CN211329374U

CN211329374U - Polycarboxylate water reducing agent pre-reaction device

Info

Publication number: CN211329374U
Application number: CN201922050031.9U
Authority: CN
Inventors: 周芬; 马双平; 朱华雄
Original assignee: Wuhan Super New Building Materials Co ltd
Current assignee: Wuhan Super New Building Materials Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-08-25
Anticipated expiration: 2029-11-25

Abstract

The utility model relates to a polycarboxylate water reducing agent is reaction unit in advance, be the cylindrical jar body of sphere including the vertical both ends of placing, wherein jar body upper end sphere center is equipped with the entry motorised valve of having connected the inlet pipe, near jar body lower extreme sphere bottom is equipped with the export motorised valve of having connected the discharging pipe, the internal portion of jar separates the feeding room for the top, the teeter chamber of bottom and the heating chamber in middle section, the bottom of teeter chamber is equipped with the flabellum, the outside is equipped with the motor, feeding room and teeter chamber are linked together through material loading pipe and blanking pipe, be equipped with the water absorption pump on the material loading pipe, the heating chamber middle part is. The utility model discloses a reactant's circulation flow and stirring in reaction vessel, the at utmost has realized the homogeneous mixing of reactant and has been heated, has effectively improved the reaction quality of polycarboxylate water reducing agent preliminary reaction, helps improving final product quality, has reduced the hidden danger after the water reducing agent is applied to the engineering, and equipment area is little, is convenient for use with current production facility is supporting.

Description

Polycarboxylate water reducing agent pre-reaction device

Technical Field

The utility model belongs to industrial chemicals processing equipment especially relates to a polycarboxylate water reducing agent pre-reaction device.

Background

When the polycarboxylic acid water reducing agent is synthesized in winter, the raw materials are often insufficiently dissolved due to low environmental temperature, so that insufficient reaction is caused, and the product quality is influenced. Most of the existing various types of polycarboxylic acid water reducing agent synthesis reactors adopt traditional fixed-point stirring, and even if a heating device is additionally arranged for accelerating the reaction progress, uneven heating easily causes the reduction of the quality of the polycarboxylic acid water reducing agent in the reaction process. In order to solve the problems of uneven stirring and high difficulty in temperature control, technical improvement is made by technicians in the field, for example, the stirring power is increased, the heating mode is changed into the electric heating sheet for even laying, and the like, but the problems are all temporary and permanent, the problems cannot be fundamentally solved, and the problems that reactants in a reactor cannot be uniformly mixed and are not uniformly heated are not well solved.

Disclosure of Invention

An object of the utility model is to provide a polycarboxylate water reducing agent reaction unit in advance can the intensive mixing reactant, and the reaction process thermally equivalent is favorable to improving the quality of polycarboxylate water reducing agent product.

The technical scheme of the utility model is that:

a pre-reaction device for a polycarboxylate superplasticizer comprises a vertically-placed cylindrical tank body with spherical surfaces at two ends, wherein an inlet electric valve is arranged at the center of the spherical surface at the upper end of the tank body, and a feeding pipe is connected with the inlet electric valve; an outlet electric valve is arranged near the bottom of the spherical surface at the lower end of the tank body, and the discharge pipe is connected with the outlet electric valve; the interior of the tank body is divided into a feeding chamber at the top end, a stirring chamber at the bottom end and a heating chamber at the middle section, the bottom of the stirring chamber is provided with fan blades, and the exterior of the stirring chamber is provided with a motor for providing power for the fan blades; the feeding chamber is communicated with the stirring chamber through a feeding pipe and a blanking pipe, a water suction pump is arranged on the feeding pipe, and the upper end of the blanking pipe is higher than the bottom surface of the feeding chamber; the middle part of the heating chamber is provided with an electric heating part, and the outside of the heating chamber is provided with a power supply for supplying energy to the electric heating part.

The electric heating part is a regular electric heating device in the prior art with uniform shape.

Compared with the prior art, the utility model beneficial effect be:

1. the polycarboxylic acid water reducing agent reactant enters a feeding chamber in the tank body from a feeding pipe through an inlet electric valve and then enters a stirring chamber from a blanking pipe, an external motor controls fan blades to stir the reactant, a water suction pump works simultaneously to suck the reactant from the stirring chamber back into the feeding chamber through a feeding pipe, so that internal circulation of a feeding chamber, the blanking pipe, the stirring chamber, the feeding pipe and the feeding chamber is formed, all materials are uniformly mixed and stirred in the circulation process, the pre-reaction area is large, and the reaction is sufficient;

2. the electric heating part arranged in the heating chamber in the middle of the tank body uniformly heats the whole tank body, the whole reaction temperature can be controlled from the outside, and reactants can be uniformly heated due to the circular flow in the tank body, so that the reactant deterioration caused by local overheating is avoided;

3. the reactant after the pre-reaction is discharged from the discharging pipe through the electric valve at the outlet, no matter the feeding or discharging is carried out, the utility model discloses be convenient for all use with the supporting of current polycarboxylate water reducing agent production facility, and area is little, economic benefits is showing.

