Waste residue heat energy recycling device

Abstract

The utility model relates to the technical field of heat energy recovery, in particular to a waste residue heat energy recycling device. The waste residue heat energy recycling device comprises a box body, an air guide pipe, a fan, a snakelike steam pipe and a snakelike cold water pipe, a residue storage cavity is formed in the top of the box body, a water storage cavity is formed in an inner cavity of the box body, the water storage cavity is located on the outer ring of the residue storage cavity, the air guide pipe is arranged on the front side of the box body and communicated with the water storage cavity, and the snakelike cold water pipe is arranged in the air guide pipe. The draught fan is arranged in an inner cavity of the air guide pipe, an air inlet of the snakelike steam pipe is communicated with an air outlet of the air guide pipe, when waste residues are poured into the residue storage cavity, heat of the waste residues can heat cooling water in the water storage cavity to generate a large amount of steam, the snakelike cold water pipe is communicated with a domestic water pipeline in a plant, and therefore the waste residues can be recycled. And high-temperature water vapor generated in the water storage cavity is guided into the snakelike steam pipe through the draught fan, and then the snakelike cold water pipe in the snakelike steam pipe is heated, so that hot water supply in a plant can be achieved, and recycling of waste residue heat is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat recovery, in particular to a waste slag heat recovery device. Background Art

[0002] With the development of modern industry and the continuous growth of population, environmental thermal pollution will become increasingly serious. The most fundamental reason is that energy has not been used effectively and reasonably. It not only causes energy waste, but also seriously pollutes the environment. Therefore, strengthening energy conservation, improving energy utilization and protecting the environment have become the top priority for maintaining the sustainable development of my country's economy. At present, the molten metallurgical slag is specially treated in the steel smelting slag operation area. The molten metallurgical slag produced in the steelmaking process is transported to the slag workshop by loading it into a slag tank car, and the bottom of the slag tank is lifted by a hook and turned into the hot slag pool. The temperature is quickly cooled by pumping water. After pumping water, the hot slag pool cover is covered for hot stuffing treatment. When the steelmaking slag is cooled to a certain temperature, it is transported out by car. In actual production operation, the steel smelting slag workshop handles a large amount of molten slag on average every day with extremely high temperature. During the cooling process, a large amount of heat energy in the molten steelmaking slag is wasted, and a large amount of water is required to cool it down, and the operating conditions are poor. Utility Model Content

[0003] The purpose of the utility model is to provide a waste slag heat energy recovery and utilization device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waste slag heat recovery and utilization device, comprising a box body, an air duct, a fan, a serpentine steam pipe and a serpentine cold water pipe, a slag storage chamber is provided on the top of the box body, a water storage chamber is provided in the inner cavity of the box body, the water storage chamber is located in the outer circle of the slag storage chamber, the air duct is arranged on the front side of the box body, the air duct is connected with the water storage chamber, the fan is arranged in the inner cavity of the air duct, the air inlet of the serpentine steam pipe is connected with the air outlet of the air duct, the serpentine cold water pipe is arranged in the inner cavity of the serpentine steam pipe, the left and right sides of the serpentine cold water pipe respectively penetrate the left and right sides of the serpentine steam pipe, and a cooling component is placed on the rear side of the serpentine steam pipe.

[0005] Preferably, the cooling component includes a condenser, a water tank and a water pump, the air outlet of the serpentine steam pipe is connected to the air inlet of the condenser, the water outlet of the condenser is connected to the water inlet of the water tank, the water pump is arranged on the top of the water tank, the water suction pipe of the water pump passes through the top of the water tank and is inserted into the inner cavity of the water tank, and the water outlet of the water pump is connected to the water storage cavity.

[0006] Preferably, a box cover is placed on the top of the box body, and lifting ears are evenly arranged on the top of the box cover. The box cover corresponds to the slag storage chamber, and a discharge valve is arranged at the bottom of the box body, and the discharge valve is connected to the slag storage chamber.

[0007] Preferably, a water inlet valve is provided on the left side of the box body, and the water inlet valve is communicated with the water storage chamber.

[0008] Preferably, a mounting groove is provided on the right side of the top of the box body, and the condenser and the water storage tank are both arranged in the mounting groove.

