CN115031544A

CN115031544A - Waste heat recovery device of non-ferrous metal smelting furnace

Info

Publication number: CN115031544A
Application number: CN202210685952.6A
Authority: CN
Inventors: 赵晓琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-09-09

Abstract

The invention discloses a waste heat recovery device of a non-ferrous metal smelting furnace, which relates to the technical field of energy-saving and environment-friendly devices and comprises a waste gas recovery box and a heat recovery box, wherein the lower surface of the heat recovery box is fixedly connected with the upper surface of the waste gas recovery box, and a guide-in assembly and an air outlet pipe are respectively arranged on two sides of the waste gas recovery box. According to the invention, through the matching of the water washing tank, the delivery pipe, the liquid washing tank, the liquid guide pipe, the exhaust pipe, the blow-off pipe, the adsorption component and the re-adsorption component, the waste gas after heat recovery in the waste gas recovery tank is delivered out through the gas outlet pipe and enters the water washing tank for water washing to remove dust particles and the like carried in the waste gas, the washed waste gas is introduced into the liquid washing tank through the delivery pipe, the reaction solution is introduced through the liquid guide pipe and fully reacts with the waste gas introduced through the delivery pipe, and the toxic components carried in the waste gas are fully absorbed through the adsorption component arranged in the liquid washing tank.

Description

Waste heat recovery device of non-ferrous metal smelting furnace

Technical Field

The invention relates to a waste heat recovery device, relates to the technical field of energy-saving and environment-friendly devices, and particularly relates to a waste heat recovery device of a non-ferrous metal smelting furnace.

Background

Non-ferrous metal smelting, a process for producing non-ferrous metals or their compounds by separating associated elements from ores, concentrates, secondary resources or other materials. High-temperature flue gas generated in the non-ferrous metal smelting process is usually directly discharged, and the discharged waste gas can reach the high temperature of about 600 ℃, so that a large amount of heat is lost in the waste gas treatment process, and the energy waste is caused.

The following problems exist in the prior art:

1. the existing waste heat recovery device of the non-ferrous metal smelting furnace does not have the capability of treating waste gas in the using process, so that the problem of environmental pollution is caused;

2. the waste heat recovery device of the existing non-ferrous metal smelting furnace has the problem of low heat recovery efficiency due to the fact that the heat recovery device is simple in the using process.

Disclosure of Invention

The invention provides a waste heat recovery device of a non-ferrous metal smelting furnace, which aims to solve the problems in the background technology.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the utility model provides a waste heat recovery device of non ferrous metal smelting pot, includes waste gas recovery case and heat recovery case, the lower surface of heat recovery case and the last fixed surface of waste gas recovery case are connected, the both sides of waste gas recovery case are provided with leading-in subassembly and outlet duct respectively, fixedly connected with inlet tube and steam delivery pipe on the surface of heat recovery case, one side of waste gas recovery case is provided with exhaust-gas treatment mechanism, the inside of waste gas recovery case, heat recovery case is provided with heat recovery mechanism, exhaust-gas treatment mechanism is including washing case, the upper surface of washing case and the one end fixed connection of outlet duct, one side of washing case is provided with liquid washing case, adsorption component and re-adsorption component, heat recovery mechanism is including the heat conduction post, the one end of heat conduction post and the inner wall fixed connection of waste gas recovery case, the one end surface and the waste gas recovery case of heat conduction post, The inner wall swing joint of heat recovery case, one side of heat conduction post is provided with heat conduction board, graphite heat transfer board, heat transfer groove, dwang, rotation fan and light stirring rod.

The technical scheme of the invention is further improved as follows: fixedly connected with contact tube on the surface of washing case, the surface of liquid washing case and the one end fixed connection of contact tube, fixedly connected with catheter, blast pipe and blow off pipe on the surface of liquid washing case, adsorption component sets up in the inside of liquid washing case, the component that adsorbs again sets up in the inside of blast pipe, through washing case, contact tube, liquid washing case, catheter, blast pipe, blow off pipe, adsorption component and the cooperation between the component that adsorbs again for the toxic composition that carries in the waste gas is fully absorbed, avoids the contaminated problem of environment.

