CN213454679U

CN213454679U - Drying device is used in polycarboxylate water reducing agent processing

Info

Publication number: CN213454679U
Application number: CN202022387337.6U
Authority: CN
Inventors: 陈旭红; 李云; 高哲文; 王佳乐
Original assignee: Shanxi Yellow River Chemical Co ltd
Current assignee: Shanxi Yellow River Chemical Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-06-15
Anticipated expiration: 2030-10-23

Abstract

The utility model relates to a drying device for processing a polycarboxylate superplasticizer, belonging to the technical field of water reducer production equipment; the problem that the existing polycarboxylate superplasticizer drying device is easy to denature the superplasticizer due to overhigh temperature and is easy to agglomerate after being dried is solved; the drying device comprises a drying tank, wherein a steam cavity and a steam inlet are arranged in the wall of the drying tank, and a liquid discharge pipe and a liquid discharge valve are arranged at the bottom end of the steam cavity; an exhaust pipe is arranged at the top of the drying tank and is connected with a vacuum pump, and an output pipeline of the vacuum pump is communicated with the steam cavity; the top end of the drying tank is provided with a feeding pipe and a feeding valve, and the lower end of the drying tank is provided with a discharging pipe and a discharging valve; a motor is arranged at the upper part of the drying tank and is connected with a connecting plate through a rotating shaft, a hydraulic cylinder is arranged on the lower end face of the connecting plate, a scraper is fixed at the head part of a piston rod of the hydraulic cylinder, and a control module is arranged on the upper end face of the drying tank; through this drying device, can avoid the water-reducing agent to take place the degeneration because of high temperature, should be convenient for wash simultaneously.

Description

Drying device is used in polycarboxylate water reducing agent processing

Technical Field

The utility model belongs to the technical field of the water-reducing agent production facility, concretely relates to drying device is used in polycarboxylate water-reducing agent processing.

Background

In many concrete projects at present, the traditional high-efficiency concrete such as naphthalene series cannot meet engineering requirements more and more due to the limitation of technical performance, a new generation of water reducing agent which attracts attention at home and abroad, a polycarboxylic acid series high-performance water reducing agent, has super-dispersion type, can prevent the slump loss of the concrete without causing obvious retardation because the effective molecular structure is really designed according to the action mechanism of dispersing cement, can play a higher plasticizing effect under low mixing amount, has good fluidity retention, large freedom of cement adapting to wide molecular structure, more synthesis technology and large margin of high performance, has obvious concrete reinforcing effect, can reduce the shrinkage of the concrete, has the technical performance characteristics of extremely low content of harmful substances and the like, and endows the concrete with excellent construction workability, good strength development, excellent durability, good comprehensive technical performance and environmental protection of the polycarboxylic acid series high-performance water reducing agent, meets the requirements of modern concrete engineering.

The existing drying device for the polycarboxylic acid water reducing agent has the following defects: the existing drying device adopts centrifugal spraying or pressure spray drying, and the two modes are that polycarboxylate water reducing agent stoste is dried at the temperature of more than 150 ℃, so that the performance of the polycarboxylate water reducing agent stoste is changed, the water reducing rate and other performances of powder are reduced, and the polycarboxylate water reducing agent is easy to agglomerate when being dried, is easy to be attached to the inner surface of a drying tank during discharging and can not fall off, and the discharging efficiency of the dried water reducing agent is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes the defects of the prior art and provides a drying device for processing the polycarboxylate superplasticizer; the problem of present polycarboxylate water reducing agent drying device high temperature make the water-reducing agent degeneration easily and easy caking after the drying is solved.

In order to achieve the above purpose, the present invention is achieved by the following technical solutions.

