Rotary kiln outer wall cooling device

Abstract

The utility model discloses a rotary kiln outer wall cooling device, and relates to the technical field of rotary kiln cooling. The cooling device comprises a cooling supporting assembly, the cooling supporting assembly comprises a cooling supporting seat, a driving screw rod is rotationally connected into the cooling supporting seat, an outer wall cooling mechanism is arranged on the surface of the cooling supporting seat, and the outer wall cooling mechanism comprises a first cooling assembly and a plurality of second cooling assemblies; the first cooling assembly and the second cooling assembly each comprise symmetrically-arranged cooling supporting plates, a plurality of hollow cooling frames are arranged on one side face of each cooling supporting plate, and a linkage adjusting assembly is arranged on the upper surface of the outer wall cooling mechanism. The corresponding second cooling assemblies are controlled to horizontally move, the second cooling assemblies are driven to synchronously move, and the hollow cooling frame is controlled to synchronously move until the hollow cooling frame is attached to the peripheral side face of the rotary kiln, so that the cooling coverage range is flexibly adjusted, the cooling requirement is met, and the situation that water flow influences the internal temperature of the rotary kiln during normal work is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of rotary kiln cooling, and particularly relates to a rotary kiln outer wall cooling device. BACKGROUND

[0002] The rotary kiln has extremely high internal temperature during work, and if the outer wall temperature is too high, the thermal stress of the kiln body material can be increased, and the kiln body can be deformed, cracked or even damaged under long-term action. Through cooling, the thermal stress of the kiln body material can be reduced, and the service life of the kiln body is prolonged. Meanwhile, the outer wall temperature that is too high can increase heat radiation and heat convection loss to the environment, resulting in increased heat loss in the kiln, thereby reducing thermal efficiency. Through cooling, the heat loss can be reduced, and the thermal efficiency of the kiln is improved.

[0003] Common rotary kiln cooling equipment uniformly arranges water pipes on the circumferential side of the rotary kiln, utilizes the flow of water along the water pipes, and performs cooling treatment on the circumferential side of the rotary kiln through heat exchange. However, in actual use, the water pipes are fixedly arranged on the circumferential side of the rotary kiln and have poor flexibility. When the rotary kiln needs to be heated, the water in the water pipes affects the heating speed. Therefore, the utility model provides a rotary kiln outer wall cooling device to solve the above technical problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a rotary kiln outer wall cooling device. Through specific structural design of the cooling support assembly, the outer wall cooling mechanism and the linkage adjusting assembly, the problems in the above background technology are solved.

[0005] To solve the above technical problems, the utility model is implemented by the following technical scheme: the utility model is a rotary kiln outer wall cooling device, which comprises a cooling support assembly. The cooling support assembly is arranged below the rotary kiln. The cooling support assembly comprises a cooling support seat. A drive screw is rotatably connected to the inside of the cooling support seat. An outer wall cooling mechanism is arranged on the surface of the cooling support seat. The outer wall cooling mechanism comprises a first cooling assembly fixedly arranged and a plurality of second cooling assemblies slidingly arranged. The first cooling assembly and the second cooling assembly each comprise symmetrically arranged cooling support plates. A plurality of hollow cooling frames are arranged on one side surface of the cooling support plate. The hollow cooling frames are connected to each other through first communication pipes. The corresponding hollow cooling frames on the two cooling support plates are connected to each other through second communication pipes. Adjacent two hollow cooling frames are rotatably connected through rotating shafts. Adjacent two second cooling assemblies and the corresponding second cooling assembly and first cooling assembly are connected to each other through third communication pipes. A linkage adjusting assembly is rotatably connected to the upper surface of the outer wall cooling mechanism.

[0006] The utility model further sets up, the upper surface of cooling support base is provided with the guide sliding slot, one side of cooling support base is fixedly installed with first drive motor, the output shaft of first drive motor is fixedly connected between drive screw.

[0007] The utility model further sets up, one side of cooling support plate is provided with the accommodation groove, one rotation shaft is rotatably arranged in the accommodation groove, and one lower surface of cooling support plate is fixedly connected with an extension block; the first cooling assembly and the second cooling assembly all further include symmetrically arranged U-shaped adjusting plates, the U-shaped adjusting plates are in sliding fit with the cooling support plates, and inclined slideways are symmetrically arranged on opposite sides of the U-shaped adjusting plates.

[0008] The utility model further sets up, corresponding hollow cooling frame opposite sides are fixedly connected with transmission adjusting column, and the transmission adjusting column is in sliding fit with the corresponding inclined slideways; one side of cooling support plate is rotatably connected with an adjusting gear, one side of U-shaped adjusting plate is fixedly connected with a transmission rack, and the transmission rack and the adjusting gear are in meshing engagement.

