Kiln tail rapid cooling structure

Abstract

The utility model discloses a kiln tail rapid cooling structure which comprises an air inlet device, the air inlet device comprises an air conveying pipeline and an air knife, the air conveying pipeline comprises a main pipeline and a plurality of branch pipelines connected with the main pipeline, the air outlet ends of the branch pipelines are connected with the air inlet end of the air knife, the two ends of the air knife are provided with air outlet holes, and the air outlet holes are communicated with the main pipeline. A first inclined surface and a second inclined surface are respectively arranged on two sides of the top of the air knife, and are arranged in a stepped manner; when air is sprayed out from the two ends of the air knife, peripheral airflow is driven, and airflow around the air knife is entrained to rapidly flow on the first inclined plane and the second inclined plane, so that airflow in the kiln rapidly flows, the aim of accelerating convective heat exchange is achieved, and the cooling efficiency of the kiln tail is improved; in addition, after the gas passes through the first inclined plane and the second inclined plane, the contact area of the gas and the product is increased, so that the gas in the same atmosphere rapidly washes the product in the kiln tail, and the purpose of rapidly cooling the product is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to kiln technical field especially relates to a kiln tail rapid cooling structure. BACKGROUND

[0002] The product temperature is higher in the kiln tail of the tunnel kiln, carries more heat, therefore needs to set up heat exchange device, carries out cooling to the product and replaces the heat storage simultaneously, reaches the purpose that reduces heat loss.

[0003] In order to improve the heat exchange effect, there are various heat exchange devices, and the heat exchange device includes at least an air inlet device, although the air inlet efficiency of the air inlet device is greater, the air flow rate in the kiln tail is difficult to further improve, and the excessive heat of the product cannot be carried away, therefore, further improvement is needed. UTILITY MODEL CONTENT

[0004] The utility model discloses a kiln tail rapid cooling structure, and solves the problems in the background technical field.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kiln tail rapid cooling structure, including air inlet device, the air inlet device includes gas pipeline and air knife, the gas pipeline includes main pipeline and the branch pipeline connected with main pipeline, the branch pipeline's air outlet end is connected with the air inlet end of air knife, both ends of air knife are equipped with the air outlet hole, and the top both sides of air knife are equipped with first inclined plane, second inclined plane respectively, first inclined plane and second inclined plane are arranged in ladder type.

[0007] Preferably, the main pipeline is distributed with several mounting plates along the length direction, the mounting plate is clamped on the main pipeline, and the mounting plate is used for connecting the kiln.

[0008] Preferably, the air inlet end of the main pipeline is provided with a total ball valve and a flowmeter.

[0009] Preferably, the air inlet end of the main pipeline is connected with a compensation pipe.

[0010] Preferably, the branch pipeline and air knife are further provided with a conveying pipe, the conveying pipe is vertically arranged, and the conveying pipe is further provided with a branch ball valve.

[0011] Preferably, the end of the first inclined plane is provided with a first tangent plane along the horizontal, the end of the second inclined plane is provided with a second tangent plane along the horizontal, and the first tangent plane and the second tangent plane are not on the same horizontal plane, so that the first tangent plane and the second tangent plane are arranged in a ladder type.

[0012] Preferably, the inclination angle of the first inclined plane is different from the inclination angle of the second inclined plane.

[0013] Compared with the prior art, the technical scheme provides a kiln tail rapid cooling structure: by arranging an air inlet device at the kiln tail, the air inlet device comprises a gas conveying pipeline and an air knife, the air inlet end of the air knife is connected with the gas conveying pipeline, gas is discharged from the gas outlet holes at both ends of the air knife to realize air inlet; the top of the air knife is provided with a first inclined surface and a second inclined surface arranged in a stepped manner on both sides, when the gas is sprayed from both ends of the air knife, the peripheral airflow is driven to flow rapidly on the first inclined surface and the second inclined surface, so that the airflow in the kiln is rapidly flowed, the purpose of accelerating the convection heat exchange is achieved, and the cooling efficiency of the kiln tail is improved; in addition, the area of the gas contacting the product is increased after the gas passes through the first inclined surface and the second inclined surface, so that the product in the kiln tail is rapidly washed by the ambient gas, and the purpose of rapidly cooling the product is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0015] Fig. 1 is the main view angle structure schematic diagram in the present application.

