Concrete water reducer production raw material adding device
By introducing a heating mechanism and a mixing drum design into the concrete water-reducing agent production device, the problems of uneven heating and low efficiency were solved, achieving a rapid and uniform heating effect and improving production efficiency.
Patent Information
- Application Number
- CN202520136541.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-01-21
AI Technical Summary
Existing concrete water-reducing agent production equipment suffers from slow and uneven heating efficiency.
The heating mechanism employs a design that combines a heat-conducting oil chamber and a stirring drum to achieve uniform heating within the heating tank. This, combined with external heating via electric heating wires, enhances heating efficiency.
This technology enables rapid and uniform heating of industrial naphthalene, shortening heating time and improving production efficiency.
Smart Images

Figure CN223915392U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to water reducing agent addition technical field, concretely is a kind of concrete water reducing agent production raw material adding device. BACKGROUND
[0002] Water reducing agent is a kind of concrete admixture that can reduce the amount of mixing water under the condition of maintaining the slump of concrete basically unchanged, mainly with industrial naphthalene as main raw material, adding naphthalene, formaldehyde sulfate and other raw materials in reaction kettle, water-reducing agent is prepared after a series of chemical reactions such as hydrolysis reaction, condensation reaction, neutralization reaction, and industrial naphthalene is a colorless lustrous flaky crystal, easy to sublimate, can volatilize with water vapor, industrial naphthalene needs to be heated before being made into water-reducing agent, when naphthalene temperature rises to about 80 degrees Celsius, it will become liquid, and the naphthalene molecules in this molten state will move, making it flow better.
[0003] The Chinese patent document with the application number CN202323518004.2 in the related art proposes a concrete water reducing agent production raw material adding device, which is heated by heating wire through heating tank, naphthalene will become liquid only when the temperature rises to about degrees Celsius, so the temperature meter is set to feedback the temperature in the tank body in real time, which is more conducive to workers to master the heating condition of the tank body; the feeding pipe is installed to the top inside of the heating tank and is bent downward, the industrial naphthalene is blown out from the pipe opening of the feeding pipe into the heating tank by the air cooler, and the pipe opening is bent to face the center position of the tank body, so that the naphthalene powder can be uniformly pushed to the outside by the stirring rod when stirring, so that the naphthalene powder in the tank does not accumulate high on one side and low on the other side, avoiding uneven heating when heating.
[0004] For the above-mentioned related technology, the inventor believes that there are the following defects: the device heats industrial naphthalene from the outside to the inside of the tank body through heating wire, but the heating efficiency is slow and the heating is uneven, therefore, a concrete water reducing agent production raw material adding device is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] The main purpose of the utility model is to provide a concrete water reducing agent production raw material adding device, which solves the problems raised in the above background technology.
[0006] To achieve the above purpose, the utility model provides the following technical scheme: a concrete water reducing agent production raw material adding device, including heating tank, the feeding pipe is arranged on the heating tank, the driving assembly is arranged on the heating tank, the auxiliary heating assembly is arranged outside the heating tank, the heating mechanism is arranged in the heating tank, the discharge pipe is arranged at the lower end of the heating tank, the stirring barrel that can rotate is vertically arranged in the heating tank, a plurality of stirring rods are fixed outside the stirring barrel;
[0007] The heat supply mechanism comprises a stirring cylinder and an inner cylinder, the stirring cylinder is concentrically sleeved with the inner cylinder, and a heat conduction oil cavity with an annular structure is formed between the stirring cylinder and the inner cylinder;
[0008] A circle of oil guide baffles is fixed on the circumferential outer wall of the inner cylinder, the outer end of the oil guide baffles is fixed with the inner wall of the stirring cylinder, and two stirring shafts are symmetrically fixed at the upper and lower ends of the stirring cylinder.
[0009] Further, the oil guide baffles are continuously curved in a wave shape, and the circle of oil guide baffles divides the heat conduction oil cavity with the annular structure into a circle of heat conduction oil channels in a meandering and continuous curve.
