Background
With the steady development of epoxy concrete industry in China, particularly the emergence of relevant national policies, the concrete industry in China is confronted with good development opportunities. At present, the water reducing agent for concrete in China is complete in variety, the performance is continuously improved, the yield is at the first of the world, the annual growth rate is over 20 percent, and the application of the polycarboxylic acid water reducing agent in the concrete meets the requirements of the high-speed growth of foundations such as railways, expressways, airports, coal mines, municipal works, nuclear power stations, dams, bridges and the like and real estate in China in recent years.
At present, polycarboxylate water reducing agent's mother liquor synthetic process is dropwise add reaction process, can produce a large amount of heats because of polymerization in the raw materials dropwise add in-process for the reaction is too violent, is unfavorable for the stability of reaction to go on, simultaneously, the raw materials drops into the in-process and must have effectual homogeneous mixing, leads to the reactant can not carry out abundant contact, is unfavorable for the steady efficient of reaction to go on.
Therefore, the production device for producing the polycarboxylate superplasticizer from the polyether has the advantages of rapid replacement reaction heat and uniform and homogeneous mixing of raw materials, and further solves the problems in the background art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a novel production device for producing a polycarboxylate superplasticizer by polyether.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a novel production of polyether production polycarboxylate water reducing agent device, includes the cauldron body and heat exchanger, the top surface fastening mounting of the cauldron body has the motor, and the output of motor runs through the cauldron body coupling and has the stirring rake, cauldron body upper portion one side intercommunication has first inlet pipe, and cauldron body upper portion opposite side intercommunication has the second inlet pipe, the end all is connected with in opposite directions of first inlet pipe and second inlet pipe and sprays the board, and sprays the surface of board and seted up the through-hole, the skin weld of stirring rake has mixed dish, and the bottom surface welding of mixed dish has the fretwork net, the bottom surface intercommunication of the cauldron body has the discharging pipe, and the one end flange joint of discharging pipe has the heat exchanger to the surface mounting of discharging pipe has the circulating pump, the surface intercommunication of heat exchanger has the back flow, and the one end of back flow runs through the cauldron body coupling and has the shower head.
As a further description of the above technical solution: the mixing disc is internally welded with a sunken ring with a horn-shaped structure, and the hollow net on the bottom surface of the mixing disc is of a fan-shaped structure.
As a further description of the above technical solution: the spraying plates are provided with two spraying plates which are of hollow arc structures, and a plurality of through holes are uniformly formed in the opposite surfaces of the two spraying plates.
As a further description of the above technical solution: the discharging pipe is connected with a flange at a liquid inlet port of the heat exchanger, and the return pipe is connected with a flange at a liquid outlet port of the heat exchanger.
As a further description of the above technical solution: the surface of the kettle body is provided with a control panel, and the output end of the control panel is respectively electrically connected with the motor and the circulating pump.
As a further description of the above technical solution: the surface of the discharging pipe is connected with a discharging pipe through a tee joint, and valves are arranged on the surfaces of the discharging pipe and the discharging pipe.
The utility model discloses following beneficial effect has:
in the utility model, the raw materials are respectively poured into the hollow arc spraying plates which are correspondingly arranged through the first inlet pipe and the second inlet pipe, the raw materials are promoted to be discharged from the through holes which are uniformly arranged on the opposite surfaces of the two spraying plates, so that the two raw materials can be sprayed out in a convection mode, and the bottom material in the kettle body is promoted to flow back to the interior of the kettle body through the spraying head at the end part of the backflow pipe after passing through the discharging pipe, the heat exchanger and the backflow pipe sequentially by opening the circulating pump, so that the raw materials in a spraying state and the bottom material are uniformly mixed in the mixing disc, the hollow net arranged on the bottom surface of the mixing disc is enabled to integrally flow into the bottom of the kettle body, the full contact of reactants is facilitated, the heat generated in the polymerization reaction process is also conveniently replaced, the stability and the high efficiency in the production process of the polycarboxylic acid water reducing agent are improved, the production quality of products is ensured, and simultaneously, the hollow ring with a horn-shaped structure is welded in the mixing disc, the raw materials and the reactants led in by the first feeding pipe, the second feeding pipe and the return pipe are enabled to slide into the mixing disc from the slope surface of the concave ring, and the situation that the mixing effect is influenced because the raw materials and the reactants are separated from the mixing disc after splashing is avoided to a certain extent.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
According to the utility model discloses an embodiment provides a novel production of polyether production polycarboxylate water reducing agent device.
