CN210384873U

CN210384873U - Drying device for polycarboxylate superplasticizer

Info

Publication number: CN210384873U
Application number: CN201921035664.6U
Authority: CN
Inventors: 孟杰; 刘久玉; 孙新建
Original assignee: Hebi Baolai Chemical Technology Co Ltd
Current assignee: Hebi Baolai Chemical Technology Co Ltd
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-04-24
Anticipated expiration: 2029-07-04

Abstract

The utility model relates to a polycarboxylate water reducing agent's processing equipment technical field, concretely relates to polycarboxylate water reducing agent's drying device, including a drying section of thick bamboo, return mechanism and vibration discharge mechanism, the liquid water reducing agent in the material storehouse passes through the atomizer and spouts in a drying section of thick bamboo, a drying section of thick bamboo is by the heater heating in order to guarantee the uniform temperature, vaporific water reducing agent is discharged by the discharge gate and is collected after the abundant drying becomes the powder on a drying section of thick bamboo and vibration board, the back flow department of a drying section of thick bamboo produces the negative pressure and inhales the back flow with vaporific water reducing agent, the filter screen that back flow mouth of pipe slope set up can avoid the water reducing agent powder to inhale, but the installation in a drying section of thick bamboo bottom.

Description

Drying device for polycarboxylate superplasticizer

Technical Field

The utility model relates to a polycarboxylate water reducing agent's processing equipment technical field, concretely relates to polycarboxylate water reducing agent's drying device.

Background

The water reducing agent is a common additive for preparing concrete, can reduce the water amount required by concrete construction, reduce the water-cement ratio, improve the concrete strength and shorten the concrete curing age, can enable the concrete to have longer-term durability and corrosion resistance, and is widely applied to projects such as highways, bridges, dams, tunnels, high-rise buildings and the like, and projects such as Shanghai magnetic levitation, Shanghai Global finance center, Hangzhou gulf sea-crossing bridges and the like all use the polycarboxylic acid water reducing agent. The polycarboxylate superplasticizer is green and environment-friendly, is not flammable and explosive, can be safely transported by trains and automobiles, and has low mixing amount and high water reducing rate; the polycarboxylic acid water reducing agent has good compatibility with cement, and the prepared concrete has small shrinkage. Because the polycarboxylate superplasticizer is mostly in a liquid state, the polycarboxylate superplasticizer is inconvenient to use from transportation to customers, and the existing powder preparation process is complex and unsafe in production process, so that inconvenience is brought to people for use. At present, most of common polycarboxylate water reducing agent powder manufacturing devices adopt an atomizer to atomize and dry a liquid water reducing agent, but the finished product still can be doped with a dripping water reducing agent, and the later stage of the water reducing agent powder needs additional drying operation.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a drying device of polycarboxylate water reducing agent powder process, including the drying cylinder, backward flow mechanism and vibration discharge mechanism, the liquid water-reducing agent in the material storehouse passes through the atomizer and spouts in the drying cylinder, the drying cylinder is heated in order to guarantee the uniform temperature by the heater, vaporific water-reducing agent is discharged by the discharge gate and is collected after the abundant drying becomes powder on drying cylinder and vibration board, the back flow department of drying cylinder produces the negative pressure and inhales the back flow with vaporific water-reducing agent, the filter screen that back flow mouth of pipe slope set up can avoid the absorbing of water-reducing agent powder, but the installation in drying cylinder bottom surface of drying cylinder's bottom plate telescopic drawing, with the powder of leaking down from the vibration.

The utility model provides a drying device for a polycarboxylate water reducing agent, which comprises a drying cylinder, a reflux mechanism and a vibration discharging mechanism, wherein the drying cylinder is a hollow cylinder body, a heater for heating the drying cylinder is arranged on the inner wall of the drying cylinder, an atomizer is arranged at the top of the drying cylinder, and the atomizer is communicated with a material bin for storing a polycarboxylate water reducing agent solution through an inlet pipe; the reflux mechanism comprises a reflux pipe and a suction pump, the reflux pipe is arranged on the side wall of the drying cylinder in a penetrating way, and the suction pump is arranged at one end of the reflux pipe, which is positioned outside the drying cylinder; the vibration discharging mechanism is arranged at the bottom of the drying cylinder and comprises a vibration plate and a motor for driving the vibration plate to move.

