Smelting furnace for metal recovery

Abstract

The invention relates to the technical field of smelting furnaces, and discloses a metal recycling smelting furnace which comprises a smelting furnace body and a smelting furnace cover blocking the top of the smelting furnace body. The smelting furnace cover is communicated with an air guiding and flow dividing part, the air outlet end of the air guiding and flow dividing part is connected with a water tank part and a steam part, and the steam part is installed on the water tank part; a first exhaust pipe and a second exhaust pipe are connected to the sides, away from the air guiding and flow dividing part, of the water tank part and the steam part correspondingly, the second exhaust pipe communicates with the first exhaust pipe, a condensation exhaust part is connected to the end, away from the steam part, of the first exhaust pipe, and the steam part communicates with the condensation exhaust part. According to the smelting furnace for metal recovery, waste gas is guided into the water tank piece and the steam piece, cold water is heated through heat carried in the waste gas, effective recovery of waste heat of the waste gas is achieved, metal particles in the waste gas can be captured through steam generated when water is heated, waste gas purification is achieved, and the metal recovery effect is achieved. And the pollution to the atmospheric environment is also reduced.

Description

Technical Field

[0001] The invention relates to the technical field of melting furnaces, and in particular to a melting furnace for metal recovery. Background Art

[0002] Metal is a material composed of atoms, with good electrical conductivity, thermal conductivity and strength. It is widely used in construction, transportation, electronics and manufacturing. Common metals include iron, aluminum, copper and zinc. With the increasing depletion of resources and the improvement of environmental protection awareness, metal recycling has become more and more important. In the process of metal recycling, the effective treatment of scrap metal can reduce resource waste and environmental pollution. The recycled metals first need to be cleaned and sorted to remove impurities and non-metallic materials. Subsequently, these metals are sent to the furnace for smelting. The main purpose of smelting is to heat the solid metal to its melting point to transform it into liquid state, so as to remove impurities and recast it into new products.

[0003] During the metal smelting process, the waste gas generated usually contains a large amount of heat and metal particles. If these waste gases are discharged directly into the atmosphere without being treated, it will not only lead to a waste of heat energy, but also cause pollution to the environment.

[0004] In order to solve the above problems, this application proposes a melting furnace for metal recovery. Summary of the invention

[0005] Based on the technical problems existing in the background technology, the present invention proposes a melting furnace for metal recovery.

[0006] The present invention provides a furnace for metal recovery, comprising a furnace body and a furnace cover sealed on the top of the furnace body;

[0007] The furnace cover is connected with an air guide and diverter, the gas outlet end of the air guide and diverter is respectively connected with a water tank and a steam part, and the steam part is installed on the water tank;

[0008] The water tank part and the steam part are connected to a first exhaust pipe and a second exhaust pipe at one side away from the air guide and diverter part, respectively. The second exhaust pipe is connected to the first exhaust pipe. The first exhaust pipe is connected to a condensation exhaust part at one end away from the steam part, and the steam part is connected to the condensation exhaust part.

[0009] The bottom of the condensation exhaust component is connected to a water storage observation component, and the water storage observation component is used to observe the amount of water stored after the steam is condensed.

[0010] Preferably, the air guide diverter component includes an air guide pipe, one end of the air guide pipe is connected to the top of the furnace cover and communicated with the furnace body, the end of the air guide pipe away from the furnace cover is connected to a joint, the end of the joint away from the air guide pipe is detachably connected to a diverter pipe, the diverter pipe is connected to two air outlet pipes, and the water tank component and steam component are respectively connected to the two air outlet pipes.

[0011] Preferably, the water tank component includes a water tank shell and a heat conducting water tank, the side of the water tank shell is connected to an end of the air outlet pipe away from the diversion pipe, the heat conducting water tank is installed in the water tank shell, and the heat conducting water tank divides the water tank shell into a first air passage chamber, and one of the air outlet pipes is connected to the first air passage chamber.

[0012] Preferably, the steam component includes an air passing shell and a steam part, the air passing shell is installed on the top of the water tank shell, a second air passing chamber is opened in the air passing shell, the steam part is installed on the air passing shell, and the bottom end of the steam part extends into the second air passing chamber.

[0013] Preferably, the steam part comprises a heat-conducting steam cylinder, which is mounted on the gas-transmitting shell, and the bottom end of the heat-conducting steam cylinder extends into the second gas-transmitting chamber, and the top end of the heat-conducting steam cylinder is connected to a steam pipe.

