A metal smelting tail gas purification device with waste heat recovery function and method thereof

Abstract

The present invention relates to the technical field of metal smelting, and in particular to a metal smelting tail gas purification device with a waste heat recovery function, which comprises a purification device, wherein the purification device comprises a purification box, a dust suction pump, a dust suction pipe, a purification tank, a water inlet and a water outlet, the dust suction pump is arranged at the bottom of the purification box, the dust suction pipe of the dust suction pipe is fixedly installed on the left side of the dust suction pump, the purification tank is opened inside the purification box, the water inlet is opened at the top of the purification box, and the water outlet is opened at the bottom of the purification box, so that when the tail gas is absorbed, the impurities inside can be filtered, and then by injecting water source, the waste heat of the tail gas is used to inject it into the water source for heating and reuse (the heated water source can be used for industrial heating, etc.), and through the coordinated use of a deodorizer and a stirring mechanism, the bubbles generated after the tail gas is injected into the water source can be broken, and the odor can be treated, and then discharged through a suction fan.

Description

Technical Field

[0001] The present invention relates to the technical field of metal smelting, and in particular to a metal smelting tail gas purification device with a waste heat recovery function and a method thereof. Background Art

[0002] Metal smelting is the process of extracting metals from their ores or compounds. This process usually involves redox reactions, in which metal oxides are reduced to metal elements by reducing agents. A large amount of high temperature is generated during the metal smelting process. These high temperatures are usually accompanied by carbon monoxide and hydrogen, which can cause considerable pollution to the environment, and can easily lead to energy waste and increase production costs.

[0003] Therefore, the present invention is specially proposed to solve the above problems;

[0004] The present invention can generate a large amount of waste heat during the metal smelting process by setting up a purification box, and use the waste heat to heat the water source, and the heated water source can be put into industrial heating. In the process of energy utilization, the odor of the exhaust gas generated during the metal smelting can also be treated and then put into the air, thereby greatly reducing environmental pollution. Summary of the invention

[0005] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0006] In view of the above-mentioned problems existing in the existing metal smelting tail gas purification device with waste heat recovery function, the present invention is proposed.

[0007] Therefore, the purpose of the present invention is to provide a metal smelting tail gas purification device with a waste heat recovery function, the purpose of which is to utilize the waste heat of metal smelting and purify the odor of the tail gas.

[0008] In order to solve the above technical problems, the present invention provides the following technical solutions: comprising a purification device, the purification device comprising a purification box, a dust suction pump, a dust suction pipe, a purification tank, a water inlet and a water outlet, the dust suction pump is arranged at the bottom of the purification box, the dust suction pipe of the dust suction pipe is fixedly installed on the left side of the dust suction pump, the purification tank is opened inside the purification box, the water inlet is opened at the top of the purification box, the water outlet is opened at the bottom of the purification box, and a stirring mechanism is arranged inside the purification tank;

[0009] The stirring mechanism has a stirring component, a flow guiding component and a turning component;

[0010] The stirring component includes a motor, a stirring rod and a stirring blade, the bottom of the motor is fixedly mounted on the top of the purification box, the top of the stirring rod is fixedly mounted on the top of the motor, and the bottom of the stirring rod penetrates into the interior of the purification tank, and the stirring blades are provided in a plurality, and the plurality of stirring blades are fixedly mounted on the surface of the stirring rod;

[0011] The flow guide component includes a storage box, two flow guide pipes, a flow guide groove, a rotating ring, a main flow hole and a supplementary flow hole. The bottom of the storage box is fixedly installed on the top of the purification box. The tops of the two flow guide pipes penetrate into the interior of the storage box. The flow guide groove is opened in the interior of the stirring rod. The outer surface of the rotating ring is rotatably connected to the inner surface of the flow guide groove. The bottoms of the two flow guide pipes penetrate into the bottom of the rotating ring. A plurality of main flow holes and supplementary flow holes are opened. A plurality of main flow holes are opened in the interior of the stirring rod, and the left and right sides of the main flow hole extend to the interior of the stirring blade. A plurality of supplementary flow holes are opened at the bottom of the stirring blade.