As a further proposal of the drying device of the polycarboxylate superplasticizer, the drying cylinder is a square cylinder, a discharge hole is arranged on one side wall of the drying cylinder, and the outer wall of the drying cylinder corresponds to the discharge hole and is installed with a discharge cylinder.

As the utility model relates to a polycarboxylate water reducing agent's drying device's further scheme, the vibration board is the rectangular plate, and two sides that the vibration board is relative all are connected with the spring to inner wall through the dry section of thick bamboo of spring coupling and the inner wall of play feed cylinder respectively.

As the utility model relates to a polycarboxylate water reducing agent's drying device's further scheme, the fixed fixture block that is provided with in bottom surface of vibration board, the motor setting is in the below of vibration board to the terminal rigid coupling of pivot of motor has the shifting block that is used for stirring the fixture block.

As a further proposal of the drying device of the polycarboxylate superplasticizer, the face of the vibrating plate is inclined towards the discharging barrel.

As a further proposal of the drying device of the polycarboxylate superplasticizer, the bottom surface of the corresponding discharging cylinder bottom plate of the vibrating plate is fixed with a buffer block.

As a further proposal of the drying device of the polycarboxylate superplasticizer, the one end of the backflow pipe, which is positioned inside the drying cylinder, is provided with a filter screen, and the filter screen is inclined towards the bottom of the drying cylinder, and the backflow pipe is positioned on the pipe wall outside the drying cylinder and is connected with a drain pipe.

As a further proposal of the drying device of the polycarboxylate superplasticizer, the liquid outlet pipes on the return pipe are a plurality of and vertically arranged, and the tail ends of the liquid outlet pipes are connected with a liquid collecting tank.

As a further proposal of the drying device of the polycarboxylate superplasticizer, the top of the inside of the return pipe, which is positioned at the mouth of the liquid outlet pipe, is provided with a screen.

As a further proposal of the drying device for the polycarboxylate superplasticizer, the bottom outer wall of the drying cylinder is provided with a drawing groove, and the bottom plate of the drying cylinder passes through the drawing groove and is movably arranged at the bottom of the drying cylinder.

Advantageous effects

1. A heater for adjusting the temperature in the drying cylinder is arranged in the drying cylinder, an atomizer is arranged at the top of the drying cylinder, the atomizer is communicated with a material bin for storing a polycarboxylate superplasticizer solution through a pipeline, the polycarboxylate superplasticizer solution is continuously converted into mist by the atomizer and sprayed into the drying cylinder, and the drying cylinder is dried into powder under the action of the temperature in the drying cylinder; be in the powder in the drying cylinder, the polycarboxylate water reducing agent of fog mixing state, constantly sink to the vibration board on, constantly discharge to the discharge gate of drying cylinder under vibration discharge mechanism drives, the face of vibration board sets up to the slope of discharge pipe direction, and the inner wall of spring coupling drying cylinder and discharging pipe is passed through respectively on relative both sides, vibration board is by periodic vibration under the motor drive, carry its surperficial water reducing agent to the discharge gate direction, the temperature of face is dry into likepowder with vaporific liquid water reducing agent simultaneously.

2. The back flow is worn to be equipped with by the wall of drying cylinder, the one end that the back flow is located drying cylinder is provided with the filter screen to the slope of drying cylinder bobbin base direction, the back flow is located evenly to be connected with a plurality of drain pipes along the pipe length direction on the outer pipe wall of drying cylinder, the drain pipe bottom is connected with the fluid collection tank, the mouth of pipe top that is located every drain pipe in the back flow is equipped with the screen cloth, the end connection that the back flow is located drying cylinder outside has the aspiration pump, be used for taking out the partial vaporific water-reducing agent of drying.

Drawings

Fig. 1 is a schematic sectional view of the front structure of the drying apparatus of the present invention;

fig. 2 is a schematic sectional view of a side structure of the drying apparatus of the present invention;

FIG. 3 is a schematic side view of the drying apparatus according to the present invention;

the labels in the figure are: 1. the device comprises a drying cylinder, 2, an atomizer, 3, a return pipe, 4, a vibrating plate, 5, a motor, 6, a discharging cylinder, 7, a spring, 8, a clamping block, 9, a shifting block, 10, a filter screen, 11, a liquid outlet pipe, 12 and a screen.