[0014] Preferably, one end of the second exhaust pipe is connected to the side of the water tank shell away from one of the air outlet pipes, and the second exhaust pipe is communicated with the first air chamber, one end of the first exhaust pipe is connected to the side of the air tank shell away from the other air outlet pipe, and the first exhaust pipe is communicated with the second air chamber, and air valves are installed on the first exhaust pipe and the second exhaust pipe.

[0015] Preferably, the condensation exhaust component includes a condensation exhaust pipe and a condensation coil, one end of the condensation exhaust pipe is connected to an end of the first exhaust pipe away from the gas shell and communicated with the interior thereof, one end of the steam pipe away from the heat-conducting steam cylinder is communicated with an end of the condensation exhaust pipe close to the first exhaust pipe, one end of the condensation exhaust pipe away from the first exhaust pipe is bent upward, a downwardly inclined water trough is provided at the bottom of the condensation exhaust pipe, and the condensation coil is horizontally installed in the condensation exhaust pipe and placed above the water trough.

[0016] Preferably, the water storage observation member includes a water storage pipe, which is installed below the bent portion of the condensation exhaust pipe away from the first exhaust pipe, and the water storage pipe is connected to the condensation exhaust pipe. A drain valve is installed at the bottom end of the water storage pipe, a float portion is provided in the water storage pipe, and the top of the float portion extends to the inner part of the upward bend of the condensation exhaust pipe away from the first exhaust pipe. A glass window is opened on the outer periphery of the water storage pipe, and scale lines are provided on the glass window.

[0017] Preferably, the float part includes a float body, which is arranged at the bottom of the water storage pipe, and an observation rod is installed on the top of the float body, and the top end of the observation rod extends to the upward bend inside the condensation exhaust pipe away from one end of the first exhaust pipe.

[0018] Preferably, the water tank shell and the air transfer shell are both connected with drain pipes, and the two drain pipes are respectively connected with the heat transfer steam cylinder and the heat transfer water tank.

[0019] The above technical solution of the present invention has the following beneficial technical effects:

[0020] 1. Through the water tank part, steam part and condensation exhaust part, when the exhaust gas generated when the metal is smelted in the furnace body is respectively guided to the water tank part and the steam part through the gas guide diversion part, the heat carried in the exhaust gas can be used to heat the cold water in the water tank part and the steam part. After the cold water in the water tank part is heated, the waste heat of the exhaust gas can be recovered. The exhaust gas is then guided to the first exhaust pipe through the second exhaust pipe, and the exhaust gas is discharged to the condensation exhaust part through the first exhaust pipe. After the cold water in the steam part is heated, water vapor can be formed and guided to the condensation exhaust part to condense into water droplets when it is cooled. The water droplets capture particulate matter in the exhaust gas to remove particulate matter in the exhaust gas. The treated exhaust gas is then discharged through the condensation exhaust part. This structure guides the exhaust gas into the water tank part and the steam part, and uses the heat carried in the exhaust gas to heat the cold water, thereby effectively recovering the waste heat of the exhaust gas, which not only improves energy efficiency and reduces energy consumption, but also reduces heat energy emissions to the environment.

[0021] 2. In the condensation exhaust part, water vapor condenses into water droplets when it is cold. The water droplets can capture metal particles in the exhaust gas, which not only purifies the exhaust gas but also reduces the pollution to the atmospheric environment. Through this particle removal mechanism, the environmental performance of the entire smelting process is improved;

[0022] 3. Through the water storage observation piece, when water vapor condenses into water droplets when it is cooled in the condensation exhaust piece, the water droplets can be collected through the water storage observation piece, and it is convenient for the staff to observe the amount of stored water. This structure uses a water storage observation piece to collect and monitor the condensed water droplets, so that the staff can observe the water storage amount in real time. The staff can adjust the operating parameters in time according to the changes in the water storage amount to ensure that the system is always in the best working state, thereby further improving the safety and reliability of the entire process. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic structural diagram of a metal recovery furnace proposed in the present invention.

[0024] Figure 2 For the present invention Figure 1 Schematic diagram of the local structure in.

[0025] Figure 3 For the present invention Figure 2 Schematic diagram of the plane structure.

[0026] Figure 4 For the present invention Figure 3Schematic diagram of the local structure in.

