Refractory brick raw material mixer

By adopting the design of dovetail grooves, dovetail blocks, and wear-resistant liners in refractory brick production, combined with the mixing structure of variable pitch spiral blades and curved plow blades, the problems of uneven mixing and equipment wear in refractory brick production have been solved, achieving efficient mixing and strong wear resistance.

CN224040588UActive Publication Date: 2026-03-27ZHENGZHOU YUZHOU REFRACTORY MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In current refractory brick production, the simple mixing structure leads to low mixing efficiency of high-density, high-viscosity raw materials, which easily forms dead zones and agglomerates. In addition, the inner wall of the cylinder is easily worn, resulting in short equipment life and high risk of pollution.

Method used

The wear-resistant liner with dovetail groove and dovetail block structure, combined with the mixing structure of variable pitch spiral blades and curved plow blades, and the detachable wear-resistant liner design, avoids wear on the barrel wall and improves the uniformity of mixing through staggered blade distribution.

Benefits of technology

It improves the quality of mixing, extends the life of equipment, reduces the frequency of maintenance, and increases mixing efficiency and the wear resistance of equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a refractory brick raw material mixer which comprises a stirring barrel and supporting legs, a plurality of groups of dovetail grooves are uniformly formed in the inner surface of the stirring barrel in a surrounding manner, dovetail blocks are inserted into the dovetail grooves, one ends of the dovetail blocks are fixedly provided with wear-resistant lining plates, and the wear-resistant lining plates are attached to the inner wall of the stirring barrel. By adopting the wear-resistant lining plates, during operation, a plurality of groups of wear-resistant lining plates are inserted into the stirring barrel, the barrel wall is prevented from being in direct contact with raw materials through the wear-resistant lining plates, the barrel wall is further prevented from being abraded by hard raw materials (such as corundum and silicon carbide), the service life of the barrel wall is prolonged, and the wear-resistant lining plates are detachably and modularly arranged, so that the wear-resistant lining plates are convenient to assemble and disassemble. The wear-resistant lining plates are arranged at the corresponding positions, so that only the wear-resistant lining plates at the corresponding positions need to be taken out and replaced when wear occurs, the whole barrel body does not need to be treated, the overall maintenance efficiency can be effectively improved, better use is facilitated, and the beneficial effects of being convenient to maintain and high in wear resistance are achieved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to refractory brick production technical field, specifically, relate to a kind of refractory brick raw material mixing machine. BACKGROUND

[0002] Refractory brick is short for fire brick, and is made of refractory clay or other refractory raw materials, which can be used as high-temperature building materials and structural materials for building kilns and various thermal equipment, and can withstand various physical and chemical changes and mechanical actions at high temperatures. Therefore, a mixing device is needed during the production of refractory bricks.

[0003] In the prior art, the application number CN202021380969.3 discloses a raw material mixing machine for producing refractory bricks, which includes a base and a mixing cylinder arranged on the base. A stirring mechanism is arranged inside the mixing cylinder. A discharging mechanism is arranged at the lower end of the mixing cylinder. A filling mechanism is arranged at the upper part of the mixing cylinder. A cleaning mechanism is arranged inside the mixing cylinder. The cleaning mechanism includes a through hole arranged at the upper end of the mixing cylinder. A connecting rod is inserted into the through hole. A cross brace is arranged at the lower end of the connecting rod. An annular pressure pipeline is arranged on the cross brace. The pressure pipeline is in communication with a water supply mechanism. Water outlets are arranged on both sides of the pressure pipeline. Brush hairs are arranged on the outside of the pressure pipeline. The brush hairs are attached to the inner wall of the mixing cylinder. A support mechanism is arranged above the mixing cylinder to drive the connecting rod to lift.

[0004] However, the above-mentioned patent still has some disadvantages in use. The stirring structure is relatively simple. The traditional straight plate type or paddle type stirring structure has low mixing efficiency for high-density and high-viscosity refractory raw materials such as alumina, quartz sand and clay. It is easy to form "dead zones" or clumps, and it is easy to have poor mixing uniformity, which prolongs the mixing time and increases the energy consumption. Moreover, the inner wall of the cylinder is easily worn by hard raw materials such as corundum and silicon carbide, which causes the inner wall to be pitted, intensifies the material residue, shortens the service life of the equipment, increases the risk of mixing pollution, and the overall use effect is not very ideal.

