Waste heat recovery device for reverberatory furnace

Abstract

The utility model relates to the technical field of reverberatory furnaces, and discloses a waste heat recovery device for a reverberatory furnace, which comprises a reverberatory furnace main body, a smoke pipe water jacket mounted at the upper end of the middle of the reverberatory furnace main body, four groups of furnace top beam water tanks mounted inside the reverberatory furnace main body, a charging water jacket mounted at the upper end of the reverberatory furnace main body, and a water outlet mounted at the lower end of the reverberatory furnace main body, a water return tank is arranged on one side of the reverberatory furnace body, and a fuming furnace circulating cooling water pipe, a tap water pipe, a demineralized water pipe, a first pipeline, a second pipeline, a third pipeline, a fourth pipeline, a bathhouse connecting pipe, a fuming furnace demineralized water tank pipe and a fuming circulating cooling water pool pipeline are arranged on one side of the reverberatory furnace body. The waste heat recovery device for the reverberatory furnace can effectively recover waste heat generated by the reverberatory furnace and apply the waste heat to cooling water circulation, bathing water and the like, and efficient utilization and saving of energy are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of reverberatory furnace, concretely to a waste heat recovery device for reverberatory furnace. BACKGROUND

[0002] Reverberatory furnace, also known as flame reverberatory furnace, is a metallurgical furnace that directly heats materials by flame to smelt metal, and its heat transfer in the furnace not only relies on the reflection of flame, but also mainly relies on the radiant heat transfer of the top, wall and hot gas of the furnace. The reverberatory furnace is mainly composed of furnace base, furnace bottom, furnace wall, furnace top, charging port, product discharge port, flue and other parts.

[0003] The traditional reverberatory furnace generates heat during use, and the heat is wasted in large quantities, which increases energy consumption waste, and thus a waste heat recovery device for reverberatory furnace is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a waste heat recovery device for reverberatory furnace, solving the problem that the traditional reverberatory furnace generates heat during use, and the heat is wasted in large quantities, which increases energy consumption waste, and thus a waste heat recovery device for reverberatory furnace is proposed.

[0005] The embodiment of the application provides a waste heat recovery device for reverberatory furnace, which comprises a reverberatory furnace body, a smoke pipe water jacket is installed at the upper end of the middle part of the reverberatory furnace body, four groups of furnace top beam water tanks are installed in the reverberatory furnace body, a charging water jacket is installed at the upper end of the reverberatory furnace body, a backwater tank is arranged on one side of the reverberatory furnace body, a smoke furnace circulating cooling water pipe, a tap water pipe, a desalted water pipe, a first pipeline, a second pipeline, a third pipeline, a fourth pipeline, a bath connecting pipe, a smoke furnace desalted water tank pipe and a smoke circulating cooling water pool pipeline are arranged on one side of the reverberatory furnace body.

[0006] By adopting the above technical scheme, through modification, a waste heat utilization point is added, the waste heat in the smoke gas of the reverberatory furnace body is converted into hot water, the use amount of low-pressure steam is reduced, and the smoke furnace only needs to supplement the low-pressure steam generated by the 3 or 4 layers of water jackets for heating, so that the desalted water can be heated to 104 DEG C by relying on waste heat recovery, the utilization rate of waste heat is increased, and energy consumption is reduced.

[0007] Optionally, a first cooling pipe, a second cooling pipe, a third cooling pipe and a fourth cooling pipe are installed on one side of the smoke furnace circulating cooling water pipe, the first cooling pipe and the second cooling pipe are installed with the charging water jacket respectively, and the third cooling pipe and the fourth cooling pipe are installed with both sides of the smoke pipe water jacket respectively.

[0008] Through the above technical scheme, the first cooling pipe and the second cooling pipe can connect the circulating cooling water pipe of the fuming furnace and the charging water jacket, and the third cooling pipe and the fourth cooling pipe can connect the smoke pipe water jacket and the circulating cooling water pipe of the fuming furnace.

[0009] Optionally, an outer wall of the first cooling pipe is provided with a tap water pipe, and one end of the tap water pipe is provided with a pressure pump.

