CN215638935U

CN215638935U - Continuous casting billet sensible heat energy recycling device

Info

Publication number: CN215638935U
Application number: CN202121166608.3U
Authority: CN
Inventors: 杨少强; 林涵勇; 徐素昌
Original assignee: Xiaogan Jinda Iron And Steel Co ltd
Current assignee: Xiaogan Jinda Iron And Steel Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2022-01-25
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses a continuous casting billet sensible heat energy recycling device, which relates to the technical field of steel smelting, and comprises a heat exchange box, wherein cold air flowing in a heat collecting pipe can exchange heat with the inner wall of a casting mold when the device is used, the air in the heat collecting pipe is rapidly heated and circularly flows in a heat conducting pipe under the action of an exhaust fan, cold water stored in the heat exchange box can exchange heat with hot air flowing in the heat conducting pipe, hot water can be output for life or other purposes after being heated to a required temperature, the device can intensively collect and recycle waste heat, energy waste is avoided, an arranged heat collecting pipe assembly sucks external cold air into the casting mold, the mold can be cooled, the cooling speed of molten steel is accelerated, in addition, an impeller arranged in the heat exchange box can stir the internal water, the cold water and the hot water in the water heater are uniformly mixed, and the water heating speed is accelerated.

Description

Continuous casting billet sensible heat energy recycling device

Technical Field

The utility model relates to the technical field of steel smelting, in particular to a continuous casting billet sensible heat energy recycling device.

Background

The continuous casting blank is a product obtained by casting molten steel smelted by a steel smelting furnace through a continuous casting machine, the production flow of the continuous casting machine is that high-temperature molten steel is continuously poured into one or a group of water-cooled copper crystallizers, the molten steel is gradually solidified into blank shells along the peripheries of the crystallizers, after the surface of the molten steel rises to a certain height, the blank shells are solidified to a certain thickness, a withdrawal and straightening machine pulls out the blanks, the blanks are completely solidified through water spraying and cooling in a secondary cooling area, the blanks are cut to a fixed length by a cutting device according to the requirements of steel rolling, and the process of directly pouring the high-temperature molten steel into the steel blanks is called continuous casting.

But can produce a large amount of heats in the conticaster working process, the casting of casting high temperature is placed on the factory building ground after unpacking, makes its natural cooling, adopts this kind of natural cooling's measure, can make a large amount of heat energy directly give off to the atmosphere inefficiently, causes a large amount of wastes of heat energy, the polluted environment to seriously influence ecology and safety problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a continuous casting billet sensible heat energy recycling device, which solves the problems that the waste heat cannot be fully utilized and the direct discharge of the heat has adverse effects on the environment due to the lack of the recycling device in the continuous casting billet production process.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a continuous casting billet sensible heat energy recycle device, includes the heat exchange box, the inside fixedly connected with heat pipe of heat exchange box, the one end of heat pipe runs through the lateral wall and the fixedly connected with gas-supply pipe of heat exchange box, the air exhauster has been concatenated to the one end of gas-supply pipe, the inner chamber top of heat exchange box rotates and is connected with the impeller, and one side fixedly connected with casting die utensil of heat exchange box, fixedly connected with thermal-collecting tube set spare in the casting die utensil wall chamber.

The heat collecting pipe assembly comprises a heat collecting pipe, a first air inlet is formed in one end of the heat collecting pipe, a second air inlet is formed in the other end of the heat collecting pipe, a first air outlet is formed in one side of the middle position of the heat collecting pipe, and the heat collecting pipe is in a longitudinal spiral shape.

Furthermore, one end of the exhaust fan penetrates through the side wall of the casting die through an air pipe and is connected with the first air outlet in series.

Furthermore, the top of the heat exchange box is fixedly connected with a motor, and a driving shaft of the impeller penetrates through the outer wall of the heat exchange box and is fixedly connected to the driving end of the motor.

Furthermore, casting die utensil bottom fixedly connected with support frame, and casting die utensil openly top one corner and below one corner have seted up first air intake and second air intake respectively, first air intake and second air intake are linked together with first air inlet, second air inlet respectively, the equal fixedly connected with supporting legs in four turnings of support frame and heat exchange box bottom.

Furthermore, a water injection pipe is fixedly connected to the middle position of the bottom of the heat exchange box, and a water outlet pipe is fixedly connected to the lower portion of one side wall.