[0012] The flipping component includes two clamping blocks, two rotating columns, two torsion springs and a flipping plate. The front sides of the two clamping blocks are fixedly installed on the rear side of the stirring blade, the opposite sides of the two rotating columns are fixedly installed on the opposite side of the clamping blocks, the two torsion springs are sleeved on the surface of the rotating column, the left and right sides of the flipping plate are rotatably connected to the surface of the rotating column, and the opposite side of the torsion spring is fixedly installed on the opposite side of the clamping block and the flipping plate;

[0013] The surface of the dust suction pipe is provided with a knocking component and a collecting component for cleaning and collecting;

[0014] Two limiting plates are fixedly installed on the inner wall of the purification tank, and the two limiting plates are used to concentrate the bubbles.

[0015] As a preferred solution of the metal smelting exhaust gas purification device with waste heat recovery function described in the present invention, wherein: a triangular plate is fixedly installed on the front side of the stirring blade, the triangular plate is used to reduce water resistance when rotating in water, and the bottom of the stirring rod is rotatably connected to a plurality of rotating blades through a rotating shaft.

[0016] As a preferred solution of the metal smelting exhaust gas purification device with waste heat recovery function described in the present invention, the top of the dust suction pipe penetrates into the interior of the purification box, and an air gathering ring is fixedly installed on the top of the dust suction pipe, the air gathering ring is located at the bottom of the rotating blade, and the air gathering ring is used to blow air to the rotating blade.

[0017] As a preferred solution of the metal smelting exhaust gas purification device with waste heat recovery function described in the present invention, wherein: the knocking component includes a positioning block, a knocking ring and a filter screen, and there are several positioning blocks and knocking rings, and the opposite sides of several positioning blocks are fixedly installed on the inner wall of the dust suction pipe, and the opposite sides of several knocking rings are rotatably connected to the side opposite to the positioning block, the filter screen is fixedly installed inside the dust suction pipe, and the knocking ring is used to knock on the surface of the filter screen.

[0018] As a preferred solution of the metal smelting exhaust gas purification device with waste heat recovery function described in the present invention, wherein: the collecting component includes a material guide plate, a material guide pipe, a collecting box, a pull-out box and a support rod, the bottom of the material guide plate is fixedly installed inside the dust suction pipe, the top of the material guide pipe is fixedly installed inside the dust suction pipe, the collecting box is arranged at the bottom of the material guide pipe, the bottom of the material guide pipe is connected with the interior of the collecting box, and the outer surface of the pull-out box is slidably connected with the inner surface of the collecting box, the right side of the support rod is fixedly installed on the left side of the purification box, and the left side of the support rod is fixedly installed on the right side of the collecting box.

[0019] As a preferred solution of the metal smelting tail gas purification device with waste heat recovery function of the present invention, wherein: an exhaust groove is opened on the top of the purification box, and an exhaust component is arranged on the surface of the exhaust groove;

[0020] The exhaust component includes an air suction groove, an air suction fan, an air suction pipe, an adsorption box and a pulling plate. The air suction groove is opened on the inner wall of the purification tank, the air suction fan is arranged inside the air suction groove, the left side of the air suction pipe is fixedly installed on the inner wall of the exhaust groove, and the right side of the air suction pipe passes through the outside of the purification box, the outer surface of the adsorption box is fixedly installed on the inner wall of the exhaust groove, the surface of the pulling plate is slidably connected to the inner wall of the adsorption box, and the front side of the pulling plate passes through the outside of the purification box, and the surface of the pulling plate is provided with activated carbon for adsorption.

[0021] As a preferred solution of the metal smelting tail gas purification device with waste heat recovery function of the present invention, wherein: a sealing component is provided on the surface of the water outlet;

[0022] The sealing component includes a movable groove, a fixed rod and a sealing plate. The movable groove is opened at the bottom of the purification box. The opposite side of the fixed rod is fixedly installed on the inner wall of the movable groove. The surface of the sealing plate is slidably connected to the surface of the fixed rod. The sealing plate is used to seal the water outlet.

[0023] As a preferred solution of the metal smelting tail gas purification device with waste heat recovery function of the present invention, wherein: a positioning component is provided on the surface of the sealing plate;

[0024] The positioning component includes a card plate, two positioning rods, two springs and a positioning plate. The top of the card plate is fixedly installed on the bottom of the purification box. The left and right sides of the two positioning rods penetrate the left and right sides of the card plate. The left side of the positioning rod close to one end of the sealing plate penetrates into the interior of the sealing plate. The two springs are both sleeved on the surface of the positioning rod. The left side of the positioning plate is fixedly installed on the right side of the positioning rod. The two springs are both sleeved on the surface of the positioning rod, and the opposite side of the spring is fixedly installed on the side opposite to the card plate and the positioning plate.