[0010] Through the above technical scheme, the tap water pipe can transport water in the first cooling pipe, and the pressure pump can pressurize the tap water pipe.

[0011] Optionally, an outer wall of the third cooling pipe is provided with a desalted water pipe, an outer wall of the desalted water pipe is provided with a desalted connecting pipe, and the desalted connecting pipe is installed with the fourth cooling pipe.

[0012] Through the above technical scheme, the third cooling pipe, the desalted cooling pipe and the fourth cooling pipe can transport water from the desalted water pipe to the fuming furnace bridge.

[0013] Optionally, an outer wall of the charging water jacket is provided with a first pipe and a second pipe, an outer wall of the smoke pipe water jacket is provided with a third pipe and a fourth pipe, the first pipe, the second pipe, the third pipe and the fourth pipe are installed with a backwater tank away from one side of the main body of the reverberatory furnace, and the backwater tank is installed with a fuming furnace circulating cooling water pool pipe away from one side of the third pipe.

[0014] Through the above technical scheme, the first pipe and the second pipe can connect the backwater tank and the charging water jacket, the third pipe and the fourth pipe can connect the backwater tank and the smoke pipe water jacket, and the fuming furnace circulating cooling water pool pipe can transport water in the backwater tank to the fuming furnace circulating cooling water pool.

[0015] Optionally, an outer wall of the first pipe is provided with a bath pipe, an outer wall of the second pipe is provided with a bath connecting pipe, the bath connecting pipe is installed with the bath pipe, an outer wall of the third pipe is provided with a fuming furnace desalted water tank pipe, and an outer wall of the fourth pipe is provided with a desalted water tank connecting pipe, and the desalted water tank connecting pipe is installed with the fuming furnace desalted water tank pipe.

[0016] Through the above technical scheme, the desalted water tank connecting pipe can transport water in the first pipe and the second pipe to the desalted water tank pipe, and water in the desalted water tank pipe can be transported to the fuming furnace desalted water tank.

[0017] Optionally, an inner part of each pipe is provided with a valve.

[0018] Through the above technical scheme, the valve can control the closing and opening of each pipe.

[0019] Optionally, the tap water pipe, desalted water pipe, smoke furnace desalted water tank pipe and bath house pipeline are DN50 type.

[0020] By adopting the above technical scheme, the tap water pipe, desalted water pipe, smoke furnace desalted water tank pipe and bath house pipeline are DN50 type, which can be matched with the effect.

[0021] Compared with the prior art, the beneficial effects of the technical scheme of the present application are as follows:

[0022] The technical scheme of the present application adds a waste heat utilization point by modification, converts the waste heat in the main smoke gas of the reverberatory furnace into hot water, reduces the use amount of low-pressure steam, and can achieve that the smoke furnace only needs to supplement the low-pressure steam generated by the 3 or 4 layers of water jacket for heating, realizes that the desalted water can be heated to 104 DEG C by waste heat recovery, increases the utilization rate of waste heat, reduces energy consumption, through the above working process, the waste heat recovery device for the reverberatory furnace can effectively recover the waste heat generated by the reverberatory furnace and apply it to cooling water circulation and bathing water, etc., realizes efficient utilization and saving of energy. BRIEF DESCRIPTION OF DRAWINGS

[0023] Other features, objects and advantages of the present application will become more apparent through reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0024] Figure 1 is a front view schematic diagram of the waste heat recovery device for the reverberatory furnace of the present application;

[0025] Figure 2 is a rear view schematic diagram of the waste heat recovery device for the reverberatory furnace of the present application;

[0026] Figure 3 is a top view schematic diagram of the waste heat recovery device for the reverberatory furnace of the present application;

[0027] Figure 4 is a side view schematic diagram of the waste heat recovery device for the reverberatory furnace of the present application; Figure 3 is an enlarged view of A in the waste heat recovery device for the reverberatory furnace of the present application.

