboxylate water-reducing agent discharging device according to claim 1, characterized in that: The top of the reaction kettle (1) is connected to a feed pipe (12) and a batching pipe (10), respectively, and the bottom of the reaction kettle (1) is connected to a discharge pipe (13).

4. A polycarboxylate water-reducing agent discharging device according to claim 1, characterized in that: The outer wall of the rotating rod (3) is fixedly connected with a stirring blade (4).

5. A polycarboxylate water-reducing agent discharging device according to claim 1, characterized in that: A shield (11) is installed on the top of the reaction kettle (1), and the motor (2) is located inside the shield (11).

6. A polycarboxylate water-reducing agent discharging device according to claim 1, characterized in that: The outer wall of the reaction kettle (1) is covered with a heat insulation pad (9).

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