Anti-wear wall, industrial furnace and construction method of anti-wear wall

Abstract

The present invention relates to the technical field of industrial furnace anti-wear, and specifically provides an anti-wear wall, an industrial furnace, and a construction method for the anti-wear wall. The anti-wear wall comprises: a plurality of prefabricated parts; the prefabricated parts are provided with a first connecting portion for connecting to the inner wall of the industrial furnace; the prefabricated parts are also provided with a positioning mechanism, and the prefabricated parts are sequentially spliced ​​together by the positioning mechanism to form the wall. The present invention effectively solves the problems of the prior art in that the anti-wear structure of the inner wall of the industrial furnace is heavy, difficult to construct, easy to fall off, and requires the construction of brackets and molds for the overall cast-in-place process, which leads to a cumbersome process. The present invention achieves the goals of simplifying the construction process, expediting the replacement of secondary wear, and saving time and effort.

Description

Technical Field

[0001] The present invention relates to the technical field of anti-wear of industrial furnaces, and in particular to an anti-wear wall, an industrial furnace and a construction method of the anti-wear wall. Background Art

[0002] Industrial furnaces are often used in industrial manufacturing to calcine materials. These are thermal equipment that utilizes heat from combustion or electrical energy conversion to heat workpieces. However, during use, slag or particulate matter often causes long-term wear on the furnace's inner walls, seriously impacting the equipment's performance. For example, in metallurgical blast furnace granulation towers, the water quenching chambers installed within them create a high pressure buildup of slag and water, impacting one side of the tower's inner wall. This weakens the tower's steel shell, causing it to become thinner over time and eventually form holes, severely impacting the tower's service life.

[0003] In response to the above problems, the existing protection measures are to weld cast steel plates, paste ceramic patches or integrally cast wear-resistant materials on the inner wall of the industrial furnace to form an anti-wear wall. Among them, the disadvantages of welding cast steel plates are that the whole cast steel plate is heavy and difficult to construct. Large lifting equipment is usually required, and its replacement is difficult. The disadvantages of ceramic patches are that there are many of them, they are inconvenient to paste, the project takes too long, and the ceramic pieces are prone to falling off, and the secondary pasting is not firm. The disadvantages of integrally casting wear-resistant materials are: it is necessary to set up brackets and molds on site, and the process is complicated, time-consuming and labor-intensive; when a certain part is worn again, a second pouring is required at the worn part, and the brackets and molds need to be locally set up during the second pouring. The process is complicated, time-consuming and labor-intensive, and the adhesion of the secondary repair is not good. Summary of the Invention

[0004] The present invention provides an anti-wear wall, an industrial furnace and a construction method for the anti-wear wall, which are used to solve the problems in the prior art that the anti-wear structure of the inner wall of the industrial furnace is heavy, difficult to construct, easy to fall off, and requires the establishment of supports and molds when the whole is cast in situ, which leads to cumbersome procedures; the purpose of simple construction procedures, quick replacement of secondary wear and tear, and time and labor saving is achieved.

[0005] The present invention provides an anti-wear wall, comprising: a plurality of prefabricated parts; the prefabricated parts are provided with a first connecting portion for connecting to the inner wall of an industrial furnace; the prefabricated parts are also provided with a positioning mechanism, and the prefabricated parts are sequentially spliced ​​through the positioning mechanism to form a wall.

[0006] According to the wear-resistant wall provided by the present invention, the prefabricated parts are arc-shaped blocks, and the plurality of prefabricated parts include at least two types of prefabricated parts with different arc curvatures.

[0007] According to the wear-resistant wall provided by the present invention, the multiple prefabricated parts include: a first prefabricated part; a second prefabricated part, and the arc curvature of the first prefabricated part is greater than the arc curvature of the second prefabricated part; the first prefabricated part and the second prefabricated part are spliced ​​in sequence according to a preset arrangement to form a curved wall.

[0008] According to the anti-wear wall provided by the present invention, the positioning mechanism is a male-female positioning mechanism.

[0009] According to the anti-wear wall provided by the present invention, the male and female positioning mechanism includes: a slot, which is opened on one side of the prefabricated part; a clip, which is arranged on the side opposite to the slot; adjacent prefabricated parts are positioned and installed through the slot and the clip.

[0010] According to the wear-resistant wall provided by the present invention, the slot is opened at the outer edge of the prefabricated component, and the clamping strip is provided at the outer edge of the prefabricated component away from the slot.

[0011] According to the anti-wear wall provided by the present invention, the first connecting portion includes: a plug for connecting to a socket on the inner wall of the industrial furnace.

[0012] The present invention also provides an industrial furnace, comprising the aforementioned anti-wear wall and a shell, wherein the anti-wear wall is arranged in an inner cavity of the shell.

[0013] The industrial furnace provided according to the present invention further includes a second connecting portion, which is arranged on the inner wall of the shell and connected to the first connecting portion of the anti-wear wall. The second connecting portion includes: a socket.

[0014] The present invention also provides a construction method for an anti-wear wall, comprising: obtaining the size of an industrial furnace; obtaining the size of a prefabricated part; determining a target number of the plurality of prefabricated parts based on the size of the industrial furnace and the size of the prefabricated parts; connecting all the prefabricated parts to the inner wall of the industrial furnace through a first connecting part, and splicing two adjacent prefabricated parts in sequence through a positioning mechanism.

[0015] According to the construction method of the anti-wear wall provided by the present invention, the size of the industrial furnace includes the inner cavity radius of the industrial furnace; the size of the prefabricated part includes the thickness of the prefabricated part, the arc length of the outer surface of the prefabricated part and the arc length of the inner surface of the prefabricated part.

