Waste heat recovery device for metallurgical cooling bed

Abstract

The utility model provides a waste heat recovery device for a metallurgical cooling bed, and belongs to the technical field of metallurgical cooling beds. The waste heat recovery device for the metallurgical cooling bed comprises a recovery assembly and a heating assembly, a heat absorption piece is arranged on one side of a heat collection cover, firstly, the heat collection cover and the heat absorption piece are arranged above a cooling bed body, and the heat collection cover is beneficial to forming a proper closed area above the cooling bed body, reducing heat loss and improving waste heat recovery efficiency; the heat above the cooling bed body is conveyed into the box body through cooperation of the exhaust fan and the heat absorption piece, collected gas enters the box body and heats water in the threaded pipe, the flowing distance of the gas in the box body is prolonged through flow guiding of the multiple sets of baffles on the gas, the heat exchange effect of the gas and the threaded pipe is improved, and the service life of the cooling bed is prolonged. The waste heat utilization rate is increased, heat loss above the cooling bed body is prevented, resource waste is prevented, meanwhile, the waste heat utilization rate is increased conveniently, and therefore practicability is improved.

Description

Technical Field

[0001] The present application relates to the field of metallurgical cooling beds, and in particular, to a waste heat recovery device for metallurgical cooling beds. Background Art

[0002] When producing steel products such as bars and steel sections in the metallurgical industry, the cooling process must be performed after the rolling process. The cooling process is to send the semi-finished products after rolling to the cooling bed through a transmission device such as a roller and carry out natural cooling or water spray cooling, so that the rolled product is reduced from 800-950°C before cooling to below 80-100°C on the cooling bed. For example, a waste heat recovery device for a metallurgical cooling bed with Chinese patent application number CN202221254385.0 includes a water tank and a heat exchange tube. The end of the heat exchange tube is located outside the water tank. One end of the heat exchange tube is connected to the inlet end of the vacuum pump, and the other end of the heat exchange tube is connected to the pipe joint through a connecting hose. The tube The pipe joint is arranged on the cooling bed rack, and a heat exchanging mechanism for exchanging heat for the cooling bed rack is arranged on the cooling bed rack. An air inlet opening downward is arranged at the lower end of the heat exchanging mechanism, and the air inlet is communicated with the pipe joint. In the waste heat recovery device, a heat exchanging mechanism adapted to the cooling bed rack is arranged. During the operation of the cooling bed, the cooling bed rack is heated by the rolled piece, and the outside air flows into the heat exchanging mechanism through the air inlet, and heat is exchanged with the cooling bed rack through the air. After the air is heated, the hot air heats the water in the water tank when flowing in the heat exchange pipe, thereby realizing energy recovery and effectively improving the energy utilization rate.

[0003] However, the above solution still has certain defects: first, the heat above the cooling bed is easy to lose, which easily causes waste of resources; second, it is not convenient to improve the utilization rate of waste heat, thereby reducing practicality. Utility Model Content

[0004] In order to make up for the above shortcomings, the present application provides a waste heat recovery device for a metallurgical cooling bed, aiming to improve the problem in the related technology that the heat above the cooling bed is easily lost, which easily causes waste of resources, and secondly it is inconvenient to improve the utilization rate of waste heat, thereby reducing practicality.

[0005] An embodiment of the present application provides a waste heat recovery device for a metallurgical cooling bed, including a recovery component and a heating component.

[0006] The recovery component includes a cooling bed body, a heat collecting cover and a heat absorbing element. The heat collecting cover is arranged on one side of the cooling bed body, and the heat absorbing element is arranged on one side of the heat collecting cover. The heating component includes a box body, an exhaust fan, a water pump, a water tank, a threaded pipe and a baffle. The exhaust fan is arranged on one side of the box body, and the exhaust fan is connected with the heat absorbing element. The water pump is arranged on one side of the box body, and the water tank is correspondingly arranged inside the box body. The water pump is connected with the water tank, and the threaded pipe is connected with the water tank. Several baffles are arranged inside the box body, and the threaded pipe is connected through one side of the baffle.

[0007] In a specific embodiment, the heat absorption component includes a horizontal tube, a vertical tube and an air suction hood, wherein a plurality of vertical tubes are arranged on one side of the horizontal tube, the vertical tubes are connected to one side of the heat collecting hood, a plurality of air suction hoods are arranged inside the heat collecting hood, and the vertical tubes are connected to the air suction hoods.

[0008] In the above implementation process, the heat above the cooling bed can be absorbed through the horizontal pipe, the vertical pipe and the suction hood.

[0009] In a specific embodiment, an air outlet pipe is provided on one side of the box body.

[0010] In the above implementation process, an air outlet pipe is provided on one side of the box body to facilitate exhaust.

[0011] In a specific implementation, a connecting pipe is provided on one side of the exhaust fan, and the connecting pipe is connected to the horizontal pipe.

[0012] In the above implementation process, a connecting pipe is provided on one side of the exhaust fan, and the connecting pipe can play a role of connection.

[0013] In a specific embodiment, an air inlet pipe is provided on one side of the exhaust fan, and the air inlet pipe is connected to one side of the box body through.