[0009] Preferably, a first connecting flange is welded on the left side of the water inlet valve, and second connecting flanges are welded on both the left and right sides of the serpentine cold water pipe.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] According to the utility model, when waste residue is poured into the residue storage chamber, the heat of the waste residue will heat the cooling water in the water storage chamber and thus generate a large amount of steam, and the serpentine cold water pipe is connected with the domestic water pipe in the factory building, and the high-temperature water vapor generated in the water storage chamber is introduced into the serpentine steam pipe through the fan, and then the serpentine cold water pipe in the serpentine steam pipe is heated, thereby realizing the hot water supply in the factory building and realizing the recovery and utilization of the heat of the waste residue, and the high-temperature water vapor enters the condenser through the serpentine steam pipe for cooling, and then the condensed water is re-pumped into the water storage chamber through the water pump, which provides a water source for the generation of high-temperature water vapor, and can also cool the waste residue and reduce the water cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 It is a top cross-sectional view of the utility model;

[0014] Figure 3 It is a rear side view of the utility model.

[0015] In the figure: 1. box body; 11. air duct; 12. fan; 13. serpentine steam pipe; 14. serpentine cold water pipe; 15. condenser; 16. water storage tank; 17. water pump; 18. water inlet valve; 19. box cover; 191. lifting ear; 2. water storage chamber; 21. slag storage chamber; 3. discharge valve. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-3 A waste slag heat energy recovery and utilization device comprises a box body 1, an air duct 11, a fan 12, a serpentine steam pipe 13 and a serpentine cold water pipe 14. A slag storage chamber 21 is provided on the top of the box body 1, and a water storage chamber 2 is provided in the inner cavity of the box body 1. The water storage chamber 2 is located at the outer circle of the slag storage chamber 21. When waste slag is poured into the slag storage chamber 21, the heat of the waste slag will heat the cooling water in the water storage chamber 2 and generate a large amount of steam. The air duct 11 is fixedly arranged at the front side of the box body 1, and the air duct 11 is connected to the water storage chamber 2. The fan 12 is fixedly arranged in the inner cavity of the air duct 11. The serpentine The air inlet of the steam pipe 13 is connected with the air outlet of the air duct 11, and the serpentine cold water pipe 14 is fixedly arranged in the inner cavity of the serpentine steam pipe 13. The left and right sides of the serpentine cold water pipe 14 respectively penetrate the left and right sides of the serpentine steam pipe 13, and the serpentine cold water pipe 14 is connected with the domestic water pipeline in the factory. The high-temperature water vapor generated in the water storage chamber 2 is introduced into the serpentine steam pipe 13 through the fan 12, and then the serpentine cold water pipe 14 in the serpentine steam pipe 13 is heated, so that the hot water supply in the factory can be realized. A cooling component is placed on the rear side of the serpentine steam pipe 13.

[0018] The cooling assembly includes a condenser 15, a water tank 16 and a water pump 17. The air outlet of the serpentine steam pipe 13 is connected to the air inlet of the condenser 15, the water outlet of the condenser 15 is connected to the water inlet of the water tank 16, the water pump 17 is fixedly arranged on the top of the water tank 16, the water pump of the water pump 17 passes through the top of the water tank 16 and is plugged into the inner cavity of the water tank 16, the water outlet of the water pump 17 is connected to the water storage chamber 2, the high-temperature water vapor enters the condenser 15 through the serpentine steam pipe 13 for cooling, and then generates condensed water and stores it in the water tank 16, the condensed water in the water tank 16 is pumped into the water storage chamber 2 by the water pump 17, and a water source is provided for the generation of high-temperature water vapor, a box cover 19 is placed on the top of the box body 1, and the top of the box cover 19 is evenly fixed A lifting lug 191 is fixedly provided, and the crane uses the lifting lug 191 to cover the box cover 19 on the slag storage chamber 21 to seal the slag storage chamber 21. The box cover 19 corresponds to the slag storage chamber 21. A discharge valve 3 is fixedly provided at the bottom of the box body 1, and the discharge valve 3 is connected to the slag storage chamber 21. When the discharge valve 3 is opened, the waste slag in the slag storage chamber 21 can be discharged. A water inlet valve 18 is fixedly provided on the left side of the box body 1, and the water inlet valve 18 is connected to the water storage chamber 2. Cooling water is injected into the water storage chamber 2 through the water inlet valve 18. An installation groove is opened on the top right side of the box body 1, and the condenser 15 and the water storage tank 16 are fixedly arranged in the installation groove. A first connecting flange is welded on the left side of the water inlet valve 18, and second connecting flanges are welded on both sides of the serpentine cold water pipe 14.