[0016] Fig. 2 is the perspective view structure schematic diagram in the present application.

[0017] Fig. 3 is the explosion schematic diagram of the connecting rod mechanism in the present application.

[0018] Combining the labels shown in the drawings: gas conveying pipeline 10, main pipeline 11, branch pipeline 12, air knife 20, gas outlet hole 201, first inclined surface 202, second inclined surface 203, first section 204, second section 205, mounting plate 30, total ball valve 40, flow meter 50, compensation pipe 60, conveying pipe 70. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the utility model clearer, the technical scheme in the embodiment of the utility model will be described clearly and completely in combination with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. All other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model. The preferred embodiment of the utility model will be described in more detail below with reference to the drawings. Although the preferred embodiment of the utility model is shown in the drawings, it should be understood that the utility model can be realized in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the utility model more thorough and complete and to convey the scope of the utility model to the person skilled in the art completely.

[0020] The terms used in the utility model are only for the purpose of describing the specific embodiments, not for limiting the utility model. The singular form "a", "said" and "the" used in the utility model and the appended claims are also intended to include the plural form, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein means and includes any or all possible combinations of one or more associated listed items.

[0021] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0022] In the description of the utility model, it should be understood that the terms "thickness", "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, not indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0023] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "link", "connection" should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;It can be direct connection, also can be indirectly connected through the intermediate medium, it can be the communication of two elements or the interaction of two elements.For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0024] It should be understood that although the utility model can adopt the terms "first", "second", "third" and the like to describe various components, these information should not be limited to these terms.The terms are only used to distinguish components of the same type from each other.For example, without departing from the scope of the utility model, the first component can also be referred to as the second component, and similarly, the second component can also be referred to as the first component.Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more features.In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise explicitly specified.

[0025] The technical scheme of the embodiment of the utility model is described in detail below with reference to the drawings.

[0026] Reference Figs. 1 to 3 A kiln tail rapid cooling structure, including air inlet device, wherein, the air inlet device includes gas pipeline 10 and gas knife 20, the gas pipeline 10 includes main pipeline 11 and multiple branch pipelines 12 connected with main pipeline 11, the air outlet end of branch pipeline 12 is connected with the air inlet end of gas knife 20, both ends of gas knife 20 are equipped with air outlet hole 201, and the top of gas knife 20 is equipped with first inclined plane 202 and second inclined plane 203 respectively, and the first inclined plane 202 and second inclined plane 203 are arranged in a stepped manner;

[0027] In actual application, by setting air inlet device at kiln tail, the air inlet device includes gas pipeline 10 and gas knife 20, and the air inlet end of gas knife 20 is connected with gas pipeline 10, the gas is discharged from air outlet hole 201 at both ends of gas knife 20 to realize air inlet;The top of gas knife 20 is equipped with first inclined plane 202 and second inclined plane 203 arranged in a stepped manner respectively, when the gas is sprayed from both ends of gas knife 20, the surrounding airflow is driven to flow rapidly on first inclined plane 202 and second inclined plane 203, so that the airflow in the kiln flows rapidly, the purpose of accelerating convective heat transfer is achieved, and the cooling efficiency of kiln tail is improved;In addition, after the gas passes through first inclined plane 202 and second inclined plane 203, the area of the gas contacting the product is increased, so that the product in the kiln tail is rapidly washed by the ambient gas, and the purpose of rapidly cooling the product is achieved.

[0028] Specifically, the main pipeline 11 is distributed with several installation plates 30 along the length direction, the installation plates 30 are clamped connected to the main pipeline 11, and the installation plates 30 are used for connecting the kiln.