[0025] The beneficial effects of the present invention are as follows: when the tail gas is absorbed, the impurities inside it can be filtered, and then by injecting a water source, the waste heat of the tail gas can be used to heat it and reuse it (the heated water source can be used for industrial heating, etc.), and by using a deodorizer and a stirring mechanism in combination, the bubbles generated after the tail gas is injected into the water source can be broken, and its odor can be treated and finally discharged through a suction fan.

[0026] In view of the problems existing in the above-mentioned existing metal smelting tail gas purification method with waste heat recovery function, the present invention is proposed.

[0027] Therefore, the object of the present invention is to provide a method for purifying metal smelting tail gas with a waste heat recovery function, the purpose of which is to utilize the waste heat of metal smelting and purify the odor of the tail gas.

[0028] In order to solve the above technical problems, the present invention provides the following technical solutions: the water source can first flow into the interior of the purification tank through the water inlet, and then through the operation of the dust pump, the exhaust gas can enter the interior of the purification tank through the dust pipe, and then through the use of a stirring mechanism, the exhaust gas, water source and deodorant are mixed, and the mixed exhaust gas is discharged through the exhaust component.

[0029] As a preferred solution of the metal smelting exhaust gas purification method with waste heat recovery function described in the present invention, when the exhaust gas enters the interior of the dust collection pipe, it can simultaneously drive the knocking component to knock on its filter screen, so that the impurities sucked in together will not cause the filter screen to be blocked, and then the odor of the exhaust gas is treated by using a stirring mechanism. Since the exhaust gas temperature of metal smelting is relatively high, its water source can be heated by high temperature so that the stirred exhaust gas can be discharged through the exhaust component, so that it can be adsorbed by activated carbon again during the discharge process.

[0030] The beneficial effects of the present invention are as follows: when the exhaust gas enters the interior of the purification tank, the rotating blades will be initially blown to make the rotating blades rotate and initially break the bubbles generated when the exhaust gas is injected, and then the exhaust gas, water source and deodorant will be mixed through the operation of the stirring mechanism, and the mixed exhaust gas will be discharged through the exhaust component, and then the exhaust gas that emerges from the interior of the water source will be discharged through the operation of the suction fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0032] Figure 1 This is a schematic structural diagram of the purification device provided by the present invention.

[0033] Figure 2 Schematic diagram of the striking component and the collecting component provided by the present invention.

[0034] Figure 3 This is a schematic cross-sectional view of the purification box provided by the present invention.

[0035] Figure 4 Schematic diagram of the exhaust component provided by the present invention.

[0036] Figure 5 Schematic diagram of the rotating blades and wind focusing ring provided by the present invention.

[0037] Figure 6 This is a schematic diagram of the flip component provided by the present invention.

[0038] Figure 7 Schematic diagram of the sealing component and positioning component provided by the present invention. DETAILED DESCRIPTION

[0039] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0040] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0041] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0042] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0043] Example 1

[0044] Reference Figure 3 , 5 and Figure 6 , which is the first embodiment of the present invention, provides a stirring mechanism 100. By setting the stirring mechanism 100, it can be achieved that when the tail gas is injected into the water source, the bubbles generated by it can be broken and the odor can be treated.