The technical scheme of the invention is further improved as follows: adsorption component is including giving vent to anger the groove, give vent to anger the groove and set up on the surface of contact tube, fixedly connected with drain post and support on the inner wall of liquid washing case through the cooperation between giving vent to anger groove, drain post and the support for waste gas is derived in the inside of liquid washing case.

The technical scheme of the invention is further improved as follows: the one end fixedly connected with water striking piece of support, fixedly connected with stay cord on the surface of support, the soft collision ball of one end fixedly connected with of stay cord for waste gas and reaction absorption liquid fully contact through the cooperation between water striking piece, stay cord and the soft collision ball.

The technical scheme of the invention is further improved as follows: the re-adsorption component comprises an adsorption sleeve plate, the outer surface of the adsorption sleeve plate is movably connected with the inner wall of the exhaust pipe, a nano ceramic adsorption plate and an active carbon adsorption plate are fixedly connected onto the inner wall of the adsorption sleeve plate, a fixed hook is fixedly connected onto the outer surface of the adsorption sleeve plate, the outer surface of the fixed hook is movably connected with the inner wall of the exhaust pipe, and the adsorption sleeve plate, the nano ceramic adsorption plate, the active carbon adsorption plate and the fixed hook are matched with each other to perform adsorption treatment on the exhaust gas after the adsorption treatment again.

The technical scheme of the invention is further improved as follows: fixed connection has the soft surface to enlarge the piece on soft collision ball's the surface, swing joint has the folding rod on soft collision ball's the inner wall, the one end swing joint of folding rod has the connection ball, the inboard fixedly connected with spring of folding rod enlarges the cooperation between piece, folding rod, spring and the connection ball through soft surface for the collision of soft collision ball each other can keep normal, can ensure the area of contact between waste gas and the reaction liquid, makes the poisonous and harmful composition in the waste gas can be fully absorbed.

The technical scheme of the invention is further improved as follows: the outer surface of one end of the heat conduction plate is fixedly connected with the outer surface of the heat conduction column, one side of the graphite heat exchange plate is fixedly connected with the outer surface of the heat conduction column, the heat exchange groove is formed in the outer surface of the graphite heat exchange plate, and heat carried by waste gas is led out through the cooperation among the heat conduction column, the heat conduction plate, the graphite heat exchange plate and the heat exchange groove.

The technical scheme of the invention is further improved as follows: the both ends of dwang respectively with waste gas recovery case, heat recovery case's inner wall swing joint, the outer fixed surface of one side and the dwang of rotation fan is connected, the one end of light stirring pole and the outer fixed surface of dwang are connected, through the cooperation between dwang, rotation fan and the light stirring pole, stir the heat transfer water.

Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:

1. the invention provides a waste heat recovery device of a non-ferrous metal smelting furnace, which adopts the matching among a water washing box, a delivery pipe, a liquid washing box, a liquid guide pipe, an exhaust pipe, a blow-off pipe, an adsorption component and a re-adsorption component, wherein waste gas after heat recovery in a waste gas recovery box is delivered out through an outlet pipe and enters the water washing box for water washing to remove dust particles and the like carried in the waste gas, the washed waste gas is introduced into the liquid washing box through the delivery pipe, reaction solution is introduced through the liquid guide pipe and fully reacts with the waste gas introduced through the delivery pipe, toxic components carried in the waste gas are fully absorbed through the adsorption component arranged in the liquid washing box, the gas which is fully absorbed is delivered out after being adsorbed again through the re-adsorption component arranged in the exhaust pipe, and absorption liquid is discharged through the blow-off pipe, so that the problem of environmental pollution is avoided.

