An installation device for an in-furnace radiant tube and a construction method thereof

Abstract

The application provides a mounting device of a furnace radiant tube and a construction method thereof, and relates to the technical field of equipment installation in the metallurgical industry. The mounting device comprises a first mounting assembly and a second mounting assembly. The first mounting assembly is arranged in a furnace shell and comprises a first supporting unit and a first moving unit arranged at the bottom of the first supporting unit. The second mounting assembly is arranged outside the furnace shell and comprises a second supporting unit, a second moving unit arranged at the bottom of the second supporting unit, and a pushing device arranged at the top of the second supporting unit. The radiant tube is arranged at the top of the first supporting unit and the second supporting unit, and the pushing device is arranged at one side of the radiant tube and used for assisting the insertion of the radiant tube into the furnace shell. The application has the beneficial effect that the radiant tube can be installed in place and aligned without time and effort, and the construction period and installation cost are saved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of equipment installation in the metallurgical industry, in particular to an installation device for in-furnace radiation pipes and a construction method thereof. BACKGROUND

[0002] The cold-rolled continuous annealing production process is a relatively advanced production process in the steel cold-rolling production process. As a core component of the furnace body installation of the continuous annealing unit, the radiation pipe plays a very important role.

[0003] In the construction of the continuous annealing unit, several hundred sets of radiation pipes need to be inserted into the furnace shell, and then the radiation pipes are welded to the furnace shell after being aligned.

[0004] The applicant found that the prior art at least has the following technical problems:

[0005] The conventional radiation pipe installation method is to insert one end of the radiation pipe into the furnace shell with the aid of manpower, and the other end of the radiation pipe is installed in place using an external overhead crane and an internal hand-operated hoist, and the radiation pipe is fine-adjusted and aligned. This construction method cannot accurately control the depth of the radiation pipe inserted into the furnace shell, is prone to damage the in-furnace insulation bricks, and has low efficiency and complicated procedures for installing and aligning the radiation pipe. SUMMARY

[0006] The purpose of the present application is to provide an installation device for in-furnace radiation pipes and a construction method thereof to solve the technical problems in the prior art that the conventional radiation pipe installation method is to insert one end of the radiation pipe into the furnace shell with the aid of manpower, and the other end of the radiation pipe is installed in place using an external overhead crane and an internal hand-operated hoist, and the radiation pipe is fine-adjusted and aligned. This construction method cannot accurately control the depth of the radiation pipe inserted into the furnace shell, is prone to damage the in-furnace insulation bricks, and has low efficiency and complicated procedures for installing and aligning the radiation pipe. The preferred technical solutions in the technical solutions provided by the present application can produce the technical effects described below.

[0007] To achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0008] The installation device for in-furnace radiation pipes provided by the present application comprises a first installation assembly and a second installation assembly, wherein:

[0009] The first installation assembly is arranged in the furnace shell and comprises a first support unit and a first moving unit arranged at the bottom of the first support unit;

[0010] The second installation assembly is arranged outside the furnace shell and comprises a second support unit, a second moving unit arranged at the bottom of the second support unit, and a pushing device arranged at the top of the second support unit;

[0011] A radiation tube is disposed on top of the first support unit and the second support unit, and a pushing device is disposed on one side of the radiation tube to assist the radiation tube to be inserted into the furnace shell.

[0012] Preferably, the first support unit comprises a first bottom support structure, a first top support structure, and a first lifting structure disposed between the first bottom support structure and the first top support structure, wherein:

[0013] The first bottom support structure is provided with a first accommodating portion, and the first top support structure extends into the first accommodating portion.

[0014] Preferably, the second support unit comprises a second bottom support structure, a second top support structure, and a second lifting structure disposed between the second bottom support structure and the second top support structure, wherein:

[0015] The second bottom support structure is provided with a second accommodating portion, and the second top support structure extends into the second accommodating portion.

[0016] Preferably, the first height adjustment block and the second height adjustment block are further included, wherein:

[0017] The top ends of the first top support structure and the second top support structure are respectively provided with a first accommodating groove and a second accommodating groove;

[0018] The first height adjustment block is disposed in the first accommodating groove, and the second height adjustment block is disposed in the second accommodating groove, and the radiation tube is disposed on the first height adjustment block and the second height adjustment block.

