Non-ferrous metal smelting furnace

Abstract

The utility model relates to the technical field of metallurgical engineering, in particular to a non-ferrous metal smelting furnace which comprises a furnace body, two cavities are arranged in the furnace body, a feeding portion on the upper portion of the furnace body and a discharging portion on the lower portion of the furnace body are both designed in an inclined mode, and the inclination direction of the discharging portion is opposite to that of the feeding portion. Metal particles enter an inclined smelting chamber at the upper part in the furnace body through the feeding part to form a through mode, the interior of the furnace body is divided into a slurry storage chamber from the middle to the lower part, the discharging part is communicated with the slurry storage chamber, the smelting chamber and the slurry storage chamber are integrally formed, and a controller is installed on the lower side part of the furnace body. The discharging part at the lower part of the furnace body adopts an inclined design and is opposite to the feeding part at the upper part in direction, so that molten metal naturally flows out under the action of gravity without additional operation; the splitter plate bears particles which are not completely molten, so that the slurry storage chamber is prevented from being polluted; automatic discharging control is achieved through a flow blocking mechanism composed of a motor, a screw and a baffle; the waste gas treatment mechanism enhances the environmental protection performance and improves the energy efficiency through efficient purification and waste heat recovery.

Description

TECHNICAL FIELD

[0001] The utility model relates to metallurgical engineering technical field especially relates to a nonferrous metal smelting furnace. BACKGROUND

[0002] Nonferrous metals refer to all metals and their alloys except iron, chromium, and manganese. They exist in the form of ores in nature and are processed through mining, beneficiation, smelting, and other processes to become raw materials needed for industrial production.

[0003] Nonferrous metal smelting furnace is a kind of industrial equipment specially used for melting and refining non-ferrous metals (such as copper, aluminum, zinc, lead, etc.) and their alloys. It converts solid metal into liquid state through heating, so as to further process into the required shape or carry out chemical treatment.

[0004] The smelting chamber of traditional smelting furnace is often designed with hinged type. After completing the melting of metal, it is usually necessary to push the smelting chamber to produce tilting rotation by manual or mechanical way, so as to pour the liquid metal into the collecting cylinder. This way not only has complicated operation, but also increases the safety risk of the operator, especially in high temperature environment. Since the smelting chamber needs to be tilted to realize the discharge of metal solution, this process is easy to cause high-temperature liquid to splash out, which poses a serious threat to the operator. In addition, frequent mechanical action will also accelerate the equipment wear and tear, increase the maintenance cost and downtime.

[0005] Therefore, it is necessary to design a nonferrous metal smelting furnace with simple structure and easy maintenance, so as to solve the above technical problems. SUMMARY

[0006] In order to overcome the shortcomings of the prior art, the utility model provides a nonferrous metal smelting furnace with simple structure and easy maintenance.

[0007] The utility model discloses a technical scheme: a non -ferrous metal smelting furnace, including furnace body, resistance flow mechanism and waste gas treatment mechanism, the inside of furnace body has two chambers, the feed inlet portion of furnace body upper portion and the discharge portion of lower portion are all inclined design, and the discharge portion and feed inlet portion opposite direction of inclination, metal particle is formed through the inside upper portion inclined smelting chamber through feed inlet portion, the inside middle portion of furnace body is divided into the slurry storage chamber, and the discharge portion is through with the slurry storage chamber, and smelting chamber and slurry storage chamber are integrally formed, and the lower side portion of furnace body is installed with the controller, and the upper end of feed inlet portion is hinged with the temperature -resistant cover plate sealed with it, and the upper portion of temperature -resistant cover plate is equipped with the knob of convex, and the middle part of temperature -resistant cover plate is embedded and is equipped with the observation board, and the upper portion both sides of smelting chamber are all opened and are equipped with the air hole, and the rear position of furnace body upper portion is installed with the fixed frame, and the fixed frame is equipped with the symmetrical electric control gas tank in content, and the lower portion of two electric control gas tanks is close to the side of smelting chamber and is all communicated with the oil pipe, and the lower portion of two oil pipes is communicated and is the communication part, and the communication part is stretched into the inside side portion of smelting chamber, and the lower end of the communication part is installed with the igniter, and the working end of igniter is installed with the combustion nozzle, and the outlet of smelting chamber close slurry storage chamber is fixed with the shunt plate of the metal particle that can be carried, and the inside of shunt plate is opened and is equipped with a plurality of through -holes for metal solution, and the lower side portion of furnace body is installed with resistance flow mechanism of the discharge portion flow output, and the edge position of furnace body upper portion is installed with waste gas treatment mechanism to the waste gas generated in its inside two chambers and is handled.

