Sealing device for transmission rod of grate cooler

Abstract

The utility model provides a sealing device for a grate cooler transmission rod and relates to the technical field of grate coolers, a sealing bearing is arranged at the joint of the grate cooler transmission rod and a grate cooler shell, the outer end of the grate cooler transmission rod is sleeved with a sealing shell, and the end, close to the grate cooler shell, of the sealing shell is bent outwards to form a fixing part; the end, away from the grate cooler shell, of the sealing shell is bent inwards to form a shielding part, a sealing assembly is arranged between the shielding part and the grate cooler transmission rod, a containing cavity is formed between the sealing shell and the grate cooler transmission rod, an air outlet is formed in the top of the sealing shell and detachably provided with a filtering assembly, and a dust discharging opening is formed in the bottom of the sealing shell. The sealing performance between the grate cooler transmission rod and the grate cooler shell can be effectively improved, if dusty gas leaks out, clinker dust in the gas can be filtered through the filtering assembly, the clinker dust is temporarily stored in the containing cavity, the dust discharging valve is regularly opened, and the clinker dust is discharged for further treatment. And pollution to the production environment is effectively avoided.

Description

Technical Field

[0001] The present application relates to the technical field of grate coolers, and in particular to a sealing device for a transmission rod of a grate cooler. Background Art

[0002] The grate cooler is an important main machine in the clinker burning system of the cement plant. Its main function is to cool and transport the cement clinker and provide hot air for the rotary kiln and decomposition furnace. The grate cooler transmission rod is an important component of the grate cooler. It is used to connect the transmission beam inside the grate cooler air chamber and the external transmission station to achieve the cooling and transportation of the cement clinker. The reciprocating motion of the grate cooler transmission rod is driven by the cam mechanism of the external transmission station. During the motion, the transmission rod will swing to a certain extent.

[0003] However, after the grate cooler has been running for a period of time, the swinging of the transmission rod during operation will inevitably cause the sealing ring to wear and disengage, resulting in a large gap, which will deteriorate the sealing effect and cause the dust-containing gas in the grate cooler air chamber to leak out, causing production environmental pollution. In severe cases, the leaked clinker dust will cause damage to other equipment in the production workshop. Summary of the invention

[0004] The purpose of the embodiments of the present application is to provide a sealing device for a grate cooler transmission rod, which can solve the technical problems that the dust-containing gas in the grate cooler air chamber leaks out and causes pollution to the production environment, and the leaked clinker dust causes damage to other equipment in the production workshop.

[0005] The embodiment of the present application provides a sealing device for a grate cooler transmission rod, wherein the grate cooler transmission rod passes through the grate cooler casing and is transmission-connected to the cam mechanism of the grate cooler, a sealing bearing is provided at the connection between the grate cooler transmission rod and the grate cooler casing, a sealing shell is provided on the outer end sleeve of the grate cooler transmission rod, one end of the sealing shell close to the grate cooler casing is bent outward to form a fixing portion, the fixing portion is fixedly connected to the grate cooler casing, one end of the sealing shell away from the grate cooler casing is bent inward to form a shielding portion, a sealing assembly is provided between the shielding portion and the grate cooler transmission rod, a accommodating chamber is provided between the sealing shell and the grate cooler transmission rod, an air outlet is provided at the top of the sealing shell, a filter assembly is detachably provided at the air outlet, a dust outlet is provided at the bottom of the sealing shell, and a dust outlet valve is provided at the dust outlet.

[0006] Furthermore, the sealing assembly includes a limit stopper and a sealing filler, the limit stopper is annular, an annular limit protrusion is provided on the grate cooler transmission rod, the limit stopper is provided with an annular limit groove matched with the annular limit protrusion, the annular limit protrusion is located in the annular limit groove, and the sealing filler is located between the annular limit groove and the annular limit protrusion.

[0007] Furthermore, the sealing filler is carbon fiber.

[0008] Furthermore, the filter assembly includes a filter frame, a first filter screen, a second filter screen and a high temperature resistant filter sponge. The first filter screen and the second filter screen are fixed on the filter frame from top to bottom, the high temperature resistant filter sponge is located between the first filter screen and the second filter screen, and the filter frame is threadedly connected to the air outlet.

[0009] Furthermore, the sealing shell is provided with a transparent observation window.