[0028] In the figure: 1, the main body of the reverberatory furnace; 2, the smoke pipe water jacket; 3, the charging water jacket; 4, the furnace roof beam water tank; 5, the backwater tank; 6, the smoke furnace circulating cooling water pipe; 7, the first cooling pipe; 8, the second cooling pipe; 9, the third cooling pipe; 10, the fourth cooling pipe; 11, the tap water pipe; 12, the desalted water pipe; 13, the desalted connecting pipe; 14, the first pipe; 15, the second pipe; 16, the third pipe; 17, the fourth pipe; 18, the bath pipe; 19, the bath connecting pipe; 20, the smoke furnace desalted water tank pipe; 21, the desalted water tank connecting pipe; 22, the smoke furnace circulating cooling water pool pipe; 23, the pressurizing pump; 24, the valve. DETAILED DESCRIPTION

[0029] Please refer to Figures 1-4 , the utility model provides a technical scheme: a kind of waste heat recovery device for reverberatory furnace, including reverberatory furnace main body 1, the upper end of the middle part of reverberatory furnace main body 1 is equipped with smoke pipe water jacket 2, and four groups of furnace roof beam water tank 4 are installed in the inside of reverberatory furnace main body 1, and the upper end of reverberatory furnace main body 1 is equipped with charging water jacket 3, and one side of reverberatory furnace main body 1 is provided with backwater tank 5, and one side of reverberatory furnace main body 1 is provided with smoke furnace circulating cooling water pipe 6, tap water pipe 11, desalted water pipe 12, first pipe 14, second pipe 15, third pipe 16, fourth pipe 17, bath connecting pipe 19, smoke furnace desalted water tank pipe 20 and smoke cycle circulating cooling water pool pipe, and the outer wall of charging water jacket is equipped with first pipe 14 and second pipe 15, and the outer wall of smoke pipe water jacket 2 is equipped with third pipe 16 and fourth pipe 17, and the side, away from reverberatory furnace main body 1, of first pipe 14, second pipe 15, third pipe 16 and fourth pipe 17 is installed with backwater tank 5, and the side, away from third pipe 16, of backwater tank 5 is installed with smoke furnace circulating cooling water pool pipe 22.

[0030] In the technical scheme of the utility model, by reforming, newly add waste heat utilization point, convert the waste heat in the flue gas of reverberatory furnace main body 1 into hot water, reduce the use amount of low-pressure steam, and can only supplement the low-pressure steam heating generated by 3, 4 layers of water jackets of smoke furnace by the combination with the project of external cold waste heat utilization of smoke furnace body, realize that desalted water can be heated to 104 DEG C by waste heat recovery, increase the utilization rate of waste heat, and reduce energy consumption.

[0031] In addition, first pipe 14 and second pipe 15 can connect backwater tank 5 and charging water jacket 3, third pipe 16 and fourth pipe 17 can connect backwater tank 5 and smoke pipe water jacket 2, and smoke furnace circulating cooling water pool pipe 22 can transport the water in backwater tank 5 to smoke furnace circulating cooling water pool.

[0032] In the technical scheme of the utility model, such as Figure 2 , Figure 3 and Figure 4As shown, the outer wall of the first pipeline 14 is provided with a bath pipeline 18, the outer wall of the second pipeline 15 is provided with a bath connecting pipe 19, the bath connecting pipe 19 is installed with the bath pipeline 18, the outer wall of the third pipeline 16 is provided with a flue desalted water tank pipe 20; the outer wall of the fourth pipeline 17 is provided with a desalted water tank connecting pipe 21, the desalted water tank connecting pipe 21 is installed with the flue desalted water tank pipe 20, and the water in the first pipeline 14 and the second pipeline 15 can be transported to the desalted water tank pipe through the desalted water tank connecting pipe 21, and the water in the desalted water tank pipe can be transported to the flue desalted water tank.

[0033] In the technical scheme of the utility model, as shown in Figure 1 and Figure 3 As shown, the outer wall of the first pipeline 14 is provided with a bath pipeline 18, the outer wall of the second pipeline 15 is provided with a bath connecting pipe 19, the bath connecting pipe 19 is installed with the bath pipeline 18, the outer wall of the third pipeline 16 is provided with a flue desalted water tank pipe 20; the outer wall of the fourth pipeline 17 is provided with a desalted water tank connecting pipe 21, the desalted water tank connecting pipe 21 is installed with the flue desalted water tank pipe 20, and the water in the first pipeline 14 and the second pipeline 15 can be transported to the desalted water tank pipe through the desalted water tank connecting pipe 21, and the water in the desalted water tank pipe can be transported to the flue desalted water tank.

