Cooling device for heating furnace

Abstract

The cooling device for the heating furnace comprises a conductive furnace end, the conductive furnace end is provided with a cooling hole set and a communicating hole set, the cooling hole set comprises a plurality of cooling holes extending from one end of the conductive furnace end in the axis direction of the conductive furnace end, and the communicating hole set comprises a plurality of communicating holes used for communicating the cooling holes; a sealing assembly for sealing the cooling hole group is arranged at the opening end of the cooling hole group; a water inlet and outlet assembly is arranged on one side of the conductive furnace end and communicates with the cooling hole set. The cooling cavity is formed by the cooling hole and the communicating hole, when cooling is needed, cooling water is introduced into the cooling hole through the water inlet and outlet assembly, and the cooling water flows out through the water inlet and outlet assembly after entering the cooling cavity, so that the conductive furnace end is cooled, and spraying outside the conductive furnace end is not needed; and therefore, the situations that steam diffuses after the cooling water is heated and the cooling water flows into the furnace body to cause oxidative damage are avoided, and the use experience and the cooling efficiency are effectively improved.

Description

Technical Field

[0001] The present application relates to the technical field of furnace head structures of heating furnaces, and in particular to a cooling device for heating furnaces. Background Art

[0002] A graphitization furnace is a heating furnace, which is mainly used for sintering and graphitization of carbon materials, purification of graphite powder and high-temperature treatment of other graphitized materials. It generally includes a heating furnace and a conductive burner head arranged in the heating furnace. The conductive burner head is generally an electrode, and its operating temperature reaches thousands of degrees. Therefore, a corresponding cooling device needs to be set up when the graphitization furnace is in operation. Conventional graphitization furnaces usually use external cooling water to cool the conductive burner head. However, this cooling method will cause cooling water to diffuse in the production environment, affecting the staff; on the other hand, cooling water can easily enter the furnace body, causing oxidation or even damage to the furnace body. Utility Model Content

[0003] In order to improve the problem of cooling water diffusion when cooling a graphitization furnace in the related art, the utility model provides a cooling device for a heating furnace.

[0004] A cooling device for a heating furnace comprises a conductive furnace head, the conductive furnace head is provided with a cooling hole group and a connecting hole group, the cooling hole group comprises a plurality of cooling holes extending from one end of the conductive furnace head along the axial direction of the conductive furnace head, the connecting hole group comprises a plurality of connecting holes for connecting a plurality of cooling holes; a closing component for closing the cooling hole group is provided at the open end of the cooling hole group; a water inlet and outlet component is provided on one side of the conductive furnace head, the water inlet and outlet component is connected with the cooling hole group.

[0005] Furthermore, there are four cooling holes evenly distributed on the end surface of the conductive furnace head, and the four cooling holes are parallel to each other; the four cooling holes are respectively a first cooling hole, a second cooling hole, a third cooling hole and a fourth cooling hole which are adjacent to each other in sequence.

[0006] Furthermore, there are three connecting holes, which are respectively a first connecting hole, a second connecting hole and a third connecting hole; the first connecting hole is connected to the ends of the first cooling hole and the second cooling hole; the second connecting hole is connected to the upper ends of the second cooling hole and the third cooling hole; the third connecting hole is connected to the ends of the third cooling hole and the fourth cooling hole.

[0007] Furthermore, the water inlet and outlet assembly includes a water inlet pipe and a water outlet pipe arranged on the conductive furnace head; the water inlet pipe is connected to the upper end of the first cooling hole, and the water outlet pipe is connected to the end of the fourth cooling hole.

[0008] Furthermore, the conductive burner head is provided with a water inlet mounting hole for installing the water inlet pipe, a water inlet connecting piece is provided in the water inlet mounting hole, and the water inlet pipe is passed through the water inlet connecting piece; the conductive burner head is provided with a water outlet mounting hole for installing the water outlet pipe, and the water outlet pipe is passed through the water outlet mounting hole.

[0009] Furthermore, the closing component is arranged at one end of the conductive furnace head, and the closing component includes a plurality of closing end covers connected to the conductive furnace head, and the closing end covers are buckled and fixed to one end of the cooling hole group.

[0010] Furthermore, it also includes a detection and control component, which includes a temperature measuring component for detecting the temperature of the conductive burner, and the temperature measuring component is arranged on one side of the conductive burner; the detection and control component also includes a water inlet valve arranged on the water inlet pipe.

[0011] The utility model has the following advantages:

[0012] 1. The utility model is a cooling device for a heating furnace. A plurality of cooling holes are punched in a conductive furnace head and connected by connecting holes. The cooling hole group is closed by a closing component, and a cooling cavity is formed by the cooling holes and the connecting holes. During cooling, cooling water is introduced into the cooling holes through the water inlet and outlet components. After the cooling water enters the cooling cavity, it flows out through the water inlet and outlet components to cool the conductive furnace head. There is no need to spray the outside of the conductive furnace head, thereby avoiding the diffusion of cooling water and the oxidation damage caused by the cooling water flowing into the furnace body, effectively improving the user experience and cooling efficiency.