[0019] Working principle: When the waste slag is poured into the slag storage chamber 21, the crane uses the lifting lug 191 to cover the box cover 19 on the slag storage chamber 21, thereby sealing the slag storage chamber 21, and cooling water is injected into the water storage chamber 2 through the water inlet valve 18. The heat of the waste slag will heat the cooling water in the water storage chamber 2 and generate a large amount of steam, connecting the serpentine cold water pipe 14 with the domestic water pipe in the factory building. The high-temperature water vapor generated in the water storage chamber 2 is introduced into the serpentine steam pipe 13 through the fan 12, thereby heating the serpentine steam. The serpentine cold water pipe 14 in the steam pipe 13 is heated to realize the hot water supply in the factory. The high-temperature water vapor enters the condenser 15 through the serpentine steam pipe 13 for cooling, and then generates condensed water and stores it in the water storage tank 16. The condensed water in the water storage tank 16 is pumped into the water storage chamber 2 by the water pump 17, which provides a water source for the generation of high-temperature water vapor. At the same time, it can also cool the waste slag and reduce the water cost. The discharge valve 3 is opened to discharge the waste slag in the slag storage chamber 21.

Claims

1. A waste slag heat recovery and utilization device, characterized in that: The invention comprises a box body (1), an air guide pipe (11), a fan (12), a serpentine steam pipe (13) and a serpentine cold water pipe (14); a slag storage chamber (21) is provided at the top of the box body (1); a water storage chamber (2) is provided in the inner chamber of the box body (1); the water storage chamber (2) is located at the outer circle of the slag storage chamber (21); the air guide pipe (11) is arranged at the front side of the box body (1); the air guide pipe (11) is connected to the water storage chamber (2); the fan (12) is arranged in the inner chamber of the air guide pipe (11); an air inlet of the serpentine steam pipe (13) is connected to an air outlet of the air guide pipe (11); the serpentine cold water pipe (14) is arranged in the inner chamber of the serpentine steam pipe (13); the left and right sides of the serpentine cold water pipe (14) respectively penetrate the left and right sides of the serpentine steam pipe (13); and a cooling component is arranged on the rear side of the serpentine steam pipe (13).

2. The waste slag heat recovery and utilization device according to claim 1, characterized in that: The cooling assembly comprises a condenser (15), a water storage tank (16) and a water pump (17); the air outlet of the serpentine steam pipe (13) is connected to the air inlet of the condenser (15); the water outlet of the condenser (15) is connected to the water inlet of the water storage tank (16); the water pump (17) is arranged on the top of the water storage tank (16); the water pump of the water pump (17) passes through the top of the water storage tank (16) and is inserted into the inner cavity of the water storage tank (16); the water outlet of the water pump (17) is connected to the water storage cavity (2).

3. The waste slag heat recovery and utilization device according to claim 1, characterized in that: A box cover (19) is placed on the top of the box body (1), and lifting ears (191) are evenly arranged on the top of the box cover (19). The box cover (19) corresponds to the slag storage chamber (21). A discharge valve (3) is arranged at the bottom of the box body (1), and the discharge valve (3) is connected to the slag storage chamber (21).

4. The waste slag heat recovery and utilization device according to claim 1, characterized in that: A water inlet valve (18) is provided on the left side of the box body (1), and the water inlet valve (18) is connected to the water storage chamber (2).

5. The waste slag heat recovery and utilization device according to claim 2, characterized in that: A mounting groove is provided on the right side of the top of the box body (1), and the condenser (15) and the water storage tank (16) are both arranged in the mounting groove.

6. The waste slag heat recovery and utilization device according to claim 4, characterized in that: A first connecting flange is welded on the left side of the water inlet valve (18), and second connecting flanges are welded on both the left and right sides of the serpentine cold water pipe (14).

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