Referring now to the drawings and the detailed description, as shown in fig. 1-3, a device for producing a novel polycarboxylate water reducing agent from polyether according to an embodiment of the present invention comprises a kettle 1 and a heat exchanger 9, wherein a motor 4 is tightly mounted on the top surface of the kettle 1, an output end of the motor 4 penetrates through the kettle 1 and is connected with a stirring paddle 8, one side of the upper portion of the kettle 1 is communicated with a first feeding pipe 2, the other side of the upper portion of the kettle 1 is communicated with a second feeding pipe 6, opposite ends of the first feeding pipe 2 and the second feeding pipe 6 are both connected with a spraying plate 3, a through hole 14 is formed on the surface of the spraying plate 3, a mixing disc 7 is welded on the surface of the stirring paddle 8, a hollow net 12 is welded on the bottom surface of the mixing disc 7, a discharging pipe 10 is communicated with the bottom surface of the kettle 1, one end of the discharging pipe 10 is connected with the heat exchanger 9 by a flange, and a circulating pump 11 is mounted on the surface of the discharging pipe 10, the surface of the heat exchanger 9 is communicated with a return pipe 5, one end of the return pipe 5 penetrates through the kettle body 1 and is connected with a spray header, raw materials are respectively poured into the correspondingly arranged hollow arc-shaped spray plates 3 through the first feeding pipe 2 and the second feeding pipe 6, so that the raw materials are enabled to be discharged from through holes 14 uniformly formed in the opposite surfaces of the two spray plates 3, the two raw materials can be sprayed out in a convection mode, and a circulating pump 11 is started, so that a bottom material (a reactant positioned at the bottom of the kettle body 1) in the kettle body 1 (the reactant positioned at the bottom of the kettle body 1) sequentially passes through the discharge pipe 10, the heat exchanger 9 and the return pipe 5 and then flows back to the interior of the kettle body 1 through the spray header at the end part of the return pipe 5, so that the raw materials and the bottom material in a spraying state are uniformly mixed in the mixing disc 7 until the raw materials and the bottom material flow into the bottom of the kettle body 1 through a fan-shaped hollow net 12 arranged at the bottom surface of the mixing disc 7, which is beneficial to the full contact of the reactants, the heat generated in the polymerization reaction process is conveniently replaced, and the stability and the high efficiency in the production process of the polycarboxylic acid water reducing agent are improved;
in one embodiment, a horn-shaped recessed ring 13 is welded in the mixing disc 7, the hollow net 12 on the bottom surface of the mixing disc 7 is of a fan-shaped structure, and the recessed ring 13 is welded in the mixing disc 7, so that raw materials and reactants led in by the first feeding pipe 2, the second feeding pipe 6 and the return pipe 5 slide into the mixing disc 7 from the slope surface of the recessed ring 13, the situation that the mixing effect is affected due to the fact that the raw materials and the reactants are separated from the mixing disc 7 after splashing is avoided to a certain extent, the reactants can be contacted more fully, the molecular distribution is uniform and stable, and the product quality is improved.
In one embodiment, two spraying plates 3 are provided, and the two spraying plates 3 are both hollow arc structures, and a plurality of through holes 14 are uniformly formed in the opposite surfaces of the two spraying plates 3, so that convection spraying is facilitated through the two hollow arc spraying plates 3, and raw materials are contacted more sufficiently.
In one embodiment, the discharge pipe 10 is connected with a flange at a liquid inlet of the heat exchanger 9, the return pipe 5 is connected with a flange at a liquid outlet of the heat exchanger 9, and heat can be replaced in the circulation process of the bed charge through the heat exchanger 9, so that the reaction stability of the kettle body 1 is kept.
In one embodiment, a control panel is arranged on the outer surface of the kettle body 1, the output end of the control panel is respectively electrically connected with the motor 4 and the circulating pump 11, the control panel is used for conveniently controlling the opening and closing of the motor 4 and the circulating pump 11, wherein the control panel control circuit can be realized through simple programming of technicians in the field, the control panel control circuit belongs to the common knowledge in the field, the control panel control circuit is only used and is not transformed, so that the detailed description of a control mode and the circuit connection is omitted, the motor 4 is opened through the control panel, the output end of the motor drives the stirring paddle to rotate, reactants in the kettle body 1 can be fully stirred, and the problem that the pipeline is blocked by precipitates in a reaction solution is reduced while the reactant mixing and reaction effects are guaranteed.
In one embodiment, the surface of the discharging pipe 10 is connected with a discharging pipe through a tee joint, valves are installed on the surfaces of the discharging pipe 10 and the discharging pipe, and the valves are arranged on the surface of the discharging pipe 10 in a closed mode, and then the valves on the discharging pipe are opened (the discharging pipe is communicated with the discharging pipe 10 through the tee joint), so that products are led out through the communicated discharging pipe, and discharging of the kettle body 1 is facilitated.
The working principle is as follows:
when the device is used, the kettle body 1 is moved to a proper position, a power supply is switched on, raw materials are respectively filled into the correspondingly arranged hollow arc spraying plates 3 through the first feeding pipe 2 and the second feeding pipe 6, the raw materials are promoted to be uniformly discharged from the through holes 14 formed in the opposite surfaces of the two spraying plates 3, so that the two raw materials can be sprayed out in a convection mode, the circulating pump 11 is started, a bottom material (a reactant positioned at the bottom of the kettle body 1) in the kettle body 1 (the reactant positioned at the bottom of the kettle body 1) is promoted to sequentially pass through the discharging pipe 10, the heat exchanger 9 and the return pipe 5 and then flows back to the interior of the kettle body 1 through the spray head at the end part of the return pipe 5, so that the raw materials in a spraying state and the bottom material in the mixing disc 7 are uniformly mixed until the fan-shaped hollow net 12 arranged at the bottom surface of the mixing disc 7 is uniformly mixed and flows into the bottom of the kettle body 1, the full contact of the reactants is facilitated, and the heat generated in the polymerization reaction process is conveniently replaced, promote stationarity and high efficiency in the polycarboxylate water reducing agent production process, simultaneously, through the sunken ring 13 that the welding has horn type structure in hybrid disk 7, make first inlet pipe 2, the leading-in raw materials of second inlet pipe 6 and back flow 5 and reactant are by sunken ring 13 domatic sliding-in hybrid disk 7, avoid raw materials and reactant to splash back break away from hybrid disk 7 and influence the condition of mixing the effect to a certain extent, when the reaction is accomplished, through closing the valve that discharging pipe 10 surfaces set up, then open the valve on the row material pipe (arrange the material pipe and pass through tee bend and discharging pipe 10 intercommunication), make the product arrange the material pipe by the intercommunication and derive, make things convenient for cauldron body 1's row material pipe.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.