Expansion dust collection device

Abstract

The utility model provides an expansion dust collection device, and relates to the technical field of cement production, the expansion dust collection device comprises a dust collection bin and an expansion bin, the dust collection bin is provided with a first smoke inlet pipe fitting and a first smoke exhaust pipe fitting, the expansion bin is provided with a second smoke inlet pipe fitting and a second smoke exhaust pipe fitting, and the first smoke exhaust pipe fitting and the second smoke exhaust pipe fitting can extend into the second smoke inlet pipe fitting to realize sleeving connection; the expansion bin is fixedly connected with the dust collection bin through a flange plate so as to achieve expansion, the dust collection bin and the expansion bin are internally provided with an ash removal structure, a filtering structure and a dust collection structure respectively, the filtering structure is located between the ash removal structure and the dust collection structure, the dust collection structure is provided with an ash discharge port, and a gate valve is installed at the ash discharge port. And a plurality of capacity expansion bins are fixedly connected behind the dust collection bin through flange plates, so that capacity expansion is performed based on treatment requirements, and a better treatment effect is achieved.

Description

Technical Field

[0001] The present application relates to the technical field of cement production, and in particular to a capacity-expanding dust collecting device. Background Art

[0002] Cement rotary kiln belongs to the category of building materials equipment, is a kind of lime kiln, and is the main equipment of cement clinker dry and wet production lines. A vertical preheater is designed and installed at the tail of the kiln to transfer the flue gas temperature of about 900℃ at the tail of the rotary kiln to the materials to be calcined. After the heat exchange between the flue gas and the materials, the materials to be calcined are heated, and the flue gas temperature drops to about 200℃. The high-pressure fan sucks the flue gas into the dust collector through the exhaust duct to remove dust, and the dust-removed flue gas is discharged into the atmosphere from the chimney through the induced draft fan.

[0003] As the production capacity of cement rotary kilns increases, it is necessary to shorten the residence time of flue gas in the dust collector in order to improve the operating efficiency of the entire production line and upgrade environmental protection regulations. Therefore, it is necessary to improve dust collection efficiency and reduce emission concentration through capacity expansion and transformation. However, the existing dust collection device at the kiln tail cannot expand the dust collection bin based on processing needs and cannot meet processing needs. Summary of the invention

[0004] The purpose of the embodiments of the present application is to provide a capacity-expandable dust collecting device, which can solve the technical problem of capacity-expanding the dust collecting device at the end of a kiln.

[0005] The embodiment of the present application provides an expandable dust collecting device, comprising a dust collecting bin and an expansion bin, wherein the front end of the dust collecting bin is provided with a first smoke inlet fitting, the rear end of the dust collecting bin is provided with a first smoke exhaust fitting, the front end of the expansion bin is provided with a second smoke exhaust fitting, the rear end of the expansion bin is provided with a second smoke exhaust fitting, and the first smoke exhaust fitting and the second smoke exhaust fitting are respectively arranged to cooperate with the second smoke inlet fitting so that the first smoke exhaust fitting and the second smoke exhaust fitting can respectively extend into the second smoke inlet fitting to achieve a sleeve connection. The dust collecting bin is provided with a side of the first smoke exhaust fitting, the expansion bin is provided with a side of the second smoke inlet fitting, and the expansion bin is provided with a side of the second smoke exhaust fitting, and flanges are respectively provided, and the expansion bin is fixedly connected to the dust collecting bin through the flange to achieve expansion, and a dust cleaning structure, a filter structure and a dust collecting structure are respectively provided in the dust collecting bin and the expansion bin, and the filter structure is located between the dust cleaning structure and the dust collecting structure, the dust collecting structure is provided with an ash discharge port, and a gate valve is installed at the ash discharge port.

[0006] Furthermore, the first smoke inlet pipe and the first smoke exhaust pipe are respectively provided with a first control valve and a first fan, and the first control valve and the first fan are located in the dust collecting bin, and the second smoke inlet pipe and the second smoke exhaust pipe are respectively provided with a second control valve and a second fan, and the second control valve and the second fan are located in the expansion bin.

[0007] Furthermore, the dust collecting bin and the expansion bin are provided with detachable bin plates on the sides of the flanges, respectively.

[0008] Furthermore, a sealing member is provided at the connection position between the capacity expansion bin and the dust collection bin.

[0009] Furthermore, a limiting platform is provided in the second smoke inlet pipe, and a sealing ring is attached to the limiting platform.