Furthermore, the middle position of the front surface of the heat exchange box is fixedly connected with a temperature display, a second air outlet is formed in one side wall of the heat exchange box, the back temperature sensing end of the temperature display penetrates through the outer wall of the heat exchange box and extends to the inside, and the second air outlet is communicated with the inside of one end of the heat conduction pipe.

Advantageous effects

The utility model provides a continuous casting billet sensible heat energy recycling device. Compared with the prior art, the method has the following beneficial effects:

1. a continuous casting billet sensible heat energy recycling device comprises a heat exchange box, wherein a heat pipe is fixedly connected inside the heat exchange box, one end of the heat pipe penetrates through the side wall of the heat exchange box and is fixedly connected with a gas pipe, an exhaust fan is connected at one end of the gas pipe in series, an impeller is rotatably connected to the top of an inner cavity of the heat exchange box, a casting mold is fixedly connected to one side of the heat exchange box, and a heat collecting pipe assembly is fixedly connected in a wall cavity of the casting mold, when the device is used, cold air flowing in the heat collecting pipe can exchange heat with the inner wall of the casting mold, air in the heat collecting pipe is rapidly heated and circularly flows in the heat pipe under the action of the exhaust fan, cold water stored in the heat exchange box can exchange heat with hot air flowing in the heat pipe, so that water in the heat exchange box is heated, and the hot water can be output for life or other purposes after being heated to a required temperature, the device makes the waste heat can be concentrated and collected to obtain recycle, has avoided the energy extravagant, also avoids heat direct emission simultaneously, has protected ecological environment.

2. The utility model provides a continuous casting billet sensible heat energy recycle device, the thermal-collecting tube subassembly that sets up inhales into casting die utensil with outside cold air, can cool off the mould for the cooling rate of molten steel, in addition, the impeller that sets up in the heat exchange box can stir its inside water, makes its inside hot and cold water misce bene, has accelerated water programming rate.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of a heat collecting tube assembly according to the present invention.

In the figure: 1. a heat exchange box; 2. a heat conducting pipe; 3. a gas delivery pipe; 4. an exhaust fan; 5. an impeller; 6. an electric motor; 7. casting a mould; 8. a heat collecting tube assembly; 801. a heat collecting pipe; 802. a first air inlet; 803. a second air inlet; 804. a first air outlet; 9. a support frame; 10. a first air inlet; 11. a second air inlet; 12. a water injection pipe; 13. a water outlet pipe; 14. a temperature display; 15. a second air outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a continuous casting billet sensible heat energy recycling device comprises a heat exchange box 1, a heat pipe 2 is fixedly connected inside the heat exchange box 1, one end of the heat pipe 2 penetrates through the side wall of the heat exchange box 1 and is fixedly connected with a gas pipe 3, one end of the gas pipe 3 is connected with an exhaust fan 4 in series, the top of an inner cavity of the heat exchange box 1 is rotatably connected with an impeller 5, one side of the heat exchange box 1 is fixedly connected with a casting mold 7, a heat collecting pipe assembly 8 is fixedly connected in a wall cavity of the casting mold 7, one end of the exhaust fan 4 penetrates through the side wall of the casting mold 7 through a gas pipe and is connected with a first gas outlet 804 in series, the top of the heat exchange box 1 is fixedly connected with a motor 6, a driving shaft of the impeller 5 penetrates through the outer wall of the heat exchange box 1 and is fixedly connected with a driving end of the motor 6, a supporting frame 9 is fixedly connected with the bottom of the casting mold 7, and a first air inlet 10 and a second air inlet 11 are respectively arranged at one corner above and one corner below the front of the casting mold 7, first air intake 10 and second air intake 11 are linked together with first air inlet 802 respectively, second air inlet 803, the equal fixedly connected with supporting legs in four turnings in support frame 9 and heat exchange box 1 bottom, heat exchange box 1's bottom intermediate position fixedly connected with water injection pipe 12, and a lateral wall below fixedly connected with outlet pipe 13, heat exchange box 1 openly intermediate position fixedly connected with temperature monitor 14, and a lateral wall has seted up second gas outlet 15, temperature monitor 14 back temperature sensing end runs through heat exchange box 1 outer wall and extends to inside, second gas outlet 15 is linked together with the one end inside of heat pipe 2.