[0009] The utility model further sets up, the extension block of first cooling assembly is fixedly connected with the guide sliding slot, and the extension block of second cooling assembly is in sliding fit with the guide sliding slot, one extension block of second cooling assembly is in threaded fit with the drive screw, and the drive screw penetrates the extension block of first cooling assembly and the extension block of the rest second cooling assembly.

[0010] The utility model further sets up, the linkage adjusting assembly further includes a plurality of first adjusting connecting rods rotatably arranged on the upper surface of cooling support plate, the upper surface of first adjusting connecting rod is rotatably connected with a second adjusting connecting rod, and the first adjusting connecting rod is rotatably connected with the adjacent second adjusting connecting rod.

[0011] The utility model has the advantages of the following: 1, the utility model is provided with cooling support assembly, outer wall cooling mechanism and linkage adjusting assembly, drives the screw rotation, under the threaded fit of drive screw and the extension block of second cooling assembly, drives the corresponding second cooling assembly horizontal movement, first adjusting connecting rod moves, under the connection of second adjusting connecting rod, makes second cooling assembly synchronous movement, so as to realize the adjustment of outer wall cooling mechanism cooling coverage, and it is convenient to carry out cooling treatment to different length specifications of rotary kiln.

[0012] 2, The utility model discloses a cooling support subassembly and outer wall cooling mechanism are set up, control and adjust gear rotation, under the meshing effect of adjusting gear and transmission rack, make two U -shaped adjusting plate synchronous movement each other close, under the sliding fit of transmission adjusting column and corresponding inclined slide, make transmission adjusting column drive both ends hollow cooling frame synchronous downward movement to the center position place, until hollow cooling frame and rotary kiln circumferential surface are pasted, to this realization flexible adjustment when cooling, according to the cooling need flexible adjustment, avoid when normal work water flow influence rotary kiln internal temperature.

[0013] Of course, it is not necessary for any product embodying the present utility model to achieve all of the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present utility model, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0015] Fig. 1 It is a kind of rotary kiln outer wall cooling device's structural schematic diagram.

[0016] Fig. 2 It is the structural schematic diagram of cooling support subassembly in the utility model.

[0017] Fig. 3 It is the structural schematic diagram of first cooling subassembly in the utility model.

[0018] Fig. 4 It is the structural schematic diagram of second cooling subassembly in the utility model.

[0019] Fig. 5 It is the transverse structure sectional view of first cooling subassembly in the utility model.

[0020] Fig. 6 It is the structural schematic diagram of linkage adjusting assembly in the utility model.

[0021] In the drawings, the component list represented by each sign is as follows:

[0022] 1-cooling support assembly, 101-cooling support base, 102-driving screw, 103-guiding chute, 104-first driving motor, 2-outer wall cooling mechanism, 201-cooling support plate, 202-hollow cooling frame, 203-U-shaped adjusting plate, 204-inclined slide, 205-transmission adjusting column, 206-adjusting gear, 207-transmission rack, 3-first cooling assembly, 4-second cooling assembly, 5-linkage adjusting assembly, 501-first adjusting connecting rod, 502-second adjusting connecting rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0024] Specific embodiment one, please refer to Figs. 1-6 The present application is a rotary kiln outer wall cooling device, which comprises a cooling support assembly 1. Specifically, the cooling support assembly 1 is arranged below the rotary kiln, and the cooling support assembly 1 comprises a cooling support base 101, and a driving screw 102 is rotatably connected inside the cooling support base 101.

[0025] Further, the cooling support base is provided with an outer wall cooling mechanism 2, which comprises a first cooling assembly 3 arranged fixedly and a plurality of second cooling assemblies 4 arranged slidably. The second cooling assemblies 4 are located on the same side of the first cooling assembly 3. The first cooling assembly 3 and the second cooling assemblies 4 each comprise a pair of cooling support plates 201 arranged symmetrically. A plurality of hollow cooling frames 202 are arranged on one side of the cooling support plates 201. The hollow cooling frames 202 are connected by a first communication pipe. The first communication pipe is connected to an external water source. During cooling, the hollow cooling frames 202 are continuously supplied with water from the external water source, so that the water flows through the outer wall cooling mechanism 2. The hollow cooling frames 202 corresponding to the two cooling support plates are connected by a second communication pipe. The adjacent hollow cooling frames 202 are rotatably connected by a rotating shaft. The adjacent second cooling assemblies 4 and the first cooling assembly 3 corresponding to the second cooling assemblies 4 are connected by a third communication pipe. A linkage adjusting assembly 5 is rotatably connected to the upper surface of the outer wall cooling mechanism 2. The first communication pipe, the second communication pipe and the third communication pipe are made of flexible hose material.