[0008] Further, the furnace body bottom is equipped with the bearing base, and the both sides of the bearing base are equipped with the reinforcing structure.

[0009] Further, the resistance flow mechanism includes a motor, a screw rod and a baffle, the lower side of the furnace body is installed with a motor with the output shaft downward, the output shaft of the motor is provided with a screw rod, the inlet position of the discharge portion of the furnace body is slidably provided with a baffle, the through portion of the upper portion of the baffle is connected with the screw rod, and the protruding portion of the rear portion of the baffle is a protruding portion, and the protruding portion is slidably connected with the outside of the furnace body.

[0010] Further, the waste gas treatment mechanism includes an air inlet pipe, a fan and a waste gas processor, the edge position of the upper portion of the furnace body is symmetrically communicated with the air inlet pipe extending into the upper portion of the slurry storage chamber, the rear of each air inlet pipe on the upper portion of the furnace body is provided with a fan, the discharge end of the air inlet pipe is communicated with the air suction port of the corresponding fan, the rear of each fan on the upper portion of the furnace body is installed with a waste gas processor, and the air exhaust port of the fan is communicated with the air inlet end of the waste gas processor.

[0011] Further, it further includes a temperature detector and a temperature measuring probe, and the upper portion of the temperature -resistant cover plate is installed with a temperature detector, and the temperature measuring probe of the temperature detector extends into the top of the combustion chamber.

[0012] Further, the electric control gas tank, the igniter, the combustion nozzle, the motor, the fan, the waste gas processor and the temperature detector are electrically connected with the controller.

[0013] The utility model discloses a beneficial effect is: 1, the discharge part of furnace body lower part adopts the oblique design, with the direction opposite of upper part feeding part, ensure that the molten metal under the action of gravity natural flow, need not extra operation, the shunt board bears the particle that has not completely melted, avoid the pollution of slurry storage chamber, and the resistance flow mechanism that motor, screw rod and baffle constitute realizes the automatic control of discharging, and the waste gas treatment mechanism passes through high -efficient purification and waste heat recovery, enhances the environmental protection performance and improves energy efficiency.

[0014] 2, by adopting the design of integrally formed smelting chamber and slurry storage chamber, reduce the number of connecting components, reduce the maintenance difficulty, at the same time, the feeding part and the discharge part of oblique design simplify the material in and out process, reduce the mechanical action frequency, reduce the equipment wear and tear.

[0015] 3, temperature detector real -time monitoring the temperature change in smelting chamber, and the data is fed back to controller, according to actual temperature automatic adjustment igniter's combustion intensity, ensure that the smelting process is stable and efficient, reduce energy waste. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0017] Figure 2 It is the three-dimensional structure schematic diagram of the utility model temperature-resistant cover plate, handle and observation plate and other components.

[0018] Figure 3 It is the three-dimensional structure schematic diagram of the utility model exhaust pipe, fan and waste gas processor and other components.

[0019] Figure 4 It is the three-dimensional structure schematic diagram of the utility model motor, screw rod and baffle and other components.

[0020] Figure 5 It is the structure schematic diagram of the utility model temperature-resistant cover plate, temperature detector and temperature measurement probe and other components.

