CN220276990U - Water-reducing agent allotment cauldron - Google Patents

Abstract

The utility model discloses a water reducer blending kettle, which comprises a kettle body provided with a stirring paddle, wherein an air inlet pipe and an air outlet pipe are arranged at the top of the kettle body, an air duct is arranged in the kettle body and positioned at the upper part of the kettle body, the air duct surrounds the central shaft of the stirring paddle, a plurality of air holes are arranged on the air duct and are arranged at intervals along the length direction of the air duct, the air holes are distributed on the left side surface, the right side surface and the bottom surface of the air duct, an air inlet of the air duct extends out of the kettle body through the air inlet pipe, the air duct is in sealing connection with the air inlet pipe, an exhaust gas treatment box is arranged outside the kettle body, and the exhaust gas treatment box is communicated with the air outlet pipe. The foam is removed by using high-pressure jet air flow, and compared with a convex-thorn foam removing structure, the foam removing structure has good foam removing effect and strong capability.

Description

Water-reducing agent allotment cauldron

Technical Field

The utility model relates to the technical field of chemical reaction equipment, in particular to a water reducer blending kettle.

Background

The polycarboxylic acid water reducer is widely applied to projects such as highways, bridges, dams, tunnels, high-rise buildings and the like, the preparation process is that materials A and B are mixed and prepared under certain conditions, temperature control equipment is a jacketed reaction kettle, the temperature is higher in the synthesis process, small and medium-sized monomer acrylic acid can be evaporated under the action of high temperature to generate waste gas, so that a large amount of foam is generated in the reaction kettle, the situation of boiling kettle is caused, in order to remove the foam and treat the waste gas, application number 202120767579.X discloses a reaction kettle for producing the polycarboxylic acid water reducer, the problem of foam is solved by arranging an installation collar in the kettle to puncture the foam, but the foam removing capability is greatly reduced or even the foam is not completely solved by the technical scheme along with the gradual adhesion of the foam on the installation collar.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a water reducer blending kettle with strong foam removing capability.

The aim of the utility model is achieved by the following technical scheme: the utility model provides a water-reducing agent allotment cauldron, includes the cauldron body, the internal stirring rake that is provided with of cauldron, the top of the cauldron body is provided with intake pipe and outlet duct, the internal air duct that is provided with of cauldron, the air duct is located the upper portion of the cauldron body, the air duct encircles the center pin of stirring rake, be provided with a plurality of gas pockets on the air duct, the gas pocket is followed air duct length direction interval sets up, the gas pocket distributes side and bottom surface about the air duct, the air inlet of air duct passes the intake pipe extends to outside the cauldron, the air duct with sealing connection between the intake pipe, the external exhaust treatment case that is provided with of cauldron, exhaust treatment case intercommunication the outlet duct.

Further, the air duct is spiral.

Further, be provided with the rotary rod in the cauldron body, the middle part fixed connection of rotary rod the center pin of stirring rake, the rotary rod is located the below of air duct, be provided with the spike on the rotary rod, the spike is in asymmetric setting on the rotary rod.

Further, a plurality of impellers are arranged in the kettle body and positioned above the air guide pipe, the impellers are symmetrically arranged, and air of the impellers blows to the air guide pipe.

Further, the waste gas treatment box is internally provided with activated carbon.

The utility model has the following advantages: compared with a convex-thorn foam removing structure, the foam removing device has the advantages that the air duct is arranged in the kettle body to guide high-pressure jet air flow to remove foam, the problems of capability reduction and failure caused by foam adhesion are avoided, the foam removing effect is good, the capability is strong, waste gas can be discharged in time for treatment, and waste gas accumulation is avoided; the three structures of convex thorn foam removal, jet airflow blowing foam removal and impeller blowing are matched, so that the problem of a boiling kettle caused by upward movement of foam can be avoided to the greatest extent; compared with the concentric annular air duct, the spiral air duct is more convenient to process and manufacture and has lower cost.

Drawings

Fig. 1 is a schematic view of the overall structure of the present utility model.