Referring to fig. 3, the heat collecting tube assembly 8 includes a heat collecting tube 801, one end of the heat collecting tube 801 is provided with a first air inlet 802, the other end of the heat collecting tube 801 is provided with a second air inlet 803, one side of the middle position of the heat collecting tube 801 is provided with a first air outlet 804, and the heat collecting tube 801 is in a longitudinal spiral shape.

When the heat exchange box is used, firstly, molten steel is filled into a casting mold 7 through external equipment, at the moment, an exhaust fan 4 is started, a heat collection pipe 801 sucks external cold air into the heat collection pipe 801 through a first air inlet 10 and a second air inlet 11, the heat collection pipe 801 is tightly attached to the casting mold 7, therefore, the heat emitted by the casting mold 7 quickly heats the air in the heat collection pipe 801, the exhaust fan 4 inputs high-temperature air into a heat conduction pipe 2 through an air conveying pipe 3, the high-temperature air exchanges heat with cold water through the outer wall of the heat collection pipe 801, so that the cold water in the heat exchange box 1 is heated, at the moment, a motor 6 is started to drive an impeller 5 to rotate, water with uneven cold and hot water up and down in the heat exchange box 1 is fully mixed to enable the water temperature to be consistent, the change situation of the water temperature is observed in real time through an external temperature display 14, and hot water can be discharged for use through a water outlet pipe 13 when the water temperature meets requirements, then, cold water is added again through the water injection pipe 12 to continue heating, and the circulation can continuously heat the cold water.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a continuous casting billet sensible heat energy recycle device, includes heat exchange box (1), its characterized in that: the heat exchange box is characterized in that a heat pipe (2) is fixedly connected inside the heat exchange box (1), one end of the heat pipe (2) penetrates through the side wall of the heat exchange box (1) and is fixedly connected with a gas pipe (3), an exhaust fan (4) is connected in series with one end of the gas pipe (3), an impeller (5) is rotatably connected to the top of an inner cavity of the heat exchange box (1), a casting mold (7) is fixedly connected to one side of the heat exchange box (1), and a heat collecting pipe assembly (8) is fixedly connected to the wall cavity of the casting mold (7);

the heat collecting pipe assembly (8) comprises a heat collecting pipe (801), a first air inlet (802) is formed in one end of the heat collecting pipe (801), a second air inlet (803) is formed in the other end of the heat collecting pipe (801), a first air outlet (804) is formed in one side of the middle position of the heat collecting pipe (801), and the heat collecting pipe (801) is in a longitudinal spiral shape.

2. The continuous casting billet sensible heat energy recycling device of claim 1, characterized in that: one end of the exhaust fan (4) penetrates through the side wall of the casting die (7) through an air pipe and is connected with the first air outlet (804) in series.

3. The continuous casting billet sensible heat energy recycling device of claim 1, characterized in that: the top of the heat exchange box (1) is fixedly connected with a motor (6), and a driving shaft of the impeller (5) penetrates through the outer wall of the heat exchange box (1) and is fixedly connected to the driving end of the motor (6).

4. The continuous casting billet sensible heat energy recycling device of claim 1, characterized in that: casting die utensil (7) bottom fixedly connected with support frame (9), and casting die utensil (7) openly top one corner and below one corner seted up first air intake (10) and second air intake (11) respectively, first air intake (10) and second air intake (11) are linked together with first air inlet (802), second air inlet (803) respectively, support frame (9) and the equal fixedly connected with supporting legs in four turnings in heat exchange case (1) bottom.

5. The continuous casting billet sensible heat energy recycling device of claim 1, characterized in that: the bottom middle position of the heat exchange box (1) is fixedly connected with a water injection pipe (12), and a water outlet pipe (13) is fixedly connected below one side wall.

6. The continuous casting billet sensible heat energy recycling device of claim 1, characterized in that: the heat exchange box is characterized in that a temperature display (14) is fixedly connected to the middle position of the front face of the heat exchange box (1), a second air outlet (15) is formed in one side wall of the heat exchange box, the back temperature sensing end of the temperature display (14) penetrates through the outer wall of the heat exchange box (1) and extends to the inside of the heat exchange box, and the second air outlet (15) is communicated with the inside of one end of the heat conduction pipe (2).