[0016] According to the construction method of the anti-wear wall provided by the present invention, determining the target number of the plurality of prefabricated parts based on the size of the industrial furnace and the size of the prefabricated parts includes: determining a first radius and a second radius, wherein the first radius is the outer radius of the annular structure consisting only of the plurality of first prefabricated parts; and the second radius is the outer radius of the annular structure consisting only of the plurality of second prefabricated parts;

[0017] comparing the first radius, the second radius, and the inner cavity radius;

[0018] When the first radius is equal to the inner cavity radius, determining a first number of the first preforms based on a first relationship, and determining the first number of the first preforms as a target number of the plurality of preforms;

[0019] When the second radius is equal to the inner cavity radius, determining a first number of the second preforms based on a second relationship, and determining the first number of the second preforms as a target number of the plurality of preforms;

[0020] When the inner cavity radius is smaller than the second radius and larger than the first radius, a second number of the first preform and a second number of the second preform are determined based on a third relationship, and a sum of the second number of the first preform and the second number of the second preform is determined as a target number of the plurality of preforms.

[0021] According to the construction method of the anti-wear wall provided by the present invention:

[0022] The calculation method of the first radius includes:

[0023]

[0024] The second radius is calculated as follows:

[0025]

[0026] Wherein, R1 in formula (1) represents the first radius, L 1外 is the arc length of the outer surface of the first preform, L 1内 is the arc length of the inner surface of the first preform, and Δ1 is the thickness of the first preform;

[0027] R2 in formula (2) represents the second radius, L 2外 is the arc length of the outer surface of the second preform, L 2内 is the arc length of the inner surface of the second preform, and Δ2 is the thickness of the second preform.

[0028] According to the construction method of the anti-wear wall provided by the present invention:

[0029] The first relationship includes:

[0030]

[0031] The second relationship includes:

[0032]

[0033] The third relationship includes:

[0034]

[0035]

[0036] Wherein, K1 in formula (3) is the first number of the first preforms, R 炉 is the inner cavity radius, L 1外 is the arc length of the outer surface of the first preform;

[0037] In formula (4), K2 is the first number of the second preforms, R 炉 is the inner cavity radius, L 2外 is the arc length of the outer surface of the first preform;

[0038] In formula (5), K3 is the second number of the first preforms, Δ1 is the thickness of the first preform, R1 represents the first radius, R2 represents the second radius, and R 炉 is the inner cavity radius, L 1外 is the arc length of the outer surface of the first preform, L 1内 is the arc length of the inner surface of the first preform;

[0039] In formula (6), K4 is the second number of the second preforms, Δ2 is the thickness of the second preform, R1 represents the first radius, R2 represents the second radius, and R 炉 is the inner cavity radius, L 2外 is the arc length of the outer surface of the second preform, L 2内 is the arc length of the inner surface of the second preform.

[0040] According to the construction method of the anti-wear wall provided by the present invention, all prefabricated parts are connected to the inner wall of the industrial furnace through the first connecting part, and two adjacent prefabricated parts are sequentially spliced ​​through the positioning mechanism, including:

[0041] The plug provided on the prefabricated part and the socket provided on the inner wall of the industrial furnace are matched and installed with each other;

[0042] Two adjacent prefabricated parts are positioned and installed by means of a clamping strip and a clamping slot; a plurality of first prefabricated parts arranged in a continuous manner are arranged between two adjacent second prefabricated parts;

[0043] A slurry is poured into the gaps between the preforms, wherein the material composition of the slurry includes the material composition of the preforms.

[0044] According to the construction method of the anti-wear wall provided by the present invention, a plurality of continuously arranged first prefabricated parts are arranged between the two adjacent second prefabricated parts, including: two continuously arranged first prefabricated parts are arranged between the two adjacent second prefabricated parts, and an angle is set between the first prefabricated parts and the second prefabricated parts with the opening facing the inner cavity of the industrial furnace.

[0045] The anti-wear wall provided by the present invention improves the traditional integral cast anti-wear wall into an anti-wear wall with multiple prefabricated parts spliced ​​and installed, which can effectively solve the problem of needing to set up additional brackets and molds, thereby achieving the purpose of simplifying the process and saving time and labor; at the same time, through the arrangement of multiple prefabricated parts, in the case of secondary wear, only the worn prefabricated parts can be quickly replaced, without the need for secondary local setting up of brackets and molds as in traditional technology, which greatly shortens the repair cycle and also avoids the problem of poor adhesion of secondary repairs; through the splicing arrangement of multiple prefabricated parts, it is possible to avoid using cast steel plates to protect industrial furnaces, thereby avoiding the problem of difficult lifting.

[0046] By setting the first connection part, the connection with the inner wall of the industrial furnace can be achieved, further enhancing the stability of the overall structure of the anti-wear wall; solving the problem of easy falling off of ceramic patches in traditional technology; by setting the positioning mechanism, the prefabricated parts can be quickly engaged and positioned during the installation process, and the connection between the prefabricated parts can also be made tighter and more stable.