[0014] In the above implementation process, an air inlet pipe is provided on one side of the exhaust fan, and the air inlet pipe can transport the hot gas to the inside of the box.

[0015] In a specific implementation, water pipes are provided on both sides of the water pump, the water pipes penetrate and are connected to one side of the box body, and the water pipes are communicated with the water tank.

[0016] In the above implementation process, water pipes are arranged on both sides of the water pump, and the water pipes can play a role of communication.

[0017] In a specific embodiment, a water inlet pipe is provided on one side of the water tank, and the water inlet pipe is connected to one side of the tank body through.

[0018] In the above implementation process, a water inlet pipe is provided on one side of the water tank, and the water inlet pipe is provided to facilitate the transportation of water into the water tank.

[0019] In a specific embodiment, a water outlet pipe is provided on one side of the water tank, and the water outlet pipe is connected to one side of the tank body through the water outlet pipe.

[0020] In the above implementation process, a water outlet pipe is provided on one side of the water tank to facilitate drainage.

[0021] Compared with the prior art, the beneficial effects of the present application are as follows: first, a heat collecting cover and a heat absorbing component are arranged above the cooling bed body, the heat collecting cover is conducive to forming an appropriate closed area above the cooling bed body, reducing heat loss, and is conducive to improving the waste heat recovery efficiency, and the heat above the cooling bed body is transported to the inside of the box through the exhaust fan and the heat absorbing component, so that the collected gas enters the inside of the box and heats the water in the threaded pipe, and the gas is guided by multiple groups of baffles to extend the flow distance of the gas inside the box, thereby improving the heat exchange effect between the gas and the threaded pipe, and improving the utilization rate of waste heat, thereby preventing heat loss above the cooling bed body and preventing waste of resources, and at the same time facilitating the improvement of the utilization rate of waste heat, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the implementation methods of the present application, the drawings required for use in the implementation methods will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a schematic structural diagram of a waste heat recovery device for a metallurgical cooling bed provided in an embodiment of the present application;

[0024] Figure 2 A schematic diagram of the heat absorbing component structure provided in the embodiment of the present application;

[0025] Figure 3 A schematic diagram of the box structure provided for the implementation method of this application;

[0026] Figure 4 A schematic diagram of the water tank structure provided for an implementation manner of the present application.

[0027] In the figure: 100-recovery component; 110-cooling bed body; 120-heat collecting cover; 130-heat absorbing element; 131-horizontal pipe; 132-vertical pipe; 133-air suction cover; 200-heating component; 210-box; 211-air outlet pipe; 220-exhaust fan; 221-connecting pipe; 222-air inlet pipe; 230-water pump; 231-water pipe; 240-water tank; 241-water inlet pipe; 242-water outlet pipe; 250-threaded pipe; 260-baffle. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.

[0029] In order to make the purpose, technical solutions and advantages of the implementation methods of this application clearer, the technical solutions in the implementation methods of this application will be clearly and completely described below in conjunction with the drawings in the implementation methods of this application. Obviously, the described implementation methods are part of the implementation methods of this application, not all of the implementation methods. Based on the implementation methods in this application, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0030] See also Figure 1-4 The present application provides a waste heat recovery device for a metallurgical cooling bed, including a recovery component 100 and a heating component 200. The recovery component 100 can play a role in heat recovery, and the heating component 200 can play a role in heat recovery and utilization.

[0031] See also Figure 1-2 The recovery component 100 includes a cooling bed body 110, a heat collecting cover 120 and a heat absorbing member 130. The heat collecting cover 120 is arranged on one side of the cooling bed body 110, and the heat absorbing member 130 is arranged on one side of the heat collecting cover 120. The heat absorbing member 130 includes a horizontal pipe 131, a vertical pipe 132 and an air suction cover 133. A plurality of vertical pipes 132 are arranged on one side of the horizontal pipe 131. The vertical pipes 132 are connected to one side of the heat collecting cover 120. A plurality of air suction covers 133 are arranged inside the heat collecting cover 120. The vertical pipes 132 are connected to the air suction covers 133. The heat above the cooling bed body 110 can be absorbed through the horizontal pipe 131, the vertical pipe 132 and the air suction cover 133.

[0032] See also Figure 1 , Figure 3 and Figure 4The heating component 200 includes a box body 210, an exhaust fan 220, a water pump 230, a water tank 240, a threaded pipe 250 and a baffle 260. The exhaust fan 220 is arranged on one side of the box body 210, and the exhaust fan 220 is connected to the heat absorption element 130. The water pump 230 is arranged on one side of the box body 210. The water tank 240 is correspondingly arranged inside the box body 210. The water pump 230 is connected to the water tank 240. The threaded pipe 250 is connected to the water tank 240. Several baffles 260 are arranged inside the box body 210. The threaded pipe 250 is connected to one side of the baffle 260. An exhaust pipe 211 is arranged on one side of the box body 210 to facilitate exhaust.