[0027] Figure numerals: 1. furnace body; 2. furnace cover; 3. air guide diverter; 31. air guide pipe; 32. joint; 33. diverter pipe; 34. air outlet pipe; 4. water tank part; 41. water tank shell; 42. heat conduction water tank; 5. steam part; 51. air passing shell; 52. steam part; 521. heat conduction steam cylinder; 522. steam pipe; 6. first exhaust pipe; 7. second exhaust pipe; 8. condensation exhaust part; 81. condensation exhaust pipe; 82. condensation coil; 9. water storage observation part; 91. water storage pipe; 92. drain valve; 93. float part; 931. float body; 932. observation rod; 10. air valve; 11. drain pipe. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present invention. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present invention.

[0029] like Figure 1-4 As shown, a metal recovery furnace proposed by the present invention comprises a furnace body 1 and a furnace cover 2 sealed on the top of the furnace body 1;

[0030] In this embodiment, the furnace cover 2 is connected with an air guide diverter 3, and the gas outlet ends of the air guide diverter 3 are respectively connected with a water tank part 4 and a steam part 5, and the steam part 5 is installed on the water tank part 4. The air guide diverter 3 includes an air guide pipe 31, one end of the air guide pipe 31 is connected to the top of the furnace cover 2 and is connected with the furnace body 1, and the end of the air guide pipe 31 away from the furnace cover 2 is connected with a joint 32, and the end of the joint 32 away from the air guide pipe 31 is detachably connected with a diverter pipe 33, and the diverter pipe 33 is connected with two outlet pipes 34, and the water tank part 4 and the steam part 5 are respectively connected with the two outlet pipes 34.

[0031] In this embodiment, the water tank component 4 includes a water tank shell 41 and a heat conduction water tank 42. The side of the water tank shell 41 is connected to an end of an air outlet pipe 34 away from the diversion pipe 33. The heat conduction water tank 42 is installed in the water tank shell 41, and the heat conduction water tank 42 divides the water tank shell 41 into a first air passage chamber. An air outlet pipe 34 is connected to the first air passage chamber.

[0032] In this embodiment, the steam component 5 includes an air-transmitting shell 51 and a steam portion 52. The air-transmitting shell 51 is installed on the top of the water tank shell 41. A second air-transmitting chamber is opened in the air-transmitting shell 51. The steam portion 52 is installed on the air-transmitting shell 51, and the bottom end of the steam portion 52 extends into the second air-transmitting chamber. The steam portion 52 includes a heat-conducting steam cylinder 521. The heat-conducting steam cylinder 521 is installed on the air-transmitting shell 51, and the bottom end of the heat-conducting steam cylinder 521 extends into the second air-transmitting chamber. The top end of the heat-conducting steam cylinder 521 is connected to a steam pipe 522.

[0033] In this embodiment, the water tank part 4 and the steam part 5 are respectively connected to the first exhaust pipe 6 and the second exhaust pipe 7 on the side away from the air guide diverter part 3, the second exhaust pipe 7 is connected to the first exhaust pipe 6, one end of the second exhaust pipe 7 is connected to the side of the water tank shell 41 away from one air outlet pipe 34, and the second exhaust pipe 7 is connected to the first air chamber, one end of the first exhaust pipe 6 is connected to the side of the air shell 51 away from the other air outlet pipe 34, and the first exhaust pipe 6 is connected to the second air chamber, and air valves 10 are installed on both the first exhaust pipe 6 and the second exhaust pipe 7.

[0034] In this embodiment, the end of the first exhaust pipe 6 away from the steam part 5 is connected to the condensation exhaust part 8, and the steam part 5 is connected to the condensation exhaust part 8. The condensation exhaust part 8 includes a condensation exhaust pipe 81 and a condensation coil 82. One end of the condensation exhaust pipe 81 is connected to the end of the first exhaust pipe 6 away from the air shell 51 and is connected to the interior of the shell. The end of the steam pipe 522 away from the heat-conducting steam cylinder 521 is connected to the end of the condensation exhaust pipe 81 close to the first exhaust pipe 6. The end of the condensation exhaust pipe 81 away from the first exhaust pipe 6 is bent upward, and a downward inclined water trough is provided at the bottom of the condensation exhaust pipe 81. The condensation coil 82 is horizontally installed in the condensation exhaust pipe 81 and placed above the water trough.

