Multi-functional hot blast stove

Abstract

The utility model belongs to hot -blast stove technical field, concretely is multifunctional hot -blast stove, including heating case, the heating case top is equipped with the heat exchange box, the heat exchange box lateral wall is equipped with the air inlet pipe, the heat exchange box lateral wall is equipped with the hot -blast pipe, the air inlet pipe lateral wall is equipped with the filter component, the hot -blast pipe lateral wall is equipped with the cooling component, the heating case lateral wall is equipped with the waste heat recovery component, can according to the use condition convenient maintenance cleaning with the setting of filter component, can utilize the external cooling equipment to the hot -blast pipe and carry out quick cooling through the setting of cooling component, through the waste heat recovery component can the waste heat that the heating case inside combustion after produces recycling, is convenient to other material and carries out drying treatment, strengthens the function of multifunctional hot -blast stove and is various effect.

Description

Technical Field

[0001] This utility model belongs to the field of hot air furnace technology, specifically a multi-functional hot air furnace. Background Technology

[0002] A hot blast stove is a device that transfers the heat generated by fuel combustion to the air to obtain hot air. In steel smelting, hot blast stoves provide high-temperature hot air to blast furnaces, aiding in the combustion of coke, increasing the reaction temperature and efficiency inside the blast furnace, and reducing coke consumption.

[0003] The working principle of a hot air furnace is essentially to release heat through fuel combustion and transfer the heat to the air, thereby raising its temperature and forming hot air. The high-temperature flue gas exchanges heat with the cold air through the heat exchange surface, transferring the heat to the air, and then is discharged after its own temperature decreases.

[0004] After prolonged use, it was found that the air inlet filter of the traditional hot air furnace accumulates impurities, affecting the entry of gas. It is also inconvenient to disassemble and clean, which is not conducive to the long-term use of the hot air furnace and affects the stability of its operation.

[0005] Therefore, this utility model provides a multifunctional hot air furnace. Utility Model Content

[0006] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0007] The technical solution adopted by this utility model to solve its technical problem is as follows: The multifunctional hot air furnace of this utility model includes a heating box; a heat exchange box is installed on the top of the heating box; an air inlet pipe is installed on the side wall of the heat exchange box; a hot air pipe is installed on the side wall of the heat exchange box; a filter assembly is provided on the side wall of the air inlet pipe; a cooling assembly is provided on the side wall of the hot air pipe; and a waste heat recovery assembly is provided on the side wall of the heating box. Through the above structure, the filter assembly can be easily maintained and cleaned according to the usage conditions; the cooling assembly can be used to quickly cool the hot air pipe using an external cooling device; and the waste heat recovery assembly can recover and utilize the waste heat generated after combustion inside the heating box, facilitating the drying of other materials and enhancing the multifunctional hot air furnace's versatility.

[0008] Preferably, the filter assembly includes a sealing ring; the side wall of the sealing ring has an installation groove; a filter screen is slidably fitted on the inner side wall of the installation groove; with the above structure, the sealing ring and installation groove can be used to maintain, clean or remove and replace the filter screen according to usage requirements, making the interception and maintenance at the end of the air inlet pipe more convenient, and reducing the amount of impurities remaining inside the air inlet pipe or entering the heating box and affecting the combustion, further enhancing the filtration and maintenance effect of the multi-functional hot air furnace.

[0009] Preferably, the cooling assembly includes a cooling ring; the cooling ring has a water inlet pipe on its side wall; through the above structure, the cooling ring and water inlet pipe can be connected to an external cooling device to make the outer wall of the hot air pipe cool evenly, better control the outlet air temperature, and further enhance the cooling uniformity of the multi-functional hot air furnace.

[0010] Preferably, the waste heat recovery component includes a heat exhaust pipe; the heat exhaust pipe is provided in multiple sets; a diversion box is installed at the output end of the heat exhaust pipe; and a connecting pipe is installed at the output end of the diversion box. Through the above structure, the heat exhaust pipe and the diversion box can discharge and divert the waste heat generated by combustion inside the heating box. The connecting pipe can be connected to the drying box to facilitate the drying of other materials, further enhancing the waste heat recovery effect of the multi-functional hot air furnace.

[0011] Preferably, a control frame is fixedly connected to the side wall of the filter screen; an anti-slip pad is fixedly connected to the side wall of the control frame; the anti-slip pad is evenly distributed on the side wall of the control frame; through the above structure, the setting of the control frame and the anti-slip pad can make the pulling out and installation of the filter screen better controlled, further enhancing the control and portability of the multi-functional hot air furnace.

[0012] Preferably, a sealing plate is slidably fitted on the inner side wall of the connecting pipe; a pull ring is fixedly connected to the outer side wall of the sealing plate; through the above structure, the sealing plate and pull ring can seal the connecting pipe when it is not in use, preventing heat loss and further enhancing the sealing effect of the multi-functional hot air furnace.

[0013] Preferably, the heating box is provided with a temperature display panel on its side wall; through the above structure, the temperature display panel can detect and display the temperature of the gas output from the hot air pipe, further enhancing the exhaust temperature detection effect of the multi-functional hot air furnace.