[0019] Preferably, the gaps between the first top support structure and the first accommodating portion and between the second top support structure and the second accommodating portion are both not greater than 0.5 mm;

[0020] The gaps between the first height adjustment block and the first accommodating groove and between the second height adjustment block and the second accommodating groove are both not greater than 0.5 mm.

[0021] Preferably, the pushing device comprises a fixed plate, a lead screw, and an adjusting handle, wherein:

[0022] The fixed plate is fixedly connected to the second top support structure;

[0023] The fixed plate is provided with an internal thread matched with a threaded structure on the lead screw;

[0024] The adjusting handle adopts an “L” type structure and is fixedly connected to the end of the lead screw.

[0025] Preferably, the first lifting structure and the second lifting structure are both jacks.

[0026] Preferably, the second mounting assembly further comprises a fixed hook, wherein:

[0027] The fixed hook is arranged on the second support unit and is used to be connected with a connecting structure arranged on the furnace shell.

[0028] Preferably, the first moving unit and the second moving unit both comprise a plurality of universal wheels.

[0029] A construction method of an in-furnace radiation tube, which adopts the mounting device of the in-furnace radiation tube, comprises the following steps:

[0030] S1: manufacturing and mounting the first mounting assembly and the second mounting assembly, so that the first mounting assembly is tightly attached to the furnace wall;

[0031] S2: hoisting the radiation tube to the second mounting assembly and the first mounting assembly;

[0032] S3: synchronously moving the first mounting assembly and the second mounting assembly horizontally into the furnace shell;

[0033] S4: hanging the fixed hook on a connecting structure arranged outside the furnace shell, for fixing the second mounting assembly;

[0034] S5: using the pushing device to adjust the radiation tube to be installed in place in cooperation with the second lifting structure;

[0035] S6: adjusting the radiation tube by using the lifting structure in cooperation with the second moving unit.

[0036] The mounting device of the in-furnace radiation tube and the construction method thereof provided by the application, by arranging the first mounting assembly and the second mounting assembly, the first mounting assembly is arranged in the furnace shell, and the second mounting assembly is arranged outside the furnace shell, the first mounting assembly comprises the first support unit and the first moving unit arranged at the bottom of the first support unit, the second mounting assembly comprises the second support unit, the second moving unit arranged at the bottom of the second support unit, and the pushing device arranged at the top of the second support unit, when used, the radiation tube is arranged on the first support unit and the second support unit, by using the principle of parallel transportation of the first moving unit and the second moving unit, the radiation tube can be directly pushed into the furnace shell, and the radiation tube is installed in place by the pushing action of the pushing device, so that the radiation tube can be installed in place and adjusted without wasting time and effort, thereby saving the construction period and installation cost. BRIEF DESCRIPTION OF DRAWINGS

[0037] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiments or prior art description. Obviously, the drawings described below only show some of the embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative effort based on these drawings.

[0038] Figure 1 is a structural schematic diagram of an embodiment of the installation device of the furnace radiant tube of the present application;

[0039] Figure 2 is a structural schematic diagram of the first installation assembly in the installation device of the furnace radiant tube of the present application;

[0040] Figure 3 is a left view structural schematic diagram of Figure 2 ;

[0041] Figure 4 is a structural schematic diagram of the second installation assembly in the installation device of the furnace radiant tube of the present application;

[0042] Figure 5 is a left view structural schematic diagram of Figure 4 ;

[0043] Figure 6 is a structural schematic diagram of the installation device of the furnace radiant tube of the present application in use.

[0044] In the drawings: 1, first installation assembly; 10, first moving unit; 11, first bottom support structure; 111, first channel steel; 112, first steel pipe; 12, first top support structure; 121, second channel steel; 122, second steel pipe; 13, first lifting structure; 14, first height adjustment block; 2, second installation assembly; 20, second moving unit; 21, second bottom support structure; 211, third channel steel; 212, third steel pipe; 22, second top support structure; 221, fourth channel steel; 222, fourth steel pipe; 23, second lifting structure; 24, second height adjustment block; 25, pushing device; 251, fixed plate; 252, lead screw; 253, adjusting handle; 26, fixed hook; 3, furnace shell; 4, radiant tube. DETAILED DESCRIPTION

[0045] In order to make the objects, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be described in detail below. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative effort belong to the scope of protection of the present application.

[0046] The application provides a mounting device for a radiant tube in a furnace, Figure 1 is a structural schematic diagram of the embodiment, as Figure 1 shown, comprising a first mounting assembly 1 and a second mounting assembly 2.

