CN217431695U

CN217431695U - Polycarboxylate water reducing agent pre-reactor

Info

Publication number: CN217431695U
Application number: CN202220472001.6U
Authority: CN
Inventors: 黄松; 张毕军; 陈鹏明
Original assignee: Sichuan Qihui New Materials Co ltd
Current assignee: Sichuan Qihui New Materials Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-09-16
Anticipated expiration: 2032-03-03

Abstract

The utility model relates to the technical field of water reducer production equipment, and provides a polycarboxylate water reducer pre-reactor aiming at the problem of easy caking and blockage of raw materials in the existing polycarboxylate water reducer pre-reaction device, which comprises a pre-reaction tank body and a stirring component arranged in the pre-reaction tank body; the pre-reaction tank body comprises an outer tank body and an inner tank body, and the inner tank body is rotatably connected with the top cover of the pre-reaction tank body; the side wall surface of the inner tank body is provided with a plurality of holes, and the hole diameter of each hole can only allow liquid to permeate through; the feed inlet of the pre-reaction tank body is positioned at the top of the pre-reaction tank body and close to the inner tank body. The utility model discloses a pre-reaction tank body is multilayer structure, and a plurality of holes have been seted up to the lateral wall face of the inlayer jar body, and the liquid of not caking passes through the hole and permeates to between the inlayer jar body and the outer jar body in the raw materials, and the rethread suction pump sprays to the intermediate layer pipe wall in, breaks up the caking.

Description

Polycarboxylate water reducing agent pre-reactor

Technical Field

The utility model relates to a water-reducing agent production facility technical field particularly, relates to a polycarboxylate water-reducing agent pre-reactor.

Background

At present, the polycarboxylic acid water reducing agent for industrial production can adopt a monomer direct copolymerization method, firstly, an active macromonomer is prepared, then, a small monomer and a large monomer are subjected to copolymerization reaction in an aqueous solution under the initiation of an initiator, and with the increasing maturity and more varieties of the synthesis process of the large monomer, the synthesis method is the most common method for synthesizing the polycarboxylic acid water reducing agent at the present stage. When the method is adopted to prepare the polycarboxylate superplasticizer, the reactants are generally subjected to pre-reaction treatment firstly to promote the copolymerization reaction to be more efficient.

For example, patent publication No. CN214159604U discloses a polycarboxylate superplasticizer pre-reactor, wherein a filter screen is disposed at a feed inlet to filter out lumps before raw materials enter the interior of the pre-reactor main body, so as to avoid blockage caused by the raw materials caking during or after the reaction. However, the above technical solutions have the following problems in practical use: in the pre-reaction process, the raw materials are agglomerated, including the agglomeration of the raw materials and the agglomeration generated in the reaction process, and the scheme can only solve the agglomeration of the raw materials, so that the anti-agglomeration blocking effect is poor.

Therefore, a polycarboxylate superplasticizer prereactor capable of effectively preventing blocking due to agglomeration is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the raw materials that exist in the pre-reaction device of the existing polycarboxylate superplasticizer are easy to agglomerate and block. The utility model provides a polycarboxylate water reducing agent prereactor, the prereaction jar body is multilayer structure, and a plurality of holes have been seted up to the lateral wall face of the inlayer jar body, and the liquid of not caking passes through the hole in the raw materials and permeates to between the inlayer jar body and the outer jar body, and it is internal that rethread suction pump sprays to the inlayer jar, breaks up the caking.

The utility model discloses a following technical scheme realizes:

a polycarboxylate superplasticizer pre-reactor comprises a pre-reaction tank body and a stirring assembly arranged in the pre-reaction tank body; the pre-reaction tank body comprises an outer tank body and an inner tank body, and the inner tank body is rotatably connected with the top cover of the pre-reaction tank body; the side wall surface of the inner tank body is provided with a plurality of holes, and the hole diameter of each hole can only allow liquid to permeate through; the feed inlet of the pre-reaction tank body is positioned at the top of the outer tank body and close to the inner tank body.