[0021] The component name and serial number in the drawing: 1, furnace body, 2, controller, 3, temperature-resistant cover plate, 4, handle, 5, observation plate, 6, air hole, 7, slurry storage chamber, 8, smelting chamber, 9, fixed frame, 10, electric control gas tank, 11, oil pipe, 12, igniter, 13, combustion nozzle, 1301, shunt plate, 14, air inlet pipe, 15, fan, 16, waste gas processor, 17, motor, 18, screw rod, 19, baffle, 20, temperature detector, 21, temperature measurement probe. DETAILED DESCRIPTION

[0022] The utility model is specifically introduced below in connection with the drawings and specific embodiment.

[0023] Embodiment: a nonferrous smelting furnace, such as Figures 1-5As shown, including the furnace body 1, resistance mechanism and exhaust treatment mechanism, the furnace body 1 has two chambers inside, the upper part of the furnace body 1 is inclined design with the lower part of the discharge part, and the discharge part and the inclined direction of the feeding part are opposite, the inclined design ensures that the molten metal flows out under the action of gravity, the bottom of the furnace body 1 is provided with a load bearing base, the both sides of the load bearing base are provided with a reinforcing structure, the metal particles enter the furnace body 1 through the feeding part and form a through hole in the upper inclined smelting chamber 8, the middle to the lower part of the furnace body 1 is divided into a slurry storage chamber 7, the discharge part is communicated with the slurry storage chamber 7, and the smelting chamber 8 and the slurry storage chamber 7 are integrally formed, the lower side of the furnace body 1 is provided with a controller 2, the upper end of the feeding part is hinged with a temperature-resistant cover plate 3 which is sealed with the feeding part, the upper part of the temperature-resistant cover plate 3 is provided with a convex handle 4, the middle part of the temperature-resistant cover plate 3 is embedded with an observation plate 5, the observation plate 5 is convenient for real-time observation of the situation in the smelting chamber 8, the upper part of the smelting chamber 8 is provided with a vent hole 6 on both sides, the rear position of the upper part of the furnace body 1 is provided with a fixed frame 9, the fixed frame 9 is provided with symmetrical electric control gas tank 10 inside, the electric control gas tank 10 provides fuel for the smelting process, the lower part of the two electric control gas tanks 10 is close to the side of the smelting chamber 8 and is communicated with the oil delivery pipe 11, the lower part of the two oil delivery pipes 11 is communicated with the communication part, the communication part extends into the inside of the smelting chamber 8, and the lower end of the communication part is provided with an igniter 12, the working end of the igniter 12 is provided with a combustion nozzle 13, the igniter 12 ignites the fuel, the combustion nozzle 13 accurately controls the fuel injection amount and direction, ensures the stable combustion of the flame, the outlet of the smelting chamber 8 close to the slurry storage chamber 7 is fixed with a flow dividing plate 1301 which can carry metal particles, the inside of the flow dividing plate 1301 is provided with a plurality of through holes for metal solution, the flow dividing plate 1301 carries the metal particles which are not completely melted, guides the molten metal to flow into the slurry storage chamber 7 uniformly, the lower side of the furnace body 1 is provided with a resistance mechanism which controls the flow output of the discharge part, the upper part of the furnace body 1 is provided with an exhaust treatment mechanism which recycles and treats the exhaust gas generated in the two chambers inside.

[0024] As shown in Figure 1 and Figure 4 The resistance mechanism includes a motor 17, a screw 18 and a baffle 19, the lower side of the furnace body 1 is provided with a motor 17 with output shaft downward, the output shaft of the motor 17 is provided with a screw 18, the motor 17 drives the screw 18 to rotate, the inlet position of the discharge part of the furnace body 1 is provided with a sliding through baffle 19, the through part of the upper part of the baffle 19 is connected with the screw 18, the screw 18 is connected with the output shaft of the motor 17, the screw 18 drives the baffle 19 to move up and down by rotating, and the protruding part of the rear part of the baffle 19 is the protruding part, the protruding part is connected with the outside of the furnace body 1 to ensure the stable movement of the baffle 19.