[0045] The stirring component 101 includes a motor 101a, a stirring rod 101b and a stirring blade 101c. The bottom of the motor 101a is fixedly mounted on the top of the purification box A1. The top of the stirring rod 101b is fixedly mounted on the top of the motor 101a, and the bottom of the stirring rod 101b penetrates into the interior of the purification tank A4. A plurality of stirring blades 101c are provided, and the plurality of stirring blades 101c are fixedly mounted on the surface of the stirring rod 101b. The flow guide component 102 includes a storage box 102a, two flow guide pipes 102b, a flow guide groove 102c, a rotating ring 102d, a main flow hole 102e and a secondary flow hole 102f. The bottom of the storage box 102a is fixedly mounted on the top of the motor 101a. The top of the two guide pipes 102b is fixedly installed on the top of the purification box A1, the tops of the two guide pipes 102b are penetrated into the interior of the storage box 102a, the guide groove 102c is opened in the interior of the stirring rod 101b, the outer surface of the rotating ring 102d is rotatably connected to the inner surface of the guide groove 102c, the bottoms of the two guide pipes 102b are penetrated to the bottom of the rotating ring 102d, and a plurality of main guide holes 102e and auxiliary guide holes 102f are opened, and the plurality of main guide holes 102e are opened in the interior of the stirring rod 101b, and the left and right sides of the main guide hole 102e extend to the interior of the stirring blade 101c, and the plurality of auxiliary guide holes 102f are opened in the stirring blade 101 c, the flip component 103 includes two blocks 103a, two rotating columns 103b, two torsion springs 103c and a flip plate 103d, the front sides of the two blocks 103a are fixedly installed on the rear side of the stirring blade 101c, the opposite sides of the two rotating columns 103b are fixedly installed with the opposite side of the block 103a, the two torsion springs 103c are sleeved on the surface of the rotating column 103b, the left and right sides of the flip plate 103d are rotatably connected with the surface of the rotating column 103b, and the opposite side of the torsion spring 103c is fixedly installed with the opposite side of the block 103a and the flip plate 103d; the surface of the dust suction pipe A3 is provided with a With the knocking component 201 and the collecting component 301; two limit plates 302 are fixedly installed on the inner wall of the purification tank A4, and the two limit plates 302 are used to concentrate the bubbles; the front side of the stirring blade 101c is fixedly installed with a triangular plate 303, and the triangular plate 303 is used to reduce the water resistance when rotating in the water, and the bottom of the stirring rod 101b is rotatably connected with a plurality of rotating blades 304 through a rotating shaft; the top of the dust suction pipe A3 passes through the interior of the purification box A1, and the top of the dust suction pipe A3 is fixedly installed with an air gathering ring 305, which is located at the bottom of the rotating blade 304, and the air gathering ring 305 is used to blow air to the rotating blade 304.

[0046] Specifically, after the water source is injected, the stirring mechanism 100 can be operated to flip the flip plate 103d by utilizing the water resistance, and then the deodorant flows out through the guiding flow hole 102f and mixes with the water source. When the stirring rod 101b is stirring, the stirring blade 101c can be used to break the bubbles generated when the exhaust gas is injected, and mix it with the water source and deodorant again to remove the odor in the exhaust gas.

[0047] Furthermore, after the water source is injected, the operation of the motor 101a can simultaneously drive the stirring rod 101b to rotate. During the rotation of the stirring rod 101b, the stirring blade 101c can be driven to rotate at the same time. Through the rotation of the stirring blade 101c, the flip plate 103d can be rotated in the water. During the rotation of the flip plate 103d, it will encounter resistance in the water and be flipped by the torsion spring 103c to allow the deodorant to flow into the water. Then, when the exhaust gas is injected into the purification tank A4, the rotating blade 304 will be blown first, and the bubbles generated when the exhaust gas is initially injected will be broken by the rotating blade 304, and then it will be mixed by stirring.

[0048] It should be noted that a deodorant is disposed inside the storage box 102a, and no foam will be produced when the deodorant is mixed with water.

[0049] Example 2

[0050] Reference Figure 1 , 2 , which is the second embodiment of the present invention, provides a knocking component 201 and a collecting component 301. By setting the knocking component 201 and the collecting component 301, the exhaust gas can be filtered and collected together with the impurities before entering the dust collection pipe A3.

[0051] The knocking component 201 includes a positioning block 201a, a knocking ring 201b and a filter 201c. There are a plurality of positioning blocks 201a and knocking rings 201b. The opposite sides of the plurality of positioning blocks 201a are fixedly mounted on the inner wall of the dust suction pipe A3. The opposite sides of the plurality of knocking rings 201b are rotatably connected to the opposite side of the positioning block 201a. The filter 201c is fixedly mounted inside the dust suction pipe A3, and the knocking ring 201b is used to knock on the surface of the filter 201c. The collecting component 301 includes a guide plate 301a, a guide pipe 301b, and a collecting box. 301c, a pull-out box 301d and a support rod 301e, the bottom of the guide plate 301a is fixedly installed inside the dust suction tube A3, the top of the guide tube 301b is fixedly installed inside the dust suction tube A3, the collecting box 301c is arranged at the bottom of the guide tube 301b, the bottom of the guide tube 301b is connected with the interior of the collecting box 301c, and the outer surface of the pull-out box 301d is slidably connected with the inner surface of the collecting box 301c, the right side of the support rod 301e is fixedly installed on the left side of the purification box A1, and the left side of the support rod 301e is fixedly installed on the right side of the collecting box 301c.