[0010] Further, a rotating joint is rotatably connected to the leading end of each of the two stirring shafts, the two rotating joints are arranged in an up-down distribution, one end of the upper rotating joint is fixed with an oil inlet pipe, and one end of the lower rotating joint is fixed with an oil outlet pipe.
[0011] Further, a circle of oil delivery pipes is fixed around the trailing end of each of the two stirring shafts, and an annular oil distribution ring is fixed around the outer circle of the two circles of oil delivery pipes.
[0012] Further, the oil delivery pipes and the annular oil distribution rings are through-penetrating, and two cover plates are symmetrically fixed at the upper and lower ends of the stirring cylinder.
[0013] Further, an oil outlet hole is formed in the outer side of the annular oil distribution ring, and two annular oil distribution cavities are formed between the upper and lower end portions of the stirring cylinder and the two annular oil distribution rings.
[0014] Further, the driving assembly comprises a motor and a rotating wheel, and the output end of the motor is fixed with a rotating wheel on each of the stirring shafts.
[0015] Compared with the prior art, the technical scheme has the following beneficial effects:
[0016] The concrete water reducing agent production raw material adding device can uniformly heat the heating tank from the inside to the outside through the heat supply mechanism when the industrial naphthalene in the heating tank needs to be heated, and the heating time of the industrial naphthalene is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a three-dimensional structure schematic view of the utility model;
[0018] Figure 2 is a three-dimensional structure schematic view of the utility modelFigure 1 Enlarged view at A;
[0019] Figure 3 Structure schematic view of the stirring shaft and the cover plate from top view of the utility model.
[0020] In the figure: 1 heating tank, 2 feeding pipe, 3 discharge pipe, 4 auxiliary heating assembly, 5 driving assembly, 501 belt, 502 rotating wheel, 6 heat supply mechanism, 601 stirring shaft, 602 rotary joint, 603 oil inlet pipe, 604 cover plate, 605 stirring cylinder, 606 annular oil distribution ring, 607 oil guide baffle, 608 oil delivery pipe, 609 oil outlet hole, 610 stirring rod, 611 oil outlet pipe. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Please refer to Figures 1-3 The concrete water reducing agent production raw material adding device in the embodiment comprises a heating tank 1, a feeding pipe 2 is arranged on the heating tank 1, a driving assembly 5 is arranged on the heating tank 1, an auxiliary heating assembly 4 is arranged outside the heating tank 1, the auxiliary heating assembly 4 comprises an electric heating wire, the shell of the heating tank 1 is a double-layer structure, heating wires are evenly arranged in the middle cavity, the industrial naphthalene in the tank body can be heated after the heating wires are electrified, a heat supply mechanism 6 is arranged in the heating tank 1, a discharge pipe 3 is arranged at the lower end of the heating tank 1, a rotatable stirring cylinder 605 is vertically arranged in the heating tank 1, and a plurality of stirring rods 610 are fixed outside the stirring cylinder 605.
[0023] The heat supply mechanism 6 comprises the stirring cylinder 605 and an inner cylinder 612, the stirring cylinder 605 and the inner cylinder 612 are concentrically and sleevedly connected, and a heat-conducting oil cavity in an annular structure is formed between the stirring cylinder 605 and the inner cylinder 612;
[0024] A circle of oil guide baffles 607 is fixed around the circumferential outer wall of the inner cylinder 612, the outer side end of the oil guide baffles 607 is fixed together with the inner wall of the stirring cylinder 605, two stirring shafts 601 are symmetrically fixed at the upper and lower ends of the stirring cylinder 605, the stirring shaft 601 is hollow, a through hole for rotationally connecting the stirring shaft 601 is formed in the heating tank 1, and the length of the circle of oil guide baffles 607 is equal to the length of the inner cylinder 612.
[0025] The oil delivery pipe 608 is through the annular oil distribution ring 606, and two cover plates 604 are symmetrically fixed to the upper and lower ends of the stirring cylinder 605. The inner rings of the two cover plates 604 are welded and fixed with the two annular oil distribution rings 606.