[0010] Furthermore, handles are symmetrically fixed on the filter frame.

[0011] Beneficial effects of the utility model:

[0012] The utility model can effectively improve the sealing between the grate cooler transmission rod and the grate cooler housing by arranging a sealing shell, a sealing bearing and a sealing component, and a accommodating chamber is arranged between the sealing shell and the grate cooler transmission rod, and an air outlet is arranged on the top of the sealing shell, and a filter component is detachably arranged on the air outlet, and a dust exhaust port is arranged on the bottom of the sealing shell, and a dust exhaust valve is arranged at the dust exhaust port. If dust-containing gas leaks out, clinker dust in the gas can be filtered through the filter component, so that the clinker dust is temporarily stored in the accommodating chamber, and then the dust exhaust valve is opened regularly to discharge it for further treatment, thereby effectively avoiding pollution to the production environment and preventing other equipment in the production workshop from being damaged by the clinker dust. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 This is a schematic diagram of the structure of some embodiments of the present application;

[0015] Figure 2 It is a cross-sectional view of some embodiments of the present application;

[0016] The reference numerals are:

[0017] 1. Grate cooler transmission rod; 11. Annular limit protrusion; 2. Grate cooler casing; 3. Sealed bearing; 4. Sealed casing; 41. Fixed part; 42. Shielding part; 43. Air outlet; 44. Dust outlet; 45. Observation window; 5. Sealing assembly; 51. Limit stopper; 511. Annular limit groove; 52. Sealing packing; 6. Accommodating chamber; 7. Filter assembly; 71. Filter frame; 72. First filter screen; 73. Second filter screen; 74. High temperature resistant filter sponge; 8. Dust exhaust valve; 9. Handle. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0020] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0021] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0022] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0023] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances. Specific embodiment:

[0025] like Figure 1 and Figure 2 As shown, the present application provides a sealing device for a grate cooler transmission rod, the grate cooler transmission rod 1 penetrates the grate cooler casing 2 and is transmission-connected with the cam mechanism of the grate cooler, a sealing bearing 3 is provided at the connection between the grate cooler transmission rod 1 and the grate cooler casing 2, specifically, the grate cooler transmission rod 1 is fixedly connected to the inner wall of the sealing bearing 3, the outer wall of the sealing bearing 3 is fixedly connected to the grate cooler casing 2, a sealing shell 4 is sleeved on the outer end of the grate cooler transmission rod 1, one end of the sealing shell 4 close to the grate cooler casing 2 is bent outward to form a fixing portion 41, the fixing portion 41 is fixedly connected to the grate cooler casing 2, specifically, the fixing portion 41 is welded to the grate cooler casing, one end of the sealing shell 4 away from the grate cooler casing 2 is bent inward to form a shielding portion 42, the shielding portion 42 is connected to the grate cooler casing 2, and the sealing portion 42 is fixedly connected to the grate cooler casing 2. A sealing component 5 is provided between the grate cooler transmission rod 1, a accommodating chamber 6 is provided between the sealing shell 4 and the grate cooler transmission rod 1, an air outlet 43 is provided at the top of the sealing shell 4, and the air outlet 43 is detachably provided with a filter component 7, a dust outlet 44 is provided at the bottom of the sealing shell 4, and a dust outlet valve 8 is provided at the dust outlet 44. Through the arrangement of the sealing shell 4, the sealing bearing 3 and the sealing component 5, the sealing performance between the grate cooler transmission rod 1 and the grate cooler housing can be effectively improved. If dust-containing gas leaks out, the clinker dust in the gas can be filtered through the filter component 7, so that the clinker dust is temporarily stored in the accommodating chamber 6, and then the dust outlet valve 8 is opened regularly to discharge it for further treatment, which effectively avoids pollution to the production environment and prevents other equipment in the production workshop from being damaged by the clinker dust.

[0026] like Figure 2As shown, the sealing assembly 5 includes a limit stopper 51 and a sealing filler 52. The limit stopper 51 is annular. An annular limit protrusion 11 is provided on the grate cooler transmission rod 1. The limit stopper 51 is provided with an annular limit groove 511 matched with the annular limit protrusion 11. The annular limit protrusion 11 is located in the annular limit groove 511, and the sealing filler 52 is located between the annular limit groove 511 and the annular limit protrusion 11. Specifically, the annular limit protrusion 11 is movably connected with the annular limit groove 511 to avoid interference with the rotation of the grate cooler transmission rod 1. The side wall of the annular limit protrusion 11 abuts against the inner side wall of the annular limit groove 511, and a filling cavity for filling the sealing filler 52 is formed between the protruding part of the annular limit protrusion 11 and the inner circumferential side of the annular limit groove 511. Through this design, the shielding portion 42 and the grate cooler transmission rod 1 can be effectively sealed to prevent the dust-containing gas in the accommodating cavity 6 from leaking out.

