A high slump retention type polycarboxylate superplasticizer preparation device

Abstract

The utility model discloses a high slump loss type polycarboxylate water reducing agent preparation device, including material drying cylinder, be equipped with spiral blade through transmission shaft in material drying cylinder, be equipped with heating channel in transmission shaft and spiral blade, transmission shaft one end has motor through gear set drive connection, transmission shaft one end is equipped with first air inlet pipe through bearing seat rotation, and first air inlet pipe one end is equipped with air -blower and electric heating wire, and transmission shaft other end is equipped with second air inlet pipe through another bearing seat rotation, and second air inlet pipe one end is connected with the heating chamber in material drying cylinder inside, the utility model discloses utilize material drying cylinder inside through transmission shaft and be equipped with spiral blade, and water reducing agent preparation raw material is put into material drying cylinder one end inside from feed port, and transmission shaft and spiral blade uniform speed rotation are driven through motor and gear set, and water reducing agent preparation raw material is screw horizontal transmission in material drying cylinder, realizes material dynamic drying treatment, and drying uniformity is stronger, and unloading is convenient and fast.

Description

Technical Field

[0001] This utility model relates to the field of water-reducing agent preparation technology, specifically a device for preparing a high slump-retention polycarboxylate water-reducing agent. Background Technology

[0002] Polycarboxylate superplasticizer is a third-generation high-performance water-reducing agent and an environmentally friendly concrete admixture. This product is a pale yellow or brownish-red transparent liquid, with its main component being a polycarboxylate polymer with a molecular weight of 5000-50000. The dosage is 0.4%-2.5% of the total cementitious material, achieving a water reduction rate exceeding 35%. It can increase the early strength of concrete by more than 50% and the 28-day strength by more than 30%. By compounding with retarder and defoamer components, it can form functional admixtures such as pumping agents and early-strength agents. It is chloride-free, has low alkali and sodium sulfate content, and its production process complies with environmental standards. The preparation of this type of polycarboxylate superplasticizer requires the use of a drying facility to dry the granular raw materials.

[0003] A concrete water-reducing agent preparation process, as described in application number 202110912070.4, includes the following steps: S1, placing an appropriate amount of concrete water-reducing agent to be dried between a moving friction plate and a fixed friction plate; S2, controlling the drive component to rub the water-reducing agent on the fixed friction plate while simultaneously crushing any clumps of the water-reducing agent; the powdered water-reducing agent falls through the feeding gap onto the receiving component; simultaneously, the drying component dries the water-reducing agent; S3, when the moving friction plate moves to parallel with the fixed friction plate, controlling the cleaning component to brush off the water-reducing agent powder adhering to the moving and fixed friction plates, and the swept-off water-reducing agent falls onto the drying plate for drying, thus avoiding waste. This concrete water-reducing agent preparation process is not only simple to operate but also efficiently crushes clumps of water-reducing agent into powder. However, it is not convenient to achieve dynamic drying of the material, resulting in low drying efficiency of the raw materials for water-reducing agent preparation. Utility Model Content

[0004] The purpose of this invention is to provide a high slump retention polycarboxylate superplasticizer preparation device to solve the problem that the existing technology is not conducive to dynamic drying of materials, resulting in low drying efficiency of raw materials for superplasticizer preparation.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a high slump retention polycarboxylate superplasticizer preparation device, comprising a material drying cylinder, a feed inlet on the upper side of one end of the material drying cylinder, a spiral blade in the middle of the material drying cylinder via a drive shaft, heating channels inside both the drive shaft and the spiral blade, a motor rotatably passing through the end of the material drying cylinder at one end of the drive shaft and being connected to the motor via a gear set, a first air inlet pipe rotatably provided at one end of the drive shaft via a bearing seat, a blower and a heating wire at one end of the first air inlet pipe, a second air inlet pipe rotatably provided at the other end of the drive shaft via another bearing seat, one end of the second air inlet pipe communicating with the heating chamber inside the material drying cylinder, and an exhaust port at the other end of the heating chamber of the material drying cylinder.

[0006] Furthermore, a lower frame is provided on the lower side of the material drying cylinder, and the blower is fixedly installed on the outer wall of the lower frame.

[0007] Furthermore, the gear set is a reduction gear set, and the motor is fixedly installed on the outer wall of one end of the material drying cylinder.

