Length-adjustable material scattering device

Abstract

The utility model belongs to the technical field of preheating system application, and particularly discloses a length-adjustable material scattering device which comprises an air pipe, a material scattering box body, a feeding port, a discharging port, a fixing support with a screw hole, an adjusting screw with a rotating hand wheel, a material scattering plate, a groove, a transverse plate, a transverse plate through hole, a wear-resisting sleeve, a wear-resisting sleeve and an anti-disengaging nut. Wherein the material scattering plate is obliquely arranged in the lower part of the material scattering box body. The material scattering device with the adjustable length has the beneficial effects that 1, the material scattering device has a good scattering effect on materials under various working conditions by adjusting the length of the material scattering plate, the heat exchange efficiency between gas and solid is improved to the maximum extent, the high quality, high yield and low consumption of a whole calcining system are realized, and the energy consumption is reduced; the device has the functions of uniform gas-solid dispersion, rapid heat exchange and efficient separation; and 2, the conditions of collapse and blockage of the powdery materials in the air pipe are effectively restrained, the preheating efficiency of the powdery materials is improved, and the stability of the system is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of preheating system application, and in particular relates to a length-adjustable material spreading device. Background Art

[0002] The preheating efficiency of powdered materials is an important technical and economic indicator of the powdered material sintering system in addition to the output. The heat consumption of sintering is directly related to the production cost and the economic benefits of the factory.

[0003] The principle of the material spreading device used in the existing powder material preheating system is to utilize the impact force of the falling material to hit the material spreading plane of the material spreading device and automatically disperse, so the material spreading effect is not adjustable.

[0004] The spreading effects of spreading devices (such as application number / patent number 201120557965.2) from different manufacturers are also different, and it is difficult to adjust to cope with the phenomena of material collapse and material blockage.

[0005] The powder in the preheating system of powdered materials cannot be fully dispersed, and there are material rushing and back-mixing phenomena from time to time, and the gas-solid two-phase heat exchange efficiency is low. If the spreading effect of the existing spreading device can be improved, and the spreading device has an online adjustment function, it will be very helpful for the process operation of the preheating system of powdered materials, improve the heat exchange efficiency, and reduce the occurrence of material collapse and blockage.

[0006] Therefore, based on the above problems, the utility model provides a length-adjustable material spreading device. Utility Model Content

[0007] Purpose of the utility model: The purpose of the utility model is to provide a length-adjustable spreading device to solve the technical problems existing in the existing spreading devices. It has an online adjustment function and improves the heat exchange efficiency of the preheating system of powdered materials and reduces the occurrence of adverse situations such as material collapse and blockage.

[0008] Technical solution: The utility model provides a length-adjustable material spreading device, comprising an air duct, a material spreading box, a material inlet and a material outlet, a fixing bracket with a screw hole is provided on the middle outer wall of one side of the material spreading box, an adjusting screw with a rotating hand wheel is provided on the fixing bracket with a screw hole, a material spreading plate is provided in the material spreading box, a groove is provided in the end face at one end of the symmetry center line of the material spreading plate, a cross plate is provided in the groove, a cross plate through hole is provided in the cross plate, a wear-resistant sleeve is provided in the cross plate through hole, one end of the adjusting screw with a rotating hand wheel passes through the wear-resistant sleeve in the cross plate through hole, and an anti-slip nut is provided on the end face; wherein the material spreading plate is obliquely arranged in the lower part of the material spreading box.

[0009] In the technical solution, the length-adjustable material spreading device further includes an observation hole arranged on one side outer wall of the material spreading box and located above the fixing bracket with screw holes.

[0010] In the technical solution, the length-adjustable spreading device also includes a vertical support portion and an oblique support portion which are arranged on the lower inner wall of the spreading box and contact the spreading plate at one end; wherein the vertical support portion and the oblique support portion are used to provide sliding support for the tilt-adjustable spreading plate.

[0011] In the technical solution of the present invention, the contact surface between the vertical support portion and the material spreading plate is set as an inclined structure, and the contact surface between the inclined support portion and the material spreading plate is set as a plane structure.

[0012] Compared with the prior art, the beneficial effects of a length-adjustable spreading device of the utility model are: 1. By adjusting the length of the spreading plate, it has a good dispersion effect on the material under various working conditions, maximizes the heat exchange efficiency between gas and solid, and realizes high quality, high yield and low consumption of the entire calcination system, and has the functions of uniform gas-solid dispersion, rapid heat exchange and efficient separation; 2. It effectively curbs the collapse and blockage of powdered materials in the air duct, improves the preheating efficiency of powdered materials, and enhances the stability of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 This is a schematic diagram of the main structure of a length-adjustable material spreading device of the utility model;

[0015] Figure 2 It is a side sectional structural schematic diagram of a length-adjustable material spreading device of the utility model;

[0016] Figure 3 It is a schematic diagram of the assembly structure of a spreading plate, a groove, a horizontal plate, a through hole of the horizontal plate, a wear-resistant sleeve, an adjusting screw with a rotating hand wheel and an anti-stripping nut of a length-adjustable spreading device of the utility model;

[0017] Among them, the serial numbers in the figure are as follows: 100-air duct, 1-material spreading box, 11-feeding port, 12-vertical support part, 13-inclined support part, 14-discharging port, 2-observation hole, 3-fixing bracket with screw holes, 4-material spreading plate, 41-groove, 42-horizontal plate through hole, 43-horizontal plate, 44-wear-resistant sleeve, 5-adjusting screw with rotating handwheel, 51-anti-slip nut. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with 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 of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top end", "bottom end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] Embodiment 1

[0021] like Figure 1 , Figure 2 and Figure 3 The length-adjustable material spreading device shown in the figure comprises an air duct 100, a material spreading box 1, a material inlet 11 and a material outlet 14.