[0014] The beneficial effects of this utility model are as follows:

[0015] 1. The multi-functional hot air furnace described in this utility model, through the setting of the filter component, can be easily maintained and cleaned according to the usage conditions; through the setting of the cooling component, the hot air pipe can be quickly cooled by the external cooling equipment; through the waste heat recovery component, the waste heat generated after combustion inside the heating box can be recovered and utilized, which is convenient for drying other materials, thus enhancing the multi-functional hot air furnace's versatility.

[0016] 2. The multi-functional hot air furnace described in this utility model allows for easy maintenance, cleaning, or replacement of the filter screen according to usage requirements through the setting of the sealing ring and installation groove. This makes the interception and maintenance at the end of the air inlet pipe more convenient and reduces the amount of impurities remaining inside the air inlet pipe or entering the heating box, thus affecting the combustion and further enhancing the filtration and maintenance effect of the multi-functional hot air furnace. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings.

[0018] Figure 1 This is a perspective view of the present invention;

[0019] Figure 2 This is a side view of the present invention;

[0020] Figure 3 This is a schematic diagram of the cooling ring structure in this utility model;

[0021] Figure 4 This is a schematic diagram of the filter screen structure in this utility model.

[0022] In the diagram: 1. Heating box; 11. Heat exchange box; 12. Air inlet pipe; 13. Hot air pipe; 2. Sealing ring; 21. Mounting groove; 22. Filter screen; 3. Cooling ring; 31. Water inlet pipe; 4. Heat exhaust pipe; 41. Diverter box; 42. Connecting pipe; 5. Control frame; 51. Anti-slip pad; 6. Sealing plate; 61. Pull ring; 7. Temperature display panel. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] like Figures 1 to 4 As shown, the multifunctional hot air furnace of this utility model embodiment includes a heating box 1; a heat exchange box 11 is installed on the top of the heating box 1; an air inlet pipe 12 is installed on the side wall of the heat exchange box 11; a hot air pipe 13 is installed on the side wall of the heat exchange box 11; a filter assembly is provided on the side wall of the air inlet pipe 12; a cooling assembly is provided on the side wall of the hot air pipe 13; and a waste heat recovery assembly is provided on the side wall of the heating box 1. During operation, the filter assembly can block and filter the gas input at the end of the air inlet pipe 12, and it can be disassembled and maintained independently after long-term use for easy cleaning. The cooling assembly can cool the hot air pipe. When cooling is required, an external cooling device can be used for rapid cooling. The waste heat recovery component can guide the residual heat from combustion in the heating box 1 for subsequent drying of materials. The filter component allows for easy maintenance and cleaning based on usage conditions. The cooling component allows for rapid cooling of the hot air pipe 13 using an external cooling device. The waste heat recovery component can recover and utilize the residual heat generated after combustion inside the heating box 1 for drying of other materials, thus enhancing the versatility of the multi-functional hot air furnace.

[0025] like Figures 1 to 4As shown, the filter assembly includes a sealing ring 2; the side wall of the sealing ring 2 has an installation groove 21; a filter screen 22 is slidably fitted onto the inner side wall of the installation groove 21; during operation, the filter screen 22 can be disassembled, cleaned, or replaced according to the degree of impurities intercepted by the sealing ring 2 and the installation groove 21, preventing impurities and liquids from entering the heating chamber 1 during cleaning and affecting the heating effect in the next cycle; the setting of the sealing ring 2 and the installation groove 21 allows for maintenance, cleaning, or replacement of the filter screen 22 according to usage requirements, making the interception and maintenance at the end of the air inlet pipe 12 more convenient, and reducing the amount of impurities remaining inside the air inlet pipe 12 or entering the heating chamber 1 and affecting combustion, further enhancing the filtration and maintenance effect of the multi-functional hot air furnace.

[0026] like Figures 1 to 3 As shown, the cooling assembly includes a cooling ring 3; a water inlet pipe 31 is provided on the side wall of the cooling ring 3; during operation, the outer wall of the hot air pipe 13 can be cooled by external cooling equipment through the cooling ring 3 and the water inlet pipe 31, thereby controlling the temperature of the gas discharged from the hot air pipe 13; the arrangement of the cooling ring 3 and the water inlet pipe 31 allows the outer wall of the hot air pipe 13 to be cooled evenly by external cooling equipment, which better controls the outlet air temperature and further enhances the cooling uniformity of the multi-functional hot air furnace.

[0027] like Figures 1 to 2 As shown, the waste heat recovery component includes a heat exhaust pipe 4; multiple sets of heat exhaust pipe 4 are provided; a diversion box 41 is installed at the output end of the heat exhaust pipe 4; a connecting pipe 42 is installed at the output end of the diversion box 41; during operation, the waste heat generated by combustion inside the heating box 1 can be discharged and diverted through the heat exhaust pipe 4 and the diversion box 41, and the drying box is connected through the connecting pipe 42 to facilitate the heating and drying of materials; the arrangement of the heat exhaust pipe 4 and the diversion box 41 can discharge and divert the waste heat generated by combustion inside the heating box 1, and the arrangement of the connecting pipe 42 can connect to the drying box to facilitate the drying of other materials, further enhancing the waste heat recovery effect of the multi-functional hot air furnace.