The utility model discloses a designed the circulation flow and the stirring of reactant in reaction vessel, furthest has realized the homogeneous mixing of reactant and has been heated, has effectively improved the reaction quality of polycarboxylate water reducing agent during reaction in advance, helps improving final product quality, has reduced the hidden danger after the water reducing agent is applied to the engineering, and equipment area is little, is convenient for use with current production facility is supporting.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention when viewed from the front.

Fig. 2 is a schematic view of the internal structure of the present invention when viewed from the side.

Shown in the figure:

1-tank body, 101-feeding chamber, 102-stirring chamber, 103-heating chamber, 2-inlet electric valve, 3-feeding pipe, 4-outlet electric valve, 5-discharging pipe, 6-fan blade, 7-motor, 8-feeding pipe, 9-water suction pump, 10-blanking pipe, 11-electric heating part, 12-power supply.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. In the following description of embodiments of the present invention, it is to be understood that the terms "middle", "upper", "lower", "side", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Meanwhile, the terms such as "water suction pump", "electric valve", "motor", "fan blade", "power supply" and the like are the existing mature technologies which are adopted in a large number in the modern chemical industry, and the technical personnel in the field can easily obtain and adopt the terms from the prior art, which does not belong to the unique invention of the utility model, but does not influence the creativity of the utility model.

Referring to fig. 1 and 2, a pre-reaction device for a polycarboxylate superplasticizer comprises a vertically-arranged cylindrical tank body 1 with spherical ends, wherein an inlet electric valve 2 is arranged at the spherical center of the upper end of the tank body 1, and a feeding pipe 3 is connected with the inlet electric valve 2; an outlet electric valve 4 is arranged near the bottom of the spherical surface at the lower end of the tank body 1, and a discharge pipe 5 is connected with the outlet electric valve 4; the interior of the tank body 1 is divided into a feeding chamber 101 at the top end, a stirring chamber 102 at the bottom end and a heating chamber 103 at the middle section, the bottom of the stirring chamber 102 is provided with fan blades 6, and the exterior is provided with a motor 7 for providing power for the fan blades 6; the feeding chamber 101 is communicated with the stirring chamber 102 through a feeding pipe 8 and a blanking pipe 10, a water suction pump 9 is arranged on the feeding pipe 8, and the upper end of the blanking pipe 10 is higher than the bottom surface of the feeding chamber 101; the heating chamber 103 is provided with an electric heating part 11 at the middle part and a power supply 12 at the outside for supplying power to the electric heating part 11.

The electric heating part 11 is a conventional electric heating device with a uniform and regular shape.

When the utility model is used, the reactant of the polycarboxylic acid water reducing agent enters the feeding chamber 101 in the tank body 1 from the feeding pipe 3 through the electric valve 2 at the inlet, then enters the stirring chamber 102 from the blanking pipe 10, the external motor 7 controls the fan blades 6 to stir the reactants, the water suction pump 9 works simultaneously to suck the reactants from the stirring chamber 102 back into the feeding chamber 101 through the feeding pipe 8, thereby forming an internal circulation of the feeding chamber 101, the blanking pipe 10, the stirring chamber 102, the feeding pipe 8 and the feeding chamber 101, meanwhile, the electric heating part 11 arranged in the heating chamber 103 in the middle of the tank body 1 uniformly heats the whole tank body, the whole reaction temperature can be controlled from the outside, and the reactants circularly flow in the tank body 1, therefore, the pre-reaction product can be heated uniformly, local overheating is avoided, and the pre-reaction product is discharged from the discharge pipe 5 through the electric valve 4.

While the above embodiments have been described with reference to fig. 1 and 2, the description of the preferred embodiments of the present invention should not be construed as limiting the scope of the invention, and it will be apparent that many variations are possible within the spirit of the invention. Any modifications made within the spirit of the invention will fall within the scope of the invention.

Claims

1. The utility model provides a polycarboxylate water reducing agent is reaction unit in advance which characterized in that:

the device comprises a vertically arranged cylindrical tank body (1) with spherical surfaces at two ends, wherein an inlet electric valve (2) is arranged at the spherical center of the upper end of the tank body (1), and a feeding pipe (3) is connected with the inlet electric valve (2); an outlet electric valve (4) is arranged near the bottom of the spherical surface at the lower end of the tank body (1), and a discharge pipe (5) is connected with the outlet electric valve (4); the tank body (1) is internally divided into a feeding chamber (101) at the top end, a stirring chamber (102) at the bottom end and a heating chamber (103) at the middle section, the bottom of the stirring chamber (102) is provided with fan blades (6), and the outside is provided with a motor (7) for providing power for the fan blades (6); the feeding chamber (101) is communicated with the stirring chamber (102) through a feeding pipe (8) and a blanking pipe (10), a water suction pump (9) is arranged on the feeding pipe (8), and the upper end of the blanking pipe (10) is higher than the bottom surface of the feeding chamber (101); the middle part of the heating chamber (103) is provided with an electric heating part (11), and the outside is provided with a power supply (12) for supplying energy to the electric heating part (11).

2. The polycarboxylate water reducing agent pre-reaction device of claim 1, characterized in that:

the electric heating part (11) is a uniform and regular electric heating device in the prior art.