[0022] A fixing bracket 3 with screw holes is provided on the middle outer wall of one side of the material spreading box 1.

[0023] The fixing bracket 3 with screw holes is provided with an adjusting screw 5 with a rotating hand wheel.

[0024] A spreading plate 4 is provided in the spreading box 1.

[0025] A groove 41 is provided in the end surface of one end of the symmetric center line of the spreading plate 4.

[0026] A transverse plate 43 is provided in the groove 41.

[0027] The horizontal plate 43 is provided with a horizontal plate through hole 42.

[0028] A wear-resistant sleeve 44 is provided in the through hole 42 of the horizontal plate.

[0029] One end of the adjusting screw rod 5 with a rotating hand wheel passes through the wear-resistant sleeve 44 in the through hole 42 of the horizontal plate, and an anti-slip nut 51 is provided on the end surface;

[0030] The spreading plate 4 is obliquely arranged in the lower part of the spreading box 1 to disperse the powdered material entering through the feed port 11 and to allow the powdered material to enter the air duct 100 through the discharge port 14 .

[0031] Embodiment 2

[0032] On the basis of the first embodiment, the length-adjustable spreading device further includes an observation hole 2 arranged on one side outer wall of the spreading box 1 and located above the fixing bracket 3 with screw holes, which can realize the observation of the state of powdered material on the spreading plate 4 in the spreading box 1 during dispersion, and can also realize the observation of the dispersion effect during adjustment, so as to facilitate intuitive adjustment.

[0033] Embodiment 3

[0034] On the basis of the first or second embodiment, the length-adjustable material spreading device further includes a vertical support portion 12 and an oblique support portion 13 which are arranged on the lower inner wall of the material spreading box 1 and one end of which contacts the material spreading plate 4;

[0035] The vertical support portion 12 and the oblique support portion 13 are used to provide sliding support for the tilt-adjustable spreading plate 4, and can also improve the impact-resistant support strength and extend the service life.

[0036] In addition, preferably, the contact surface between the vertical support portion 12 and the spreading plate 4 is set as an inclined structure, and the contact surface between the inclined support portion 13 and the spreading plate 4 is set as a flat structure, which can realize accurate sliding support tilt adjustment.

[0037] The structural principle or working principle of the length-adjustable spreading device of this structure:

[0038] Please review Figure 1 , Figure 2 and Figure 3 :The powdered material enters the spreading box 1 through the feed port 11, and the position of the powdered material is adjusted accordingly (inclined raising / lowering) relative to the fixed bracket 3 with screw holes by rotating the adjusting screw 5 with a rotating handwheel. At this time, the position-adjustable adjusting screw 5 with a rotating handwheel drives the spreading plate 4 to perform different position adjustments (inclined raising / lowering), thereby controlling the length of the spreading plate 4 in the air duct 100, changing the falling direction of the powdered material, and improving the dispersion effect of the material.

[0039] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0040] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A length-adjustable material spreading device, comprising an air duct (100), a material spreading box (1), a material inlet (11) and a material outlet (14), characterized in that: A fixing bracket (3) with screw holes is provided on the middle outer wall of one side of the material spreading box (1). The fixing bracket (3) with screw holes is provided with an adjusting screw (5) with a rotating hand wheel. The material spreading box (1) is provided with a material spreading plate (4). A groove (41) is provided in the end surface of one end of the symmetry center line of the spreading plate (4). A transverse plate (43) is arranged in the groove (41). The transverse plate (43) is provided with a transverse plate through hole (42). A wear-resistant sleeve (44) is arranged in the through hole (42) of the horizontal plate. One end of the adjusting screw rod (5) with a rotating hand wheel passes through the wear-resistant sleeve (44) in the through hole (42) of the horizontal plate, and an anti-slip nut (51) is arranged on the end surface; The material spreading plate (4) is arranged obliquely in the lower part of the material spreading box (1).

2. A length-adjustable material spreading device according to claim 1, characterized in that: The length-adjustable material spreading device further comprises an observation hole (2) arranged on an outer wall of one side of the material spreading box (1) and located above the fixing bracket (3) with screw holes.

3. A length-adjustable material spreading device according to claim 1 or 2, characterized in that: The length-adjustable material spreading device further comprises a vertical support portion (12) and an oblique support portion (13) which are arranged on the lower inner wall of the material spreading box (1) and one end of which is in contact with the material spreading plate (4); The vertical support portion (12) and the oblique support portion (13) are used to provide sliding support for the tilt-adjustable material spreading plate (4).

4. A length-adjustable material spreading device according to claim 3, characterized in that: The contact surface between the vertical support portion (12) and the material spreading plate (4) is arranged as an inclined surface structure, and the contact surface between the inclined support portion (13) and the material spreading plate (4) is arranged as a plane structure.

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