[0026] The operation process of the embodiment is as follows: the coverage of the outer wall cooling mechanism 2 is adjusted according to the length of the rotary kiln, the driving screw 102 is controlled to rotate, the corresponding second cooling assembly 4 is driven to slide horizontally, and the second cooling assembly 4 is synchronously moved under the connection action of the linkage adjusting assembly 5, so as to adjust the coverage of the outer wall cooling mechanism 2; when cooling is needed, the hollow cooling frame 202 on the two cooling support plates 201 is synchronously moved, so that the hollow cooling frame 202 is attached to the circumferential side surface of the rotary kiln, the water flows through the hollow cooling frame 202 through the first and second communication pipes, and then flows into the entire outer wall cooling mechanism 2 through the third communication pipe, so as to realize the cooling treatment of the circumferential side surface of the rotary kiln.

[0027] Specific embodiment two, please refer to Figs. 1-6 On the basis of the specific embodiment one, specifically, the upper surface of the cooling support base 101 is provided with a guide sliding groove 103, and the first driving motor 104 is fixedly installed on one side surface of the cooling support base 101; the output shaft of the first driving motor is fixedly connected with the driving screw 102, and the first driving motor is used to drive the driving screw 102 to rotate.

[0028] Further, the cooling support plate 201 is provided with a mounting groove on one side surface, one rotating shaft is rotatably arranged in the mounting groove, and the lower surface of one cooling support plate 201 is fixedly connected with an extension block; the first cooling assembly 3 and the second cooling assembly 4 each further include a symmetrically arranged U-shaped adjusting plate 203, the U-shaped adjusting plate 203 is in sliding fit with the cooling support plate 201, and the relative two side surfaces of the U-shaped adjusting plate 203 are symmetrically provided with inclined sliding grooves 204.

[0029] Further, the corresponding hollow cooling frame 202 is fixedly connected with a transmission adjusting column 205 on the relative two side surfaces, the transmission adjusting column 205 is in sliding fit with the corresponding inclined sliding groove 204; the cooling support plate 201 is rotatably connected with an adjusting gear 206 on one side surface, and the second driving motor is fixedly installed on one side surface of the cooling support plate 201; the output section of the second driving motor is fixedly connected with a driving shaft, the second driving motor is used to drive the driving shaft to rotate, the transmission gear rack 207 is fixedly connected with one side surface of the U-shaped adjusting plate 203, and the transmission gear rack 207 and the adjusting gear 206 are in meshing fit with each other; the transmission gear racks 207 on the two U-shaped adjusting plates 203 are respectively located on the upper and lower sides of the adjusting gear 206.

[0030] Further, the extension block of the first cooling assembly 3 is fixedly connected with the guide sliding groove 103, and the extension block of the second cooling assembly 4 is slidingly matched with the guide sliding groove 103, wherein the extension block of one second cooling assembly 4 is threadedly matched with the drive screw 102, and the second cooling assembly 4 threadedly matched with the drive screw 102 is arranged close to the first cooling assembly 3, and the horizontal movement of the corresponding second cooling assembly 4 is driven by the thread matching between the extension block of the second cooling assembly 4 and the drive screw 102, and the drive screw 102 penetrates the extension block of the first cooling assembly 3 and the extension blocks of the rest of the second cooling assemblies 4.

[0031] Further, the linkage adjusting assembly 5 further comprises a plurality of first adjusting links 501 rotatably arranged on the upper surface of the cooling support plate 201, the upper surface of the first adjusting link 501 is rotatably connected with a second adjusting link 502, and the first adjusting link 501 is rotatably connected with the adjacent second adjusting link 502.

[0032] The operation process of the embodiment is as follows: the coverage range of the outer wall cooling mechanism 2 is adjusted according to the length of the rotary kiln, the first drive motor is started to drive the drive screw 102 to rotate, the corresponding extension block moves along the inside of the guide sliding groove 103 under the thread matching action of the drive screw 102 and the extension block of the corresponding second cooling assembly 4, and since the first cooling assembly 3 is fixedly positioned, the corresponding first adjusting link 501 on the upper surface of the corresponding second cooling assembly 4 moves synchronously in this process, the first adjusting link 501 synchronously rotates under the connecting action of the second adjusting link 502, thereby driving the rest of the second cooling assemblies 4 to synchronously move, until the coverage range of the outer wall cooling mechanism 2 is consistent with the length of the rotary kiln; when it is needed to perform the cooling treatment on the peripheral side of the rotary kiln, the second drive motor is started to drive the adjusting gear 206 to rotate, the transmission racks 207 on the two U-shaped adjusting plates 203 synchronously move close to each other under the meshing action of the adjusting gear 206 and the transmission racks 207, thereby driving the two U-shaped adjusting plates 203 to synchronously move, in this process, the inclined slide 204 synchronously moves with the U-shaped adjusting plate 203, the hollow cooling frame 202 located on both sides of the cooling support plate 201 moves downward and synchronously gathers to the central position under the sliding matching action of the inclined slide 204 and the corresponding transmission adjusting column 205, and since the rotating shafts between the two hollow cooling frames 202 at the middle position are rotatably connected in the mounting groove (i.e., the positions of the two hollow cooling frames 202 at the middle position are relatively unchanged), the hollow cooling frames 202 located on both sides of the cooling support plate 201 move downward and synchronously gather to the central position, until the hollow cooling frames 202 are in close contact with the peripheral side of the rotary kiln, the water flow passes through the first communication pipe and the second communication pipe to flow through each hollow cooling frame 202, and then flows into the entire outer wall cooling mechanism 2 through the third communication pipe, thereby realizing the cooling treatment on the peripheral side of the rotary kiln.