A drying device for processing a polycarboxylate superplasticizer comprises a drying tank, wherein a steam cavity is arranged in the tank wall of the drying tank, a steam inlet is formed in the upper part of one side end face of the drying tank, the steam inlet is communicated with the steam cavity, a steam valve is arranged on the steam inlet, a liquid discharge pipe is arranged at the bottom end of the steam cavity, and a liquid discharge valve is arranged on the liquid discharge pipe; an exhaust pipe is arranged at the top of the drying tank, a vacuum valve is arranged on the exhaust pipe, one end of the exhaust pipe, far away from the drying tank, is connected with the input end of a vacuum pump, an exhaust pipe is arranged at the output end of the vacuum pump, and an air outlet of the exhaust pipe is arranged in the steam cavity; a feeding pipe is arranged at the top end of the drying tank, a feeding valve is arranged on the feeding pipe, a discharging pipe is arranged at the lower end of the drying tank, and a discharging valve is arranged on the discharging pipe; the drying tank is characterized in that a motor is arranged on the upper portion of the drying tank, an output shaft of the motor is connected with a rotating shaft through a coupler, a connecting plate is arranged at one end, away from the motor, of the rotating shaft, a hydraulic cylinder is arranged on the lower end face of the connecting plate, the bottom of the hydraulic cylinder is fixedly connected with the connecting plate, a scraper is fixed to the head of a piston rod of the hydraulic cylinder, a control module is arranged on the upper end face of the drying tank, the input end of the control module is electrically connected with a power source through a wire, and the output end of the control module is connected with the motor, a vacuum valve, a feeding valve, a.

Furthermore, a support column is arranged at the bottom of the drying tank.

Furthermore, a sealing gasket is arranged on the matching hole of the coupler and the drying tank.

Furthermore, the shape of the scraper is attached to the inner side wall surface of the drying tank.

Furthermore, the hydraulic cylinder is in a contracted state in the initial state, and the scraper keeps a certain distance with the inner wall of the drying tank.

The utility model discloses produced beneficial effect for prior art does:

1. the utility model provides a drying device is through setting up the vacuum pump, can realize carrying out the drying with the polycarboxylate water reducing agent under the condition of vacuum negative pressure, the boiling point can reduce under the condition of vacuum negative pressure of water, just can evaporate under the temperature that is less than 100 degrees centigrade, thereby the moisture of liquid water reducing agent need not to reach 100 degrees centigrade and just can evaporate and obtain likepowder water reducing agent like this, likepowder drier that obtains has the same performance with the stoste, can not take place the degeneration because of the high temperature during drying.

2. The utility model provides a high temperature steam that takes out through the vacuum pump among the drying device gets into the steam cavity again in and heats the drying cabinet, make full use of the inside evaporation of drying cabinet waste heat of vapor, improved heat energy practical efficiency, thereby make the vaporized vapor return normal atmospheric pressure liquefaction to liquid water in the steam cavity simultaneously, make things convenient for the collection of waste liquid.

3. The utility model provides a drying device in the drying tank inside set up can rotate also flexible scraper blade, will be located the middle part the water-reducing agent push the drying tank lateral wall and carry out the drying, increased substantially polycarboxylate water-reducing agent's drying efficiency, also can prevent the water-reducing agent caking after the drying simultaneously, the water-reducing agent after being smashed by the scraper blade will be convenient for discharge from the material discharge pipe; to attached the water-reducing agent at the drying cabinet inner wall, the scraper blade after stretching out can strike off it and discharge from the discharging pipe, has made things convenient for the clearance and the maintenance of later stage to the drying cabinet inside greatly.

Drawings

The invention will be described in further detail with reference to the accompanying drawings:

fig. 1 is a schematic structural view of the whole of the present invention;

wherein, 1 is the drying cylinder, 2 is the support column, 3 is steam inlet, 4 is the steam cavity, 5 is the steam valve, 6 is the fluid-discharge tube, 7 is the fluid-discharge valve, 8 is the exhaust tube, 9 is the vacuum valve, 10 is the vacuum pump, 11 is the blast pipe, 12 is the inlet pipe, 13 is the feed valve, 14 is the discharging pipe, 15 is ejection of compact valve, 16 is the motor, 17 is the pivot, 18 is seal ring, 19 is the connecting plate, 20 is the pneumatic cylinder, 21 is the scraper blade, 22 is control module.