[0047] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0049] Figure 1 This is a schematic diagram of the three-dimensional structure of the anti-wear wall and the industrial furnace provided by the present invention;

[0050] Figure 2 This is a schematic diagram of the three-dimensional structure of the anti-wear wall provided by the present invention;

[0051] Figure 3 This is a schematic diagram of the three-dimensional structure of the first prefabricated part provided by the present invention;

[0052] Figure 4is a schematic diagram of the three-dimensional structure of the second prefabricated part provided by the present invention;

[0053] Figure 5 Schematic diagram of a three-dimensional structure of an anti-wear wall formed by combining a first prefabricated part and a second prefabricated part provided by the present invention;

[0054] Figure 6 yes Figure 5 Top view at point E;

[0055] Figure 7 This is a schematic diagram of the three-dimensional structure of the third prefabricated parts provided by the present invention in cooperation with each other;

[0056] Figure 8 This is a schematic diagram of the three-dimensional structure of the first prefabricated parts provided by the present invention cooperating with each other;

[0057] Figure 9 This is a schematic diagram of the three-dimensional structure of the second prefabricated parts provided by the present invention cooperating with each other;

[0058] Figure 10 This is a schematic diagram of the installation position of the inner wall socket of the industrial furnace provided by the present invention;

[0059] Figure 11 This is a schematic diagram of the three-dimensional structure of the socket provided by the present invention;

[0060] Figure 12 This is a comparison diagram of the diameters of the annular anti-wear wall formed by only the first prefabricated member, the second prefabricated member, or the combination of the first prefabricated member and the second prefabricated member provided by the present invention;

[0061] Figure 13 This is a schematic flow chart of the construction method of the wear-resistant wall provided by the present invention;

[0062] Figure 14 is a flow chart of a method for determining a target number of multiple prefabricated parts provided by the present invention;

[0063] Figure 15 It is a schematic flow chart of the method for installing prefabricated parts and forming a wear-resistant wall provided by the present invention.

[0064] Reference numerals:

[0065] 1-first preform; 101-first card strip; 102-first card slot; 103-first plug; 2-second preform; 201-second card strip; 202-second card slot; 203-second plug; 3-third preform; 301-third card strip; 302-third card slot; 4-housing; 5-sleeve. DETAILED DESCRIPTION

[0066] To make the objectives, technical solutions, and advantages of the present invention more clear, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0067] In the description of the embodiments of the present invention, it should be noted that the terms "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended only to facilitate the description of the embodiments of the present invention and to simplify the description. They do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of the present invention. Furthermore, the terms "first," "second," etc., etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0068] In the description of the embodiments of the present invention, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; and direct connections or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on the specific circumstances.

[0069] In the embodiments of the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, a first feature being "above," "above," or "above" a second feature may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "below," "below," or "below" a second feature may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0070] In the description of this specification, the reference terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiment of the present invention. In this specification, the schematic representations of the above terms do 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. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0071] The following combination Figure 1 and Figure 2 The embodiment shown describes the technical solution of the present invention:

[0072] An embodiment of the present invention provides an anti-wear wall, comprising: a plurality of prefabricated parts; a first connecting portion is provided on the prefabricated parts for connecting to the inner wall of an industrial furnace; a positioning mechanism is also provided on the prefabricated parts, and each prefabricated part is spliced ​​in sequence through the positioning mechanism to form a wall.

[0073] In specific applications, prefabricated parts are cast in molds using high-strength ceramic wear-resistant materials, baked at a specific temperature, and finally sintered to form the shape. The mold size can be flexibly determined according to the actual size of the target industrial furnace. The characteristics of ceramic wear-resistant materials are high compressive strength (compressive strength greater than 180MPa) and high wear resistance (wear loss less than 3.5cm 3 In this embodiment, the size of the preform is preferably the size of the first preform 1, which is cast in a mold from a high-strength ceramic wear-resistant material; the first preform is in an arc shape as a whole, and a first clamping strip 101 and a first clamping groove 102 are respectively provided on two opposite sides thereof, and a first plug 103 is fixedly provided on the outer arc surface thereof (see Figure 2 ); The inner wall of the industrial furnace, that is, the inner wall of the shell 4 is provided with a plurality of sockets for cooperating with the first plug 103 for installation, thereby fixing the first prefabricated part in the industrial furnace, that is, the preferred embodiment of the first connecting portion (see Figure 1 ); The first prefabricated parts are sequentially spliced ​​and formed into a wall through a positioning mechanism, preferably a first clamping strip 101 and a first clamping groove 102. The two adjacent first prefabricated parts are installed by staggered crimping of the first clamping strip 101 and the first clamping groove 102, thereby forming an annular anti-wear wall arranged along the inner wall of the industrial furnace, effectively preventing the inner wall of the industrial furnace from being eroded by high-pressure water slag, and improving the service life of the industrial furnace.

[0074] The anti-wear wall provided by the present invention improves the traditional integral cast anti-wear wall into an anti-wear wall with multiple prefabricated parts spliced ​​and installed, which can effectively solve the problem of needing to set up additional brackets and molds, thereby achieving the purpose of simplifying the process and saving time and labor; at the same time, through the arrangement of multiple prefabricated parts, in the case of secondary wear, only the worn prefabricated parts can be quickly replaced, without the need for secondary local setting up of brackets and molds as in traditional technology, which greatly shortens the repair cycle and also avoids the problem of poor adhesion of secondary repairs; through the splicing arrangement of multiple prefabricated parts, it is possible to avoid using cast steel plates to protect industrial furnaces, thereby avoiding the problem of difficult lifting.

[0075] By setting the first connection part, the connection with the inner wall of the industrial furnace can be achieved, further enhancing the stability of the overall structure of the anti-wear wall; solving the problem of easy falling off of ceramic patches in traditional technology; by setting the positioning mechanism, the prefabricated parts can be quickly engaged and positioned during the installation process, and the connection between the prefabricated parts can also be made tighter and more stable.