[0052] Specifically, after the exhaust gas is sucked in, the wind force can be used to drive the knocking ring 201b to rotate, so that the knocking ring 201b knocks on the filter 201c, and knocks off the impurities on the surface of the filter 201c, and then slides into the interior of the collection box 301c for collection, thereby increasing the cleanliness of the interior after the water source is heated by waste heat.

[0053] Furthermore, after the exhaust gas is sucked in, the wind force when the exhaust gas is sucked in can be used to drive the knocking ring 201b to rotate. In this way, through the rotation of the knocking ring 201b, the surface of the filter 201c can be knocked at the same time, so that the impurities on the surface of the filter 201c are knocked off, and then fall into the interior of the guide pipe 301b through the inclined mouth of the dust suction pipe A3, and then enter the interior of the collection box 301c through the interior of the guide pipe 301b for collection.

[0054] It should be noted that the material of the filter 201c is soft.

[0055] Example 3

[0056] Reference Figure 3 , 4 and Figure 7 , which is the third embodiment of the present invention, provides an exhaust component 401. By setting the exhaust component 401, it is possible to absorb and discharge the exhaust gas when it rises inside the water source.

[0057] The exhaust component 401 includes an air suction groove 401a, an air suction fan 401b, an air suction pipe 401c, an adsorption box 401d and a pulling plate 401e. The air suction groove 401a is opened on the inner wall of the purification tank A4, the air suction fan 401b is arranged inside the air suction groove 401a, the left side of the air suction pipe 401c is fixedly installed on the inner wall of the exhaust groove 306, and the right side of the air suction pipe 401c passes through the outside of the purification box A1, and the outer surface of the adsorption box 401d is fixedly installed on the outer wall of the exhaust groove 306. The surface of the pulling plate 401e is slidably connected to the inner wall of the adsorption box 401d, and the front side of the pulling plate 401e penetrates to the outside of the purification box A1, and the surface of the pulling plate 401e is provided with activated carbon for adsorption; the surface of the water outlet A6 is provided with a sealing component 501; the sealing component 501 includes a moving groove 501a, a fixing rod 501b and a sealing plate 501c, the moving groove 501a is opened at the bottom of the purification box A1, and the opposite side of the fixing rod 501b is in the moving groove. The inner wall of the sealing plate 501a is fixedly installed, the surface of the sealing plate 501c is slidably connected to the surface of the fixing rod 501b, and the sealing plate 501c is used to seal the water outlet A6; the surface of the sealing plate 501c is provided with a positioning component 601; the positioning component 601 includes a card plate 601a, two positioning rods 601b, two springs 601c and a positioning plate 601d, the top of the card plate 601a is fixedly installed on the bottom of the purification box A1, and the left and right sides of the two positioning rods 601b are It penetrates the left and right sides of the card plate 601a, and the left side of the positioning rod 601b close to the sealing plate 501c penetrates into the interior of the sealing plate 501c. The two springs 601c are both mounted on the surface of the positioning rod 601b. The left side of the positioning plate 601d is fixedly installed on the right side of the positioning rod 601b. The two springs 601c are both mounted on the surface of the positioning rod 601b, and the opposite side of the spring 601c is fixedly installed on the side opposite to the card plate 601a and the positioning plate 601d.

[0058] Specifically, when the exhaust gas emerges from the water source, it may be sucked by the suction fan 401b and then discharged to the outside of the purification box A1 through the suction pipe 401c.

[0059] Furthermore, when the exhaust gas emerges from the water source, it can be sucked into the suction pipe 401c by the suction force of the suction fan 401b, and then adsorbed at the end by the activated carbon set inside the adsorption box 401d, and finally discharged to the outside of the purification box A1 through the suction pipe 401c.