Detailed Description

In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.

As shown in fig. 1, the utility model provides a drying device for processing a polycarboxylate water reducing agent, which comprises a drying tank 1, wherein a support column 2 is arranged at the bottom of the drying tank 1, a steam cavity 4 is arranged inside the tank wall of the drying tank 1, a steam inlet 3 is arranged on the upper part of the end face of the right side of the drying tank 1, the steam inlet 3 is communicated with the steam cavity 4, a steam valve 5 is arranged on the steam inlet 3, a liquid discharge pipe 6 is arranged on the left side of the bottom end of the steam cavity 4, and liquid discharge valves 7 are arranged on the liquid discharge pipe 6; an exhaust pipe 8 is arranged on the left side of the top of the drying tank 1, a vacuum valve 9 is arranged on the exhaust pipe 8, one end, far away from the drying tank 1, of the exhaust pipe 8 is connected with the input end of a vacuum pump 10, an exhaust pipe 11 is arranged at the output end of the vacuum pump 10, and an air outlet of the exhaust pipe 11 is arranged inside the steam cavity 4; a feeding pipe 12 is arranged on the right side of the top end of the drying tank 1, a feeding valve 13 is arranged on the feeding pipe 12, a discharging pipe 14 is arranged in the middle of the lower end of the drying tank 1, and a discharging valve 15 is arranged on the discharging pipe 14; the utility model discloses a drying cylinder, including dry can 1, motor 16, connecting plate 19, pneumatic cylinder 20, connecting plate 19 fixed connection, pneumatic cylinder 20's piston rod head is fixed with scraper blade 21, scraper blade 21's shape and dry can 1's medial surface are laminated mutually, and motor 16's output shaft has pivot 17 through the coupling joint, the shaft coupling is provided with seal ring 18 with dry can 1's mating holes, the one end that motor 16 was kept away from to pivot 17 is provided with connecting plate 19, the left and right sides symmetry of terminal surface is provided with pneumatic cylinder 20 under the connecting plate 19, the cylinder bottom of pneumatic. The drying tank 1 up end still is provided with control module 22, control module 22's input carries out electric connection through the wire with the power, control module 22's output is connected with motor 19, vacuum valve 9, feed valve 13, discharge valve 15, steam valve 5, flowing back valve 7, pneumatic cylinder 20 respectively through the wire, and pneumatic cylinder 20's initial condition is the contraction state, and scraper blade 21 keeps certain interval with drying tank 1 inner wall.

The principle and the using method of the utility model are as follows: when the drying device starts to work, the control module 22 controls the feeding valve 13 and the steam valve 5 to be opened, the liquid water reducing agent enters the drying tank 1 from the feeding pipe 12, high-temperature and high-pressure steam enters the steam cavity 4 along the steam inlet 3, the temperature inside the drying tank 1 is continuously increased along with the continuous entering of the steam into the steam cavity 4, and moisture in the liquid water reducing agent is continuously converted into the steam due to the heating evaporation; at this time, the control module 22 controls the vacuum valve 9 and the vacuum pump 10 to be opened, the water vapor in the drying tank 1 is continuously pumped into the steam cavity 4 by the vacuum pump 10 along the exhaust pipe 8, the drying tank 1 is heated by the vacuum pump 10 and the high-temperature water vapor entering the steam cavity 4 from the steam inlet 3, the waste heat of the water vapor evaporated in the drying tank 1 is fully utilized, and the heat energy practical efficiency is improved; control module 22 control motor 16 rotates simultaneously, motor 16 drives pivot 17 and scraper blade 21 and in the inside rotation that does not stop of drying chamber 1, can stir the water-reducing agent that gathers in 1 bottom of drying chamber, the water-reducing agent that will be located the middle part is pushed the drying chamber lateral wall and is dried, polycarboxylate water-reducing agent's drying efficiency has been increased substantially, the water-reducing agent caking after also can preventing the drying simultaneously, the water-reducing agent after being smashed by scraper blade 21 will be convenient for discharge from arranging in material pipe 14.