[0010] Furthermore, the dust collecting bin and the expansion bin are provided with dust collecting structure positions, which are respectively cone-shaped, and the dust discharge port is located at the bottom of the cone.

[0011] Furthermore, the filtering structure is configured as a filter bag filtering structure, and the cleaning structure is configured as a pulse cleaning structure.

[0012] Beneficial effects of the utility model:

[0013] The utility model provides an expansion dust collecting device, including a dust collecting bin and an expansion bin, the front end of the dust collecting bin is provided with a first smoke inlet pipe, the rear end of the dust collecting bin is provided with a first smoke exhaust pipe, the front end of the expansion bin is provided with a second smoke inlet pipe, the rear end of the expansion bin is provided with a second smoke exhaust pipe, and the first smoke exhaust pipe and the second smoke exhaust pipe are respectively matched with the second smoke inlet pipe, so that the first smoke exhaust pipe and the second smoke exhaust pipe can respectively extend into the second smoke inlet pipe to achieve a sleeve connection, the dust collecting bin is provided with a side of the first smoke exhaust pipe, and the expansion bin is provided with a second smoke inlet pipe One side of the expansion bin and the side of the second smoke exhaust pipe are respectively provided with flanges, and the expansion bin is fixedly connected to the dust collecting bin through the flange to achieve expansion. The dust collecting bin and the expansion bin are respectively provided with a cleaning structure, a filtering structure and a dust collecting structure, the filtering structure is located between the cleaning structure and the dust collecting structure, the dust collecting structure is provided with an ash discharge port, and a gate valve is installed at the ash discharge port. The utility model has a simple structure and a reasonable design. A plurality of expansion bins are fixedly connected behind the dust collecting bin through a flange, so that expansion can be carried out based on processing needs to achieve better processing effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] 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.

[0015] Figure 1 It is a schematic diagram of the structure of some embodiments of the utility model;

[0016] Figure 2 It is a schematic diagram of the connection between the first smoke exhaust pipe member / the second smoke exhaust pipe member and the second smoke inlet pipe member in some embodiments of the utility model.

[0017] The reference numerals are:

[0018] Dust collecting bin 1, first smoke inlet pipe 11, expansion bin 2, second smoke inlet pipe 21, limit platform 211, sealing ring 212, second smoke exhaust pipe 22, flange 3, ash cleaning structure 4, filtering structure 5, dust collecting structure 6, ash exhaust port 61, valve 62, first fan 7, second fan 8. DETAILED DESCRIPTION

[0019] 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.

[0020] 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.

[0021] 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.

[0022] 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.

[0023] 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.

[0024] 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.

[0025] See also Figure 1-Figure 2 As shown, the expansion dust collecting device described in this embodiment includes a dust collecting bin 1 and an expansion bin 2, the front end of the dust collecting bin 1 is provided with a first smoke inlet pipe 11, the rear end of the dust collecting bin 1 is provided with a first smoke exhaust pipe, the front end of the expansion bin 2 is provided with a second smoke inlet pipe 21, the rear end of the expansion bin 2 is provided with a second smoke exhaust pipe 22, and the first smoke exhaust pipe and the second smoke exhaust pipe 22 are respectively matched with the second smoke inlet pipe 21, so that the first smoke exhaust pipe and the second smoke exhaust pipe 22 can respectively extend into the second smoke inlet pipe 21 to achieve a sleeve connection, so The dust collecting bin 1 is provided with one side of the first smoke exhaust pipe fitting, the expansion bin 2 is provided with one side of the second smoke inlet pipe fitting 21, and the expansion bin 2 is provided with one side of the second smoke exhaust pipe fitting 22, and flanges 3 are respectively provided. The expansion bin 2 is fixedly connected to the dust collecting bin 1 through the flange 3 to achieve capacity expansion. The dust collecting bin 1 and the expansion bin 2 are respectively provided with a cleaning structure 4, a filtering structure 5 and a dust collecting structure 6. The filtering structure 5 is located between the cleaning structure 4 and the dust collecting structure 6. The dust collecting structure 6 is provided with an ash discharge port 61, and a gate valve is installed at the ash discharge port 61.

[0026] This embodiment has a simple structure and a reasonable design. A plurality of expansion bins 2 are fixedly connected behind the dust collecting bin 1 through a flange 3 so as to expand the capacity based on processing needs and achieve a better processing effect.

[0027] Specifically, in this embodiment, the filtering structure 5 is configured as a filter bag filtering structure 5 , and the cleaning structure 4 is configured as a pulse cleaning structure 4 .