[0047] The first mounting assembly 1 is arranged in the furnace shell 3 and comprises a first support unit and a first moving unit 10 arranged at the bottom of the first support unit.

[0048] The second mounting assembly 2 is arranged outside the furnace shell 3 and comprises a second support unit, a second moving unit 20 arranged at the bottom of the second support unit and a pushing device 25 arranged at the top of the second support unit.

[0049] The radiant tube 4 is arranged at the top of the first support unit and the second support unit, and the pushing device 25 is arranged at one side of the radiant tube 4 and used for assisting insertion of the radiant tube 4 into the furnace shell 3.

[0050] The mounting device for the radiant tube in the furnace is provided with the first mounting assembly 1 arranged in the furnace shell 3 and the second mounting assembly 2 arranged outside the furnace shell 3. The first mounting assembly 1 comprises the first support unit and the first moving unit 10 arranged at the bottom of the first support unit, and the second mounting assembly 2 comprises the second support unit, the second moving unit 20 arranged at the bottom of the second support unit and the pushing device 25 arranged at the top of the second support unit. In use, the radiant tube 4 is arranged on the first support unit and the second support unit. The first moving unit 10 and the second moving unit 20 can directly push the radiant tube 4 into the furnace shell by using the principle of parallel transportation. The radiant tube 4 is installed in place by the pushing action of the pushing device 25. The radiant tube 4 can be installed in place and aligned without time and effort, thereby saving construction period and installation cost.

[0051] As an optional embodiment, Figure 2 is a structural schematic diagram of the first mounting assembly in the embodiment, Figure 3 is Figure 2 a left structural schematic diagram, as Figure 2 and Figure 3 shown, the first support unit comprises a first bottom support structure 11, a first top support structure 12 and a first lifting structure 13 arranged between the first bottom support structure 11 and the first top support structure 12.

[0052] The first bottom support structure 11 is provided with a first accommodating portion, and the first top support structure 12 extends into the first accommodating portion to adjust the height of the first top support structure 12. When the first top support structure 12 extends into the first accommodating portion for a long distance, the overall height of the first support unit is low. When the first top support structure 12 extends into the first accommodating portion for a short distance, the overall height of the first support unit is high, which is convenient for adjusting the height of the radiation tube 4 during use.

[0053] In the embodiment, the first bottom support structure 11 is provided with a first channel steel 111 and a first steel pipe 112 welded on the top of the first channel steel 111. The first steel pipe 112 is provided with at least two, which are uniformly distributed on the top of the first channel steel 111 to balance the stress. The first steel pipe 112 is a hollow steel pipe, which is internally provided with a first accommodating portion for accommodating the second steel pipe 122.

[0054] The first top support structure 12 is provided with a second channel steel 121 and a second steel pipe 122 welded on the bottom of the second channel steel 121, which is provided in one-to-one correspondence with the first steel pipe 112.

[0055] The steel pipe and the channel steel used in the embodiment are all made of leftover materials on the construction site, which can save material costs and reduce construction costs.

[0056] The first lifting structure 13 is a jack, one end of which is connected with the first channel steel 111, and the other end of which is connected with the second channel steel 121. During use, the first top support structure 12 is lifted and lowered by the jack. In combination with the universal wheels arranged at the bottom of the first support unit, the elevation level and the longitudinal and transverse center lines of the radiation tube 4 can be quickly adjusted.

[0057] As an optional embodiment, Figure 4 is a structural schematic view of the second support unit in the embodiment, Figure 5 is Figure 4 is a left view structural schematic view of Figure 4 and Figure 5 As shown in the left view structural schematic view of

[0058] The second bottom support structure 21 is provided with a second accommodating portion, and the second top support structure 22 extends into the second accommodating portion to adjust the height of the second top support structure 22,

[0059] When the second top support structure 22 extends into the second accommodating portion for a longer distance, the overall height of the second support unit is lower, and when the second top support structure 22 extends into the second accommodating portion for a shorter distance, the overall height of the second support unit is higher, facilitating adjustment of the height of the radiation pipe 4 during use.