[0025] As shown in Figure 1 and Figure 3As shown, the exhaust gas treatment mechanism includes an air inlet pipe 14, a fan 15, and an exhaust gas processor 16. The upper part of the furnace body 1 is symmetrically connected to the upper part of the slurry storage chamber 7 near the edge. A fan 15 is installed behind each air inlet pipe 14 on the upper part of the furnace body 1. The exhaust end of the air inlet pipe 14 is connected to the exhaust port of the corresponding fan 15. An exhaust gas processor 16 is installed behind each fan 15 on the upper part of the furnace body 1. The exhaust port of the fan 15 is connected to the air inlet end of the exhaust gas processor 16. The fan 15 draws in the exhaust gas and sends it into the exhaust gas processor 16 through the exhaust port. The exhaust gas processor 16 purifies the exhaust gas and then discharges it to the outside.

[0026] like Figure 5 As shown, it also includes a temperature detector 20 and a temperature probe 21. The temperature detector 20 is installed on the upper part of the heat-resistant cover plate 3. The temperature probe 21 of the temperature detector 20 extends into the top of the combustion chamber to directly measure the temperature. The electronically controlled gas cylinder 10, igniter 12, combustion nozzle 13, motor 17, fan 15, exhaust gas processor 16 and temperature detector 20 are all electrically connected to the controller 2.

[0027] In use, the controller 2 is started, the igniter 12 is opened by the controller 2, the fuel injection amount and direction of the combustion nozzle 13 are accurately controlled, the stable combustion of the flame is ensured, the preheating of the smelting chamber 8 is carried out, the temperature detector 20 installed on the temperature-resistant cover plate 3 monitors the temperature in the smelting chamber 8 in real time, the temperature measuring probe 21 extends into the top of the combustion chamber, and accurate temperature data is provided to the controller 2 so as to adjust the combustion intensity, when the smelting chamber 8 reaches the set temperature, the feeding is started, the temperature-resistant cover plate 3 is opened by the handle 4, the pretreated metal particles are poured into the feeding part, the metal particles fall on the flow distribution plate 1301, and then the temperature-resistant cover plate 3 is closed to prevent heat loss, during the smelting process, the air vent 6 at the upper part of the smelting chamber 8 ensures the air circulation and supports the combustion, the combustion nozzle 13 continuously sprays fuel to maintain a high-temperature environment, so that the metal particles are rapidly melted, the air inlet pipe 14 at the upper part of the furnace body 1 introduces the waste gas in the slurry storage chamber 7 into the fan 15, the exhaust port of the fan 15 is communicated with the air inlet end of the waste gas treatment device 16, the waste gas is discharged after purification treatment, the environmental pollution is reduced, the temperature detector 20 monitors the temperature change in the smelting chamber 8 in real time and feeds back the data to the controller 2, according to the actual temperature, the controller 2 automatically adjusts the combustion intensity of the igniter 12 to ensure the stability of the smelting process, when the smelting is completed, the molten metal enters the slurry storage chamber 7 through the through hole of the flow distribution plate 1301 to form a stable liquid metal pool, waiting for the subsequent discharging operation, the flow distribution plate 1301 not only bears the metal particles which are not completely melted, but also guides the molten metal to flow uniformly into the slurry storage chamber 7, so as to avoid local rapid flow or blockage, when discharging is needed, the controller 2 sends a command to start the motor 17 located at the lower side of the furnace body 1, the motor 17 drives the screw rod 18 to rotate, and drives the baffle 19 to move upward, so as to gradually open the inlet of the discharging part, with the movement of the baffle 19, the molten metal in the slurry storage chamber 7 flows out smoothly through the inclined design of the discharging part, since the discharging part is designed to be inclined, the molten metal can be smoothly discharged under the action of gravity, without tilting the furnace body 1, the safety and convenience of operation are improved, finally, a collection container is placed below the discharging part to ensure that the molten metal flows into the specified position safely and conveniently for subsequent processing.

[0028] It should be understood by those skilled in the art that the above embodiments do not limit the utility model in any form, and any technical solution obtained by equivalent replacement or equivalent transformation falls within the protection scope of the utility model.