[0028] In this embodiment, the filter bag structure in the prior art is used for filtering, and the pulse cleaning structure 4 is used for cleaning. The dust formed during the treatment can be discharged from the dust discharge port 61 regularly.

[0029] In some embodiments, the first smoke inlet pipe 11 and the first smoke exhaust pipe are respectively provided with a first control valve and a first fan 7, and the first control valve and the first fan 7 are located in the dust collecting bin 1, and the second smoke inlet pipe 21 and the second smoke exhaust pipe 22 are respectively provided with a second control valve and a second fan 8, and the second control valve and the second fan 8 are located in the expansion bin 2.

[0030] Specifically, the dust collecting bin 1 and the expansion bin 2 are provided with detachable bin plates on the sides of the flange 3 .

[0031] In this embodiment, the fan and the control valve are arranged in the bin, and one side of the bin plate is a detachable bin plate, so that installation and maintenance are convenient, and the integrity of the structure is good, which is more convenient for expansion.

[0032] In some embodiments, a seal is provided at the connection position between the capacity expansion bin 2 and the dust collection bin 1 .

[0033] In this embodiment, a sealing structure may be attached to one of the flanges 3 at the connection position to seal the connection.

[0034] In some embodiments, a limiting platform 211 is disposed in the second smoke inlet pipe 21 , and a sealing ring 212 is attached to the limiting platform 211 .

[0035] In this embodiment, by setting a limit platform 211 and a sealing ring 212, after expansion, the first smoke exhaust pipe fitting / the second smoke exhaust pipe fitting 22 extends into the second smoke inlet pipe fitting 21, and when the sleeve connection is achieved, the sealing of the connection can be ensured, thereby ensuring the overall treatment effect.

[0036] In some embodiments, the dust collecting bin 1 and the expansion bin 2 are provided with dust collecting structures 6, which are respectively cone-shaped, and the dust discharge port 61 is located at the bottom of the cone.

[0037] In this embodiment, the cone shape is provided to facilitate cleaning and dust discharge, and is easy to use.

[0038] 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 dust collecting device with expanded capacity, characterized in that: The smoke exhaust pipe is an airtight container and a filter is provided at the rear end of the dust collecting bin and the filter is provided at the rear end of the dust collecting bin and the filter is provided at the front end of the dust collecting bin and the filter is provided at the rear end of the dust collecting bin and the filter is provided at the rear end of the dust collecting bin and the filter is provided at the rear end of the dust collecting bin and the first and second smoke exhaust pipes are respectively matched with the second smoke inlet pipe so that the first and second smoke exhaust pipes can respectively extend into the second smoke inlet pipe to achieve a sleeve connection. The dust collecting bin is provided with a side of the first smoke exhaust pipe, the expansion bin is provided with a side of the second smoke inlet pipe and the expansion bin is provided with a side of the second smoke exhaust pipe, and flanges are respectively provided. The expansion bin is fixedly connected to the dust collecting bin through the flange to achieve capacity expansion. A dust cleaning structure, a filter structure and a dust collecting structure are respectively provided in the dust collecting bin and the expansion bin, the filter structure is located between the dust cleaning structure and the dust collecting structure, the dust collecting structure is provided with an ash discharge port, and a gate valve is installed at the ash discharge port.

2. The dust collecting device with expanded capacity according to claim 1, characterized in that: The first smoke inlet pipe and the first smoke exhaust pipe are respectively provided with a first control valve and a first fan, and the first control valve and the first fan are located in the dust collecting bin. The second smoke inlet pipe and the second smoke exhaust pipe are respectively provided with a second control valve and a second fan, and the second control valve and the second fan are located in the expansion bin.

3. The dust collecting device with expanded capacity according to claim 2, characterized in that: The dust collecting bin and the expansion bin are provided with detachable bin plates on the sides of the flanges.

4. The dust collecting device with expanded capacity according to claim 1, characterized in that: A sealing member is provided at the connection position between the capacity expansion bin and the dust collection bin.

5. The dust collecting device with expanded capacity according to claim 1, characterized in that: A limiting platform is arranged inside the second smoke inlet pipe, and a sealing ring is attached to the limiting platform.

6. The dust collecting device with expanded capacity according to claim 1, characterized in that: The dust collecting bin and the expansion bin are provided with dust collecting structures, which are respectively cone-shaped, and the dust discharge port is located at the bottom of the cone.

7. The dust collecting device with expanded capacity according to claim 1, characterized in that: The filtering structure is configured as a filter bag filtering structure, and the cleaning structure is configured as a pulse cleaning structure.

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