2. The invention provides a waste heat recovery device of a non-ferrous metal smelting furnace, which adopts the matching among an air outlet groove, a liquid guide column, a bracket, a water impact block, a pull rope, a soft impact ball, an adsorption sleeve plate, a nano ceramic adsorption plate, an active carbon adsorption plate and a fixed hook, one end of a guide pipe extends to the inside of a liquid washing box and is guided out through the air outlet groove, reaction solution guided in by a liquid guide pipe is impacted with the water impact block, so that the reaction solution is fully dispersed and fully contacted with waste gas, and simultaneously, the soft impact ball moves along the bracket through the matching of the pull rope under the action of the reaction solution flowing down and flowing waste gas, so that the soft impact balls are impacted to a certain degree, the contact area between the reaction solution and the waste gas is increased, toxic components in the waste gas are fully reacted and absorbed, the direct discharge is avoided, and the environmental pollution problem is caused, waste gas after reaction absorption is through adsorbing the absorption once more of the inside nanometer ceramic adsorption plate and the active carbon adsorption plate that sets up of lagging for waste gas is by further processing totally, and the gas after the processing is then discharged through the one side of adsorbing the lagging, and through the setting of fixed couple, is convenient for to the arrangement and the change of adsorbing the lagging.

3. The invention provides a waste heat recovery device of a non-ferrous metal smelting furnace, which adopts the matching among a heat conduction column, a heat conduction plate, a graphite heat exchange plate, a heat exchange groove, a rotating rod, a rotating fan and a light stirring rod, firstly high-temperature waste gas is led into a waste gas recovery box through a leading-in component, the heat carried by the waste gas is led out to the interior of the heat recovery box through the heat-conducting columns and the heat-conducting plate, and then heat-exchanging water is led in through the water inlet pipe, through the action of the graphite heat exchange plate and the heat exchange groove, the heat exchange plate and the heat exchange water carry out rapid heat exchange, so that the heat exchange water is heated, a large amount of water vapor is generated and is led out through the steam leading-out pipe, is used in the subsequent production process, and the flowing waste gas can drive the rotating fan and the rotating rod to rotate and drive the light stirring rod to rotate together, the heat exchange water in the water inlet pipe is stirred, the heat absorption evaporation process of the heat exchange water is accelerated, and the heat recovery efficiency of the device is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of a structural wash tank and adsorption assembly of the present invention;

FIG. 3 is an enlarged schematic view of the present invention at configuration A;

FIG. 4 is a schematic cross-sectional view of a structurally soft collision ball of the present invention;

FIG. 5 is a schematic cross-sectional view of a structural heat recovery mechanism of the present invention;

fig. 6 is a schematic cross-sectional view of a structural graphite heat exchange plate and heat exchange channel of the present invention.

In the figure: 1. a waste gas recovery tank; 11. importing a component; 12. an air outlet pipe; 2. a heat recovery tank; 21. a water inlet pipe; 22. a vapor delivery pipe;

3. an exhaust gas treatment mechanism; 31. a water washing tank; 32. a delivery pipe; 33. washing the tank with liquid; 34. a catheter; 35. an exhaust pipe; 36. a blow-off pipe; 37. an adsorption component; 371. an air outlet groove; 372. a liquid guiding column; 373. a support; 374. a water impact block; 375. pulling a rope; 376. a soft collision ball; 3761. a soft surface enlarging block; 3762. a folding bar; 3763. a spring; 3764. a connecting ball; 38. re-adsorbing the component; 381. adsorbing the sheathing board; 382. a nano-ceramic adsorption plate; 383. an activated carbon adsorption plate; 384. fixing the hook;