[0076] According to the embodiment of the present invention, the anti-wear wall is provided. Figure 3 and Figure 4 As shown, the preform is an arc-shaped block, and the plurality of preforms include at least two preforms with different arc curvatures.

[0077] In specific applications, a variety of preforms with different arc curvatures can be produced by molds with different arc curvatures. In this embodiment, two preforms with different arc curvatures are preferably produced, namely a first preform 1 and a second preform 2, wherein the curvature of the first preform 1 is greater than the curvature of the second preform 2, that is, the curvature of the inner and outer arc surfaces of the first preform 1 is greater than the curvature of the inner and outer arc surfaces of the second preform. Of course, the curvatures of the inner and outer arc surfaces of the first preform 1 are equal, and the curvatures of the inner and outer arc surfaces of the second preform 2 are equal. The two preforms can be fixed to the inner wall of the industrial furnace by combined splicing, so as to adapt to industrial furnaces of different diameters. Of course, three or four preforms with different arc curvatures can also be used in combination, and the specific ones can be flexibly set according to the actual diameter of the industrial furnace.

[0078] The wear-resistant wall provided by the embodiment of the present invention can adapt to industrial furnaces of different diameters by providing a plurality of prefabricated parts with different arc curvatures and arranging and combining the plurality of prefabricated parts, so that only prefabricated parts of a certain specification are manufactured, thereby improving its versatility and reducing production costs.

[0079] According to the embodiment of the present invention, the anti-wear wall is provided. Figures 3 to 6As shown, the multiple prefabricated parts include: a first prefabricated part 1 and a second prefabricated part 2, and the arc curvature of the first prefabricated part is greater than the arc curvature of the second prefabricated part; the first prefabricated part and the second prefabricated part are spliced ​​in sequence according to a preset arrangement to form a curved wall.

[0080] In a specific application, only two types of preforms are set, namely the first preform 1 and the second preform 2, wherein the curvature of the first preform 1 is greater than the curvature of the second preform 2, that is, the curvature of the inner and outer arc surfaces of the first preform 1 is greater than the curvature of the inner and outer arc surfaces of the second preform, and of course, the curvatures of their inner and outer arc surfaces are equal; specifically, the thickness Δ1 of the first preform 1 can be set to 230 mm, and the arc length L of the outer surface can be set to 230 mm. 1外 Set to 300mm, inner surface arc length L 1内 Set it to 270mm and the height H1 to 1000mm, so that the curvature of the first preform can be determined; set the thickness Δ2 of the second preform to 230mm, and the arc length L of the outer surface 2外 Set to 350mm, inner surface arc length L 2内 The curvature of the second preform can be determined by setting the height H2 to 345 mm and the height H2 to 1000 mm. It can be seen that the curvature of the arc surface of the first preform 1 is greater than that of the arc surface of the second preform, that is, the radius of the annular wall composed only of the first preform is smaller than the radius of the annular wall composed only of the second preform. Therefore, when the radius of the industrial furnace is between the two, the combination and different arrangements of the two can adapt to industrial furnaces of different diameters.

[0081] Depend on Figure 5 and Figure 6 As shown, this embodiment provides an arrangement unit consisting of two first prefabricated parts 1 and one prefabricated part 2, which are arranged in sequence along the inner wall of the industrial furnace to eventually form an annular wall; of course, the curvature of the first prefabricated part and the second prefabricated part are different, so it is inevitable that the side surfaces of the first prefabricated part and the second prefabricated part cannot be completely fitted together, so the gap between the two needs to be filled with homogeneous wear-resistant slurry for solidification.

[0082] The wear-resistant wall provided by the embodiment of the present invention can adapt to industrial furnaces of different diameters by manufacturing only two specifications of prefabricated parts by arranging and combining first prefabricated parts and second prefabricated parts with different arc curvatures in different ways, thereby improving its versatility and reducing production costs.

[0083] According to the embodiment of the present invention, the anti-wear wall is provided. Figure 7 As shown, the positioning mechanism is a male-female positioning mechanism. The male-female positioning mechanism includes: a slot, which is provided on one side of the prefabricated component; a clamping strip, which is provided on the side opposite to the slot; adjacent prefabricated components are positioned and installed by the combination of the slot and the clamping strip.

[0084] In a specific application, this embodiment shows another prefabricated part, which can be made into a third prefabricated part 3 by a third mold. The thickness, height and arc curvature of the third prefabricated part 3 are the same as those of the second prefabricated part. Its two opposite sides are respectively provided with a third clamping strip 301 and a third clamping slot 302. The third clamping strip 301 and the third clamping slot 302 are respectively provided at the central axis of the side, that is, to ensure that the two identical third prefabricated parts can be smoothly positioned and matched when spliced. Of course, in actual manufacturing, the extension length of the third clamping strip 301 and the third clamping slot 302 should not be too long, and the width of the clamping slot should be greater than the width of the clamping strip to avoid the problem of difficulty in removing when replacing a single prefabricated part. Of course, this embodiment only shows a male-female positioning mechanism. In specific applications, there can also be a variety of positioning structures, as long as they can meet the requirements of rapid positioning and installation between prefabricated parts.

[0085] The anti-wear wall provided by the embodiment of the present invention can achieve rapid positioning when installing between prefabricated parts through the provision of male and female positioning mechanisms, and the fit is firm and not easy to move.

[0086] According to the embodiment of the present invention, the anti-wear wall is provided. Figure 8 and Figure 9 As shown, the clamping slot is opened at the outer edge of the preform, and the clamping strip is arranged at the outer edge of the preform away from the opening of the clamping slot.