[0060] It should be noted that the pulling plate 401e can be pulled out to replace the activated carbon.

[0061] The remaining structure is the same as that of Example 2.

[0062] Example 4

[0063] Reference Figures 1 to 7 , which is the fourth embodiment of the present invention. This embodiment is different from the third embodiment in that: this embodiment provides a metal smelting exhaust gas purification device with a waste heat recovery function.

[0064] Before the exhaust gas is injected, the staff first injects water through the water inlet A5. After the water source is injected, the staff uses the controller to start the motor 101a, and the operation of the motor 101a can drive the stirring rod 101b to stir at the same time. At this time, the staff uses the dust pump A2 to absorb the exhaust gas, and in the process of exhaust gas absorption, the wind force when the exhaust gas is sucked in can be used to drive the knocking ring 201b to rotate, so that through the rotation of the knocking ring 201b, the surface of the filter 201c can be knocked at the same time, so that the impurities on the surface of the filter 201c are knocked off, and then fall into the interior of the guide pipe 301b through the oblique mouth of the dust pipe A3, and then enter the interior of the collection box 301c through the interior of the guide pipe 301b for collection, which is convenient for the staff to clean up later, and at the same time increases the cleanliness of the interior after the water source is heated by the waste heat;

[0065] After the exhaust gas is injected, the rotating blade 304 will be blown first, so that the rotating blade 304 rotates at the bottom of the stirring rod 101b by the rotating shaft, and the bubbles generated when the exhaust gas is injected can be initially broken by the rotation of the rotating blade 304, and then the stirring blade 101c can be driven to rotate by the rotation of the stirring rod 101b at the same time, and the rotation of the stirring blade 101c can make the flip plate 103d rotate in the water, and during the rotation of the flip plate 103d, it will be subject to resistance in the water, and the torsion spring 103c will be used to flip it, so that the deodorant flows into the water, and then when the exhaust gas is injected into the purification tank A4, the rotating blade 304 will be blown first, and the bubbles generated when the exhaust gas is injected will be initially broken by the rotating blade 304, and then the odor in the exhaust gas will be removed by stirring and mixing;

[0066] When the exhaust gas is mixed and floats out from the inside of the water source, due to the operation of the suction fan 401b, the exhaust gas can be absorbed when it floats from the inside of the water source to the inside of the purification tank A4, and then discharged into the inside of the suction pipe 401c, and then enters the inside of the adsorption box 401d, and at the same time, it is adsorbed by activated carbon and discharged from the end of the suction pipe 401c, which greatly reduces the pollution of the exhaust gas to the environment after being discharged;

[0067] The number of rotating blades 304 is 2, 4, 6 and 8 (from bottom to top). When the rotating blades 304 are stirring in the water, the resistance at the bottom of the water is larger, while the resistance at the top of the water is smaller. After the gas enters the water, it will be broken by the rotating blades 304 and gradually increase. Therefore, the number of rotating blades 304 is set to solve this problem.

[0068] Importantly, it should be noted that the construction and arrangement of the present application shown in a number of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible, for example, the size, scale, structure, shape and proportion of various elements, and parameter values ​​such as temperature, pressure, etc., mounting arrangements, use of materials, color, directional changes, etc., without substantially departing from the novel angles and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present invention. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of the execution function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other replacements, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to a variety of modifications that still fall within the scope of the appended claims. In addition, in order to provide a concise description of the exemplary embodiments, all features of the actual embodiments may not be described, that is, those features that are not relevant to the best mode currently considered to carry out the invention, or those features that are not relevant to implementing the invention.