Preferably, the outer tank is provided with a plurality of groups of injection assemblies, each injection assembly comprises an injection pipeline penetrating through the outer tank, and each injection pipeline is provided with a suction pump and an injection nozzle.

Preferably, the liquid inlet of the injection pipeline is arranged close to the bottom of the outer-layer tank body, and the liquid outlet of the injection pipeline is arranged close to the top of the outer-layer tank body; the injection nozzle is positioned at the liquid outlet of the injection pipeline and is opposite to the inner tank body.

Preferably, the stirring assembly includes a shaft rod and a plurality of sets of stirring blades disposed on a side wall surface of the shaft rod, and the shaft rod is rotatably connected to the top cover of the pre-reaction tank.

Preferably, the stirring fan blade comprises a big blade end and a small blade end, and the small blade end is detachably connected with the shaft rod.

Preferably, the pre-reaction tank body is provided with a support frame.

Preferably, the discharge hole of the pre-reaction tank body is positioned at the bottom of the outer layer tank body.

The technical scheme of the utility model following beneficial effect has:

(1) the pre-reaction tank body is of a multilayer structure, a plurality of holes are formed in the side wall surface of the inner tank body, when the inner tank body rotates, raw materials are fully reacted, liquid in the reaction process permeates into the space between the inner tank body and the outer tank body through the holes, and then flows out of a discharge hole of the pre-reaction tank body.

(2) The outer tank body is further provided with a spraying assembly, the suction pump sucks liquid flowing out of the inner tank body into the spraying pipeline, the spraying nozzle sprays the liquid in the spraying pipeline towards the inner tank body, part of the liquid is sprayed out and then hits the outer side wall surface of the inner tank body, and the other part of the liquid can be sprayed into the inner tank body from the hole and acts on agglomerated raw materials to scatter the raw materials.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic diagram showing the structure of a polycarboxylate superplasticizer pre-reactor in example 1;

fig. 2 is an exploded view of the pre-reaction tank in example 1.

Icon: 1-a pre-reaction tank body, 11-an outer layer tank body, 12-an inner layer tank body, 13-a feeding port, 14-a discharging port, 2-holes, 31-an injection pipeline, 32-a suction pump, 33-an injection nozzle, 41-a shaft lever, 42-stirring fan blades, 421-a big blade end, 422-a small blade end and 5-a supporting main frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Example 1

As shown in fig. 1 and fig. 2, the embodiment provides a polycarboxylate superplasticizer prereactor, which includes a prereaction tank 1 and a stirring assembly disposed inside the prereaction tank 1; the pre-reaction tank body 1 comprises an outer tank body 11 and an inner tank body 12, and the inner tank body 12 is rotatably connected with the top cover of the pre-reaction tank body 1; the side wall surface of the inner tank body 12 is provided with a plurality of holes 2, and the hole diameter of each hole 2 can only be penetrated by liquid; a feed inlet 13 of the pre-reaction tank body 1 is positioned at the top of the outer tank body 11 and close to the inner tank body 12, and a discharge outlet 14 of the pre-reaction tank body 1 is positioned at the bottom of the outer tank body 11; the pre-reaction tank 1 is provided with a support main frame 5. The pre-reaction tank body 1 is of a multilayer structure, a plurality of holes 2 are formed in the side wall surface of the inner tank body 12, when the inner tank body 12 rotates, raw materials are fully reacted, liquid in the reaction process permeates between the inner tank body 12 and the outer tank body 11 through the holes 2, and then flows out of a discharge hole 14 of the pre-reaction tank body 1.