[0087] In specific applications, the outer surfaces of the first preform 1 and the second preform 2 are of a staggered structure, that is, the slot is opened at the outer edge of the preform, and the card strip is set at the outer edge of the preform away from the slot. The opening depth and extension length of the slot and the card strip are equivalent, and the width of the slot is slightly larger than the width of the card strip, so as to better coordinate the installation of the two and avoid the phenomenon of difficulty in removing when replacing a single preform.

[0088] like Figure 8 and Figure 9 As shown, it shows the specific structure of the first preform 1 and the second preform 2, wherein the first preform 1 includes: a first clamping strip 101 and a first clamping groove 102, and two adjacent first preforms are positioned by the adjacent first clamping strips 101 and first clamping grooves 102; the second preform 2 includes: a second clamping strip 201 and a second clamping groove 202, and two adjacent second preforms are positioned by the adjacent second clamping strips 201 and second clamping grooves 202; of course, when the first preform 1 and the second preform 2 are fitted together, they are fitted together by the first clamping strip 101 and the second clamping groove 202, because the width of the clamping groove is greater than the width of the clamping strip, which allows the second preform to have different degrees of deflection to adapt to the diameter of the industrial furnace.

[0089] The anti-wear wall provided by the embodiment of the present invention has better convenience and installation performance than the positioning mechanism of the third prefabricated part 3 mentioned above by arranging the slots and strips of the male and female positioning mechanisms at the outer edges of the prefabricated parts. The outer edges of the slots are unobstructed, and there is no need to deliberately align the strips with the slots during installation. It is only necessary to keep the prefabricated parts roughly consistent.

[0090] According to the embodiment of the present invention, the anti-wear wall is provided. Figures 8 to 11 As shown, the first connection part includes: a plug for connecting to a socket on the inner wall of the industrial furnace.

[0091] In a specific application, the first connection portion of the preform can be set as a plug and connected to the socket 5 in the industrial furnace at the same time; in this embodiment, the plug structures of the first preform 1 and the second preform 2 are shown respectively, that is, a first plug 103 fixedly arranged on the outer surface of the first preform 1, the first plug 103 is a right-angle iron, and one is arranged on the upper and lower outer surface of the first preform; similarly, the plug of the second preform 2 is a second plug 203, the second plug 203 is also a right-angle iron, and one is arranged on the upper and lower outer surface of the second preform; both the first plug 103 and the second plug 203 can be inserted and hung in the "J"-shaped socket fixed on the inner wall of the industrial furnace. After the inner surface of a single preform is worn, it can be replaced by simply pulling the preform upwards.

[0092] The wear-resistant wall provided by the embodiment of the present invention can realize the rapid fixed installation of prefabricated parts and industrial furnaces and the rapid replacement after wear through the plug-and-sleeve type prefabricated part installation method, thereby saving work time.

[0093] The present invention also provides an industrial furnace, such as Figure 1 and Figure 10 As shown, it includes the above-mentioned anti-wear wall, and also includes: a shell 4 and a second connecting part, wherein the second connecting part includes a sleeve 5; the anti-wear wall is arranged in the inner cavity of the shell 4; the second connecting part is arranged on the inner wall of the shell 4, and the second connecting part is connected to the first connecting part of the anti-wear wall.

[0094] In a specific application, a plurality of sockets 5 are installed on the inner wall of the industrial furnace, and the plugs provided on the prefabricated parts are inserted into the sockets 5, so that the anti-wear wall and the shell can be fixed.

[0095] The industrial furnace provided by the present invention applies the anti-wear wall provided by the present invention, thereby having strong anti-wear and anti-impact properties, and has high practical value and economic value.

[0096] The embodiment of the present invention also provides a construction method of an anti-wear wall, such as Figure 13 As shown, including:

[0097] S100, obtaining the size of the industrial furnace and the size of the prefabricated part;

[0098] When implementing this step, the outer diameter, inner diameter, height, etc. of the industrial furnace can be measured by measuring instruments such as a tape measure and a laser measuring instrument, and the data can be recorded. At the same time, the dimensions of the preform can be obtained by measuring or using mold data, and the dimensions include the thickness, height, outer surface arc length, and inner surface arc length of the preform.

[0099] S200, determining a target number of the plurality of prefabricated parts based on the size of the industrial furnace and the size of the prefabricated parts;

[0100] When implementing this step, the number of prefabricated components to be used must be calculated based on the various dimensions of the industrial furnace and the prefabricated components. For example, if only one type of prefabricated component is installed in the industrial furnace, the furnace cavity radius can be obtained, and then the inner wall circumference can be calculated. This inner wall circumference is then divided by the outer surface arc length of the prefabricated component to obtain the approximate number of prefabricated components to be used. The furnace cavity radius can be calculated by subtracting the furnace thickness from its outer radius, or it can be directly measured using a measuring instrument.

[0101] S300, connecting all prefabricated parts to the inner wall of the industrial furnace through the first connecting part, and splicing two adjacent prefabricated parts in sequence through the positioning mechanism.

[0102] When implementing this step, the first connecting part of the prefabricated part can be preferably a bolt, which is fastened to the bolt hole provided on the inner wall of the industrial furnace, or it can be installed by the above-mentioned plug and socket. The two adjacent prefabricated parts are quickly positioned and installed through the male and female positioning mechanism to avoid displacement between the prefabricated parts after installation.