[0069] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A metal smelting tail gas purification device with waste heat recovery function, characterized in that: The purification device (A) comprises a purification box (A1), a dust suction pump (A2), a dust suction pipe (A3), a purification tank (A4), a water inlet (A5) and a water outlet (A6), wherein the dust suction pump (A2) is arranged at the bottom of the purification box (A1), the dust suction pipe (A3) of the dust suction pipe (A3) is fixedly installed on the left side of the dust suction pump (A2), the purification tank (A4) is opened inside the purification box (A1), the water inlet (A5) is opened at the top of the purification box (A1), the water outlet (A6) is opened at the bottom of the purification box (A1), and a stirring mechanism (100) is arranged inside the purification tank (A4); The stirring mechanism (100) comprises a stirring component (101), a flow guiding component (102) and a turning component (103); The stirring component (101) comprises a motor (101a), a stirring rod (101b) and a stirring blade (101c); the bottom of the motor (101a) is fixedly mounted on the top of the purification box (A1); the top of the stirring rod (101b) is fixedly mounted on the top of the motor (101a); and the bottom of the stirring rod (101b) penetrates into the interior of the purification tank (A4); a plurality of stirring blades (101c) are provided, and the plurality of stirring blades (101c) are fixedly mounted on the surface of the stirring rod (101b); The flow guide component (102) comprises a storage box (102a), two flow guide pipes (102b), a flow guide groove (102c), a rotating ring (102d), a main flow hole (102e) and a secondary flow hole (102f); the bottom of the storage box (102a) is fixedly mounted on the top of the purification box (A1); the tops of the two flow guide pipes (102b) both penetrate into the interior of the storage box (102a); the flow guide groove (102c) is opened inside the stirring rod (101b); the outer surface of the rotating ring (102d) The surface is rotatably connected to the inner surface of the guide groove (102c), the bottoms of the two guide pipes (102b) are both penetrated to the bottom of the rotating ring (102d), a plurality of the main guide holes (102e) and the auxiliary guide holes (102f) are both provided, the plurality of the main guide holes (102e) are all provided inside the stirring rod (101b), and the left and right sides of the main guide holes (102e) are both extended to the inside of the stirring blade (101c), and the plurality of the auxiliary guide holes (102f) are all provided at the bottom of the stirring blade (101c); The flipping component (103) comprises two clamping blocks (103a), two rotating columns (103b), two torsion springs (103c) and a flipping plate (103d); the front sides of the two clamping blocks (103a) are fixedly mounted on the rear side of the stirring blade (101c); the opposite sides of the two rotating columns (103b) are fixedly mounted on the opposite side of the clamping blocks (103a); the two torsion springs (103c) are sleeved on the surface of the rotating columns (103b); the left and right sides of the flipping plate (103d) are rotatably connected to the surface of the rotating columns (103b); and the opposite side of the torsion spring (103c) is fixedly mounted on the opposite side of the clamping blocks (103a) and the flipping plate (103d); The surface of the dust suction pipe (A3) is provided with a knocking component (201) and a collecting component (301) for cleaning and collecting; Two limit plates (302) are fixedly mounted on the inner wall of the purification tank (A4), and the two limit plates (302) are used to concentrate the bubbles.

2. The metal smelting tail gas purification device with waste heat recovery function according to claim 1 is characterized in that: A triangular plate (303) is fixedly mounted on the front side of each stirring blade (101c), and the triangular plate (303) is used to reduce water resistance when rotating in water. The bottom of the stirring rod (101b) is rotatably connected to a plurality of rotating blades (304) via a rotating shaft.

3. A metal smelting tail gas purification device with waste heat recovery function according to claim 1 or 2, characterized in that: The top of the dust suction pipe (A3) penetrates into the interior of the purification box (A1), and an air gathering ring (305) is fixedly installed on the top of the dust suction pipe (A3). The air gathering ring (305) is located at the bottom of the rotating blade (304), and the air gathering ring (305) is used to blow air to the rotating blade (304).

4. The metal smelting tail gas purification device with waste heat recovery function according to claim 3 is characterized in that: The knocking component (201) comprises a positioning block (201a), a knocking ring (201b) and a filter (201c); a plurality of the positioning blocks (201a) and the knocking ring (201b) are provided; the opposite sides of the plurality of positioning blocks (201a) are fixedly mounted on the inner wall of the dust suction pipe (A3); the opposite sides of the plurality of knocking rings (201b) are rotatably connected to the opposite side of the positioning block (201a); the filter (201c) is fixedly mounted inside the dust suction pipe (A3); and the knocking ring (201b) is used to knock on the surface of the filter (201c).