[0005] At present, there is no effective solution to the problems in the related art. UTILITY MODEL CONTENTS

[0006] In view of the shortcomings of the prior art, the utility model provides a refractory brick raw material mixing machine, which has the advantages of good mixing effect, easy maintenance and high wear resistance, thereby solving the problems in the background art.

[0007] To achieve the above-mentioned advantages of good mixing effect, easy maintenance and high wear resistance, the utility model adopts the following specific technical solutions:

[0008] The utility model provides a kind of refractory brick raw material mixing machine, including stirring barrel and support leg, the inside surface position of the stirring barrel is evenly surrounded and is provided with several groups dovetail groove, the inside position of the dovetail groove is inserted dovetail block, the one end of the dovetail block is fixedly installed with wear-resistant lining plate, the wear-resistant lining plate is attached with the inner wall of stirring barrel, fastening ring is attached on the top of wear-resistant lining plate, and the inner wall of stirring barrel is fixed by bolt with fastening ring.

[0009] Further, the inside bottom end position of the stirring barrel is symmetrically installed with a stirring shaft, one end of the stirring shaft penetrates one side of the stirring barrel and is connected with a motor, variable pitch helical blades are installed around the surface position of the stirring shaft, and several groups of curved plow blade are distributed staggered on the surface position of the stirring shaft between the variable pitch helical blades.

[0010] Further, the inside top end position of the stirring barrel is provided with a mounting groove, and several groups of thread holes are provided in the mounting groove and the two end positions of the fastening ring.

[0011] Further, the top position of the stirring barrel is provided with a barrel cover.

[0012] Further, the two side positions of the bottom of the stirring barrel are symmetrically installed with support legs.

[0013] Further, the wear-resistant lining plate is of arc structure.

[0014] Further, the dovetail block structure is matched with the dovetail groove structure.

[0015] Further, the inside of the stirring barrel is provided with a mixing cavity.

[0016] Compared with the prior art, the utility model provides a kind of refractory brick raw material mixing machine, with the following beneficial effects:

[0017] (1), the utility model discloses a wear-resistant lining plate is used, when operating, the inside of stirring barrel is inserted with several groups of wear-resistant lining plate, the wear-resistant lining plate is used to avoid that barrel wall is directly contacted with raw material, to prevent barrel wall from being worn by hard raw material (such as corundum, silicon carbide), prolong its service life, and wear-resistant lining plate adopts detachable modularization setting, so when wear and tear occurs, only the wear-resistant lining plate of corresponding position is taken out and replaced, the whole barrel body does not need to be handled, the overall maintenance efficiency can be effectively improved, and better use is facilitated, with the advantages of convenient maintenance and strong wear resistance.

[0018] (2), the utility model discloses a variable pitch helical blade, cam plough blade, motor are adopted, when operating, the internal raw materials can be stirred mixing operation to the internal two groups of relative rotation's stirring rod, because the rotating direction of motor is different, therefore the stirring intensity between the internal raw materials will also increase accordingly, and then avoid single rotation and lead to raw materials and mix together fully, and the stirring shaft is equipped with variable pitch helical blade and cam plough blade, and the both staggered arrangement, through variable pitch helical blade, push raw material axial movement, eliminate the " dead zone of cylinder end portion simultaneously cam plough blade, and helical blade staggered distribution, enhance radial shear force, break up the lump, and then improve the whole mixing quality, have the advantage that the mixing effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0020] Figure 1 It is the structural schematic diagram of the raw material mixing machine of firebrick that the utility model proposes;

[0021] Figure 2 It is the structural schematic diagram of the dovetail groove of the utility model;

[0022] Figure 3 It is the structural schematic diagram of the wear-resistant lining plate of the utility model;

[0023] Figure 4 It is the structural schematic diagram of the fastening ring of the utility model.