In this embodiment, the outer tank 11 is configured with a plurality of sets of injection components, each injection component includes an injection pipeline 31 penetrating through the outer tank 11, and the injection pipeline 31 is configured with a suction pump 32 and an injection nozzle 33; a liquid inlet of the injection pipeline 31 is arranged close to the bottom of the outer tank body 11, and a liquid outlet of the injection pipeline 31 is arranged close to the top of the outer tank body 11; the injection nozzle 33 is located at the liquid outlet of the injection pipeline 31 and is opposite to the inner tank 12. The outer tank 11 is further provided with a spraying assembly, the suction pump 32 sucks the liquid flowing out of the inner tank 12 into the spraying pipe 31, the spraying nozzle 33 sprays the liquid in the spraying pipe 31 towards the inner tank 12, part of the liquid is sprayed and then hits the outer wall surface of the inner tank 12, and the other part of the liquid can be sprayed into the inner tank 12 from the hole 2 and acts on the agglomerated raw material, so that the raw material can be scattered.

In this embodiment, the stirring assembly includes a shaft 41 and a plurality of sets of stirring blades 42 disposed on the side wall of the shaft 41, and the shaft 41 is rotatably connected to the top cover of the pre-reaction tank 1; the stirring fan 42 includes a large blade end 421 and a small blade end 422, and the small blade end 422 is detachably connected to the shaft 41. When the stirring device is used, the stirring component is used for stirring raw materials to fully contact and react.

In this embodiment, the spray assembly is further provided with a conventional controller for controlling the suction pump 32 and the spray nozzle 33, a power supply and the like, and the controller can be a single chip microcomputer (for example, an 8051 series single chip microcomputer, an STM32 series single chip microcomputer), an FPGA programmable controller and the like; the feed inlet of the pre-reaction tank body 1 and other components which do not influence the anti-caking and anti-blocking effects can adopt the existing pre-reaction tank. Other suitable components or devices such as controllers may be selected by those skilled in the art depending on the application.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The polycarboxylate superplasticizer prereactor is characterized by comprising a prereaction tank body (1) and a stirring assembly arranged in the prereaction tank body (1);

the pre-reaction tank body (1) comprises an outer tank body (11) and an inner tank body (12), and the inner tank body (12) is rotatably connected with a top cover of the pre-reaction tank body (1); a plurality of holes (2) are formed in the side wall surface of the inner tank body (12), and the hole diameters of the holes (2) can only allow liquid to permeate; the feed inlet (13) of the pre-reaction tank body (1) is positioned at the top of the outer tank body (11) and close to the inner tank body (12).

2. Polycarboxylate water reducer prereactor according to claim 1, characterized in that the outer tank (11) is provided with a plurality of sets of injection assemblies comprising an injection pipe (31) passing through the outer tank (11), the injection pipe (31) being provided with a suction pump (32) and injection nozzles (33).

3. The polycarboxylate superplasticizer prereactor according to claim 2, characterized in that the liquid inlet of the injection pipeline (31) is arranged near the bottom of the outer tank body (11), and the liquid outlet of the injection pipeline (31) is arranged near the top of the outer tank body (11); the injection nozzle (33) is positioned at the liquid outlet of the injection pipeline (31) and is opposite to the inner tank body (12).

4. The polycarboxylate water reducing agent pre-reactor as claimed in any one of claims 1 to 3, wherein the stirring assembly comprises a shaft rod (41) and a plurality of groups of stirring blades (42) arranged on the side wall surface of the shaft rod (41), and the shaft rod (41) is rotatably connected with the top cover of the pre-reaction tank body (1).

5. The polycarboxylate water reducer prereactor according to claim 4, characterized in that the stirring fan blades (42) comprise a big blade end (421) and a small blade end (422), the small blade end (422) being detachably connected with the shaft rod (41).

6. Polycarboxylate water reducer prereactor according to claim 1, characterized in that the prereaction tank (1) is provided with a supporting frame (5).

7. The polycarboxylate water reducer prereactor according to claim 1, characterized in that the discharge port (14) of the prereaction tank (1) is located at the bottom of the outer tank (11).