Metallurgy waste heat recycling device

Abstract

The invention discloses a metallurgical waste heat recycling device which comprises a waste heat recycling box, an air outlet pipe and an air inlet pipe, the air outlet pipe is fixedly installed above the waste heat recycling box, the air inlet pipe is fixedly installed on the outer wall of the waste heat recycling box, and the metallurgical waste heat recycling device further comprises a safety protection mechanism. A connecting plate is fixedly mounted on the outer wall of the waste heat recycling box, two mounting columns are fixedly mounted on the outer wall of the connecting plate, grooves are formed in the outer walls of the mounting columns, connecting bolts are fixedly mounted on the inner walls of the grooves, the connecting bolts penetrate through the inner walls of the grooves and are arranged outside the mounting columns, springs are fixedly mounted at one ends of the connecting bolts, and the springs are fixedly mounted on the outer walls of the connecting bolts. Relates to the technical field of waste heat recycling, through mutual cooperation of a mounting box, a sliding rod, a first connecting sliding block, a second connecting sliding block, a toothed plate, a gear, a protective door and protective glass, the interior of a machine can be observed, and the machine can be quickly opened for maintenance when problems are found.

Description

Technical Field

[0001] The present invention relates to the technical field of waste heat recycling, and in particular to a device for recycling metallurgical waste heat. Background Art

[0002] Waste heat resources belong to secondary energy, which are the products of primary energy or combustible materials conversion, or the heat left after a certain process is completed after the heat generated during fuel combustion. According to the temperature grade, industrial waste heat is generally divided into three types: high-temperature waste heat above 600℃, medium-temperature waste heat between 300 and 600℃, and low-temperature waste heat below 300℃; according to the source, industrial waste heat can be divided into: flue gas waste heat, cooling medium waste heat, waste steam and waste water waste heat, chemical reaction heat, high-temperature product and slag waste heat, and combustible waste gas and waste material waste heat.

[0003] Chinese patent document CN210711592U discloses a waste heat recovery device for metallurgy, which relates to the field of waste heat recovery technology, including a main box, a waste heat absorption mechanism and a water bath heat absorption mechanism, the heat exchange tube is fixedly connected to the top of the fixed rod, and one end of the heat exchange tube extends to the bottom of the support plate through a through hole, the motor is fixedly connected to the top of the inner cavity of the main box, the feed roller is rotatably connected to the outside of the rotating shaft, the spiral connecting pipe is wound around the outside of the heat exchange tube, the water injection pipe is installed on the top of the main box, and the end of the water injection pipe is connected to the spiral connecting pipe. The waste heat absorption mechanism designed by the present invention, through the cooperation of the heat exchange tube and the spiral connecting pipe, makes the waste slag material fully contact with the water medium after being evenly dispersed by the feed pipe, quickly recovers the waste heat through the heat absorption effect of water, and then absorbs the heat in the waste slag material again through the water bath heat absorption mechanism, and uses the temperature sensor for real-time monitoring to improve the overall waste heat recovery rate.

[0004] Although the above patent has enhanced the waste heat recovery rate, the current technical considerations are not comprehensive and have the following disadvantages: The waste heat recovery is an integrated device. The entire machine needs to be disassembled for internal maintenance. During waste heat recovery, the internal water pipes are prone to leakage due to the back-and-forth temperature changes between high and low temperatures. If not discovered in time, it will cause damage to the machine. Summary of the invention

[0005] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a metallurgical waste heat recovery device to solve the above-mentioned technical problems.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions: A device for recycling waste heat from metallurgical industry comprises a waste heat recycling box, an air outlet pipe and an air inlet pipe, wherein the air outlet pipe is fixedly installed above the waste heat recycling box, and the air inlet pipe is fixedly installed on the outer wall of the waste heat recycling box. The device for recycling waste heat from metallurgical industry also comprises a safety protection mechanism, a connecting plate is fixedly installed on the outer wall of the waste heat recycling box, two mounting columns are fixedly installed on the outer wall of the connecting plate, a groove is provided on the outer wall of the mounting column, a connecting bolt is fixedly installed on the inner wall of the groove, and the connecting bolt passes through the inner wall of the groove and is arranged on the outside of the mounting column, a spring is fixedly installed on one end of the connecting bolt, a clamping block is fixedly installed on the other end of the spring, and the other end of the connecting bolt is fixedly installed on the outer wall of the clamping block.