4. a heat recovery mechanism; 41. a heat-conducting column; 42. a heat conductive plate; 43. a graphite heat exchange plate; 44. a heat exchange tank; 45. rotating the rod; 46. rotating the fan; 47. a light stirring rod.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in figures 1-6, the invention provides a waste heat recovery device of a non-ferrous metal smelting furnace, which comprises a waste gas recovery box 1 and a heat recovery box 2, wherein the lower surface of the heat recovery box 2 is fixedly connected with the upper surface of the waste gas recovery box 1, both sides of the waste gas recovery box 1 are respectively provided with a leading-in component 11 and an air outlet pipe 12, the outer surface of the heat recovery box 2 is fixedly connected with a water inlet pipe 21 and a steam leading-out pipe 22, one side of the waste gas recovery box 1 is provided with a waste gas treatment mechanism 3, the interiors of the waste gas recovery box 1 and the heat recovery box 2 are provided with a heat recovery mechanism 4, the waste gas treatment mechanism 3 comprises a water washing box 31, the upper surface of the water washing box 31 is fixedly connected with one end of the air outlet pipe 12, one side of the water washing box 31 is provided with a liquid washing box 33, an adsorption component 37 and a re-adsorption component 38, the heat recovery mechanism 4 comprises a heat conduction column 41, one end of the heat conduction column 41 is fixedly connected with the inner wall of the waste gas recovery box 1, the outer surface of one end of a heat conduction column 41 is movably connected with the inner walls of the waste gas recovery box 1 and the heat recovery box 2, a heat conduction plate 42, a graphite heat exchange plate 43, a heat exchange groove 44, a rotating rod 45, a rotating fan 46 and a light stirring rod 47 are arranged on one side of the heat conduction column 41, a delivery pipe 32 is fixedly connected onto the outer surface of the washing box 31, the outer surface of the washing box 33 is fixedly connected with one end of the delivery pipe 32, a liquid guide pipe 34, an exhaust pipe 35 and a sewage discharge pipe 36 are fixedly connected onto the outer surface of the washing box 33, an adsorption component 37 is arranged inside the washing box 33, and a re-adsorption component 38 is arranged inside the exhaust pipe 35.

In this embodiment, waste gas after the heat recovery in waste gas recovery case 1 is derived through outlet duct 12, enter into washing case 31, wash, get rid of the dust particulate matter that carries in the waste gas etc., the leading-in to liquid washing case 33 of waste gas after rethread contact tube 32 will wash, through the leading-in reaction solution of catheter 34, fully react with the leading-in waste gas of contact tube 32, through the inside adsorption component 37 that sets up of liquid washing case 33, make the toxic composition who carries in the waste gas fully absorbed, derive after the complete gas of absorption process adsorbs the processing once more through the inside absorption component 38 that sets up of blast pipe 35, the absorption liquid is discharged through blow off pipe 36, avoid the contaminated problem of environment.

Example 2

As shown in fig. 1 to 6, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the adsorption component 37 includes an air outlet groove 371, the air outlet groove 371 is opened on the outer surface of the delivery pipe 32, a liquid guide column 372 and a support 373 are fixedly connected to the inner wall of the liquid washing tank 33, a water impact block 374 is fixedly connected to one end of the support 373, a pull rope 375 is fixedly connected to the outer surface of the support 373, a soft impact ball 376 is fixedly connected to one end of the pull rope 375, the re-adsorption component 38 includes an adsorption sleeve plate 381, the outer surface of the adsorption sleeve plate 381 is movably connected to the inner wall of the exhaust pipe 35, a nano ceramic adsorption plate 382 and an active carbon adsorption plate 383 are fixedly connected to the inner wall of the adsorption sleeve plate 381, a fixed hook 384 is fixedly connected to the outer surface of the adsorption sleeve plate 381, and the outer surface of the fixed hook 384 is movably connected to the inner wall of the exhaust pipe 35.

In this embodiment, one end of the delivery pipe 32 extends into the liquid washing tank 33 and is guided out through the gas outlet groove 371, the reaction solution introduced by the liquid guide tube 34 collides with the water collision block 374, so that the reaction solution is fully dispersed and fully contacts with the exhaust gas, meanwhile, the soft collision ball 376 moves along the bracket 373 through the cooperation of the pull rope 375 under the action of the flowing reaction solution and the flowing exhaust gas, so that the soft collision ball 376 collides with each other to a certain extent, the contact area between the reaction solution and the exhaust gas is increased, so that the toxic and harmful components in the exhaust gas are fully reacted and absorbed, the direct emission and the pollution to the environment are avoided, the exhaust gas after reaction absorption is re-adsorbed by the nano ceramic adsorption plate 382 and the activated adsorption carbon plate 383 arranged inside the adsorption sleeve plate 381, so that the exhaust gas is further treated and cleaned, and the treated gas is discharged through one side of the adsorption sleeve plate 381, and the installation and the replacement of the absorption sleeve plate 381 are facilitated by the arrangement of the fixing hook 384.