[0026] The outer side of the annular oil distribution ring 606 is provided with an oil outlet hole 609. The upper and lower ends of the stirring cylinder 605 are spaced apart from the two annular oil distribution rings 606 to form two annular oil distribution cavities. The upper and lower openings of the heat conducting oil channel are communicated with the two annular oil distribution cavities. The upper annular oil distribution cavity is used for distributing the unused heat conducting oil in the heat conducting oil channel, and the lower annular oil distribution cavity is used for gathering the used heat conducting oil.
[0027] The device is used for the heat conducting oil to enter the heat conducting oil cavity through the upper rotating joint 602, the stirring shaft 601 and the oil delivery pipe 608, and then to be discharged in turn through the lower oil delivery pipe 608, the stirring shaft 601 and the rotating joint 602. In this process, the heat in the heat conducting oil is transmitted to the stirring cylinder 605 through the heat conducting oil cavity, and the stirring cylinder 605 can heat the industrial naphthalene in the heating tank 1.
[0028] The oil guide baffle 607 is in a continuous curved structure, and a circle of the oil guide baffle 607 divides the annular heat conducting oil cavity into a circle of meandering and continuous curved heat conducting oil channels. The length of the continuous curved heat conducting oil channel is longer than that of the straight-through heat conducting oil channel, which can prolong the flow time of the heat conducting oil in the heat conducting oil cavity.
[0029] Meanwhile, the first end of each of the two stirring shafts 601 is rotatably connected with a rotating joint 602. The two rotating joints 602 are arranged in an upper and lower distribution manner. One end of the upper rotating joint 602 is fixed with an oil inlet pipe 603, and one end of the lower rotating joint 602 is fixed with an oil outlet pipe 611. The oil inlet pipe 603 and the oil outlet pipe 611 are respectively connected with an external heat source circulating supply device for inputting and discharging the heat conducting oil.
[0030] In addition, the tail end of each of the two stirring shafts 601 is surrounded and fixed with a circle of oil delivery pipe 608. The outer ring of each of the two circles of oil delivery pipe 608 is fixedly sleeved with an annular oil distribution ring 606. The upper circle of oil delivery pipe 608 is used for distributing and conveying the heat conducting oil in the upper stirring shaft 601 to the upper annular oil distribution cavity, and the lower circle of oil delivery pipe 608 is used for distributing and discharging the heat conducting oil in the lower annular oil distribution cavity to the lower stirring shaft 601.
[0031] Please refer to Figure 1 The driving assembly 5 in the embodiment includes a motor 503 and a rotating wheel 502. The output end of the motor 503 is fixed with the rotating wheel 502 on the stirring shaft 601. The two rotating wheels 502 are transmission-connected with a belt 501.
[0032] The device drives the motor 503, the output end of the motor 503 drives the rotating wheel 502 on the upper part to rotate, and then the two rotating wheels 502 are driven by the belt 501, so that the stirring shaft 601 rotates, and then drives the stirring cylinder 605 to rotate, and then the stirring rod 610 is driven by the stirring cylinder 605 to uniformly stir the raw materials.
[0033] The working principle of the above embodiment is as follows:
[0034] When it is necessary to heat the industrial naphthalene in the heating tank 1, the heat conducting oil enters the heat conducting oil cavity through the upper rotating joint 602, the stirring shaft 601 and the oil conveying pipe 608, and then is discharged in turn through the lower oil conveying pipe 608, the stirring shaft 601 and the rotating joint 602. In this process, the heat in the heat conducting oil is transmitted to the stirring cylinder 605 through the heat conducting oil cavity, and the stirring cylinder 605 can heat the industrial naphthalene in the heating tank 1, and then the oil inlet pipe 603 and the oil outlet pipe 611 are connected with the external heat source circulating supply device respectively for inputting and discharging the heat conducting oil, completing the circulation, and cooperating with the heating wire to heat the heating tank 1 from the outside to the inside.