In the figure, 1, a kettle body; 2. stirring paddles; 3. an air inlet pipe; 4. an air outlet pipe; 5. an air duct; 6. air holes; 7. an exhaust gas treatment tank; 8. an impeller; 9. a rotating rod; 10. protruding thorns.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model 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 utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in figure 1, a water reducer blending kettle is characterized in that a kettle body 1 is a jacketed reaction kettle, a driving motor is arranged at the right center of the top of the kettle body 1, the driving motor is connected with an internal stirring paddle 2 through a coupling, an air inlet pipe 3, an air outlet pipe 4 and a feeding pipe are also arranged at the top of the kettle body 1, a discharging pipe is arranged at the bottom of the kettle body 1, an air duct 5 is arranged in the kettle body 1, the air duct 5 is in a spiral shape, the radius of the air duct is gradually reduced from outside to inside and surrounds the central shaft of the stirring paddle 2, the air duct 5 is arranged at the upper part of the kettle body 1, a plurality of air holes 6 are arranged on the air duct 5, the air holes 6 are arranged at intervals along the length direction of the air duct 5, the air holes 6 are distributed on the left side surface, the right side surface and the bottom surface of the air duct 5, the air holes 6 are rubber rings with round holes with diameters of 2mm, an air inlet of the air duct 5 extends to the outside of the kettle body 1 through the air inlet pipe 3, the air duct 5 is connected with an air outlet of an air compressor outside the kettle body 1, the utility model provides a sealing connection between air duct 5 and intake pipe 3, seal connection outside the cauldron body 1, exhaust treatment case 7 intercommunication outlet duct 4, install the active carbon in the exhaust treatment case 7, the spray column is connected to the other end of exhaust treatment case 7, 4 driving motor still are installed at the top of the cauldron body 1, 4 driving motor symmetry is located cauldron body 1 top, its output shaft all passes cauldron body 1 top and extends to inside, and impeller 8 is all installed to the bottom of every output shaft, impeller 8 is located the top of air duct 5, impeller 8's wind blows air duct 5, still install rotary rod 9 in the cauldron body 1, the center pin of rotary rod 9 through bolt fixed connection stirring rake 2, rotary rod 9 is located the below of air duct 5, rotary rod 9 surface welding bur 10, the bur 10 dislocation set of the left and right sides part on rotary rod 9.

The working principle of the utility model is as follows: the mixing kettle generates a large amount of foam in the synthesis process, firstly, the lowest rotating rod is used for puncturing the foam, then the foam is blown by the air flow discharged by the air duct above, the foam is removed for the second time, finally, the air flow is blown to the air duct and the foam by the rotation of the impeller, the foam is removed for the third time, the air flow enters the reaction kettle and is discharged through the air outlet pipe, organic acid waste gas is entrained in the air flow and is adsorbed and removed through the activated carbon, the problem that the capability of the air flow is reduced after the foam is stuck by the protruding puncture can be avoided compared with the protruding puncture, the service life of the air duct is prolonged by the air flow blown by the impeller, the air flow is prevented from being stuck by the air duct, the air rising of the foam is avoided, and the three types of cooperation can maximally remove the foam.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. The utility model provides a water-reducing agent allotment cauldron, includes the cauldron body (1), be provided with stirring rake (2) in the cauldron body (1), its characterized in that: the utility model discloses a novel kettle, including kettle body (1), air duct (5) are provided with intake pipe (3) and outlet duct (4) at the top of kettle body (1), air duct (5) are located the upper portion of kettle body (1), air duct (5) are encircleed the center pin of stirring rake (2), be provided with a plurality of gas pockets (6) on air duct (5), gas pocket (6) are followed air duct (5) length direction interval sets up, gas pocket (6) are distributed in side and bottom surface about air duct (5), the air inlet of air duct (5) passes intake pipe (3) are extended to outside kettle body (1), air duct (5) with sealing connection between intake pipe (3), kettle body (1) are provided with exhaust treatment case (7) outward, exhaust treatment case (7) intercommunication outlet duct (4).

2. The water reducer blending tank of claim 1, wherein: the air duct (5) is spiral.

3. The water reducer blending tank of claim 1, wherein: be provided with rotary rod (9) in cauldron body (1), the middle part fixed connection of rotary rod (9) the center pin of stirring rake (2), rotary rod (9) are located the below of air duct (5), be provided with on rotary rod (9) and burst thorn (10), burst thorn (10) are in asymmetric setting on rotary rod (9).

4. The water reducer blending tank of claim 1, wherein: be provided with a plurality of impellers (8) in the cauldron body (1), impeller (8) are located the top of air duct (5), impeller (8) symmetry set up, the wind of impeller (8) blows to air duct (5).

5. The water reducer blending tank of claim 1, wherein: an activated carbon is arranged in the waste gas treatment box (7).