5. The metal smelting tail gas purification device with waste heat recovery function according to claim 4 is characterized in that: The collecting component (301) comprises a material guide plate (301a), a material guide tube (301b), a collecting box (301c), a pull-out box (301d) and a support rod (301e); the bottom of the material guide plate (301a) is fixedly mounted inside the dust suction tube (A3); the top of the material guide tube (301b) is fixedly mounted inside the dust suction tube (A3); the collecting box (301c) is arranged at the bottom of the material guide tube (301b); the bottom of the material guide tube (301b) is connected to the inside of the collecting box (301c); the outer surface of the pull-out box (301d) is slidably connected to the inner surface of the collecting box (301c); the right side of the support rod (301e) is fixedly mounted on the left side of the purification box (A1); and the left side of the support rod (301e) is fixedly mounted on the right side of the collecting box (301c).

6. The metal smelting tail gas purification device with waste heat recovery function according to claim 5 is characterized by: An exhaust groove (306) is provided on the top of the purification box (A1), and an exhaust component (401) is provided on the surface of the exhaust groove (306); The exhaust component (401) comprises an air suction groove (401a), an air suction fan (401b), an air suction pipe (401c), an adsorption box (401d) and a pulling plate (401e), wherein the air suction groove (401a) is opened on the inner wall of the purification tank (A4), the air suction fan (401b) is arranged inside the air suction groove (401a), the left side of the air suction pipe (401c) is fixedly installed on the inner wall of the exhaust groove (306), and the right side of the air suction pipe (401c) passes through the outside of the purification box (A1), the outer surface of the adsorption box (401d) is fixedly installed on the inner wall of the exhaust groove (306), the surface of the pulling plate (401e) is slidably connected to the inner wall of the adsorption box (401d), and the front side of the pulling plate (401e) passes through the outside of the purification box (A1), and the surface of the pulling plate (401e) is provided with activated carbon for adsorption.

7. The metal smelting tail gas purification device with waste heat recovery function according to claim 6 is characterized by: A sealing component (501) is provided on the surface of the water outlet hole (A6); The sealing component (501) comprises a movable groove (501a), a fixed rod (501b) and a sealing plate (501c); the movable groove (501a) is opened at the bottom of the purification box (A1); the opposite side of the fixed rod (501b) is fixedly mounted on the inner wall of the movable groove (501a); the surface of the sealing plate (501c) is slidably connected to the surface of the fixed rod (501b); and the sealing plate (501c) is used to seal the water outlet (A6).

8. The metal smelting tail gas purification device with waste heat recovery function according to claim 7 is characterized by: A positioning component (601) is provided on the surface of the sealing plate (501c); The positioning component (601) comprises a card plate (601a), two positioning rods (601b), two springs (601c) and a positioning plate (601d); the top of the card plate (601a) is fixedly mounted on the bottom of the purification box (A1); the left and right sides of the two positioning rods (601b) penetrate the left and right sides of the card plate (601a); the left side of the positioning rod (601b) close to one end of the sealing plate (501c) penetrates into the interior of the sealing plate (501c); the two springs (601c) are sleeved on the surface of the positioning rod (601b); the left side of the positioning plate (601d) is fixedly mounted on the right side of the positioning rod (601b); the two springs (601c) are sleeved on the surface of the positioning rod (601b), and the opposite side of the spring (601c) is fixedly mounted to the side opposite to the card plate (601a) and the positioning plate (601d).

9. A method for purifying metal smelting tail gas with waste heat recovery function, characterized in that: A metal smelting exhaust gas purification device with a waste heat recovery function based on any one of claims 1 to 8 is implemented, comprising a stirring mechanism (100), which first allows its water source to flow into the interior of a purification tank (A4) through a water inlet (A5), and then, through the operation of a dust suction pump (A2), allows its exhaust gas to enter the interior of the purification tank (A4) through a dust suction pipe (A3), and then, through the use of the stirring mechanism (100), the exhaust gas, water source and deodorant are mixed, and the mixed exhaust gas is discharged through an exhaust component (401).

10. The method for purifying metal smelting tail gas with waste heat recovery function according to claim 9, characterized in that: When the exhaust gas enters the interior of the dust suction pipe (A3), the knocking component (201) is simultaneously driven to knock the filter (201c) thereof, so that impurities sucked therein will not cause clogging of the filter (201c). Then, the odor of the exhaust gas is treated by using the stirring mechanism (100). Since the exhaust gas from metal smelting has a high temperature, the water source is heated by high temperature so that the stirred exhaust gas is discharged through the exhaust component (401), and is adsorbed by the activated carbon again during the discharge process.

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