[0028] like Figure 4 As shown, a control frame 5 is fixedly connected to the side wall of the filter screen 22; an anti-slip pad 51 is fixedly connected to the side wall of the control frame 5; the anti-slip pad 51 is evenly distributed on the side wall of the control frame 5; during operation, the filter screen 22 can be pulled out more easily through the control frame 5 and the anti-slip pad 51; the setting of the control frame 5 and the anti-slip pad 51 can make the pulling out and installation of the filter screen 22 better controlled, further enhancing the control and portability of the multi-functional hot air furnace.

[0029] like Figures 1 to 2As shown, a sealing plate 6 is slidably fitted on the inner wall of the connecting pipe 42; a pull ring 61 is fixedly connected to the outer wall of the sealing plate 6; during operation, the sealing plate 6 and the pull ring 61 can seal the connecting pipe 42 when it is not in use, preventing the heat inside the heating box 1 from dissipating when it is in use; the setting of the sealing plate 6 and the pull ring 61 can seal the connecting pipe 42 when it is not in use, preventing heat dissipation, and further enhancing the sealing effect of the multi-functional hot air furnace.

[0030] like Figures 1 to 2 As shown, a temperature display panel 7 is provided on the side wall of the heating box 1. During operation, the temperature at the end of the hot air pipe 13 can be detected and displayed through the temperature display panel 7, which can better control the outlet air temperature. The temperature display panel 7 can also detect and display the gas temperature output by the hot air pipe 13, further enhancing the exhaust air temperature detection effect of the multi-functional hot air furnace.

[0031] During operation, the filter assembly can block and filter the gas entering from the end of the air inlet duct 12. It can also be disassembled and maintained automatically after prolonged use for easy cleaning. The cooling assembly allows for rapid cooling of the hot air duct 13 when external cooling equipment is needed. The waste heat recovery assembly guides the residual heat from combustion in the heating chamber 1 for subsequent material drying. The sealing ring 2 and mounting groove 21 allow for disassembly, cleaning, or replacement of the filter 22 based on its impurity interception level, preventing impurities and liquids from entering the heating chamber 1 during cleaning and affecting subsequent heating effects. The cooling ring 3 and water inlet pipe... 31 can be cooled by an external cooling device to control the temperature of the gas discharged from the hot air duct 13. The waste heat generated by combustion inside the heating box 1 can be discharged and diverted through the heat exhaust pipe 4 and the diversion box 41. The drying box is connected through the connecting pipe 42 to facilitate the heating and drying of materials. The filter screen 22 can be pulled out more easily through the control frame 5 and the anti-slip pad 51. The connecting pipe 42 can be sealed when not in use to prevent the heat inside the heating box 1 from dissipating when in use. The temperature display panel 7 can detect and display the temperature at the end of the hot air duct 13 to better control the outlet temperature.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-functional hot air furnace, comprising a heating chamber (1); characterized in that: The heating box (1) is equipped with a heat exchange box (11) on top; an air inlet pipe (12) is installed on the side wall of the heat exchange box (11); a hot air pipe (13) is installed on the side wall of the heat exchange box (11); a filter assembly is provided on the side wall of the air inlet pipe (12); a cooling assembly is provided on the side wall of the hot air pipe (13); and a waste heat recovery assembly is provided on the side wall of the heating box (1).

2. The multifunctional hot air furnace according to claim 1, characterized in that: The filter assembly includes a sealing ring (2); the side wall of the sealing ring (2) is provided with an installation groove (21); a filter screen (22) is slidably fitted on the inner side wall of the installation groove (21).

3. The multifunctional hot air furnace according to claim 1, characterized in that: The cooling assembly includes a cooling ring (3); the cooling ring (3) has a water inlet pipe (31) on its side wall.

4. The multifunctional hot air furnace according to claim 1, characterized in that: The waste heat recovery assembly includes a heat exhaust pipe (4); the heat exhaust pipe (4) is provided in multiple sets; a diversion box (41) is installed at the output end of the heat exhaust pipe (4); and a connecting pipe (42) is installed at the output end of the diversion box (41).

5. The multifunctional hot air furnace according to claim 2, characterized in that: The filter screen (22) is fixedly connected to a control frame (5) on its side wall; the control frame (5) is fixedly connected to an anti-slip pad (51) on its side wall; the anti-slip pad (51) is evenly distributed on the side wall of the control frame (5).

6. The multifunctional hot air furnace according to claim 4, characterized in that: The inner wall of the connecting pipe (42) is slidably fitted with a sealing plate (6); the outer wall of the sealing plate (6) is fixedly connected with a pull ring (61).

7. The multifunctional hot air furnace according to claim 1, characterized in that: The heating box (1) is provided with a temperature display panel (7) on its side wall.

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