Example 3

As shown in fig. 1 to 6, on the basis of embodiment 1, the present invention provides a technical solution: preferably, a soft surface enlarging block 3761 is fixedly connected to an outer surface of the soft collision ball 376, a folding bar 3762 is movably connected to an inner wall of the soft collision ball 376, a connection ball 3764 is movably connected to one end of the folding bar 3762, and a spring 3763 is fixedly connected to an inner side of the folding bar 3762.

In this embodiment, when the soft collision balls 376 collide with each other and generate a certain elastic deformation, first, the soft surface expansion block 3761 is connected to the ground by collision, so as to increase the contact area between the exhaust gas and the reaction liquid, and simultaneously extrude the folding rod 3762, so that the folding rod 3762 is extruded, folded or stretched, so that the spring 3763 is stretched or compressed at the same time, and generate elastic deformation, the structure having the elastic deformation has the characteristic of restoring the deformation trend, so that the collision between the soft collision balls 376 can be kept normal, that is, the contact area between the exhaust gas and the reaction liquid can be ensured, and the toxic and harmful components in the exhaust gas can be fully absorbed.

Example 4

As shown in fig. 1 to 6, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the outer surface of one end of the heat conduction plate 42 is fixedly connected with the outer surface of the heat conduction column 41, one side of the graphite heat exchange plate 43 is fixedly connected with the outer surface of the heat conduction column 41, the heat exchange groove 44 is formed in the outer surface of the graphite heat exchange plate 43, two ends of the rotating rod 45 are respectively movably connected with the inner walls of the waste gas recovery tank 1 and the heat recovery tank 2, one side of the rotating fan 46 is fixedly connected with the outer surface of the rotating rod 45, and one end of the light stirring rod 47 is fixedly connected with the outer surface of the rotating rod 45.

In this embodiment, at first high temperature waste gas is leading-in to waste gas recovery case 1 through leading-in subassembly 11, derive the heat that waste gas carried to the inside of heat recovery case 2 through heat conduction post 41 and heat conduction board 42, the hot water of trading is led into to rethread inlet tube 21, effect through graphite heat transfer board 43 and heat transfer groove 44, carry out quick heat exchange with the hot water of trading, make the hot water of trading heated, produce a large amount of vapor and lead out through steam contact tube 22, be used for subsequent production process, it can drive rotating fan 46 and dwang 45 and take place to rotate to flow waste gas simultaneously, it rotates together to drive light stirring rod 47, stir the inside hot water of inlet tube 21, accelerate the hydrothermal endothermic evaporation process of trading, the heat recovery efficiency of the improvement device.

The working principle of the waste heat recovery device of the non-ferrous metal smelting furnace is described in detail below.

As shown in fig. 1-6, the exhaust gas after heat recovery in the exhaust gas recovery tank 1 is led out through the outlet pipe 12, enters the water washing tank 31, is washed to remove dust particles and the like carried in the exhaust gas, and then the washed exhaust gas is led into the liquid washing tank 33 through the outlet pipe 32, and is led into a reaction solution through the liquid guide pipe 34, and fully reacts with the exhaust gas led in by the outlet pipe 32, and passes through the adsorption component 37 arranged inside the liquid washing tank 33, so that toxic components carried in the exhaust gas are fully absorbed, and the gas fully absorbed is led out after being adsorbed again by the re-adsorption component 38 arranged inside the exhaust pipe 35, and the absorption liquid is discharged through the drain pipe 36, and firstly the high-temperature exhaust gas is led into the exhaust gas recovery tank 1 through the lead-in component 11, and the heat carried by the exhaust gas is led out to the inside the heat recovery tank 2 through the heat conduction column 41 and the heat conduction plate 42, and then the heat exchange water is led in through the water inlet pipe 21, through the effect of graphite heat transfer board 43 and heat transfer groove 44, carry out quick heat exchange with the heat transfer water for the heat transfer water is heated, produces a large amount of vapor and exports through steam eduction tube 22, is used for subsequent production process, and the waste gas that flows simultaneously can drive rotating fan 46 and dwang 45 and take place to rotate, drives light stirring rod 47 and rotates together, stirs the inside heat transfer water of inlet tube 21.

The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, it is possible to modify or improve the optical characteristics of the optical fiber without departing from the spirit of the present invention.