[0035] It should be noted that the exhaust gas generated when the metal is smelted in the furnace body 1 is respectively guided to the first air chamber in the water tank shell 41 and the second air chamber in the air chamber shell 51 along the air guide pipe 31, the shunt pipe 33 and the two air outlet pipes 34. The heat carried in the exhaust gas can be used to heat the cold water in the heat-conducting water tank 42 and the heat-conducting steam cylinder 521. After the cold water in the heat-conducting water tank 42 is heated, the waste heat of the exhaust gas can be recovered. The exhaust gas is then guided to the first exhaust pipe 6 through the second exhaust pipe 7, and the exhaust gas is discharged to the condensation exhaust pipe 81 through the first exhaust pipe 6. The heat-conducting steam After the cold water in the cylinder 521 is heated, water vapor can be formed and guided along the steam pipe 522 to the condensation exhaust pipe 81. The water vapor can capture particulate matter in the exhaust gas, and after the water vapor contacts the outer wall of the condensation coil 82, it will condense into water droplets when it is cold, so as to remove particulate matter in the exhaust gas. The treated exhaust gas is then discharged through the top of the condensation exhaust pipe 81. This structure guides the exhaust gas into the water tank component 4 and the steam component 5, and uses the heat carried in the exhaust gas to heat the cold water, thereby realizing effective recovery of the waste heat of the exhaust gas, which not only improves energy efficiency and reduces energy consumption, but also reduces heat energy emissions to the environment.

[0036] In the condensation exhaust pipe 81, water vapor condenses into water droplets when it is cold. The water droplets can capture metal particles in the exhaust gas, which not only purifies the exhaust gas but also reduces pollution to the atmospheric environment. Through this particle removal mechanism, the environmental performance of the entire smelting process is improved.

[0037] In a further embodiment, a water storage observation member 9 is connected to the bottom of the condensation exhaust member 8, and the water storage observation member 9 is used to observe the amount of water stored after the steam is condensed. The water storage observation member 9 includes a water storage pipe 91, which is installed at a position below the bent portion of the condensation exhaust pipe 81 away from the first exhaust pipe 6, and the water storage pipe 91 is connected to the condensation exhaust pipe 81. A drain valve 92 is installed at the bottom of the water storage pipe 91, and a float portion 93 is provided in the water storage pipe 91, and the top of the float portion 93 extends to the upward bent interior of the condensation exhaust pipe 81 away from the first exhaust pipe 6. A glass window is provided on the outer periphery of the water storage pipe 91, and scale lines are provided on the glass window. The float portion 93 includes a float body 931, which is provided at the bottom of the water storage pipe 91, and an observation rod 932 is installed on the top of the float body 931, and the top of the observation rod 932 extends to the upward bent interior of the condensation exhaust pipe 81 away from the first exhaust pipe 6.

[0038] It should be noted that: when water vapor condenses into water droplets when it is cold in the condensation exhaust pipe 81, it can enter the water storage pipe 91 along the water tank in the condensation exhaust pipe 81, and the water droplets can be collected through the water storage pipe 91. When the water droplets are gradually stored in the water storage pipe 91, the buoyancy of the water can push the float 931 and the observation rod 932 to gradually rise. After the observation rod 932 extends out of the top of the condensation exhaust pipe 81, it can attract people's attention. The staff can check the scale lines on the water storage pipe 91 to grasp the water storage amount in the water storage pipe 91. The structure uses a water storage observation piece 9 to collect and monitor the condensed water droplets, so that the staff can observe the water storage amount in real time. The staff can adjust the operating parameters in time according to the changes in the water storage amount to ensure that the system is always in the best working state, thereby further improving the safety and reliability of the entire process.

[0039] In a specific embodiment, a drain pipe 11 is connected to the water tank shell 41 and the air transfer shell 51. The two drain pipes 11 are respectively connected to the heat transfer steam cylinder 521 and the heat transfer water tank 42. The set drain pipe 11 can be used to easily discharge the heated cold water, making it convenient for people to use.

[0040] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the appended claims of the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the appended claims, or the equivalent forms of such scope and boundaries.

Claims

1. A furnace for metal recovery, comprising a furnace body (1) and a furnace cover (2) sealed on the top of the furnace body (1), characterized in that: The furnace cover (2) is connected to an air guide and diverter component (3), the gas outlet end of the air guide and diverter component (3) is respectively connected to a water tank component (4) and a steam component (5), and the steam component (5) is mounted on the water tank component (4); The water tank member (4) and the steam member (5) are respectively connected to a first exhaust pipe (6) and a second exhaust pipe (7) at a side away from the air guide and diverter member (3); the second exhaust pipe (7) is in communication with the first exhaust pipe (6); the first exhaust pipe (6) is connected to a condensation exhaust member (8) at an end away from the steam member (5); and the steam member (5) is in communication with the condensation exhaust member (8); The bottom of the condensation exhaust component (8) is connected to a water storage observation component (9), and the water storage observation component (9) is used to observe the amount of water stored after the steam is condensed.