[0007] Preferably, the safety protection mechanism includes an installation box, which is fixedly installed on the outer wall of the waste heat recycling box, and a sliding rod is fixedly installed on the inner wall of the installation box. The outer wall of the sliding rod is slidably connected with a first connecting slider and a second connecting slider, and the outer walls of the first connecting slider and the second connecting slider are fixedly installed with a tooth plate, the outer wall of the tooth plate is meshed with a gear, and the gear is rotatably installed inside the installation box, and a protective door is fixedly installed on the outer wall of the first connecting slider and the second connecting slider, and a protective glass is fixedly installed on the inner wall of the protective door.

[0008] Preferably, a water outlet pipe is fixedly installed below the waste heat recycling box. Preferably, a water outlet pipe is fixedly installed below the waste heat recycling box.

[0009] Preferably, a motor box is fixedly mounted on the outer wall of the mounting box, a motor is arranged inside the motor box, and an output end of the motor is connected to a gear.

[0010] Preferably, a control panel is fixedly mounted on the outer wall of the waste heat recycling box.

[0011] Preferably, the number of the grooves, the connecting bolts, the springs and the clamping blocks is four each.

[0012] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are: The present invention can observe the inside of the machine through the mutual cooperation of the installation box, the slide rod, the first connecting slider, the second connecting slider, the tooth plate, the gear, the protective door and the protective glass, and can quickly open the machine for maintenance when a problem is found. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0014] Figure 1 The present invention shows a structural front view of a metallurgical waste heat recovery device.

[0015] Figure 2 The invention shows a structural side view of a metallurgical waste heat recycling device.

[0016] Figure 3 A schematic diagram of a safety protection mechanism for a metallurgical waste heat recycling device is shown.

[0017] Figure 4 A cross-sectional view of an installation column of a metallurgical waste heat recycling device is shown.

[0018] Legend: 1. Waste heat recycling box; 2. Air outlet pipe; 3. Air inlet pipe; 4. Safety protection mechanism; 411. Installation box; 412. Slide bar; 413. First connecting slider; 414. Second connecting slider; 415. Tooth plate; 416. Gear; 421. Protection door; 422. Protection glass; 5. Water outlet pipe; 6. Water outlet pipe; 7. Connecting plate; 801. Installation column; 802. Groove; 803. Connecting bolt; 804. Spring; 805. Snap-in block; 9. Motor box. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to 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 invention.

[0021] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0022] 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 one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0023] Reference Figures 1 to 4 An embodiment of a metallurgical waste heat recovery device of the present invention is further described.

[0024] like Figure 1-4 As shown, in an optional embodiment, a metallurgical waste heat recycling device includes a waste heat recycling box 1, an air outlet pipe 2 and an air inlet pipe 3, the air outlet pipe 2 is fixedly installed above the waste heat recycling box 1, and the air inlet pipe 3 is fixedly installed on the outer wall of the waste heat recycling box 1. The metallurgical waste heat recycling device also includes a safety protection mechanism 4, the outer wall of the waste heat recycling box 1 is fixedly installed with a connecting plate 7, and the outer wall of the connecting plate 7 is fixedly installed with two mounting columns 801, the outer wall of the mounting column 801 is provided with a groove 802, the inner wall of the groove 802 is fixedly installed with a connecting bolt 803, and the connecting bolt 803 passes through the inner wall of the groove 802 and is arranged on the outside of the mounting column 801, one end of the connecting bolt 803 is fixedly installed with a spring 804, the other end of the spring 804 is fixedly installed with a clamping block 805, and the other end of the connecting bolt 803 is fixedly installed on the outer wall of the clamping block 805.

[0025] It should be noted that when installing the metallurgical waste heat recycling device, the device is installed on the bayonet through the installation column 801, and the spring 804 is pushed to move by the clamping block 805. The spring 804 is fixedly installed on one end of the connecting bolt 803, and the connecting bolt 803 is fixedly installed on the outer wall of the installation column 801. The connecting bolt 803 passes through the outer wall of the installation column 801 and is arranged inside the groove 802. When moving to the bayonet, the clamping block 805 is reset by the rebound of the spring 804 to be clamped and fixed.

[0026] like Figure 3As shown, in an optional embodiment, the safety protection mechanism 4 includes an installation box 411, the installation box 411 is fixedly installed on the outer wall of the waste heat recycling box 1, the inner wall of the installation box 411 is fixedly installed with a slide bar 412, the outer wall of the slide bar 412 is slidably connected with a first connecting slider 413 and a second connecting slider 414, the outer walls of the first connecting slider 413 and the second connecting slider 414 are fixedly installed with a tooth plate 415, the outer wall of the tooth plate 415 is meshed with a gear 416, and the gear 416 is rotatably installed inside the installation box 411, the outer walls of the first connecting slider 413 and the second connecting slider 414 are fixedly installed with a protection door 421, and the inner wall of the protection door 421 is fixedly installed with a protection glass 422.