[0060] In the embodiment, the second bottom support structure 21 is provided with a third channel steel 211 and a third steel pipe 212 welded to the top of the third channel steel 211, and the third steel pipe 212 is provided as at least two, which are uniformly distributed on the top of the third channel steel 211 to balance the stress. The third steel pipe 212 is a hollow steel pipe, which is internally provided with a first accommodating portion for accommodating a fourth steel pipe 222.

[0061] The second top support structure 22 is provided with a fourth channel steel 221 and a fourth steel pipe 222 welded to the bottom of the fourth channel steel 221, and the fourth steel pipe 222 is provided in one-to-one correspondence with the third steel pipe 212.

[0062] The steel pipes and channel steels used in the embodiment are all made of leftover materials on the construction site, so as to save material costs and reduce construction costs.

[0063] The second lifting structure 23 is a jack, one end of which is connected with the third channel steel 211, and the other end of which is connected with the fourth channel steel 221, and in use, the second top support structure 22 is controlled to be lifted by the jack.

[0064] As an optional embodiment, the first height adjusting block 14 and the second height adjusting block 24 are further included, wherein the top ends of the first top support structure 12 and the second top support structure 22 are respectively provided with a first accommodating groove and a second accommodating groove.

[0065] Specifically, the first height adjusting block 14 is arranged in the first accommodating groove, and the second height adjusting block 24 is arranged in the second accommodating groove, and the first height adjusting block 14 and the second height adjusting block 24 are arranged for placing the radiation pipe 4 on the first height adjusting block 14 and the second height adjusting block 24, so as to facilitate the installation operation of the radiation pipe 4.

[0066] As an optional embodiment, the gap between the first top support structure 12 and the first accommodating portion and the gap between the second top support structure 22 and the second accommodating portion are both not greater than 0.5 mm, so that the stability of the connection is better.

[0067] The gap between the first height adjusting block 14 and the first accommodating groove and the gap between the second height adjusting block 24 and the second accommodating groove are both not greater than 0.5 mm, so that the stability of the connection is better.

[0068] As an optional implementation, the pushing device 25 comprises a fixed plate 251, a screw rod 252 and an adjusting handle 253, the fixed plate 251 is fixedly connected to the second top support structure 22, in this embodiment, the fixed plate 251 is welded on the fourth channel steel 221.

[0069] In this embodiment, the fixed plate 251 is provided with an internal thread matched with the thread structure on the screw rod 252; the adjusting handle 253 adopts an "L" type structure and is fixedly connected to the end of the screw rod 252, in use, by rotating the adjusting handle 253, the length of the side of the fixed plate 251 deep in the screw rod 252 is changed, so as to push the auxiliary radiant tube 4 to be installed in place by the screw rod 252.

[0070] As an optional implementation, Figure 6 is a structural schematic diagram when the present embodiment is used, as Figure 6 shown, the second installation assembly further comprises a fixed hook 26. The fixed hook 26 is arranged on the second support unit and is used to be connected with the connecting structure arranged on the furnace shell 3.

[0071] Specifically, the fixed hook 26 is connected to the third steel pipe 212, and the fixed hook 26 can be arranged one or more according to actual use needs. In this embodiment, one fixed hook 26 is arranged at the top and the bottom of the third steel pipe 212, so that the second installation assembly has better stability when being connected with the furnace shell 3.

[0072] It should be noted that after the fixed hook 26 is connected, the second installation assembly needs to be ensured to have a certain range of free movement under the driving of the second moving unit, so as to facilitate the alignment of the radiant tube 4.

[0073] As an optional implementation, the first moving unit 10 and the second moving unit 20 each comprise a plurality of universal wheels, the universal wheels are bolted to the bottom of the first channel steel 111 and the third channel steel 211, so as to realize the multi-angle movement of the first moving unit 10 and the second moving unit 20, facilitate multi-angle adjustment, and make the radiant tube align.

[0074] A construction method of an in-furnace radiant tube, which adopts the installation device of the in-furnace radiant tube, comprises the following steps:

[0075] S1: manufacturing and installing the first installation assembly 1 and the second installation assembly 2, so that the first installation assembly 1 is tightly attached to the furnace wall;

[0076] Specifically, the first installation assembly 1 and the second installation assembly 2 are manufactured and installed and placed in position according to the size of the continuous annealing furnace, and it is noted that the first installation assembly 1 initially located in the furnace shell 3 needs to be tightly attached to the furnace wall, so as to facilitate the placement of the radiant tube 4.