Claims

1. A non-ferrous smelting furnace characterised in that: The utility model relates to a kind of smelting furnace, including furnace body (1), resistance mechanism and waste gas treatment mechanism, furnace body (1) inside has two chambers, the feed inlet of furnace body (1) upper portion is inclined design with lower portion discharge outlet, and discharge outlet and feed inlet opposite direction are inclined, metal particles are formed through by feed inlet into furnace body (1) upper portion inclined smelting chamber (8), furnace body (1) middle portion to lower portion is divided into slurry storage chamber (7), discharge outlet and slurry storage chamber (7) are through, and smelting chamber (8) and slurry storage chamber (7) are integrally formed, controller (2) is installed in furnace body (1) lower side portion, feed inlet upper end is hinged with the temperature-resistant cover plate (3) sealed with it, the temperature-resistant cover plate (3) upper portion is equipped with the knob (4) of convexity, temperature-resistant cover plate (3) middle portion is embedded with observation plate (5), smelting chamber (8) upper portion both sides are opened with air hole (6) furnace body (1) upper portion rear position is installed with fixed frame (9), fixed frame (9) content is equipped with symmetrical electric control gas tank (10), two electric control gas tank (10) lower portion close to smelting chamber (8) side are all communicated with oil pipe (11), two oil pipes (11) lower portion communication part is communication part, the communication part is inserted into smelting chamber (8) inside portion, and the communication part lower end is installed with igniter (12), the working end of igniter (12) is installed with combustion nozzle (13), smelting chamber (8) is close to the outlet of slurry storage chamber (7) and is fixed with the flow divider (1301) capable of carrying metal particles, the inside of flow divider (1301) is opened with several through holes for metal solution, furnace body (1) lower side portion is installed with resistance mechanism of discharge outlet flow output, furnace body (1) upper portion edge position is installed with waste gas treatment mechanism to the waste gas generated in two chambers inside.

2. A non-ferrous melting furnace as claimed in claim 1, characterized in that: Furnace body (1) bottom is equipped with bearing base, the both sides of bearing base are equipped with reinforcing structure.

3. A non-ferrous melting furnace as claimed in claim 2, characterized in that: Resistance mechanism includes motor (17), screw rod (18) and baffle (19), furnace body (1) lower side portion is installed with the motor (17) of output shaft downward, the output shaft of motor (17) is provided with screw rod (18), the inlet position of discharge outlet of furnace body (1) is slidably penetrated with baffle (19), the penetration of baffle (19) upper portion is connected with screw rod (18), and the protruding part of baffle (19) rear portion is protruding part, and the protruding part is slidably connected with the outside of furnace body (1).

4. A non-ferrous melting furnace as claimed in claim 3, characterized in that: Waste gas treatment mechanism includes air inlet pipe (14), fan (15) and waste gas processor (16), furnace body (1) upper portion edge position is symmetrically communicated with air inlet pipe (14) that is inserted into slurry storage chamber (7) upper portion, the rear of each air inlet pipe (14) in furnace body (1) upper portion is provided with fan (15), the exhaust end of air inlet pipe (14) is communicated with the air extraction port of corresponding fan (15), the rear of each fan (15) in furnace body (1) upper portion is installed with waste gas processor (16), the air extraction port of fan (15) is communicated with the air inlet end of waste gas processor (16).

5. A non-ferrous melting furnace as claimed in claim 4, characterized in that: It further includes temperature detector (20) and temperature measuring probe (21), temperature detector (20) is installed on the temperature-resistant cover plate (3) upper portion, and the temperature measuring probe (21) of temperature detector (20) is inserted into the top of combustion chamber.

6. A non-ferrous melting furnace as claimed in claim 5, characterized in that the electric control is The gas tank (10), the igniter (12), the combustion nozzle (13), the motor (17), the fan (15), the exhaust gas processor (16) and the temperature detector (20) are electrically connected with the controller (2).

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