CN204973858U

CN204973858U - A reation kettle for producing polycarboxylate water reducing agent

Info

Publication number: CN204973858U
Application number: CN201520324420.5U
Authority: CN
Inventors: 徐一伦; 但维
Original assignee: SHAANXI YOUBANG NEW MATERIAL TECHNOLOGY Co Ltd
Current assignee: SHAANXI YOUBANG NEW MATERIAL TECHNOLOGY Co Ltd
Priority date: 2015-05-19
Filing date: 2015-05-19
Publication date: 2016-01-20
Anticipated expiration: 2025-05-19

Abstract

The utility model provides a reation kettle for producing polycarboxylate water reducing agent, including reation kettle, agitating unit and dropwise add pipe, inside agitating unit arranged reation kettle in, the dropwise add hole was seted up at reation kettle's top, and the dropwise add pipe passes the dropwise add hole makes the export of dropwise add pipe be located the inside bottom of reation kettle for in the raw materials that dropwise add pipe was added directly adds the material to the reation kettle inside. Add the additive raw materials to the inside of the big monomer of polyether with the mixture of water, the additive raw materials mixes the misce bene from the inside of mixture to the heterodisperse. Just, the additive raw materials can mix rapidly with the material, guarantees its effect at this preparation in -process of additive raw materials full play, does not give its abnormal chance that consumes, and the actual prescription of additive raw materials is unanimous with theoretical prescription, and synthetic polycarboxylate water reducing agent product quality is good, and is stable. Further the exit end at the dropwise add pipe sets up the non return device, and it is intraductal to prevent that the interior material of reation kettle from backward flowing into the dropwise add, has reduced the joining degree of difficulty of raw materials.

Description

For the production of the reactor of polycarboxylate water-reducer

Technical field

The utility model relates to polycarboxylate water-reducer plant-scale equipment technical field, in particular for producing the reactor of polycarboxylate water-reducer.

Background technology

Water reducer is current investigation and application the most a kind of concrete admixture, and additive has become the 5th kind of important component part in concrete except cement, sand, stone, water.Polycarboxylic acids, as water reducer of new generation, has that volume is low, function of slump protection good, concrete contraction percentage is low, molecular structure adjustability is strong, production technology is simple and to advantages such as the close friends of environment.Be acknowledged as concrete admixture developing direction from now on.

After main components such as comprising polyether macromonomer and water, initator, chain-transferring agent and acrylic acid mixes by polycarboxylate water-reducer, stirring reaction prepares.First polyether macromonomer and water are first added in reactor specifically, and then initator, chain-transferring agent and acrylic acid are added in reactor, stir.

As shown in Figure 1, comprise reactor 01, agitator 02 and drip pipe 03, it is inner that described agitator 02 is placed in reactor 01 to the structure of existing reactor, and the top of described reactor 01 is offered and dripped hole, and the outlet of described dropping pipe 03 is connected in described dropping hole; The number of described dropping pipe 03 is not limit, and how much can arrange multiple dropping pipe 03 according to the kind adding raw material, such as, arranges 2 and drips pipe 03.Therefore, when adopting existing reactor to prepare polycarboxylate water-reducer, all by initator, chain-transferring agent and acrylic acid (or other active minor comonomers) etc. add to the surface of the mixture of polyether macromonomer and water, be easy to the situation occurring that material stirring is uneven, and then cause initator, chain-transferring agent and acrylic acid etc. can not mix rapidly with material in still, cause initator, the abnormal consumption of the raw material such as chain-transferring agent and the acrylic acid (volatilization of its active ingredient, particularly acrylic acid autohemagglutination), thus cause actual formula to fill a prescription variant with theory, product quality is poor or unstable.

Utility model content

The purpose of this utility model is to provide the reactor for the production of polycarboxylate water-reducer, when solution adopts existing reactor to prepare polycarboxylate water-reducer, initator, chain-transferring agent and acrylic acid etc. can not mix rapidly with material in still, actual formula is caused to fill a prescription variant with theory, the technical problem that product quality is poor or unstable.

In order to achieve the above object, the utility model provides following technical scheme:

For the production of the reactor of polycarboxylate water-reducer, comprise reactor, agitating device and dropping pipe, described agitating device is placed in reactor inside, the top of described reactor is offered and is dripped hole, described dropping pipe makes the outlet of described dropping pipe be positioned at the bottom of described reactor inside through described dropping hole, and the raw material added through dripping pipe is directly added in the material of reactor inside.

Further, the number of described dropping pipe is multiple.Add to facilitate plurality of raw materials simultaneously.

Further, the number of described dropping pipe is two.Be divided into two classes to add the raw material producing polycarboxylate water-reducer, can ensure to stir, the procedure of reactor can be reduced again.

Further, the outlet of described dropping pipe is positioned at horizontal position identical with the stirring vane of described agitating device.

Further, the port of export of described dropping pipe arranges check device, and described check device can prevent the material in reactor from oppositely flowing into and drip in pipe while ensureing that the raw material added through dripping pipe adds in reactor.

Particularly, described check device adopts check valve.