[0103] According to an embodiment of the present invention, a construction method is provided, such as Figure 14 As shown, the industrial furnace size includes the inner cavity radius Rfurnace of the industrial furnace; the preform size includes the preform thickness Δ, the arc length Louter of the preform outer surface, and the arc length Linner of the preform inner surface. Based on the industrial furnace size and the preform size, the target number of multiple preforms is determined, including:

[0104] S201, determining a first radius R1 and a second radius R2, wherein the first radius R1 is the outer radius of the annular structure consisting only of a plurality of first preforms; and the second radius R2 is the outer radius of the annular structure consisting only of a plurality of second preforms;

[0105] When implementing this step, the first radius R1 can be determined by building a plurality of first prefabricated parts into a ring structure and measuring with a tape measure; of course, the formula Among them, L 1外is the arc length of the outer surface of the first preform, n1 is the central angle of the first preform, and the length of R1 can be calculated from this formula. The second radius R2 can also be measured and calculated in the same way, that is Among them, L 2外 is the arc length of the outer surface of the first preform, n2 is the central angle of the first preform, and the length of R2 can be calculated from this formula.

[0106] This embodiment also provides two other methods for calculating the first radius R1 and the second radius R2:

[0107] The first radius is calculated as:

[0108]

[0109] The second radius is calculated as:

[0110]

[0111] Wherein, R1 in formula (1) represents the first radius, L 1外 is the arc length of the outer surface of the first preform, L 1内 is the arc length of the inner surface of the first preform, and Δ1 is the thickness of the first preform;

[0112] R2 in formula (2) represents the second radius, L 2外 is the arc length of the outer surface of the second preform, L 2内 is the arc length of the inner surface of the second preform, and Δ2 is the thickness of the second preform.

[0113] S202, comparing the first radius, the second radius, and the inner cavity radius;

[0114] When implementing this step, compare the first radius R1, the second radius R2 and the inner cavity radius R 炉 The size between them is compared and the next step is performed. It should be noted that based on the first radius R1, the second radius R2 and the inner cavity radius R 炉 The following steps are executed differently depending on the comparison results. When the first radius is equal to the inner cavity radius, S203 is executed; when the second radius is equal to the inner cavity radius, S204 is executed; when the inner cavity radius is smaller than the second radius and larger than the first radius, S205 is executed.

[0115] S203, when the first radius is equal to the inner cavity radius, determining a first quantity of first preforms based on the first relationship, and determining the first quantity of first preforms as a target quantity of the plurality of preforms;

[0116] When implementing this step, the first radius R1 and the inner cavity radius R 炉When they are equal, based on the first relationship, for example, by dividing the inner cavity perimeter of the industrial furnace by the outer surface arc length of the first preform, the number of first preforms used alone, ie, the first number K1 of first preforms, can be obtained.

[0117] Among them, the first relationship is:

[0118]

[0119] In formula (3), K1 is the first number of the first preform, R 炉 is the inner cavity radius, L 1外 is the arc length of the outer surface of the first preform; that is, 2πR 炉 is the inner cavity circumference of the industrial furnace, L 1外 is the arc length of the outer surface of the first prefabricated part; subtracting 1 is to compensate for the distance error between the outer surface of the first prefabricated part and the inner wall of the industrial furnace caused by the connection structure.

[0120] S204, when the second radius is equal to the inner cavity radius, determining a first number of second preforms based on the second relationship, and determining the first number of second preforms as a target number of the plurality of preforms;

[0121] When this step is specifically implemented, the second radius R2 and the inner cavity radius R 炉 When they are equal, based on the second relationship, for example, by dividing the inner cavity perimeter of the industrial furnace by the outer surface arc length of the second preform, the number of second preforms used alone, ie, the first number K2 of second preforms, can be obtained.

[0122] The second relationship includes:

[0123]

[0124] In formula (4), K2 is the first number of the second preform, R 炉 is the inner cavity radius, L 2外 is the arc length of the outer surface of the first preform; that is, 2πR 炉 is the inner cavity circumference of the industrial furnace, L 2外 is the arc length of the outer surface of the second prefabricated part; subtracting 1 is to compensate for the distance error between the outer surface of the second prefabricated part and the inner wall of the industrial furnace caused by the connection structure.

[0125] S205. When the inner cavity radius is smaller than the second radius and larger than the first radius, determine a second quantity of the first preform and a second quantity of the second preform based on the third relationship, and determine the sum of the second quantity of the first preform and the second quantity of the second preform as the target quantity of the plurality of preforms.

[0126] When implementing this step, the inner cavity radius R 炉 When it is smaller than the second radius R2 and larger than the first radius R1, that is, R炉 Between the two, the second quantity K3 of the first preform and the second quantity K4 of the second preform are determined based on a third relationship, wherein the third relationship includes:

[0127]

[0128]

[0129] Wherein, K3 in formula (5) is the second number of the first preform, Δ1 is the thickness of the first preform, R1 represents the first radius, R2 represents the second radius, and R 炉 is the inner cavity radius, L 1外 is the arc length of the outer surface of the first preform, L 1内 is the arc length of the inner surface of the first preform;

[0130] In formula (6), K4 is the second number of the second preform, Δ2 is the thickness of the second preform, R1 represents the first radius, R2 represents the second radius, and R 炉 is the inner cavity radius, L 2外 is the arc length of the outer surface of the second preform, L 2内 is the arc length of the inner surface of the second preform.

[0131] The second number K3 of the first preforms and the second number K4 of the second preforms are calculated according to a specific size embodiment.