Claims

1. The utility model provides a waste heat recovery device of non ferrous metal smelting pot, includes waste gas recovery case (1) and heat recovery case (2), the lower surface of heat recovery case (2) is connected with the last fixed surface of waste gas recovery case (1), the both sides of waste gas recovery case (1) are provided with leading-in subassembly (11) and outlet duct (12) respectively, fixedly connected with inlet tube (21) and steam delivery pipe (22), its characterized in that on the surface of heat recovery case (2): one side of waste gas recovery case (1) is provided with exhaust-gas treatment mechanism (3), the inside of waste gas recovery case (1), heat recovery case (2) is provided with heat recovery mechanism (4), waste-gas treatment mechanism (3) are including washing case (31), the upper surface of washing case (31) and the one end fixed connection of outlet duct (12), one side of washing case (31) is provided with liquid and washes case (33), adsorption component (37) and reabsorption component (38), heat recovery mechanism (4) are including heat conduction post (41), the one end of heat conduction post (41) and the inner wall fixed connection of waste gas recovery case (1), the one end surface of heat conduction post (41) and the inner wall swing joint of waste gas recovery case (1), heat recovery case (2), one side of heat conduction post (41) is provided with heat conduction board (42), graphite heat transfer board (43), A heat exchange groove (44), a rotating rod (45), a rotating fan (46) and a light stirring rod (47).

2. The waste heat recovery device of a non-ferrous metal smelting furnace according to claim 1, characterized in that: fixedly connected with contact tube (32) on the surface of washing case (31), the surface of washing case (33) and the one end fixed connection of contact tube (32), fixedly connected with catheter (34), blast pipe (35) and blow off pipe (36) on the surface of washing case (33), adsorption component (37) set up in the inside of washing case (33), adsorption component (38) set up in the inside of blast pipe (35) again.

3. The waste heat recovery device of a non-ferrous metal smelting furnace according to claim 1, characterized in that: adsorption element (37) is including going out gas groove (371), go out gas groove (371) and offer on the surface of contact tube (32), fixedly connected with drain column (372) and support (373) on the inner wall of liquid washing case (33).

4. The waste heat recovery device of a non-ferrous metal smelting furnace according to claim 3, characterized in that: one end of the support (373) is fixedly connected with a water impact block (374), the outer surface of the support (373) is fixedly connected with a pull rope (375), and one end of the pull rope (375) is fixedly connected with a soft impact ball (376).

5. The waste heat recovery device of a non-ferrous metal smelting furnace according to claim 1, characterized in that: adsorb subassembly (38) again including adsorbing lagging (381), the outer surface of adsorbing lagging (381) and the inner wall swing joint of blast pipe (35), fixedly connected with nanometer ceramic adsorption plate (382) and active carbon adsorption plate (383) on the inner wall of adsorbing lagging (381), fixedly connected with fixed couple (384) on the outer surface of adsorbing lagging (381), the outer surface of fixed couple (384) and the inner wall swing joint of blast pipe (35).

6. The waste heat recovery device of a non-ferrous metal smelting furnace according to claim 4, characterized in that: the soft collision ball (376) is characterized in that a soft surface expansion block (3761) is fixedly connected to the outer surface of the soft collision ball (376), a folding rod (3762) is movably connected to the inner wall of the soft collision ball (376), a connecting ball (3764) is movably connected to one end of the folding rod (3762), and a spring (3763) is fixedly connected to the inner side of the folding rod (3762).

7. The waste heat recovery device of a non-ferrous metal smelting furnace according to claim 1, characterized in that: the outer surface of one end of the heat conduction plate (42) is fixedly connected with the outer surface of the heat conduction column (41), one side of the graphite heat exchange plate (43) is fixedly connected with the outer surface of the heat conduction column (41), and the heat exchange groove (44) is formed in the outer surface of the graphite heat exchange plate (43).

8. The waste heat recovery device of a non-ferrous metal smelting furnace according to claim 1, characterized in that: the both ends of dwang (45) respectively with the inner wall swing joint of waste gas recovery case (1), heat recovery case (2), the outer fixed surface of one side and dwang (45) of rotation fan (46) is connected, the outer fixed surface of one end and dwang (45) of light stirring pole (47) is connected.