[0027] like Figure 2 As shown, the sealing filler 52 is made of carbon fiber, which has excellent wear resistance and effectively prolongs the service life.

[0028] like Figure 1 and Figure 2 As shown, the filter assembly 7 includes a filter frame 71, a first filter screen 72, a second filter screen 73 and a high temperature resistant filter sponge 74. The first filter screen 72 and the second filter screen 73 are fixed on the filter frame 71 from top to bottom, and the high temperature resistant filter sponge 74 is located between the first filter screen 72 and the second filter screen 73. The first filter screen 72 and the second filter screen 73 play a positioning role for the high temperature resistant filter sponge 74. The filter frame 71 is threadedly connected to the air outlet 43. When the dust-containing gas in the accommodating chamber 6 flows out from the air outlet 43, it is filtered by the second filter screen 73, the high temperature resistant filter sponge 74 and the first filter screen 72 to become clean gas and be discharged into the production workshop, so as to avoid clinker dust from polluting the production environment and causing damage to other equipment in the production workshop. After long-term use, the filtering effect of the high temperature resistant filter sponge 74 is reduced. At this time, the filter frame 71 can be rotated to separate the filter frame 71 from the air outlet 43, and then a new filter assembly 7 can be replaced.

[0029] like Figure 1 As shown, a transparent observation window 45 is provided on the sealing shell 4, through which the accumulation of clinker dust in the accommodating chamber 6 can be observed, and the dust exhaust valve 8 can be opened to discharge the clinker dust according to actual needs.

[0030] like Figure 1 and Figure 2 As shown, handles 9 are symmetrically fixed on the filter frame 71, and the filter frame 71 is easily rotated by the handles 9.

[0031] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A sealing device for a grate cooler transmission rod, wherein the grate cooler transmission rod penetrates the grate cooler casing and is transmission-connected to a cam mechanism of the grate cooler, characterized in that: A sealed bearing is provided at the connection between the grate cooler transmission rod and the grate cooler casing, a sealing shell is provided on the outer end sleeve of the grate cooler transmission rod, one end of the sealing shell close to the grate cooler casing is bent outward to form a fixing portion, the fixing portion is fixedly connected to the grate cooler casing, one end of the sealing shell away from the grate cooler casing is bent inward to form a shielding portion, a sealing assembly is provided between the shielding portion and the grate cooler transmission rod, a accommodating chamber is provided between the sealing shell and the grate cooler transmission rod, an air outlet is provided at the top of the sealing shell, a filter assembly is detachably provided at the air outlet, a dust outlet is provided at the bottom of the sealing shell, and a dust outlet valve is provided at the dust outlet.

2. A sealing device for a grate cooler transmission rod according to claim 1, characterized in that: The sealing assembly includes a limit stopper and a sealing filler, the limit stopper is annular, an annular limit protrusion is provided on the grate cooler transmission rod, the limit stopper is provided with an annular limit groove matched with the annular limit protrusion, the annular limit protrusion is located in the annular limit groove, and the sealing filler is located between the annular limit groove and the annular limit protrusion.

3. A sealing device for a grate cooler transmission rod according to claim 2, characterized in that: The sealing filler is carbon fiber.

4. A sealing device for a grate cooler transmission rod according to claim 1, characterized in that: The filter assembly includes a filter frame, a first filter screen, a second filter screen and a high temperature resistant filter sponge. The first filter screen and the second filter screen are fixed on the filter frame from top to bottom. The high temperature resistant filter sponge is located between the first filter screen and the second filter screen. The filter frame is threadedly connected to the air outlet.

5. The sealing device for a grate cooler transmission rod according to claim 1, characterized in that: The sealing shell is provided with a transparent observation window.

6. A sealing device for a grate cooler transmission rod according to claim 4, characterized in that: The filter frame is symmetrically fixed with handles.

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