[0013] 2. In the cooling device for a heating furnace of the utility model, the cooling hole groups are arranged in sequence and connected end to end through the connecting hole groups, so that the cooling water can cover the entire cooling cavity for cooling after entering, ensuring the contact area between the cooling water and the conductive furnace head, thereby improving the cooling efficiency.

[0014] 3. The cooling device for the heating furnace of the utility model is also provided with a detection control component. After the temperature of the conductive furnace head is detected by the temperature measuring component, the flow rate of the cooling water is controlled by the water inlet valve according to the detection result, so as to accelerate the inflow of cooling water to reduce the temperature at high temperature, and slow down the inflow of cooling water to achieve energy saving at low temperature, thereby ensuring that the conductive furnace head operates at a suitable temperature while achieving safety and energy saving;

[0015] 4. The cooling device for the heating furnace of the utility model adopts a non-through design for the cooling hole group, which can prevent the cooling water from leaking out of the furnace head when cooling water is introduced into the cooling hole group. Especially when multiple furnace heads are spliced, the non-through cooling hole group can avoid the water leakage problem caused by the interconnection between the furnace heads. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a distribution diagram of a cooling device for a heating furnace according to an embodiment of the present application;

[0018] Figure 2 for Figure 1 Schematic diagram of the cross section in the AA direction;

[0019] Figure 3 for Figure 2 A partial enlarged schematic diagram of part A;

[0020] Figure 4 for Figure 1 Schematic diagram of the cross section in the BB direction;

[0021] Figure 5 for Figure 1 Schematic diagram of the cross section in the CC direction.

[0022] Description of reference numerals:

[0023] 1. Conductive furnace head; 11. Cooling hole group; 111. First cooling hole; 112. Second cooling hole; 113. Third cooling hole; 114. Fourth cooling hole; 12. Connecting hole group; 121. First connecting hole; 122. Second connecting hole; 123. Third connecting hole; 2. Closing assembly; 21. Closing end cover; 3. Inlet and outlet water assembly; 31. Water inlet pipe; 32. Water outlet pipe; 33. Water inlet connector; 4. Detection and control assembly; 41. Temperature measuring component; 42. Water inlet valve. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0025] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0027] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0028] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0029] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0030] Reference Figure 1 and Figure 2 A cooling device for a heating furnace comprises a conductive furnace head 1, wherein the conductive furnace head 1 is provided with a cooling hole group 11 and a connecting hole group 12, wherein the cooling hole group 11 comprises a plurality of cooling holes extending from one end of the conductive furnace head 1 along the axial direction of the conductive furnace head 1, and the connecting hole group 12 comprises a plurality of connecting holes for connecting a plurality of cooling holes; a closing component 2 for closing the cooling hole group 11 is provided at the open end of the cooling hole group 11; a water inlet and outlet component 3 is provided on one side of the conductive furnace head 1, and the water inlet and outlet component 3 is connected with the cooling hole group 11.

[0031] Reference Figure 2 , Figure 4 and Figure 5 Specifically, in this embodiment, there are four cooling holes evenly distributed on the end surface of the conductive furnace head 1, and the cooling holes extend from one end of the conductive furnace head 1 in the length direction to the other end of the conductive furnace head 1 in the length direction. The four cooling holes are parallel to each other and are non-through holes. The four cooling holes are respectively the first cooling hole 111, the second cooling hole 112, the third cooling hole 113 and the fourth cooling hole 114 which are adjacent to each other in sequence. Correspondingly, there are three connecting holes, which are respectively the first connecting hole 121, the second connecting hole 122 and the third connecting hole 123; the first connecting hole 121 is connected to the ends of the first cooling hole 111 and the second cooling hole 112; the second connecting hole 122 is connected to the upper ends of the second cooling hole 112 and the third cooling hole 113; the third connecting hole 123 is connected to the ends of the third cooling hole 113 and the fourth cooling hole 114.

[0032] By arranging the cooling hole group 11 and the connecting hole group 12 in this way, the connecting hole group 12 makes the cooling hole group 11 connected end to end to form a cooling cavity with a larger volume, and when the cooling water enters the cooling cavity, the contact area with the conductive furnace head 1 can be guaranteed, thereby improving the utilization efficiency of the cooling water and the cooling rate. It can be understood that the number of cooling holes and connecting holes can be increased or decreased according to actual needs.

[0033] Reference Figure 2 and Figure 3The water inlet and outlet assembly 3 includes a water inlet pipe 31 and a water outlet pipe 32 provided on the conductive burner 1; the water inlet pipe 31 is connected to the upper end of the first cooling hole 111, and the water outlet pipe 32 is connected to the end of the fourth cooling hole 114. In order to facilitate the installation of the water inlet pipe 31 and the water outlet pipe 32, the conductive burner 1 is provided with a water inlet installation hole for installing the water inlet pipe 31, and a water inlet connector 33 is provided in the water inlet installation hole. The water inlet connector 33 can be connected to the water inlet installation hole by threaded connection. The water inlet pipe 31 is connected to the first cooling hole 111 after being passed through the water inlet connector 33. Similarly, the conductive burner 1 is provided with a water outlet installation hole for installing the water outlet pipe 32, and the water outlet pipe 32 is connected to the fourth cooling hole 114 after being passed through the water outlet installation hole.