Detailed Description

As shown in the figure: a drying device for a polycarboxylate water reducer comprises a drying cylinder 1, a backflow mechanism and a vibration discharging mechanism, wherein the drying cylinder 1 is a hollow rectangular cylinder, the top of the drying cylinder 1 is conical, an atomizer 2 is installed at the top end of the drying cylinder 1, the atomizer 2 is communicated with a material bin through a feeding pipe, the material bin is used for placing a polycarboxylate water reducer solution to be processed, and the atomizer 2 sprays the polycarboxylate water reducer solution into the drying cylinder 1 in a mist shape for drying processing; the outer wall of the barrel bottom of the drying barrel 1 is provided with a drawing groove, the bottom plate of the drying barrel 1 is movably mounted at the bottom of the drying barrel 1 through the drawing groove, a rectangular discharge port is formed in the barrel wall of one side of the drying barrel 1, a discharge barrel 6 is arranged outside the drying barrel 1 and corresponds to the discharge port, and the discharge barrel 6 inclines towards the barrel bottom of the drying barrel 1.

The vibration discharging mechanism comprises a vibration plate 4 and a motor 5, the vibration plate 4 is a rectangular plate, two opposite plate edges of the vibration plate 4 are respectively connected with a spring 7, two opposite edges of the vibration plate 4 are respectively connected with the inner wall of the drying cylinder 1 and the side wall of the discharging cylinder 6 through the springs 7, the vibration plate 4 is slightly inclined towards the discharging port, a clamping block 8 is fixed on the bottom surface of the vibration plate 4, an arc surface is adopted between the side surface of the clamping block 8 facing the direction away from the discharging port and the bottom surface of the clamping block, and the arc surface is concave towards the vibration plate 4; the outer wall of the drying cylinder 1 is provided with a motor 5, a rotating shaft of the motor 5 penetrates through the side wall of the drying cylinder 1, the tail end of the rotating shaft is connected with a shifting block 9, the shifting block 9 protrudes towards one side of the rotating shaft, when the motor 5 drives the rotating shaft to rotate, the shifting block 9 periodically shifts a clamping block 8 to shift the vibrating plate 4 towards the discharge port, a plurality of buffer blocks are fixed on the bottom surface of the vibrating plate 4 corresponding to the position of the bottom plate of the discharge cylinder 6, and the buffer blocks can be elastic articles such as rubber blocks;

the reflux mechanism includes back flow 3 and aspiration pump, back flow 3 wears to establish on 1 inner wall of drying cylinder, back flow 3 is located the port of 1 inside of drying cylinder and inclines to 1 bobbin base direction of drying cylinder, filter screen 10 is installed at the tip of back flow 3 and inclines to the bobbin base direction of drying cylinder 1, back flow 3 is located and evenly is connected with a plurality of drain pipes 11 along the pipe length direction on the pipe wall of 1 outside of drying cylinder, the equal vertical setting of drain pipe 11, the mouth of pipe top that is located drain pipe 11 in the back flow 3 all is equipped with screen cloth 12, the bottom intercommunication collecting tank of drain pipe 11, the end-to-end connection of back flow 3 has the aspiration pump, the section of thick bamboo wall of drying cylinder 1 is equipped with a plurality of reflux mechanisms and is equipped with the scavenge.

In the production process, the atomizer 2 continuously sprays the polycarboxylate superplasticizer solution in the material bin into the drying cylinder 1 in a mist form, a heater in the drying cylinder 1 works to enable the drying cylinder 1 to be at a temperature capable of drying the mist polycarboxylate superplasticizer solution into powder, one part of the polycarboxylate superplasticizer in a mist and powder mixing state in the drying cylinder 1 is acted by a backflow mechanism, the liquid superplasticizer in the polycarboxylate superplasticizer solution enters the backflow pipe 3 through the filter screen 10 under the action of an air suction pump, enters the liquid collecting tank through the liquid outlet pipe 11 to be put into the drying cylinder 1 again for drying and processing, the filter screen 10 can prevent the powdery superplasticizer from entering the backflow pipe 3, and the plurality of screen meshes 12 can prevent the powdery superplasticizer from entering the backflow pipe 3 from entering the air suction pump; most of polycarboxylate superplasticizers in a mist and powder mixing state fall onto a vibrating plate 4, the vibrating plate 4 is driven by a motor 5 to vibrate, the polycarboxylate superplasticizers on the vibrating plate are driven to be conveyed towards a discharge port, meanwhile, due to the high temperature in a drying cylinder 1, the plate surface of the vibrating plate 4 also has higher temperature, so that the fog drop-shaped polycarboxylate superplasticizers on the plate surface are dried into powder in the vibrating conveying process, the motor 5 periodically dials the vibrating plate 4 to the discharge port, when a dial block 9 dials a clamping block 8, the vibrating plate 4 is lifted and conveyed towards the discharge port, when the dial block 9 is driven by the motor and is not contacted with the clamping block 8, a spring 9 drives the vibrating plate 4 to reset, so that the polycarboxylate superplasticizers on the vibrating plate 4 are continuously conveyed towards the discharge port, and simultaneously clumping among the polycarboxylate superplasticizers can be avoided under the; the bottom plate of the drying cylinder 1 is installed at the bottom of the drying cylinder 1 in a drawing mode, and the bottom plate of the drying cylinder 1 is periodically opened to collect accumulated polycarboxylic acid water reducing agent powder on the bottom plate.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent changes without departing from the technical scope of the present invention.