[0132] The inner cavity radius R of the industrial furnace given in this embodiment is 炉 =4000mm, the parameters of the first preform are as follows: thickness Δ1 = 230mm, outer surface arc length L 1外 =300mm, inner surface arc length L 1内 =270mm, so substituting into formula (1) we get:

[0133]

[0134] The parameters of the second preform are as follows: thickness Δ2 = 230 mm, outer surface arc length L 2外 =350mm, inner surface arc length L 2内 =345mm, so substituting into formula (2) we get:

[0135]

[0136] After calculating R1 and R2 respectively, substitute the values ​​into equations (5) and (6) to obtain:

[0137]

[0138]

[0139] Therefore, the theoretical number of first preforms and second preforms used in an industrial furnace with a radius of 4000 mm is 43 and 36 respectively.

[0140] According to an embodiment of the present invention, a construction method is provided, such as Figure 15 As shown, all prefabricated parts are connected to the inner wall of the industrial furnace through the first connecting part, and two adjacent prefabricated parts are spliced ​​in sequence through the positioning mechanism, including:

[0141] S301, matching and installing the plug provided on the prefabricated part with the socket provided on the inner wall of the industrial furnace;

[0142] During this step, use an angle grinder to remove the rust layer from the furnace's inner wall, exposing the intact interior and preparing it for installation and welding. Draw a horizontal line along the furnace's inner wall based on the height of the plug on the prefabricated component's outer surface. Then, determine a vertical line. The intersection of these points will be the starting point for this prefabricated component. Insert the plug into the socket and weld it, ensuring the overall dimensions do not deviate significantly.

[0143] After installing the first prefabricated part, measure the installation distance of another prefabricated part, draw a vertical line on the distance, and the intersection of the vertical line and the horizontal marking line is the installation position of the second prefabricated part. The subsequent installations are similar.

[0144] S302. Two adjacent prefabricated parts are positioned and installed by means of a clamping strip and a clamping slot; two consecutively arranged first prefabricated parts are arranged between two adjacent second prefabricated parts, and an angle is provided between the first prefabricated parts and the second prefabricated parts with the opening facing the inner cavity of the industrial furnace.

[0145] When implementing this step, the prefabricated parts are matched with each other through staggered installation. The gaps between the first prefabricated parts are relatively parallel, and the second prefabricated parts and the first prefabricated parts need to have an angle with the opening facing the inner cavity of the industrial furnace, so that there is an opening between the first prefabricated part and the second prefabricated part toward the outside of the industrial furnace. Only with this installation method can a larger diameter annular wall be formed with a smaller diameter annular wall unit prefabricated part. It is possible to manufacture only two specifications of prefabricated parts to adapt to industrial furnaces of different diameters, thereby improving its versatility and reducing production costs.

[0146] The arrangement is as follows: two consecutive first preforms are matched with a second preform for angle adjustment, so that the overall curvature of the combination of the two first preforms and the second preform becomes smaller and approaches the curvature of the inner wall of the industrial furnace.

[0147] S303 , pouring slurry into the gaps between the prefabricated parts, wherein the material composition of the slurry includes the material composition of the prefabricated parts.

[0148] When implementing this step, a homogeneous wear-resistant slurry needs to be poured into the gaps between the prefabricated parts. In this embodiment, ceramic wear-resistant material is used.

[0149] In terms of height, the above technical solution only provides one height for the first prefabricated part and the second prefabricated part, namely 1000mm. However, in actual applications, there may be multiple height requirements. Therefore, this embodiment also provides prefabricated parts with heights of 800mm, 600mm, 500mm and 300mm. If the laying height of this embodiment is set to 2500mm, the heights of the first prefabricated part and the second prefabricated part are selected to be 1000mm and 500mm respectively.

[0150] Finally, the local repair method of the anti-wear wall is introduced as follows:

[0151] In one embodiment, since the area impacted by high-pressure water slag is an irregular elliptical shape with a width of 950 mm and a height of 550 mm, the following is true:

[0152] Step 1: You can select a first prefabricated component with a height of 600 mm and two second prefabricated components with a height of 600 mm for maintenance.

[0153] Step 2: Use an electric pick or pneumatic pick to clean the damaged parts so that the inner side of the industrial furnace is sloped to facilitate installation. At the same time, the existing damaged surface is enlarged from 950mm in width to 965mm and 550mm in height to 610mm. The overall deviation should not be greater than 10mm. After cleaning, the conditions for installation and welding are met.

[0154] Step 3: Draw a horizontal marking line on the inner wall of the industrial furnace according to the height of the plug of the prefabricated part, and then determine a line along the vertical direction. The intersection of these points is the starting installation point of this prefabricated part. Weld the socket and plug, and keep the overall size without offset to facilitate installation.

[0155] Step 4: Install a second prefabricated part first, and strictly control the installation gap width, then install a first prefabricated part, and finally install the second prefabricated part (that is, the BAB installation method). The prefabricated parts must be installed with staggered crimping, and at the same time, the plug and the socket must be fastened. The staggered gaps between the prefabricated parts are sealed tightly with foam glue.

[0156] Step 5. After installing the prefabricated parts, use high-strength ceramic wear-resistant castables to grout the staggered gaps and back gaps from the sloped side of the industrial furnace, and finally apply high-strength ceramic wear-resistant coating on the sloped part.