[0027] It should be noted that the operation of the internal device cannot be observed when waste heat is being recycled, and water leakage and air leakage cannot be repaired in time. To solve the above problems, the following device is provided in the embodiment of the present invention. The gear 416 connected to the internal rotation of the installation box 411 rotates, and the gear 416 drives the tooth plate 415 to move, and the tooth plate 415 drives the first connecting slider 413 and the second connecting slider 414 to move, so that the inspection door can be quickly opened for maintenance, and a protective door 421 is fixedly installed on the outer wall of the first connecting slider 413 and the second connecting slider 414, and a protective glass 422 is fixedly installed on the inner wall of the protective door 421 to perform real-time inspection of the interior.

[0028] like Figure 2 As shown, in an optional embodiment, a water outlet pipe 5 is fixedly installed below the waste heat recovery box 1 , and a water outlet pipe 6 is fixedly installed below the waste heat recovery box 1 .

[0029] It should be noted that the water flow is heated through the water outlet pipe 5 and the water outlet pipe 6 .

[0030] like Figure 1 and 3 As shown, in an optional embodiment, a motor box 9 is fixedly mounted on the outer wall of the mounting box 411 , a motor is disposed inside the motor box 9 , and an output end of the motor is interconnected with a gear 416 .

[0031] It should be noted that the safety protection mechanism 4 is driven to move by the motor disposed inside the motor box 9 .

[0032] like Figure 1 As shown, in an optional embodiment, a control panel is fixedly mounted on the outer wall of the waste heat recycling box 1.

[0033] It should be noted that the main control is performed by a control panel fixedly installed on the outer wall of the waste heat recovery box 1.

[0034] like Figure 4As shown, in an optional embodiment, the number of the groove 802, the connecting bolt 803, the spring 804 and the clamping block 805 are all four.

[0035] It should be noted that quick installation is achieved through the groove 802 , the connecting bolt 803 , the spring 804 and the clamping block 805 provided inside the mounting column 801 .

[0036] The above description of the embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A metallurgical waste heat recycling device, comprising a waste heat recycling box (1), an air outlet pipe (2) and an air inlet pipe (3), wherein the air outlet pipe (2) is fixedly installed above the waste heat recycling box (1), and the air inlet pipe (3) is fixedly installed on the outer wall of the waste heat recycling box (1), characterized in that: The metallurgical waste heat recycling device further comprises a safety protection mechanism (4); a connecting plate (7) is fixedly mounted on the outer wall of the waste heat recycling box (1); two mounting columns (801) are fixedly mounted on the outer wall of the connecting plate (7); a groove (802) is provided on the outer wall of the mounting column (801); a connecting bolt (803) is fixedly mounted on the inner wall of the groove (802); the connecting bolt (803) passes through the inner wall of the groove (802) and is arranged outside the mounting column (801); a spring (804) is fixedly mounted on one end of the connecting bolt (803); a clamping block (805) is fixedly mounted on the other end of the spring (804); and the other end of the connecting bolt (803) is fixedly mounted on the outer wall of the clamping block (805).

2. The metallurgical waste heat recycling device according to claim 1 is characterized in that: The safety protection mechanism (4) comprises a mounting box (411), wherein the mounting box (411) is fixedly mounted on the outer wall of the waste heat recovery box (1), a sliding rod (412) is fixedly mounted on the inner wall of the mounting box (411), a first connecting slider (413) and a second connecting slider (414) are slidably connected to the outer wall of the sliding rod (412), a tooth plate (415) is fixedly mounted on the outer walls of the first connecting slider (413) and the second connecting slider (414), a gear (416) is meshed on the outer wall of the tooth plate (415), and the gear (416) is rotatably mounted inside the mounting box (411), a protection door (421) is fixedly mounted on the outer walls of the first connecting slider (413) and the second connecting slider (414), and a protection glass (422) is fixedly mounted on the inner wall of the protection door (421).

3. The metallurgical waste heat recycling device according to claim 1 is characterized in that: A water outlet pipe (5) is fixedly installed below the waste heat recycling box (1), and a water outlet pipe (6) is fixedly installed below the waste heat recycling box (1).

4. The metallurgical waste heat recycling device according to claim 2 is characterized in that: A motor box (9) is fixedly mounted on the outer wall of the mounting box (411), a motor is arranged inside the motor box (9), and an output end of the motor is connected to a gear (416).

5. The metallurgical waste heat recycling device according to claim 1 is characterized in that: A control panel is fixedly mounted on the outer wall of the waste heat recycling box (1).

6. The metallurgical waste heat recycling device according to claim 1 is characterized in that: The number of the groove (802), the connecting bolt (803), the spring (804) and the clamping block (805) are all four.

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