[0008] Furthermore, the material drying cylinder has a discharge port at one end and an exhaust port at the top of the drying chamber.

[0009] Furthermore, the heating channel inside the helical blade is configured as a helical channel, and the heating channel between the drive shaft and the helical blade is connected through multiple through holes.

[0010] Furthermore, the bearing housing contains a bearing, and one end of the bearing housing has an annular sealing ring on its outer side.

[0011] Compared with the prior art, the beneficial effects of this utility model are: This invention utilizes a material drying cylinder with spiral blades installed inside via a drive shaft. The raw materials for preparing water-reducing agents are fed into one end of the material drying cylinder through the feed inlet. The drive shaft and spiral blades are driven to rotate at a uniform speed by a motor and gear set, so that the raw materials for preparing water-reducing agents are spirally and horizontally conveyed inside the material drying cylinder, realizing dynamic drying treatment of the materials. The drying uniformity is strong, and the unloading is convenient and quick.

[0012] This invention utilizes heating channels inside both the drive shaft and the spiral blades. One end of the drive shaft is rotatably connected to a first air inlet pipe via a bearing seat. One end of the first air inlet pipe is equipped with a blower and a heating wire, enabling hot air to be delivered into the drive shaft and spiral blades. This facilitates heating and drying of the inner middle part of the material being horizontally conveyed by the spiral. Simultaneously, the other end of the drive shaft is rotatably connected to a second air inlet pipe via another bearing seat. One end of the second air inlet pipe is connected to the heating chamber inside the material drying cylinder. Hot air is delivered into the heating chamber, enabling heating and drying of the outer part of the material being horizontally conveyed by the spiral. This simultaneous internal and external action improves the drying efficiency of the raw materials for water-reducing agent preparation and results in higher drying uniformity. Attached Figure Description

[0013] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a longitudinal sectional view of the material drying cylinder structure of this utility model; Figure 3 This is a longitudinal sectional view of the spiral blade structure of this utility model.

[0014] In the diagram: 1. Material drying cylinder; 2. Feed inlet; 3. Discharge outlet; 4. Drive shaft; 5. Bearing housing; 6. Gear set; 7. First air inlet pipe; 8. Motor; 9. Air outlet; 10. Exhaust outlet; 11. Spiral blades; 12. Heating chamber; 13. Second air inlet pipe; 14. Heating wire; 15. Blower; 16. Spiral channel; 17. Through hole. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Please see Figure 1 , Figure 2 , Figure 3In this embodiment of the present invention, a high slump-retention polycarboxylate superplasticizer preparation device includes a material drying cylinder 1 and a PLC control cabinet for overall operation. The material drying cylinder 1 has an inlet 2 on one upper end and a discharge port 3 on one end. An exhaust port 10 is located at the top of the drying chamber of the material drying cylinder 1. A lower frame is located on the lower side of the material drying cylinder 1. A blower 15 is fixedly installed on the outer wall of the lower frame. A spiral blade 11 is located in the middle of the material drying cylinder 1 via a transmission shaft 4. A gear set 6 is a reduction gear set, and a motor 8 is fixedly installed on the outer wall of one end of the material drying cylinder 1. This allows the motor 8 and gear set 6 to drive the transmission shaft 4 and spiral blade 11 to rotate at a uniform speed, thus conveying the superplasticizer preparation raw materials spirally and horizontally within the material drying cylinder. This achieves dynamic drying of the material, resulting in strong drying uniformity and convenient and quick unloading.

[0017] like Figure 2 and Figure 3 As shown, in order to improve the drying efficiency of raw materials for water-reducing agent preparation, heating channels are provided inside both the drive shaft 4 and the spiral blade 11. The heating channel inside the spiral blade 11 is set as a spiral channel 16, and the heating channel between the drive shaft 4 and the spiral blade 11 is connected through multiple through holes 17, so that hot air can be delivered into the drive shaft 4 and the spiral blade 11, which facilitates the heating and drying of the middle part of the material being conveyed horizontally by the spiral in the material drying cylinder 1. One end of the drive shaft 4 rotates through the end of the material drying cylinder 1 and is connected to the motor 8 through the gear set 6. One end of the drive shaft 4 is connected to the motor 8 through the gear set 6. A first air inlet pipe 7 is rotatably provided through the bearing housing 5. One end of the first air inlet pipe 7 is provided with a blower 15 and an electric heating wire 14. The other end of the drive shaft 4 is rotatably provided with a second air inlet pipe 13 through another bearing housing. One end of the second air inlet pipe 13 is connected to the heating chamber 12 inside the material drying cylinder 1. The other end of the heating chamber 12 of the material drying cylinder 1 is provided with an air outlet 9, which allows hot air to be delivered into the heating chamber 12. This allows for heating and drying of the outside of the material being conveyed horizontally by the spiral. The simultaneous action of the inside and outside helps to improve the drying efficiency of the raw materials for water-reducing agent preparation, and also results in better drying uniformity.