Reactor for the production of polycarboxylate water-reducer of the present utility model, extends to reactor inside by the port of export dripping pipe, ensures that the raw material added through dripping pipe directly adds in the material of reactor inside.The inside of the mixture of polyether macromonomer and water is added to by additive raw materials such as initator, chain-transferring agent and acrylic acid (or other active minor comonomers), then under the effect of agitating device, additive raw material outwards disperses mixing from the inside of mixture, mix.And, additive raw material can mix rapidly with the mixture material of water with polyether macromonomer in reactor, ensure that additive raw material gives full play to its effect in this preparation process, do not give the chance of its abnormal consumption, especially the autohemagglutination behavior of acrylic acid (or other active minor comonomers) this kind of additive can be prevented, and then ensure the actual formula of the additive raw material such as initator, chain-transferring agent and acrylic acid (or other active minor comonomers) with theoretical fill a prescription consistent, the polycarboxylate water-reducer good product quality of synthesis, stable.

Arranging check device (check valve) at the port of export dripping pipe further, prevent the material in reactor from oppositely flowing into and drip in pipe, what reduce raw material adds difficulty.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is the internal structure schematic diagram of existing reactor;

Fig. 2 is the internal structure schematic diagram of the utility model for the production of the reactor of polycarboxylate water-reducer;

Fig. 3 is the internal structure schematic diagram of the utility model for the production of the reactor of polycarboxylate water-reducer.

Detailed description of the invention

Below in conjunction with accompanying drawing of the present utility model, be clearly and completely described the technical solution of the utility model, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.

According to Fig. 2 and Fig. 3, the reactor for the production of polycarboxylate water-reducer of embodiment of the present utility model is described, comprise reactor 1, agitating device 2 and 2 dropping pipes 3, it is inner that described agitating device 2 is placed in reactor 1, the top of described reactor 1 is offered and is dripped hole 11, described dropping pipe 3 makes the outlet 31 of described dropping pipe 3 be positioned at the bottom of described reactor 1 inside through described dropping hole 11, and the raw material added through dripping pipe 3 is directly added in the material of reactor 1 inside.

The number that arranges of described dropping pipe 3 for multiple, can not limit, and sets according to the raw material type needed in actual production.Such as, embodiments of the invention drip pipes 3 (be designated as A pipe respectively and B manages) for the production of being provided with 2 in the reactor of polycarboxylate water-reducer, initator, chain-transferring agent and acrylic acid (or other active minor comonomers) are divided into two groups to add in reactor 1, wherein initator and chain-transferring agent add from A pipe as one group, and acrylic acid (or other active minor comonomers) adds from B pipe.

Further in order to ensure mixing effect, the outlet 31 dripping pipe 3 is arranged on the identical horizontal position be positioned at the stirring vane 21 of described agitating device 2.Make through drip the raw material that adds of pipe 3 enter the internal batch of reactor after under drive namely at stirring vane, be stirred rapidly and be dispersed in material, mix.

Because the outlet 31 dripping pipe 3 is open, when the outlet 31 dripping pipe 3 stretches to internal batch, the material in reactor 1 can flow into and drip in pipe 3 to maintaining an equal level mutually with the material in reactor 1.Certainly, add fashionable at additive raw materials such as initator, chain-transferring agent and acrylic acid (or other active minor comonomers) in reactor through dripping pipe 3, necessarily there is certain pressure, the material dripped in pipe 3 can be extruded and drip pipe 3, and additive raw material be added in the material of reactor inside.But this virtually adds and adds difficulty, therefore, the technical scheme of the utility model optimization is, the outlet 31 end connection of described dropping pipe 3 arranges check device 4, described check device can prevent the material in reactor from oppositely flowing into and drip in pipe while ensureing that the raw material added through dripping pipe adds in reactor.Particularly, check valve 4 is adopted.

The above; be only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should described be as the criterion with the protection domain of claim.

Claims

1. for the production of the reactor of polycarboxylate water-reducer, it is characterized in that: comprise reactor, agitating device and dropping pipe, described agitating device is placed in reactor inside, the top of described reactor is offered and is dripped hole, described dropping pipe makes the outlet of described dropping pipe be positioned at the bottom of described reactor inside through described dropping hole, makes the raw material added through dripping pipe directly add in the material of reactor inside; The outlet of described dropping pipe is positioned at horizontal position identical with the stirring vane of described agitating device.

2. the reactor for the production of polycarboxylate water-reducer according to claim 1, is characterized in that: the number of described dropping pipe is multiple.

3. the reactor for the production of polycarboxylate water-reducer according to claim 2, is characterized in that: the number of described dropping pipe is two.

4. according to the reactor for the production of polycarboxylate water-reducer one of claims 1 to 3 Suo Shu, it is characterized in that: the port of export of described dropping pipe arranges check device, described check device can prevent the material in reactor from oppositely flowing into and drip in pipe while ensureing that the raw material added through dripping pipe adds in reactor.

5. the reactor for the production of polycarboxylate water-reducer according to claim 4, is characterized in that: described check device adopts check valve.