[0033] In some specific implementation schemes, a connecting pipe 221 is provided on one side of the exhaust fan 220, and the connecting pipe 221 is connected to the cross pipe 131. The connecting pipe 221 can play a connecting role. An air inlet pipe 222 is provided on one side of the exhaust fan 220, and the air inlet pipe 222 is connected to one side of the box body 210. The air inlet pipe 222 can transport the hot gas to the inside of the box body 210. Water pipes 231 are provided on both sides of the water pump 230. The water pipe 231 is connected to one side of the box body 210, and the water pipe 231 is connected to the water tank 240. The water pipe 231 can play a connecting role. A water inlet pipe 241 is provided on one side of the water tank 240, and the water inlet pipe 241 is connected to one side of the box body 210. The water inlet pipe 241 is convenient for transporting water to the inside of the water tank 240. A water outlet pipe 242 is provided on one side of the water tank 240, and the water outlet pipe 242 is connected to one side of the box body 210. The water outlet pipe 242 is convenient for drainage.

[0034] The working principle of the waste heat recovery device for the metallurgical cooling bed is as follows: the user can start the exhaust fan 220, and the heat above the cooling bed body 110 can be absorbed through the horizontal pipe 131, the vertical pipe 132 and the suction cover 133. The heat collecting cover 120 is conducive to forming a suitable closed area above the cooling bed body 110, reducing heat loss, and is conducive to improving the waste heat recovery efficiency. The heat above the cooling bed body 110 is transported to the inside of the box 210 through the exhaust fan 220, so that the collected gas enters the inside of the box 210 and heats the water in the threaded pipe 250. The gas is guided by multiple groups of baffles 260 to extend the flow distance of the gas inside the box 210, improve the heat exchange effect between the gas and the threaded pipe 250, and improve the utilization rate of the waste heat, thereby preventing the loss of heat above the cooling bed body 110 and preventing waste of resources. At the same time, it is convenient to improve the utilization rate of the waste heat, thereby improving practicality.

[0035] It should be noted that the specific model specifications of the exhaust fan 220 and the water pump 230 need to be selected and determined based on the actual specifications of the device, and the specific selection calculation method adopts the existing technology in the field, so it will not be described in detail.

[0036] The power supply and principle of the exhaust fan 220 and the water pump 230 are clear to those skilled in the art and will not be described in detail here.

[0037] The above are only embodiments of the present application and are not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0038] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A waste heat recovery device for a metallurgical cooling bed, characterized in that: include A recovery component (100), the recovery component (100) comprising a cooling bed body (110), a heat collecting cover (120) and a heat absorbing member (130), the heat collecting cover (120) being arranged on one side of the cooling bed body (110), and the heat absorbing member (130) being arranged on one side of the heat collecting cover (120); A heating component (200), the heating component (200) comprising a housing (210), an exhaust fan (220), a water pump (230), a water tank (240), a threaded pipe (250) and a baffle (260), the exhaust fan (220) being arranged on one side of the housing (210), the exhaust fan (220) being in communication with the heat absorbing element (130), the water pump (230) being arranged on one side of the housing (210), the water tank (240) being correspondingly arranged inside the housing (210), the water pump (230) being in communication with the water tank (240), the threaded pipe (250) being in communication with the water tank (240), a plurality of the baffles (260) being arranged inside the housing (210), and the threaded pipe (250) being connected through one side of the baffle (260).

2. A waste heat recovery device for a metallurgical cooling bed according to claim 1, characterized in that: The heat absorbing element (130) comprises a horizontal pipe (131), a vertical pipe (132) and an air suction hood (133); a plurality of the vertical pipes (132) are arranged on one side of the horizontal pipe (131); the vertical pipes (132) penetrate and are connected to one side of the heat collecting hood (120); a plurality of the air suction hoods (133) are arranged inside the heat collecting hood (120); and the vertical pipes (132) are in communication with the air suction hoods (133).

3. The waste heat recovery device for metallurgical cooling bed according to claim 1, characterized in that: An air outlet pipe (211) is provided on one side of the box body (210).

4. The waste heat recovery device for a metallurgical cooling bed according to claim 2, characterized in that: A connecting pipe (221) is provided on one side of the exhaust fan (220), and the connecting pipe (221) is connected to the horizontal pipe (131).

5. The waste heat recovery device for metallurgical cooling bed according to claim 1, characterized in that: An air intake pipe (222) is provided on one side of the exhaust fan (220), and the air intake pipe (222) penetrates and is connected to one side of the box body (210).

6. The waste heat recovery device for metallurgical cooling bed according to claim 1, characterized in that: Water pipes (231) are provided on both sides of the water pump (230); the water pipes (231) penetrate and connect to one side of the box body (210); and the water pipes (231) are in communication with the water tank (240).

7. The waste heat recovery device for metallurgical cooling bed according to claim 1, characterized in that: A water inlet pipe (241) is provided on one side of the water tank (240), and the water inlet pipe (241) penetrates and is connected to one side of the box body (210).

8. The waste heat recovery device for metallurgical cooling bed according to claim 1, characterized in that: A water outlet pipe (242) is provided on one side of the water tank (240), and the water outlet pipe (242) penetrates and is connected to one side of the box body (210).

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