[0034] The closing component 2 is arranged at one end of the conductive burner head 1, and the closing component 2 includes a plurality of closed end covers 21 connected to the conductive burner head 1. The number of the closed end covers 21 is the same as the number of the cooling holes and corresponds one to one. The closed end covers 21 are buckled and fixed to one end of the cooling hole group 11. In the present embodiment, the closed end cover 21 is installed with the conductive burner head 1 by means of a threaded connection for easy disassembly, and a sealing rubber ring can be added between the closed end cover 21 and the cooling hole to increase the airtightness.

[0035] In addition, the cooling device also includes a detection control component 4, which includes a temperature measuring component 41 for detecting the temperature of the conductive burner 1 and a water inlet valve 42 for controlling the water flow of the water inlet pipe 31. The temperature measuring component 41 is arranged on one side of the conductive burner 1 to detect the temperature of the conductive burner 1. It should be noted that a plurality of temperature measuring components 41 can be arranged along the circumferential direction of the conductive burner 1 to obtain temperature values ​​at multiple locations of the conductive burner 1. The water inlet valve 42 is arranged on the water inlet pipe 31. The water inlet valve 42 can be an electric water inlet valve 42. The water inlet valve 42 operates according to the temperature value detected by the temperature measuring component 41: when the temperature value is higher than the preset maximum temperature, the opening of the water inlet valve 42 increases, and the water flow is increased to accelerate cooling; when the temperature value is lower than the preset minimum temperature, the opening of the water inlet valve 42 decreases, and the water flow is reduced to achieve energy saving.

[0036] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0037] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A cooling device for a heating furnace, characterized in that: The invention comprises a conductive furnace head (1), wherein the conductive furnace head (1) is provided with a cooling hole group (11) and a connecting hole group (12), wherein the cooling hole group (11) comprises a plurality of cooling holes extending from one end of the conductive furnace head (1) along the axial direction of the conductive furnace head (1), and the connecting hole group (12) comprises a plurality of connecting holes for connecting a plurality of cooling holes; a closing component (2) for closing the cooling hole group (11) is provided at the open end of the cooling hole group (11); and a water inlet and outlet component (3) is provided on one side of the conductive furnace head (1), and the water inlet and outlet component (3) is connected to the cooling hole group (11).

2. A cooling device for a heating furnace according to claim 1, characterized in that: There are four cooling holes evenly distributed on the end surface of the conductive furnace head (1), and the four cooling holes are parallel to each other; the four cooling holes are respectively a first cooling hole (111), a second cooling hole (112), a third cooling hole (113), and a fourth cooling hole (114) which are adjacent to each other in sequence.

3. A cooling device for a heating furnace according to claim 2, characterized in that: There are three connecting holes, which are respectively a first connecting hole (121), a second connecting hole (122) and a third connecting hole (123); the first connecting hole (121) is connected to the ends of the first cooling hole (111) and the second cooling hole (112); the second connecting hole (122) is connected to the upper ends of the second cooling hole (112) and the third cooling hole (113); the third connecting hole (123) is connected to the ends of the third cooling hole (113) and the fourth cooling hole (114).

4. A cooling device for a heating furnace according to claim 3, characterized in that: The water inlet and outlet assembly (3) comprises a water inlet pipe (31) and a water outlet pipe (32) which are arranged on the conductive furnace head (1); the water inlet pipe (31) is connected to the upper end of the first cooling hole (111), and the water outlet pipe (32) is connected to the end of the fourth cooling hole (114).

5. A cooling device for a heating furnace according to claim 4, characterized in that: The conductive burner (1) is provided with a water inlet installation hole for installing the water inlet pipe (31), a water inlet connector (33) is provided in the water inlet installation hole, and the water inlet pipe (31) is passed through the water inlet connector (33); the conductive burner (1) is provided with a water outlet installation hole for installing the water outlet pipe (32), and the water outlet pipe (32) is passed through the water outlet installation hole.

6. A cooling device for a heating furnace according to any one of claims 1 to 5, characterized in that: The closing component (2) is arranged at one end of the conductive furnace head (1), and the closing component (2) comprises a plurality of closing end covers (21) connected to the conductive furnace head (1), and the closing end covers (21) are buckled and fixed to one end of the cooling hole group (11).

7. A cooling device for a heating furnace according to claim 4 or 5, characterized in that: It also comprises a detection control component (4), the detection control component (4) comprising a temperature measuring component (41) for detecting the temperature of the conductive burner (1), the temperature measuring component (41) being arranged on one side of the conductive burner (1); the detection control component (4) further comprises a water inlet valve (42) arranged on the water inlet pipe (31).

Images