[0018] like Figure 1 and Figure 2 As shown, a bearing is also provided in the bearing housing 5, and an annular sealing ring is provided on the outside of one end of the bearing housing 5, so that the first air inlet pipe 7 and the second air inlet pipe 13 can be rotatably set at both ends of the transmission shaft 4.

[0019] The working principle and usage process of this utility model are as follows: During use, a spiral blade 11 is installed inside the material drying cylinder 1 via a drive shaft 4. The raw materials for preparing the water-reducing agent are fed into one end of the material drying cylinder 1 through the feed inlet 2. The drive shaft 4 and spiral blade 11 are driven to rotate at a uniform speed by a motor 8 and a gear set 6, causing the raw materials to be spirally and horizontally conveyed within the material drying cylinder 1. A first air inlet pipe 7 and a blower 15 are rotatably mounted on one end of the drive shaft 4 via a bearing seat 5, allowing hot air to be supplied to the drive shaft 4 and spiral blade 11. This facilitates heating and drying of the inner middle part of the material being spirally and horizontally conveyed within the material drying cylinder 1. Simultaneously, a second air inlet pipe 13 is rotatably mounted on the other end of the drive shaft 4 via another bearing seat. One end of the second air inlet pipe 13 is connected to a heating chamber 12 inside the material drying cylinder 1, supplying hot air to the heating chamber 12. This allows for heating and drying of the outer part of the spirally conveyed material. This simultaneous internal and external action improves the drying efficiency of the raw materials for preparing the water-reducing agent and results in higher drying uniformity.

[0020] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A high slump-retention polycarboxylate superplasticizer preparation device, comprising a material drying cylinder (1), characterized in that: The material drying cylinder (1) has a feed inlet (2) on the upper side of one end. The material drying cylinder (1) has a spiral blade (11) in the middle through a drive shaft (4). The drive shaft (4) and the spiral blade (11) are both equipped with heating channels. One end of the drive shaft (4) rotates through the end of the material drying cylinder (1) and is connected to a motor (8) through a gear set (6). One end of the drive shaft (4) is equipped with a first air inlet pipe (7) through a bearing seat (5). One end of the first air inlet pipe (7) is equipped with a blower (15) and a heating wire (14). The other end of the drive shaft (4) is equipped with a second air inlet pipe (13) through another bearing seat (5). One end of the second air inlet pipe (13) is connected to the heating chamber (12) inside the material drying cylinder (1). The other end of the heating chamber (12) of the material drying cylinder (1) is equipped with an air outlet (9).

2. The apparatus for preparing a high slump-retention polycarboxylate superplasticizer according to claim 1, characterized in that: The material drying cylinder (1) is provided with a lower frame on the lower side, and the blower (15) is fixedly installed on the outer wall of the lower frame.

3. The apparatus for preparing a high slump-retention polycarboxylate superplasticizer according to claim 1, characterized in that: The gear set (6) is a reduction gear set, and the motor (8) is fixedly installed on the outer wall of one end of the material drying cylinder (1).

4. The apparatus for preparing a high slump-retention polycarboxylate superplasticizer according to claim 1, characterized in that: The material drying cylinder (1) has a discharge port (3) at one end and an exhaust port (10) at the top of the drying chamber.

5. The apparatus for preparing a high slump-retention polycarboxylate superplasticizer according to claim 1, characterized in that: The heating channel inside the spiral blade (11) is configured as a spiral channel (16), and the heating channel between the drive shaft (4) and the spiral blade (11) is connected through multiple through holes (17).

6. The apparatus for preparing a high slump-retention polycarboxylate superplasticizer according to claim 1, characterized in that: The bearing housing (5) contains a bearing, and an annular sealing ring is provided on the outside of one end of the bearing housing (5).

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