2. A metal recovery furnace according to claim 1, characterized in that: The air guide and diverter component (3) comprises an air guide pipe (31), one end of which is connected to the top of the furnace cover (2) and communicates with the furnace body (1), one end of the air guide pipe (31) away from the furnace cover (2) is connected to a joint (32), one end of the joint (32) away from the air guide pipe (31) is detachably connected to a diverter pipe (33), two air outlet pipes (34) are communicated with the diverter pipe (33), and the water tank component (4) and the steam component (5) are respectively communicated with the two air outlet pipes (34).

3. A metal recovery furnace according to claim 2, characterized in that: The water tank component (4) comprises a water tank shell (41) and a heat conduction water tank (42); the side surface of the water tank shell (41) is connected to one end of an air outlet pipe (34) away from the shunt pipe (33); the heat conduction water tank (42) is installed in the water tank shell (41), and the heat conduction water tank (42) divides the water tank shell (41) into a first air passage chamber; and the air outlet pipe (34) is connected to the first air passage chamber.

4. A metal recovery furnace according to claim 3, characterized in that: The steam component (5) comprises an air-transmitting shell (51) and a steam portion (52); the air-transmitting shell (51) is mounted on the top of the water tank shell (41); a second air-transmitting chamber is provided in the air-transmitting shell (51); the steam portion (52) is mounted on the air-transmitting shell (51), and the bottom end of the steam portion (52) extends into the second air-transmitting chamber.

5. A metal recovery furnace according to claim 4, characterized in that: The steam section (52) comprises a heat-conducting steam cylinder (521), which is mounted on the air-transmitting shell (51), and the bottom end of the heat-conducting steam cylinder (521) extends into the second air-transmitting chamber, and the top end of the heat-conducting steam cylinder (521) is connected to a steam pipe (522).

6. A metal recovery furnace according to claim 5, characterized in that: One end of the second exhaust pipe (7) is connected to a side of the water tank shell (41) away from one of the outlet pipes (34), and the second exhaust pipe (7) is communicated with the first air chamber. One end of the first exhaust pipe (6) is connected to a side of the air shell (51) away from another of the outlet pipes (34), and the first exhaust pipe (6) is communicated with the second air chamber. Air valves (10) are installed on both the first exhaust pipe (6) and the second exhaust pipe (7).

7. A metal recovery furnace according to claim 6, characterized in that: The condensation exhaust component (8) includes a condensation exhaust pipe (81) and a condensation coil (82), one end of the condensation exhaust pipe (81) is connected to an end of the first exhaust pipe (6) away from the gas shell (51) and is connected to the interior thereof, one end of the steam pipe (522) away from the heat-conducting steam cylinder (521) is connected to an end of the condensation exhaust pipe (81) close to the first exhaust pipe (6), one end of the condensation exhaust pipe (81) away from the first exhaust pipe (6) is bent upward, and a downwardly inclined water trough is provided at the bottom of the condensation exhaust pipe (81), and the condensation coil (82) is horizontally installed in the condensation exhaust pipe (81) and placed above the water trough.

8. A metal recovery furnace according to claim 7, characterized in that: The water storage observation member (9) comprises a water storage pipe (91), the water storage pipe (91) being installed at a position below the bent portion of one end of the condensation exhaust pipe (81) away from the first exhaust pipe (6), and the water storage pipe (91) being connected to the inside of the condensation exhaust pipe (81), a drain valve (92) being installed at the bottom end of the water storage pipe (91), a float part (93) being arranged in the water storage pipe (91), and the top end of the float part (93) extending to the inside of the upward bend of one end of the condensation exhaust pipe (81) away from the first exhaust pipe (6), and a glass window being provided on the outer periphery of the water storage pipe (91), and scale lines being provided on the glass window.

9. A metal recovery furnace according to claim 8, characterized in that: The float portion (93) includes a float body (931), which is arranged at the bottom of the water storage pipe (91), and an observation rod (932) is installed on the top of the float body (931), and the top end of the observation rod (932) extends to the inner part of the upward bend of the condensation exhaust pipe (81) away from one end of the first exhaust pipe (6).

10. The metal recovery furnace according to claim 5, characterized in that: The water tank shell (41) and the air passing shell (51) are both connected to a drainage pipe (11), and the two drainage pipes (11) are respectively connected to the heat conduction steam cylinder (521) and the heat conduction water tank (42).

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