[0035] At the same time, the motor 503 is started, the output end of the motor 503 drives the rotating wheel 502 on the upper part to rotate, and then the two rotating wheels 502 are driven by the belt 501, so that the stirring shaft 601 rotates, and then drives the stirring cylinder 605 to rotate, and then the stirring rod 610 is driven by the stirring cylinder 605 to uniformly stir the raw materials, so as to uniformly heat the industrial naphthalene.
[0036] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of additional identical elements in the process, method, article or equipment including the element.
[0037] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A concrete water reducer production raw material adding device, comprising a heating tank (1), characterized in that: The heating tank (1) is provided with a feeding pipe (2), a driving assembly (5) is arranged on the heating tank (1), an auxiliary heating assembly (4) is arranged outside the heating tank (1), a heating mechanism (6) is arranged in the heating tank (1), a discharging pipe (3) is arranged at the lower end of the heating tank (1), and a rotatable stirring cylinder (605) is vertically arranged in the heating tank (1); a plurality of stirring rods (610) are fixed outside the stirring cylinder (605); The heating mechanism (6) comprises the stirring cylinder (605) and an inner cylinder (612), the stirring cylinder (605) is concentrically sleeved with the inner cylinder (612), and an annular heat-conducting oil cavity is formed between the stirring cylinder (605) and the inner cylinder (612); A circle of oil guide baffles (607) are fixed on the circumferential outer wall of the inner cylinder (612), the outer side end of the oil guide baffles (607) is fixed with the inner wall of the stirring cylinder (605), and two stirring shafts (601) are symmetrically fixed at the upper and lower ends of the stirring cylinder (605); the stirring shaft (601) is hollow, and the length of the circle of oil guide baffles (607) is equal to the length of the inner cylinder (612).
2. The concrete water reducer production raw material adding device according to claim 1, characterized in that: The oil guide baffles (607) are in a wave-shaped continuous bending structure, and the circle of oil guide baffles (607) divides the annular heat-conducting oil cavity into a circle of heat-conducting oil channels in a meandering and continuous bending structure.
3. The concrete water reducer production raw material adding device according to claim 1, characterized in that: The first ends of the two stirring shafts (601) are rotatably connected with a rotary joint (602), the two rotary joints (602) are arranged in an up-down distribution, one end of the upper rotary joint (602) is fixed with an oil inlet pipe (603), and one end of the lower rotary joint (602) is fixed with an oil outlet pipe (611); the oil inlet pipe (603) and the oil outlet pipe (611) are connected with an external heat source circulating supply device respectively for inputting and discharging heat-conducting oil.
4. The concrete water reducer production raw material adding device according to claim 3, characterized in that: The tail ends of the two stirring shafts (601) are each surrounded by a circle of oil delivery pipes (608), and the outer circles of the two circles of oil delivery pipes (608) are each fixedly sleeved with a ring-shaped oil distribution ring (606).
5. The concrete water reducer production raw material adding device according to claim 4, characterized in that: The oil delivery pipes (608) and the ring-shaped oil distribution rings (606) are in communication, and the upper and lower ends of the stirring cylinder (605) are symmetrically fixed with two cover plates (604); the inner circles of the two cover plates (604) are welded with the two ring-shaped oil distribution rings (606).
6. The concrete water reducer production raw material adding device according to claim 5, characterized in that: The outer side of the ring-shaped oil distribution ring (606) is provided with an oil outlet hole (609), and the upper and lower end portions of the stirring cylinder (605) and the two ring-shaped oil distribution rings (606) are spaced apart to form two annular oil distribution cavities; the upper and lower openings of the heat-conducting oil channels are in communication with the two annular oil distribution cavities.
7. The concrete water reducer production raw material adding device according to claim 1, characterized in that: The driving assembly (5) comprises a motor (503) and a rotating wheel (502), and the output end of the motor (503) is fixed with the rotating wheel (502) on the stirring shaft (601); the two rotating wheels (502) are in transmission with a belt (501).
Citation Information
Patent Citations
Concrete water reducer production raw material adding device
CN221816055U