[0034] In use, firstly, the first cooling pipe 7 and the second cooling pipe 8 can connect the smoke furnace circulating cooling water pipe 6 and the charging water jacket 3, the third cooling pipe 9 and the fourth cooling pipe 10 can connect the smoke pipe water jacket 2 and the smoke furnace circulating cooling water pipe 6, the tap water pipe 11 can transport the water in the first cooling pipe 7, the pressurizing pump 23 can pressurize the tap water pipe 11, the third cooling pipe 9, the desalination cooling pipe and the fourth cooling pipe 10 can transport the water from the desalination water pipe 12 to the smoke furnace bridge, the first pipe 14 and the second pipe 15 can connect the backwater tank 5 and the charging water jacket 3, the third pipe 16 and the fourth pipe 17 can connect the backwater tank 5 and the smoke pipe water jacket 2, the smoke furnace circulating cooling water pool pipe 22 can transport the water in the backwater tank 5 to the smoke furnace circulating cooling water pool, the desalination water tank connecting pipe 21 can transport the water in the first pipe 14 and the second pipe 15 to the desalination water tank pipe, the water in the desalination water tank pipe can be transported to the smoke furnace desalination water tank, and the water in the smoke furnace circulating cooling water pipe 6 comes from the smoke furnace, the valve 24 can control the closing and opening of each pipe;

[0035] Check if the reverberatory furnace body 1 and its internal components, such as the roof beam water tank 4, the charging water jacket 3, the flue water jacket 2, etc., are intact and ensure that each component is installed firmly; check if all pipes, such as the tap water pipe 11, the desalted water pipe 12, the flue circulating cooling water pipe 6, the first to fourth cooling pipes 7-10, the first to fourth pipes 14-17, the bathhouse pipe 18, the bathhouse connecting pipe 19, the flue desalted water tank pipe 20, the desalted water tank connecting pipe 21, etc., and their valves 24 are intact, the valves 24 open and close smoothly and reliably, turn on the pressure pump 23, ensure that the tap water pipe 11 is unobstructed and the pressure is stable, when the reverberatory furnace body 1 starts working, the residual heat generated in the furnace will be conducted to the corresponding cooling water pipes through the roof beam water tank 4, the charging water jacket 3 and the flue water jacket 2, the flue circulating cooling water pipe 6 will deliver the circulating cooling water to the first to fourth cooling pipes 7-10, the first and second cooling pipes 7 and 8 are connected with the charging water jacket 3 for cooling the heat near the charging port; the third and fourth cooling pipes 9 and 10 are connected with the flue water jacket 2 for cooling the flue and its surrounding area, the tap water pipe 11 provides cooling water for the first cooling pipe 7, and the pressure pump 23 ensures the stable flow and pressure of the cooling water, effectively absorbing the residual heat near the charging port of the reverberatory furnace body 1, the desalted water pipe 12 provides desalted water for the third cooling pipe 9, and at the same time, the desalted connecting pipe 13 introduces desalted water into the fourth cooling pipe 10 for cooling the flue water jacket 2 area to avoid scale and corrosion problems, the first and second pipes 14 and 15 collect cooling water in the charging water jacket 3, and the third and fourth pipes 16 and 17 collect cooling water in the flue water jacket 2, these pipes introduce the cooling water back to the return water tank 5 to form a closed loop circulation, in the return water tank 5, the cooling water is preliminarily precipitated and cooled, then returns to the flue circulating cooling water pipe 6 through the flue circulating cooling water pool pipe 22 again to realize the recycling of the cooling water, at the same time, the bathhouse pipe 18 and the bathhouse connecting pipe 19 introduce part of the cooling water into the bathhouse for bathing and other domestic water use to realize the reuse of residual heat, the flue desalted water tank pipe 20 introduces part of the desalted water into the flue desalted water tank for the desalting needs of the flue, and the desalted water tank connecting pipe 21 ensures the stable supply of desalted water, during the whole working process, the operator needs to check the operation of each pipe and valve 24 regularly to ensure the smooth flow of cooling water and the correct opening and closing of the valve 24, according to the working load and temperature of the reverberatory furnace body 1, adjust the pressure and flow of the pressure pump 23 and the opening of each valve 24 in time to optimize the residual heat recovery effect, check the water quality and quantity of the return water tank 5 regularly to ensure the recycling effect of the cooling water, clean and disinfect the bathhouse pipe 18 and the bathhouse connecting pipe 19 regularly to ensure the safety and health of the bathing water, through the above working process, the residual heat recovery device for reverberatory furnace can effectively recover the residual heat generated by the reverberatory furnace and apply it to cooling water circulation and bathing water, etc., to realize the efficient use and saving of energy.