[0157] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A construction method for an anti-wear wall, characterized in that: include: Obtain industrial furnace dimensions and prefabricated part dimensions; determining a target number of the plurality of preforms based on the size of the industrial furnace and the size of the preforms; All prefabricated parts are connected to the inner wall of the industrial furnace through the first connecting part, and two adjacent prefabricated parts are spliced ​​in sequence through the positioning mechanism; The determining a target number of the plurality of preforms based on the size of the industrial furnace and the size of the preforms comprises: Determining a first radius and a second radius, wherein the first radius is an outer radius of the annular structure consisting only of the plurality of first preforms; and the second radius is an outer radius of the annular structure consisting only of the plurality of second preforms; comparing the first radius, the second radius, and the inner cavity radius; When the first radius is equal to the inner cavity radius, determining a first number of the first preforms based on a first relationship, and determining the first number of the first preforms as a target number of the plurality of preforms; When the second radius is equal to the inner cavity radius, determining a first number of the second preforms based on a second relationship, and determining the first number of the second preforms as a target number of the plurality of preforms; When the inner cavity radius is smaller than the second radius and larger than the first radius, determining a second number of the first preform and a second number of the second preform based on a third relationship, and determining the sum of the second number of the first preform and the second number of the second preform as a target number of the plurality of preforms; The first relationship includes: （3）； The second relationship includes: （4）； The third relationship includes: （5）； （6）； Wherein, K1 in formula (3) is the first number of the first prefabricated parts, R 炉 is the inner cavity radius, L 1外 is the arc length of the outer surface of the first preform; In formula (4), K2 is the first number of the second preforms, R 炉 is the inner cavity radius, L 2外 is the arc length of the outer surface of the first preform; In formula (5), K3 is the second number of the first preforms, Δ1 is the thickness of the first preform, R1 represents the first radius, R2 represents the second radius, and R 炉 is the inner cavity radius, L 1外 is the arc length of the outer surface of the first preform, L 1内 is the arc length of the inner surface of the first preform; In formula (6), K4 is the second number of the second preforms, Δ2 is the thickness of the second preform, R1 represents the first radius, R2 represents the second radius, and R 炉 is the inner cavity radius, L 2外 is the arc length of the outer surface of the second preform, L 2内 is the arc length of the inner surface of the second preform.

2. The construction method of the anti-wear wall according to claim 1, characterized in that: The calculation method of the first radius includes: (1)； The second radius is calculated as follows: （2）； Wherein, R1 in formula (1) represents the first radius, L 1外 is the arc length of the outer surface of the first preform, L 1内 is the arc length of the inner surface of the first preform, and Δ1 is the thickness of the first preform; R2 in formula (2) represents the second radius, L 2外 is the arc length of the outer surface of the second preform, L 2内 is the arc length of the inner surface of the second preform, and Δ2 is the thickness of the second preform.

3. The construction method of the anti-wear wall according to claim 1, characterized in that: The method of connecting all prefabricated parts to the inner wall of the industrial furnace through the first connecting part and sequentially splicing two adjacent prefabricated parts through the positioning mechanism includes: The plug provided on the prefabricated part and the socket provided on the inner wall of the industrial furnace are matched and installed with each other; Two adjacent prefabricated parts are positioned and installed by means of a clamping strip and a clamping slot; a plurality of first prefabricated parts arranged in a continuous manner are arranged between two adjacent second prefabricated parts; A slurry is poured into the gaps between the preforms, wherein the material composition of the slurry includes the material composition of the preforms.

4. The construction method of the anti-wear wall according to claim 2, characterized in that: A plurality of first prefabricated parts arranged in a continuous manner are provided between two adjacent second prefabricated parts, including: Two first preforms are arranged continuously between the two adjacent second preforms, and an angle is formed between the first preform and the second preform with the opening facing the inner cavity of the industrial furnace.

5. An anti-wear wall constructed using the anti-wear wall construction method according to any one of claims 1 to 4, characterized in that: The anti-wear wall comprises: a plurality of prefabricated parts; The prefabricated part is provided with a first connecting portion for connecting to the inner wall of the industrial furnace; The prefabricated parts are further provided with a positioning mechanism, and the prefabricated parts are sequentially spliced ​​together through the positioning mechanism to form a wall.

6. The anti-wear wall according to claim 5, characterized in that: The preformed parts are arc-shaped blocks, and the plurality of preformed parts include at least two types of preformed parts with different arc curvatures.

7. The anti-wear wall according to claim 6, characterized in that: The plurality of prefabricated parts include: a first preform; a second preform, wherein the arc curvature of the first preform is greater than the arc curvature of the second preform; The first prefabricated parts and the second prefabricated parts are sequentially spliced ​​in a preset arrangement to form a curved wall.

8. The anti-wear wall according to claim 5, characterized in that: The positioning mechanism is a male-female positioning mechanism.

9. The anti-wear wall according to claim 8, characterized in that: The male and female positioning mechanism includes: A slot is provided on a side surface of the prefabricated component; A card strip is provided on the side opposite to the card slot; The adjacent prefabricated parts are positioned and installed by the cooperation of the clamping slots and the clamping strips.

10. The anti-wear wall according to claim 9, characterized in that: The clamping slot is opened at the outer edge of the preform, and the clamping strip is arranged at the outer edge of the preform away from the opening of the clamping slot.

11. The anti-wear wall according to claim 7, characterized in that: The first connecting part includes: a plug, which is used to connect with the socket on the inner wall of the industrial furnace.

12. An industrial furnace, characterized in that: It comprises the anti-wear wall according to any one of claims 5 to 11, and further comprises: a shell, wherein the anti-wear wall is arranged in the inner cavity of the shell.

13. The industrial furnace according to claim 12, characterized in that The prefabricated part further includes a second connecting portion, wherein the first connecting portion is provided on the prefabricated part, the second connecting portion is provided on the inner wall of the shell, and the second connecting portion is connected to the first connecting portion of the anti-wear wall, and the second connecting portion includes: Plug in.

Images