Claims

1. The utility model provides a drying device of polycarboxylate water reducing agent which characterized in that: the device comprises a drying cylinder (1), a reflux mechanism and a vibration discharging mechanism, wherein the drying cylinder (1) is a hollow cylinder body, a heater for heating the drying cylinder (1) is installed on the inner wall of the drying cylinder (1), an atomizer (2) is arranged at the top of the drying cylinder (1), and the atomizer (2) is communicated with a material bin for storing a polycarboxylic acid water reducing agent solution through a feeding pipe; the backflow mechanism comprises a backflow pipe (3) and an air pump, the backflow pipe (3) penetrates through the side wall of the drying cylinder (1), and the air pump is installed at one end, located outside the drying cylinder (1), of the backflow pipe (3); the vibration discharging mechanism is installed at the bottom of the drying cylinder (1) and comprises a vibration plate (4) and a motor (5) for driving the vibration plate (4) to move.

2. The drying device for the polycarboxylate superplasticizer according to claim 1, characterized in that: the drying cylinder (1) is a square cylinder, a discharge hole is formed in one side wall of the drying cylinder (1), and a discharge cylinder (6) is installed on the outer wall of the drying cylinder (1) corresponding to the discharge hole.

3. The drying device for the polycarboxylate superplasticizer as claimed in claim 2, wherein: the vibrating plate (4) is a rectangular plate, two opposite side edges of the vibrating plate (4) are connected with springs (7), and the vibrating plate is connected with the inner wall of the drying cylinder (1) and the inner wall of the discharging cylinder (6) through the springs (7) respectively.

4. The drying device for the polycarboxylate superplasticizer of claim 3, wherein: the bottom surface of the vibration plate (4) is fixedly provided with a clamping block (8), the motor (5) is arranged below the vibration plate (4), and the tail end of a rotating shaft of the motor (5) is fixedly connected with a shifting block (9) used for shifting the clamping block (8).

5. The drying device for the polycarboxylate superplasticizer of claim 4, wherein: the plate surface of the vibrating plate (4) is obliquely arranged towards the discharging barrel (6).

6. The drying apparatus for a polycarboxylic acid water-reducing agent according to claim 3, 4 or 5, characterized in that: and a buffer block is fixed on the bottom surface of the vibrating plate (4) corresponding to the bottom plate of the discharging barrel (6).

7. The drying device for the polycarboxylate superplasticizer according to claim 1, characterized in that: the one end that back flow (3) are located drying cylinder (1) inside is equipped with filter screen (10) to filter screen (10) set up to the direction slope of drying cylinder (1) bobbin base, are connected with drain pipe (11) on back flow (3) are located the outside pipe wall of drying cylinder (1).

8. The drying device for the polycarboxylate superplasticizer according to claim 7, characterized in that: the liquid outlet pipes (11) on the return pipe (3) are arranged longitudinally, and the tail ends of the liquid outlet pipes (11) are connected with a liquid collecting tank.

9. The drying device for the polycarboxylate superplasticizer according to claim 7, characterized in that: the inside of the return pipe (3) is provided with a screen (12) above the orifice of the liquid outlet pipe (11).

10. The drying device for the polycarboxylate superplasticizer according to claim 1, characterized in that: the outer wall of the bottom of the drying cylinder (1) is provided with a drawing groove, and the bottom plate of the drying cylinder (1) is movably arranged at the bottom of the drying cylinder (1) through the drawing groove.