Claims

1. A waste heat recovery device for a reverberatory furnace, characterized by: The utility model provides a circulating cooling water system of smoke furnace, including the reverberatory furnace main part (1), the upper end of the middle part of the reverberatory furnace main part (1) is installed smoke pipe water jacket (2), the inside of the reverberatory furnace main part (1) is installed four groups of furnace roof beam water tank (4), the upper end of the reverberatory furnace main part (1) is installed feeding water jacket (3), one side of the reverberatory furnace main part (1) is provided with backwater tank (5), one side of the reverberatory furnace main part (1) is provided with smoke furnace circulating cooling water pipe (6), water pipe (11), desalted water pipe (12), first pipeline (14), second pipeline (15), third pipeline (16), fourth pipeline (17), bath connecting pipe (19), smoke furnace desalted water tank pipe (20) and smoke cycle cooling water pool pipeline.

2. A waste heat recovery device for a reverberatory furnace according to claim 1, characterized in that, The one side of the smoke furnace circulating cooling water pipe (6) is installed with first cooling pipe (7), second cooling pipe (8), third cooling pipe (9) and fourth cooling pipe (10), the first cooling pipe (7) and second cooling pipe (8) are installed with feeding water jacket (3) respectively, the third cooling pipe (9) and fourth cooling pipe (10) are installed with both sides of smoke pipe water jacket (2) respectively.

3. A waste heat recovery device for a reverberatory furnace according to claim 2, wherein The outer wall of first cooling pipe (7) is installed with water pipe (11), one end of water pipe (11) is installed with pressure pump (23).

4. A waste heat recovery device for a reverberatory furnace according to claim 2, wherein The outer wall of third cooling pipe (9) is installed with desalted water pipe (12), the outer wall of desalted water pipe (12) is installed with desalted connecting pipe (13), and the desalted connecting pipe (13) is installed with fourth cooling pipe (10).

5. A waste heat recovery device for a reverberatory furnace according to claim 1, wherein The outer wall of feeding water jacket (3) is installed with first pipeline (14) and second pipeline (15), the outer wall of smoke pipe water jacket (2) is installed with third pipeline (16) and fourth pipeline (17), the first pipeline (14), second pipeline (15), third pipeline (16) and fourth pipeline (17) are installed with backwater tank (5) away from one side of reverberatory furnace main part (1), and the backwater tank (5) is installed with smoke furnace circulating cooling water pool pipeline (22) away from one side of third pipeline (16).

6. A waste heat recovery device for a reverberatory furnace according to claim 5, wherein The outer wall of first pipeline (14) is installed with bath pipeline (18), the outer wall of second pipeline (15) is installed with bath connecting pipe (19), the bath connecting pipe (19) is installed with bath pipeline (18), the outer wall of third pipeline (16) is installed with smoke furnace desalted water tank pipe (20), and the outer wall of fourth pipeline (17) is installed with desalted water tank connecting pipe (21), and the desalted water tank connecting pipe (21) is installed with smoke furnace desalted water tank pipe (20).

7. A waste heat recovery device for a reverberatory furnace according to claim 6, wherein The inner part of each pipeline is provided with valve (24) respectively.

8. A waste heat recovery device for a reverberatory furnace according to claim 1, wherein The water pipe (11), desalted water pipe (12), smoke furnace desalted water tank pipe (20) and bath pipeline (18) are DN50 type.

Images