[0024] In the drawing:

[0025] 1, stirring barrel;2, dovetail groove;3, wear-resistant lining plate;4, stirring shaft;5, variable pitch helical blade;6, cam plough blade;7, mounting groove;8, fastening ring;9, barrel cover;10, mixing cavity;11, support leg;12, motor;13, threaded hole;14, dovetail block. DETAILED DESCRIPTION

[0026] In order to further illustrate each embodiment, the utility model provides drawings, these drawings are part of the disclosure of the utility model, mainly used to illustrate the embodiment, and can cooperate with the relevant description of the specification to explain the operating principle of the embodiment, cooperating with reference to these contents, the ordinary skill in the art should understand other possible implementation modes and the advantages of the utility model, the components in the drawing are not drawn according to scale, and similar component symbols are usually used to indicate similar components.

[0027] According to the embodiment of the present application, a firebrick raw material mixing machine is provided.

[0028] The present application will be further described in conjunction with the drawings and specific embodiments, as shown in the drawings and specific embodiments, Figures 1-4 The firebrick raw material mixing machine according to the embodiment of the present application comprises a stirring barrel 1 and a supporting leg 11, a plurality of groups of dovetail grooves 2 are uniformly arranged around the inner surface of the stirring barrel 1, a dovetail block 14 is inserted into the inner position of the dovetail groove 2, a wear-resistant lining plate 3 is fixedly installed at one end of the dovetail block 14, the wear-resistant lining plate 3 is attached to the inner wall of the stirring barrel 1, a fastening ring 8 is attached to the top of the wear-resistant lining plate 3, and the fastening ring 8 is fixed to the inner wall of the stirring barrel 1 by bolts.

[0029] In one embodiment, a stirring shaft 4 is symmetrically installed at the bottom end position inside the stirring barrel 1, one end of the stirring shaft 4 penetrates through one side of the stirring barrel 1 and is connected to a motor 12, a variable pitch helical blade 5 is installed around the surface position of the stirring shaft 4, a plurality of groups of curved plow blade 6 are distributed in a staggered manner on the surface position of the stirring shaft 4 between the variable pitch helical blades 5, the variable pitch helical blade 5 pushes the raw material to move axially, eliminates the "dead zone" at the end of the cylinder, the curved plow blade 6 is distributed in a staggered manner with the helical blade, enhances the radial shear force, breaks up the clumps, and the combination of the two can effectively improve the overall mixing effect, thereby improving the overall mixing quality and facilitating better use.

[0030] In one embodiment, a mounting groove 7 is formed at the top end position inside the stirring barrel 1, and a plurality of groups of threaded holes 13 are formed at the inner position of the mounting groove 7 and at the positions of both ends of the fastening ring 8. The mounting groove 7 and the threaded holes 13 are provided to facilitate the installation and use of the fastening ring 8, and the fastening ring 8 is provided to shield and close the dovetail groove 2, prevent the wear-resistant lining plate 3 from being separated from the dovetail groove 2 during use, and ensure the stability of use.

[0031] In one embodiment, a barrel cover 9 is provided at the top position of the stirring barrel 1. The barrel cover 9 is provided to close the top of the stirring barrel 1, prevent external impurities from entering during stirring and prevent internal dust from leaking out, and prevent harm to the operator.

[0032] In one embodiment, the supporting legs 11 are symmetrically installed at the bottom positions of both sides of the stirring barrel 1. The supporting legs 11 can be used to fix the overall device, thereby enhancing the overall use stability.

[0033] In one embodiment, the wear-resistant lining plate 3 is arc-shaped, and the arc-shaped structure of the wear-resistant lining plate 3 is to ensure that the structure formed after the multiple groups of wear-resistant lining plates 3 are used together is the same as the inner wall structure of the mixing barrel 1, so as to replace the inner wall of the mixing barrel 1 and contact and rub with the raw materials, thereby avoiding wear of the inner wall of the mixing barrel 1, and at the same time, the wear-resistant lining plate 3 is composed of wear-resistant ceramic lining plate, thereby improving the overall wear resistance.

[0034] In one embodiment, the dovetail block 14 structure matches the dovetail groove 2 structure, and the dovetail block 14 and the dovetail groove 2 are matched to facilitate installation and use of the wear-resistant lining plate 3.