[0033] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The preferred embodiments of the utility model disclosed above are only used for helping to explain the utility model. The preferred embodiments do not describe all the details exhaustively, and also do not limit the utility model to only the specific implementation manners described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited only by the claims and the entire scope and equivalents thereof.

Claims

1. A rotary kiln outer wall cooling device, comprising a cooling support assembly (1), characterized in that: the cooling support assembly (1) is arranged below the rotary kiln, and the cooling support assembly (1) comprises a cooling support seat (101) which is internally rotationally connected with a driving screw (102); an outer wall cooling mechanism (2) is arranged on the surface of the cooling support seat, the outer wall cooling mechanism (2) comprises a first cooling assembly (3) fixedly arranged and a plurality of second cooling assemblies (4) slidingly arranged, the first cooling assembly (3) and the second cooling assembly (4) each comprise symmetrically arranged cooling support plates (201), a plurality of hollow cooling frames (202) are arranged on one side of the cooling support plate, the hollow cooling frames (202) are connected with each other through first communication pipes, the corresponding hollow cooling frames (202) on the two cooling support plates are connected with each other through second communication pipes, adjacent two hollow cooling frames (202) are rotationally connected through a rotating shaft, adjacent two second cooling assemblies (4) and the corresponding second cooling assembly (4) and the first cooling assembly (3) are connected with each other through third communication pipes, and a linkage adjusting assembly (5) is rotationally connected to the upper surface of the outer wall cooling mechanism (2). A guide sliding groove (103) is formed on the upper surface of the cooling support seat (101), and a first driving motor (104) is fixedly installed on one side of the cooling support seat (101), and the output shaft of the first driving motor is fixedly connected with the driving screw (102). A mounting groove is formed on one side of the cooling support plate (201), one of the rotating shafts is rotationally arranged in the mounting groove, and the lower surface of one of the cooling support plates (201) is fixedly connected with an extension block.

2. A rotary kiln outer wall cooling device according to claim 1, characterized in that, The first cooling assembly (3) and the second cooling assembly (4) each further comprise symmetrically arranged U-shaped adjusting plates (203), the U-shaped adjusting plates (203) are slidingly matched with the cooling support plates (201), and inclined sliding channels (204) are symmetrically formed on opposite sides of the U-shaped adjusting plates (203).

3. A rotary kiln outer wall cooling device according to claim 2, characterized in that, Corresponding transmission adjusting columns (205) are fixedly connected to opposite sides of the hollow cooling frame (202), and the transmission adjusting columns (205) are slidingly matched with the corresponding inclined sliding channels (204).

4. A rotary kiln outer wall cooling device according to claim 3, characterized in that, An adjusting gear (206) is rotationally connected to one side of the cooling support plate (201), a transmission rack (207) is fixedly connected to one side of the U-shaped adjusting plate (203), and the transmission rack (207) and the adjusting gear (206) are mutually engaged.

5. A rotary kiln outer wall cooling device according to claim 4, characterized in that, The extension block of the first cooling assembly (3) is fixedly connected with the guide sliding groove (103), the extension block of the second cooling assembly (4) is slidingly matched with the guide sliding groove (103), the extension block of one of the second cooling assemblies (4) is threadedly matched with the driving screw (102), and the driving screw (102) penetrates through the extension block of the first cooling assembly (3) and the extension blocks of the remaining second cooling assemblies (4).

6. A rotary kiln outer wall cooling device according to claim 5, characterized in that, ​ 7. A rotary kiln outer wall cooling device according to claim 6, characterized in that ​ 8. A rotary kiln outer wall cooling device according to claim 7, characterized in that The linkage adjusting assembly (5) further comprises a plurality of first adjusting links (501) rotatably arranged on the upper surface of the cooling support plate (201), the upper surface of the first adjusting link (501) is rotatably connected with a second adjusting link (502), and the first adjusting link (501) and the adjacent second adjusting link (502) are rotatably connected.

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