[0029] Specifically, the gas inlet end of the main pipeline 11 is provided with a total ball valve 40 and a flow meter 50, the total ball valve 40 is a gas valve used for controlling the main pipeline 11, and the flow meter 50 is used for calculating the gas flow of the main pipeline 11.

[0030] Specifically, the gas inlet end of the main pipeline 11 is connected with a compensation pipe 60.

[0031] Specifically, the branch pipeline 12 and the air knife 20 are further provided with a conveying pipe 70, the conveying pipe 70 is vertically arranged, and the conveying pipe 70 is further provided with a partial ball valve 80, the conveying pipe 70 of different areas can be opened and closed according to the needs, so that the gas output of the air knife 20 in different areas can be realized.

[0032] Specifically, the end of the first inclined surface 202 is horizontally provided with a first tangent surface 204, the end of the second inclined surface 203 is horizontally provided with a second tangent surface 205, the first tangent surface 204 and the second tangent surface 205 are not on the same horizontal plane, so that the first tangent surface 204 and the second tangent surface 205 are arranged in a stepped manner, and the inclination angle of the first inclined surface 202 and the inclination angle of the second inclined surface 203 are different; the uniform flow of the sprayed gas and the perfect distribution of the gas pressure along the entire length of the air knife are ensured, the surrounding gas is further disturbed, and the surrounding gas can be effectively conveyed.

[0033] The scheme of the present application has been described in detail above with reference to the drawings. In the above-described embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments. Those skilled in the art should also know that the acts and modules involved in the specification are not necessarily required by the present application. In addition, it can be understood that the steps in the method of the embodiments of the present application can be adjusted, combined and reduced in sequence according to actual needs, and the structures in the device of the embodiments of the present application can be combined, divided and reduced according to actual needs.

[0034] The above has described the various embodiments of the present application, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles, practical applications or improvements to the technology in the market of the embodiments, or to enable other ordinary skilled persons in the art to understand the embodiments disclosed herein.

Claims

1. A kiln tail rapid cooling structure comprising an air inlet device, characterized in that: The air inlet device comprises a gas conveying pipe (10) and an air knife (20), the gas conveying pipe (10) comprises a main pipe (11) and a plurality of branch pipes (12) connected with the main pipe (11), the air outlet end of the branch pipe (12) is connected with the air inlet end of the air knife (20), the air knife (20) is provided with air outlet holes (201) at both ends, and the top sides of the air knife (20) are respectively provided with a first inclined surface (202) and a second inclined surface (203), the first inclined surface (202) and the second inclined surface (203) are arranged in a stepped manner.

2. The rapid cooling structure of the kiln tail according to claim 1, characterized in that: The main pipe (11) is provided with a plurality of mounting plates (30) along the length direction, the mounting plates (30) are clamped on the main pipe (11), and the mounting plates (30) are used for connecting the kiln.

3. The rapid cooling structure of the kiln tail according to claim 1, characterized in that: The air inlet end of the main pipe (11) is provided with a total ball valve (40) and a flowmeter (50).

4. The rapid cooling structure of the kiln tail according to claim 1, characterized in that: The air inlet end of the main pipe (11) is connected with a compensation pipe (60).

5. The rapid cooling structure of the kiln tail according to claim 1, characterized in that: The branch pipe (12) and the air knife (20) are further provided with a conveying pipe (70), the conveying pipe (70) is vertically arranged, and the conveying pipe (70) is further provided with a branch ball valve (80).

6. The rapid cooling structure of the kiln tail according to claim 1, characterized in that: The end of the first inclined surface (202) is horizontally provided with a first tangent surface (204), the end of the second inclined surface (203) is horizontally provided with a second tangent surface (205), the first tangent surface (204) and the second tangent surface (205) are not on the same horizontal plane, so that the first tangent surface (204) and the second tangent surface (205) are arranged in a stepped manner.

7. The rapid cooling structure of the kiln tail according to claim 1, characterized in that: The inclination angle of the first inclined surface (202) is different from the inclination angle of the second inclined surface (203).

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