Get into the inside water-reducing agent of drying chamber 1 after all drying finishes, control module 22 controls feed valve 13, vacuum valve 9 closes, discharge valve 15 opens, the likepowder water-reducing agent after the drying is discharged from discharging pipe 14, the water-reducing agent of loose form discharges the back, control module 22 controls the piston rod of hydraulic stem 20 and stretches out, scraper blade 21 of piston rod tip is attached in 1 inner wall surface of drying chamber, along with scraper blade 21's rotation, attached water-reducing agent of 1 jar inner wall of drying is constantly scraped and is finally discharged from discharging pipe 14. After the water reducing agent attached to the inner wall of the drying tank 1 is also discharged, the control module 22 controls the hydraulic cylinder 20 to recover to the initial contraction state, the motor 16 stops rotating, the discharge valve 15 and the steam valve 5 are closed, the liquid discharge valve 7 is opened, the steam in the steam cavity 4 returns to the normal air pressure and temperature to become waste liquid, the waste liquid is finally discharged from the liquid discharge pipe 6, the liquid discharge valve 7 is closed after the discharge, and the drying cycle of the water reducing agent is finished.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a drying device is used in polycarboxylate water reducing agent processing which characterized in that: the drying device comprises a drying tank (1), wherein a steam cavity (4) is arranged in the wall of the drying tank (1), a steam inlet (3) is formed in the upper part of the end face of one side of the drying tank (1), the steam inlet (3) is communicated with the steam cavity (4), a steam valve (5) is arranged on the steam inlet (3), a liquid discharge pipe (6) is arranged at the bottom end of the steam cavity (4), and a liquid discharge valve (7) is arranged on the liquid discharge pipe (6); an exhaust pipe (8) is arranged at the top of the drying tank (1), a vacuum valve (9) is arranged on the exhaust pipe (8), one end, far away from the drying tank (1), of the exhaust pipe (8) is connected with the input end of a vacuum pump (10), an exhaust pipe (11) is arranged at the output end of the vacuum pump (10), and an air outlet of the exhaust pipe (11) is arranged inside the steam cavity (4); a feeding pipe (12) is arranged at the top end of the drying tank (1), a feeding valve (13) is arranged on the feeding pipe (12), a discharging pipe (14) is arranged at the lower end of the drying tank (1), and a discharging valve (15) is arranged on the discharging pipe (14); a motor (16) is arranged at the upper part of the drying tank (1), an output shaft of the motor (16) is connected with a rotating shaft (17) through a coupling, one end of the rotating shaft (17) far away from the motor (16) is provided with a connecting plate (19), a hydraulic cylinder (20) is arranged on the lower end surface of the connecting plate (19), the bottom of the hydraulic cylinder (20) is fixedly connected with the connecting plate (19), a scraper (21) is fixed at the head of a piston rod of the hydraulic cylinder (20), a control module (22) is arranged on the upper end surface of the drying tank (1), the input end of the control module (22) is electrically connected with a power supply through a lead, and the output end of the control module (22) is respectively connected with the motor (16), the vacuum valve (9), the feeding valve (13), the discharging valve (15), the steam valve (5), the liquid discharging valve (7) and the hydraulic cylinder (20) through leads.

2. The drying device for processing the polycarboxylate superplasticizer according to claim 1, wherein: the bottom of drying cylinder (1) is provided with support column (2).

3. The drying device for processing the polycarboxylate superplasticizer according to claim 1, wherein: and a sealing gasket (18) is arranged in the matching hole of the coupler and the drying tank (1).

4. The drying device for processing the polycarboxylate superplasticizer according to claim 1, wherein: the shape of the scraper (21) is fit with the inner side wall surface of the drying tank (1).

5. The drying device for processing the polycarboxylate superplasticizer according to claim 1, wherein: the initial state of the hydraulic cylinder (20) is a contraction state, and the scraper (21) keeps a certain distance with the inner wall of the drying tank (1).