[0077] In actual construction, the first installation assembly 1 is positioned and removed in the following manner: when installing, the components are first manufactured, and the components are assembled in the furnace through a manhole; when removing, the first installation assembly 1 is disassembled in the furnace and removed from the manhole.

[0078] S2: hoist the radiation pipes 4 to the second installation assembly 2 and the first installation assembly 1;

[0079] S3: the first installation assembly 1 and the second installation assembly 2 are synchronously moved horizontally into the furnace shell 3;

[0080] S4: the fixed hooks 26 are hung on the connecting structure outside the furnace shell 3, and are used for fixing the second installation assembly 2; when the second installation assembly 2 moves to the limit and is pressed against the outer furnace shell of the furnace shell 3, the fixed hooks 26 are hung on the channel steel outside the furnace shell 3, so that the second installation assembly 2 is fixed.

[0081] S5: the radiation pipes 4 are installed and positioned by using the pushing device 25 and adjusting the second lifting structure 23;

[0082] S6: the radiation pipes 4 are adjusted and aligned by using the second lifting structure 23 to adjust the second moving unit 20 to adjust at multiple angles.

[0083] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An installation device for radiant tubes inside a furnace, characterized in that: Includes a first installation component and a second installation component, wherein: The first mounting assembly is disposed inside the furnace shell and includes: a first support unit and a first movable unit disposed at the bottom of the first support unit; The second mounting assembly is disposed outside the furnace shell and includes a second support unit, a second moving unit disposed at the bottom of the second support unit, and a propulsion device disposed at the top of the second support unit; The radiant tube is placed on top of the first support unit and the second support unit, and the propulsion device is located on one side of the radiant tube to assist the radiant tube in being inserted into the furnace shell; The first support unit includes a first bottom support structure, a first top support structure, and a first lifting structure disposed between the first bottom support structure and the first top support structure, wherein: The first bottom support structure is provided with a first receiving portion, and the first top support structure extends into the first receiving portion; The second support unit includes a second bottom support structure, a second top support structure, and a second lifting structure disposed between the second bottom support structure and the second top support structure, wherein: The second bottom support structure is provided with a second receiving portion, and the second top support structure extends into the second receiving portion; The propulsion device includes a fixed plate, a lead screw, and an adjusting handle, wherein: The fixing plate is fixedly connected to the second top support structure; The fixing plate is provided with an internal thread that mates with the threaded structure on the lead screw. The adjusting handle adopts an "L" shaped structure and is fixedly connected to the end of the lead screw; Both the first and second lifting structures use jacks.

2. The installation device for a furnace radiant tube according to claim 1, characterized in that: It also includes a first height adjustment block and a second height adjustment block, wherein: The top ends of the first top support structure and the second top support structure are respectively provided with a first receiving groove and a second receiving groove; The first height adjustment block is disposed in the first receiving groove, the second height adjustment block is disposed in the second receiving groove, and the radiation tube is placed on the first height adjustment block and the second height adjustment block.

3. The furnace radiant tube installation device according to claim 2, characterized in that: The gaps between the first top support structure and the first accommodating part, and between the second top support structure and the second accommodating part, are all set to be no greater than 0.5 mm; The gaps between the first height adjustment block and the first receiving groove, and between the second height adjustment block and the second receiving groove, are all set to be no greater than 0.5mm.

4. The furnace radiant tube installation device according to any one of claims 1-3, characterized in that: The second mounting component also includes a fixing hook, wherein: The fixed hook is disposed on the second support unit and is used to connect with the connection structure disposed on the furnace shell.

5. An installation device for a furnace radiant tube according to any one of claims 1-3, characterized in that: Both the first moving unit and the second moving unit include multiple omnidirectional wheels.

6. A method for constructing radiant tubes inside a furnace, characterized in that: The installation device for the furnace radiant tube according to any one of claims 1-5 includes the following steps: S1: Fabricate and install the first mounting component and the second mounting component, ensuring that the first mounting component is flush against the furnace wall; S2: Hoist the radiant tube onto the second mounting assembly and the first mounting assembly; S3: The first and second mounting components move laterally into the furnace shell simultaneously; S4: Hang the fixing hook on the connection structure outside the furnace shell to fix the second mounting component; S5: The radiant tube is installed in place by using a propulsion device in conjunction with the second lifting structure adjustment. S6: The radiant tube is aligned by adjusting the lifting structure in conjunction with the second moving unit.

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