[0035] In one embodiment, the mixing barrel 1 is internally provided with a mixing cavity 10, the mixing cavity 10 is provided to facilitate installation and use of the wear-resistant lining plate 3 and the stirring shaft 4 and the like, and to provide the required space for mixing of the refractory brick raw materials, thereby facilitating mixing operations.

[0036] Working principle: In actual use, personnel can add various raw materials for producing refractory bricks into the mixing barrel 1, and then the internal raw materials can be stirred and mixed by the two groups of oppositely rotating stirring rods inside, and since the rotating directions of the motors 12 are different, the stirring intensity between the internal raw materials will also increase accordingly, thereby avoiding single rotation to cause the raw materials to not be fully mixed together. At the same time, the stirring shaft 4 is provided with variable pitch helical blades 5 and curved plow blade 6, and the two are staggered, the variable pitch helical blades 5 push the raw materials to move axially, eliminate the "dead zone" at the end of the cylinder, and the curved plow blade 6 is staggered with the helical blades, enhances the radial shear force, breaks up the clumps, thereby improving the overall mixing quality. In addition, the mixing barrel 1 is internally inserted with several groups of wear-resistant lining plates 3, which avoid direct contact between the barrel wall and the raw materials, thereby preventing the barrel wall from being worn by hard raw materials (such as corundum and silicon carbide), prolonging the service life thereof, and the wear-resistant lining plate 3 is modularly arranged and can be detached, so that when wear occurs, the corresponding wear-resistant lining plate 3 can be removed and replaced, without the need to process the entire barrel, thereby effectively improving the overall maintenance efficiency, facilitating better use, and the device has the advantages of good mixing effect, easy maintenance, and strong wear resistance.

[0037] In the utility model, unless another definite provision and limitation, the term "installation", "arrangement", "connection", "fixation", "screw connection" and so on term should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication or the interaction relationship of two elements inside two elements, unless another definite limitation, for the ordinary skill in the art, can understand the specific meaning of the above-mentioned term in the utility model according to the specific situation.

[0038] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A refractory brick raw material mixing machine comprising a mixing drum (1) and support legs (11), characterized in that, The inside surface position of the stirring barrel (1) is evenly surrounded by a plurality of groups of dovetail grooves (2), the inside position of the dovetail groove (2) is inserted with a dovetail block (14), one end of the dovetail block (14) is fixedly installed with a wear-resistant lining plate (3), the wear-resistant lining plate (3) is attached to the inner wall of the stirring barrel (1), the wear-resistant lining plate (3) is attached with a fastening ring (8) on the top, and the fastening ring (8) is fixed to the inner wall of the stirring barrel (1) by bolts.

2. A raw material mixing machine for refractory bricks according to claim 1, characterized in that, The inside bottom position of the stirring barrel (1) is symmetrically installed with a stirring shaft (4), one end of the stirring shaft (4) penetrates through one side of the stirring barrel (1) and is connected with a motor (12), a variable pitch helical blade (5) is installed on the surface position of the stirring shaft (4), and a plurality of groups of curved plow blade (6) are distributed between the variable pitch helical blade (5) on the surface position of the stirring shaft (4).

3. A raw material mixing machine for refractory bricks according to claim 1, characterized in that, The inside top position of the stirring barrel (1) is provided with a mounting groove (7), and a plurality of groups of threaded holes (13) are formed in the inside of the mounting groove (7) and the two end positions of the fastening ring (8).

4. A raw material mixing machine for refractory bricks according to claim 1, characterized in that, The top position of the stirring barrel (1) is provided with a barrel cover (9).

5. A raw material mixing machine for a fireproof brick according to claim 1, wherein The bottom position of the stirring barrel (1) is symmetrically installed with a supporting leg (11).

6. A raw material mixing machine for refractory bricks according to claim 1, characterized in that, The wear-resistant lining plate (3) is of arc structure.

7. A raw material mixing machine for refractory bricks according to claim 1, characterized in that, The dovetail block (14) structure is matched with the dovetail groove (2) structure.

8. A raw material mixing machine for a fireproof brick according to claim 1, wherein The inside of the stirring barrel (1) is provided with a mixing cavity (10).

Citation Information

Patent Citations

  • Raw material mixer for refractory brick production

    CN212819395U